/*
 * Copyright 2013 Henri Verbeet for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"
#include "wine/port.h"
#include "wined3d_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(d3d);
WINE_DECLARE_DEBUG_CHANNEL(d3d_sync);
WINE_DECLARE_DEBUG_CHANNEL(fps);

#define WINED3D_INITIAL_CS_SIZE 4096

struct wined3d_deferred_upload
{
    struct wined3d_resource *resource;
    unsigned int sub_resource_idx;
    uint8_t *sysmem;
    struct wined3d_box box;
    uint32_t upload_flags;
};

struct wined3d_deferred_query_issue
{
    struct wined3d_query *query;
    unsigned int flags;
};

struct wined3d_command_list
{
    LONG refcount;

    struct wined3d_device *device;

    SIZE_T data_size;
    void *data;

    SIZE_T resource_count;
    struct wined3d_resource **resources;

    SIZE_T upload_count;
    struct wined3d_deferred_upload *uploads;

    /* List of command lists queued for execution on this command list. We might
     * be the only thing holding a pointer to another command list, so we need
     * to hold a reference here (and in wined3d_deferred_context) as well. */
    SIZE_T command_list_count;
    struct wined3d_command_list **command_lists;

    SIZE_T query_count;
    struct wined3d_deferred_query_issue *queries;
};

static void wined3d_command_list_destroy_object(void *object)
{
    struct wined3d_command_list *list = object;
    SIZE_T i;

    TRACE("list %p.\n", list);

    for (i = 0; i < list->upload_count; ++i)
        heap_free(list->uploads[i].sysmem);

    heap_free(list);
}

ULONG CDECL wined3d_command_list_incref(struct wined3d_command_list *list)
{
    ULONG refcount = InterlockedIncrement(&list->refcount);

    TRACE("%p increasing refcount to %u.\n", list, refcount);

    return refcount;
}

ULONG CDECL wined3d_command_list_decref(struct wined3d_command_list *list)
{
    ULONG refcount = InterlockedDecrement(&list->refcount);
    struct wined3d_device *device = list->device;

    TRACE("%p decreasing refcount to %u.\n", list, refcount);

    if (!refcount)
    {
        SIZE_T i;

        for (i = 0; i < list->command_list_count; ++i)
            wined3d_command_list_decref(list->command_lists[i]);
        for (i = 0; i < list->resource_count; ++i)
            wined3d_resource_decref(list->resources[i]);
        for (i = 0; i < list->upload_count; ++i)
            wined3d_resource_decref(list->uploads[i].resource);
        for (i = 0; i < list->query_count; ++i)
            wined3d_query_decref(list->queries[i].query);

        wined3d_mutex_lock();
        wined3d_cs_destroy_object(device->cs, wined3d_command_list_destroy_object, list);
        wined3d_mutex_unlock();
    }

    return refcount;
}

static void invalidate_client_address(struct wined3d_resource *resource)
{
    struct wined3d_client_resource *client = &resource->client;

    memset(&client->addr, 0, sizeof(client->addr));
}

enum wined3d_cs_op
{
    WINED3D_CS_OP_NOP,
    WINED3D_CS_OP_PRESENT,
    WINED3D_CS_OP_CLEAR,
    WINED3D_CS_OP_DISPATCH,
    WINED3D_CS_OP_DRAW,
    WINED3D_CS_OP_FLUSH,
    WINED3D_CS_OP_SET_PREDICATION,
    WINED3D_CS_OP_SET_VIEWPORTS,
    WINED3D_CS_OP_SET_SCISSOR_RECTS,
    WINED3D_CS_OP_SET_RENDERTARGET_VIEWS,
    WINED3D_CS_OP_SET_DEPTH_STENCIL_VIEW,
    WINED3D_CS_OP_SET_VERTEX_DECLARATION,
    WINED3D_CS_OP_SET_STREAM_SOURCES,
    WINED3D_CS_OP_SET_STREAM_OUTPUTS,
    WINED3D_CS_OP_SET_INDEX_BUFFER,
    WINED3D_CS_OP_SET_CONSTANT_BUFFERS,
    WINED3D_CS_OP_SET_TEXTURE,
    WINED3D_CS_OP_SET_SHADER_RESOURCE_VIEWS,
    WINED3D_CS_OP_SET_UNORDERED_ACCESS_VIEWS,
    WINED3D_CS_OP_SET_SAMPLERS,
    WINED3D_CS_OP_SET_SHADER,
    WINED3D_CS_OP_SET_BLEND_STATE,
    WINED3D_CS_OP_SET_DEPTH_STENCIL_STATE,
    WINED3D_CS_OP_SET_RASTERIZER_STATE,
    WINED3D_CS_OP_SET_RENDER_STATE,
    WINED3D_CS_OP_SET_TEXTURE_STATE,
    WINED3D_CS_OP_SET_SAMPLER_STATE,
    WINED3D_CS_OP_SET_TRANSFORM,
    WINED3D_CS_OP_SET_CLIP_PLANE,
    WINED3D_CS_OP_SET_COLOR_KEY,
    WINED3D_CS_OP_SET_MATERIAL,
    WINED3D_CS_OP_SET_LIGHT,
    WINED3D_CS_OP_SET_LIGHT_ENABLE,
    WINED3D_CS_OP_SET_FEATURE_LEVEL,
    WINED3D_CS_OP_PUSH_CONSTANTS,
    WINED3D_CS_OP_RESET_STATE,
    WINED3D_CS_OP_CALLBACK,
    WINED3D_CS_OP_QUERY_ISSUE,
    WINED3D_CS_OP_PRELOAD_RESOURCE,
    WINED3D_CS_OP_UNLOAD_RESOURCE,
    WINED3D_CS_OP_MAP,
    WINED3D_CS_OP_UNMAP,
    WINED3D_CS_OP_BLT_SUB_RESOURCE,
    WINED3D_CS_OP_UPDATE_SUB_RESOURCE,
    WINED3D_CS_OP_ADD_DIRTY_TEXTURE_REGION,
    WINED3D_CS_OP_CLEAR_UNORDERED_ACCESS_VIEW,
    WINED3D_CS_OP_COPY_UAV_COUNTER,
    WINED3D_CS_OP_GENERATE_MIPMAPS,
    WINED3D_CS_OP_EXECUTE_COMMAND_LIST,
    WINED3D_CS_OP_STOP,
};

struct wined3d_cs_packet
{
    size_t size;
    BYTE data[1];
};

struct wined3d_cs_nop
{
    enum wined3d_cs_op opcode;
};

struct wined3d_cs_present
{
    enum wined3d_cs_op opcode;
    HWND dst_window_override;
    struct wined3d_swapchain *swapchain;
    RECT src_rect;
    RECT dst_rect;
    unsigned int swap_interval;
    DWORD flags;
};

struct wined3d_cs_clear
{
    enum wined3d_cs_op opcode;
    DWORD flags;
    unsigned int rt_count;
    struct wined3d_fb_state fb;
    RECT draw_rect;
    struct wined3d_color color;
    float depth;
    DWORD stencil;
    unsigned int rect_count;
    RECT rects[1];
};

struct wined3d_cs_dispatch
{
    enum wined3d_cs_op opcode;
    struct wined3d_dispatch_parameters parameters;
};

struct wined3d_cs_draw
{
    enum wined3d_cs_op opcode;
    enum wined3d_primitive_type primitive_type;
    GLint patch_vertex_count;
    struct wined3d_draw_parameters parameters;
};

struct wined3d_cs_flush
{
    enum wined3d_cs_op opcode;
};

struct wined3d_cs_set_predication
{
    enum wined3d_cs_op opcode;
    struct wined3d_query *predicate;
    BOOL value;
};

struct wined3d_cs_set_viewports
{
    enum wined3d_cs_op opcode;
    unsigned int viewport_count;
    struct wined3d_viewport viewports[1];
};

struct wined3d_cs_set_scissor_rects
{
    enum wined3d_cs_op opcode;
    unsigned int rect_count;
    RECT rects[1];
};

struct wined3d_cs_set_rendertarget_views
{
    enum wined3d_cs_op opcode;
    unsigned int start_idx;
    unsigned int count;
    struct wined3d_rendertarget_view *views[1];
};

struct wined3d_cs_set_depth_stencil_view
{
    enum wined3d_cs_op opcode;
    struct wined3d_rendertarget_view *view;
};

struct wined3d_cs_set_vertex_declaration
{
    enum wined3d_cs_op opcode;
    struct wined3d_vertex_declaration *declaration;
};

struct wined3d_cs_set_stream_sources
{
    enum wined3d_cs_op opcode;
    unsigned int start_idx;
    unsigned int count;
    struct wined3d_stream_state streams[1];
};

struct wined3d_cs_set_stream_outputs
{
    enum wined3d_cs_op opcode;
    struct wined3d_stream_output outputs[WINED3D_MAX_STREAM_OUTPUT_BUFFERS];
};

struct wined3d_cs_set_index_buffer
{
    enum wined3d_cs_op opcode;
    struct wined3d_buffer *buffer;
    enum wined3d_format_id format_id;
    unsigned int offset;
};

struct wined3d_cs_set_constant_buffers
{
    enum wined3d_cs_op opcode;
    enum wined3d_shader_type type;
    unsigned int start_idx;
    unsigned int count;
    struct wined3d_constant_buffer_state buffers[1];
};

struct wined3d_cs_set_texture
{
    enum wined3d_cs_op opcode;
    UINT stage;
    struct wined3d_texture *texture;
};

struct wined3d_cs_set_color_key
{
    enum wined3d_cs_op opcode;
    struct wined3d_texture *texture;
    WORD flags;
    WORD set;
    struct wined3d_color_key color_key;
};

struct wined3d_cs_set_shader_resource_views
{
    enum wined3d_cs_op opcode;
    enum wined3d_shader_type type;
    unsigned int start_idx;
    unsigned int count;
    struct wined3d_shader_resource_view *views[1];
};

struct wined3d_cs_set_unordered_access_views
{
    enum wined3d_cs_op opcode;
    enum wined3d_pipeline pipeline;
    unsigned int start_idx;
    unsigned int count;
    struct
    {
        struct wined3d_unordered_access_view *view;
        unsigned int initial_count;
    } uavs[1];
};

struct wined3d_cs_set_samplers
{
    enum wined3d_cs_op opcode;
    enum wined3d_shader_type type;
    unsigned int start_idx;
    unsigned int count;
    struct wined3d_sampler *samplers[1];
};

struct wined3d_cs_set_shader
{
    enum wined3d_cs_op opcode;
    enum wined3d_shader_type type;
    struct wined3d_shader *shader;
};

struct wined3d_cs_set_blend_state
{
    enum wined3d_cs_op opcode;
    struct wined3d_blend_state *state;
    struct wined3d_color factor;
    unsigned int sample_mask;
};

struct wined3d_cs_set_depth_stencil_state
{
    enum wined3d_cs_op opcode;
    struct wined3d_depth_stencil_state *state;
    unsigned int stencil_ref;
};

struct wined3d_cs_set_rasterizer_state
{
    enum wined3d_cs_op opcode;
    struct wined3d_rasterizer_state *state;
};

struct wined3d_cs_set_render_state
{
    enum wined3d_cs_op opcode;
    enum wined3d_render_state state;
    DWORD value;
};

struct wined3d_cs_set_texture_state
{
    enum wined3d_cs_op opcode;
    UINT stage;
    enum wined3d_texture_stage_state state;
    DWORD value;
};

struct wined3d_cs_set_sampler_state
{
    enum wined3d_cs_op opcode;
    UINT sampler_idx;
    enum wined3d_sampler_state state;
    DWORD value;
};

struct wined3d_cs_set_transform
{
    enum wined3d_cs_op opcode;
    enum wined3d_transform_state state;
    struct wined3d_matrix matrix;
};

struct wined3d_cs_set_clip_plane
{
    enum wined3d_cs_op opcode;
    UINT plane_idx;
    struct wined3d_vec4 plane;
};

struct wined3d_cs_set_material
{
    enum wined3d_cs_op opcode;
    struct wined3d_material material;
};

struct wined3d_cs_set_light
{
    enum wined3d_cs_op opcode;
    struct wined3d_light_info light;
};

struct wined3d_cs_set_light_enable
{
    enum wined3d_cs_op opcode;
    unsigned int idx;
    BOOL enable;
};

struct wined3d_cs_set_feature_level
{
    enum wined3d_cs_op opcode;
    enum wined3d_feature_level level;
};

struct wined3d_cs_push_constants
{
    enum wined3d_cs_op opcode;
    enum wined3d_push_constants type;
    unsigned int start_idx;
    unsigned int count;
    BYTE constants[1];
};

struct wined3d_cs_reset_state
{
    enum wined3d_cs_op opcode;
    bool invalidate;
};

struct wined3d_cs_callback
{
    enum wined3d_cs_op opcode;
    void (*callback)(void *object);
    void *object;
};

struct wined3d_cs_query_issue
{
    enum wined3d_cs_op opcode;
    struct wined3d_query *query;
    DWORD flags;
};

struct wined3d_cs_preload_resource
{
    enum wined3d_cs_op opcode;
    struct wined3d_resource *resource;
};

struct wined3d_cs_unload_resource
{
    enum wined3d_cs_op opcode;
    struct wined3d_resource *resource;
};

struct wined3d_cs_map
{
    enum wined3d_cs_op opcode;
    struct wined3d_resource *resource;
    unsigned int sub_resource_idx;
    void **map_ptr;
    const struct wined3d_box *box;
    DWORD flags;
    HRESULT *hr;
};

struct wined3d_cs_unmap
{
    enum wined3d_cs_op opcode;
    struct wined3d_resource *resource;
    unsigned int sub_resource_idx;
    HRESULT *hr;
};

struct wined3d_cs_blt_sub_resource
{
    enum wined3d_cs_op opcode;
    struct wined3d_resource *dst_resource;
    unsigned int dst_sub_resource_idx;
    struct wined3d_box dst_box;
    struct wined3d_resource *src_resource;
    unsigned int src_sub_resource_idx;
    struct wined3d_box src_box;
    DWORD flags;
    struct wined3d_blt_fx fx;
    enum wined3d_texture_filter_type filter;
};

struct wined3d_cs_update_sub_resource
{
    enum wined3d_cs_op opcode;
    struct wined3d_resource *resource;
    unsigned int sub_resource_idx;
    struct wined3d_box box;
    struct upload_bo bo;
    unsigned int row_pitch, slice_pitch;
};

struct wined3d_cs_add_dirty_texture_region
{
    enum wined3d_cs_op opcode;
    struct wined3d_texture *texture;
    unsigned int layer;
};

struct wined3d_cs_clear_unordered_access_view
{
    enum wined3d_cs_op opcode;
    struct wined3d_unordered_access_view *view;
    struct wined3d_uvec4 clear_value;
    bool fp;
};

struct wined3d_cs_copy_uav_counter
{
    enum wined3d_cs_op opcode;
    struct wined3d_buffer *buffer;
    unsigned int offset;
    struct wined3d_unordered_access_view *view;
};

struct wined3d_cs_generate_mipmaps
{
    enum wined3d_cs_op opcode;
    struct wined3d_shader_resource_view *view;
};

struct wined3d_cs_execute_command_list
{
    enum wined3d_cs_op opcode;
    struct wined3d_command_list *list;
};

struct wined3d_cs_stop
{
    enum wined3d_cs_op opcode;
};

static inline void *wined3d_device_context_require_space(struct wined3d_device_context *context,
        size_t size, enum wined3d_cs_queue_id queue_id)
{
    return context->ops->require_space(context, size, queue_id);
}

static inline void wined3d_device_context_submit(struct wined3d_device_context *context,
        enum wined3d_cs_queue_id queue_id)
{
    context->ops->submit(context, queue_id);
}

static inline void wined3d_device_context_finish(struct wined3d_device_context *context,
        enum wined3d_cs_queue_id queue_id)
{
    context->ops->finish(context, queue_id);
}

static inline void wined3d_device_context_acquire_resource(struct wined3d_device_context *context,
        struct wined3d_resource *resource)
{
    context->ops->acquire_resource(context, resource);
}

static struct wined3d_cs *wined3d_cs_from_context(struct wined3d_device_context *context)
{
    return CONTAINING_RECORD(context, struct wined3d_cs, c);
}

static const char *debug_cs_op(enum wined3d_cs_op op)
{
    switch (op)
    {
#define WINED3D_TO_STR(type) case type: return #type
        WINED3D_TO_STR(WINED3D_CS_OP_NOP);
        WINED3D_TO_STR(WINED3D_CS_OP_PRESENT);
        WINED3D_TO_STR(WINED3D_CS_OP_CLEAR);
        WINED3D_TO_STR(WINED3D_CS_OP_DISPATCH);
        WINED3D_TO_STR(WINED3D_CS_OP_DRAW);
        WINED3D_TO_STR(WINED3D_CS_OP_FLUSH);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_PREDICATION);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_VIEWPORTS);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_SCISSOR_RECTS);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_RENDERTARGET_VIEWS);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_DEPTH_STENCIL_VIEW);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_VERTEX_DECLARATION);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_STREAM_SOURCES);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_STREAM_OUTPUTS);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_INDEX_BUFFER);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_CONSTANT_BUFFERS);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_TEXTURE);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_SHADER_RESOURCE_VIEWS);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_UNORDERED_ACCESS_VIEWS);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_SAMPLERS);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_SHADER);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_BLEND_STATE);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_DEPTH_STENCIL_STATE);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_RASTERIZER_STATE);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_RENDER_STATE);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_TEXTURE_STATE);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_SAMPLER_STATE);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_TRANSFORM);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_CLIP_PLANE);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_COLOR_KEY);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_MATERIAL);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_LIGHT);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_LIGHT_ENABLE);
        WINED3D_TO_STR(WINED3D_CS_OP_SET_FEATURE_LEVEL);
        WINED3D_TO_STR(WINED3D_CS_OP_PUSH_CONSTANTS);
        WINED3D_TO_STR(WINED3D_CS_OP_RESET_STATE);
        WINED3D_TO_STR(WINED3D_CS_OP_CALLBACK);
        WINED3D_TO_STR(WINED3D_CS_OP_QUERY_ISSUE);
        WINED3D_TO_STR(WINED3D_CS_OP_PRELOAD_RESOURCE);
        WINED3D_TO_STR(WINED3D_CS_OP_UNLOAD_RESOURCE);
        WINED3D_TO_STR(WINED3D_CS_OP_MAP);
        WINED3D_TO_STR(WINED3D_CS_OP_UNMAP);
        WINED3D_TO_STR(WINED3D_CS_OP_BLT_SUB_RESOURCE);
        WINED3D_TO_STR(WINED3D_CS_OP_UPDATE_SUB_RESOURCE);
        WINED3D_TO_STR(WINED3D_CS_OP_ADD_DIRTY_TEXTURE_REGION);
        WINED3D_TO_STR(WINED3D_CS_OP_CLEAR_UNORDERED_ACCESS_VIEW);
        WINED3D_TO_STR(WINED3D_CS_OP_COPY_UAV_COUNTER);
        WINED3D_TO_STR(WINED3D_CS_OP_GENERATE_MIPMAPS);
        WINED3D_TO_STR(WINED3D_CS_OP_EXECUTE_COMMAND_LIST);
        WINED3D_TO_STR(WINED3D_CS_OP_STOP);
#undef WINED3D_TO_STR
    }
    return wine_dbg_sprintf("UNKNOWN_OP(%#x)", op);
}

static void wined3d_cs_exec_nop(struct wined3d_cs *cs, const void *data)
{
}

static void wined3d_cs_exec_present(struct wined3d_cs *cs, const void *data)
{
    struct wined3d_texture *logo_texture, *cursor_texture, *back_buffer;
    struct wined3d_rendertarget_view *dsv = cs->state.fb.depth_stencil;
    const struct wined3d_cs_present *op = data;
    const struct wined3d_swapchain_desc *desc;
    struct wined3d_swapchain *swapchain;
    unsigned int i;

    swapchain = op->swapchain;
    desc = &swapchain->state.desc;
    back_buffer = swapchain->back_buffers[0];
    wined3d_swapchain_set_window(swapchain, op->dst_window_override);

    if ((logo_texture = swapchain->device->logo_texture))
    {
        RECT rect = {0, 0, logo_texture->resource.width, logo_texture->resource.height};

        /* Blit the logo into the upper left corner of the back-buffer. */
        wined3d_device_context_blt(&cs->c, back_buffer, 0, &rect, logo_texture, 0,
                &rect, WINED3D_BLT_SRC_CKEY, NULL, WINED3D_TEXF_POINT);
    }

    if ((cursor_texture = swapchain->device->cursor_texture)
            && swapchain->device->bCursorVisible && !swapchain->device->hardwareCursor)
    {
        RECT dst_rect =
        {
            swapchain->device->xScreenSpace - swapchain->device->xHotSpot,
            swapchain->device->yScreenSpace - swapchain->device->yHotSpot,
            swapchain->device->xScreenSpace + swapchain->device->cursorWidth - swapchain->device->xHotSpot,
            swapchain->device->yScreenSpace + swapchain->device->cursorHeight - swapchain->device->yHotSpot,
        };
        RECT src_rect =
        {
            0, 0, cursor_texture->resource.width, cursor_texture->resource.height
        };
        const RECT clip_rect = {0, 0, back_buffer->resource.width, back_buffer->resource.height};

        TRACE("Rendering the software cursor.\n");

        if (desc->windowed)
            MapWindowPoints(NULL, swapchain->win_handle, (POINT *)&dst_rect, 2);
        if (wined3d_clip_blit(&clip_rect, &dst_rect, &src_rect))
            wined3d_device_context_blt(&cs->c, back_buffer, 0, &dst_rect, cursor_texture, 0,
                    &src_rect, WINED3D_BLT_ALPHA_TEST, NULL, WINED3D_TEXF_POINT);
    }

    swapchain->swapchain_ops->swapchain_present(swapchain, &op->src_rect, &op->dst_rect, op->swap_interval, op->flags);

    /* Discard buffers if the swap effect allows it. */
    back_buffer = swapchain->back_buffers[desc->backbuffer_count - 1];
    if (desc->swap_effect == WINED3D_SWAP_EFFECT_DISCARD || desc->swap_effect == WINED3D_SWAP_EFFECT_FLIP_DISCARD)
        wined3d_texture_validate_location(back_buffer, 0, WINED3D_LOCATION_DISCARDED);

    if (dsv && dsv->resource->type != WINED3D_RTYPE_BUFFER)
    {
        struct wined3d_texture *ds = texture_from_resource(dsv->resource);

        if ((desc->flags & WINED3D_SWAPCHAIN_DISCARD_DEPTHSTENCIL || ds->flags & WINED3D_TEXTURE_DISCARD))
            wined3d_rendertarget_view_validate_location(dsv, WINED3D_LOCATION_DISCARDED);
    }

    if (TRACE_ON(fps))
    {
        DWORD time = GetTickCount();
        ++swapchain->frames;

        /* every 1.5 seconds */
        if (time - swapchain->prev_time > 1500)
        {
            TRACE_(fps)("%p @ approx %.2ffps\n",
                    swapchain, 1000.0 * swapchain->frames / (time - swapchain->prev_time));
            swapchain->prev_time = time;
            swapchain->frames = 0;
        }
    }

    wined3d_resource_release(&swapchain->front_buffer->resource);
    for (i = 0; i < desc->backbuffer_count; ++i)
    {
        wined3d_resource_release(&swapchain->back_buffers[i]->resource);
    }

    InterlockedDecrement(&cs->pending_presents);
}

void wined3d_cs_emit_present(struct wined3d_cs *cs, struct wined3d_swapchain *swapchain,
        const RECT *src_rect, const RECT *dst_rect, HWND dst_window_override,
        unsigned int swap_interval, DWORD flags)
{
    struct wined3d_cs_present *op;
    unsigned int i;
    LONG pending;

    op = wined3d_device_context_require_space(&cs->c, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_PRESENT;
    op->dst_window_override = dst_window_override;
    op->swapchain = swapchain;
    op->src_rect = *src_rect;
    op->dst_rect = *dst_rect;
    op->swap_interval = swap_interval;
    op->flags = flags;

    pending = InterlockedIncrement(&cs->pending_presents);

    wined3d_resource_acquire(&swapchain->front_buffer->resource);
    for (i = 0; i < swapchain->state.desc.backbuffer_count; ++i)
    {
        wined3d_resource_acquire(&swapchain->back_buffers[i]->resource);
    }

    wined3d_device_context_submit(&cs->c, WINED3D_CS_QUEUE_DEFAULT);

    /* Limit input latency by limiting the number of presents that we can get
     * ahead of the worker thread. */
    while (pending >= swapchain->max_frame_latency)
    {
        YieldProcessor();
        pending = InterlockedCompareExchange(&cs->pending_presents, 0, 0);
    }
}

static void wined3d_cs_exec_clear(struct wined3d_cs *cs, const void *data)
{
    struct wined3d_device *device = cs->c.device;
    const struct wined3d_cs_clear *op = data;
    unsigned int i;

    device->blitter->ops->blitter_clear(device->blitter, device, op->rt_count, &op->fb,
            op->rect_count, op->rects, &op->draw_rect, op->flags, &op->color, op->depth, op->stencil);

    if (op->flags & WINED3DCLEAR_TARGET)
    {
        for (i = 0; i < op->rt_count; ++i)
        {
            if (op->fb.render_targets[i])
                wined3d_resource_release(op->fb.render_targets[i]->resource);
        }
    }
    if (op->flags & (WINED3DCLEAR_ZBUFFER | WINED3DCLEAR_STENCIL))
        wined3d_resource_release(op->fb.depth_stencil->resource);
}

void wined3d_cs_emit_clear(struct wined3d_cs *cs, DWORD rect_count, const RECT *rects,
        DWORD flags, const struct wined3d_color *color, float depth, DWORD stencil)
{
    const struct wined3d_state *state = cs->c.state;
    const struct wined3d_viewport *vp = &state->viewports[0];
    struct wined3d_rendertarget_view *view;
    struct wined3d_cs_clear *op;
    unsigned int rt_count, i;

    rt_count = flags & WINED3DCLEAR_TARGET ? cs->c.device->adapter->d3d_info.limits.max_rt_count : 0;

    op = wined3d_device_context_require_space(&cs->c, FIELD_OFFSET(struct wined3d_cs_clear, rects[rect_count]),
            WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_CLEAR;
    op->flags = flags & (WINED3DCLEAR_TARGET | WINED3DCLEAR_ZBUFFER | WINED3DCLEAR_STENCIL);
    op->rt_count = rt_count;
    op->fb = state->fb;
    SetRect(&op->draw_rect, vp->x, vp->y, vp->x + vp->width, vp->y + vp->height);
    if (state->rasterizer_state && state->rasterizer_state->desc.scissor)
        IntersectRect(&op->draw_rect, &op->draw_rect, &state->scissor_rects[0]);
    op->color = *color;
    op->depth = depth;
    op->stencil = stencil;
    op->rect_count = rect_count;
    memcpy(op->rects, rects, sizeof(*rects) * rect_count);

    for (i = 0; i < rt_count; ++i)
    {
        if ((view = state->fb.render_targets[i]))
            wined3d_resource_acquire(view->resource);
    }
    if (flags & (WINED3DCLEAR_ZBUFFER | WINED3DCLEAR_STENCIL))
    {
        view = state->fb.depth_stencil;
        wined3d_resource_acquire(view->resource);
    }

    wined3d_device_context_submit(&cs->c, WINED3D_CS_QUEUE_DEFAULT);
}

void wined3d_device_context_emit_clear_rendertarget_view(struct wined3d_device_context *context,
        struct wined3d_rendertarget_view *view, const RECT *rect, unsigned int flags,
        const struct wined3d_color *color, float depth, unsigned int stencil)
{
    struct wined3d_cs_clear *op;
    size_t size;

    size = FIELD_OFFSET(struct wined3d_cs_clear, rects[1]);
    op = wined3d_device_context_require_space(context, size, WINED3D_CS_QUEUE_DEFAULT);

    op->opcode = WINED3D_CS_OP_CLEAR;
    op->flags = flags & (WINED3DCLEAR_TARGET | WINED3DCLEAR_ZBUFFER | WINED3DCLEAR_STENCIL);
    if (flags & WINED3DCLEAR_TARGET)
    {
        op->rt_count = 1;
        op->fb.render_targets[0] = view;
        op->fb.depth_stencil = NULL;
        op->color = *color;
    }
    else
    {
        op->rt_count = 0;
        op->fb.render_targets[0] = NULL;
        op->fb.depth_stencil = view;
        op->depth = depth;
        op->stencil = stencil;
    }
    SetRect(&op->draw_rect, 0, 0, view->width, view->height);
    op->rect_count = 1;
    op->rects[0] = *rect;

    wined3d_device_context_acquire_resource(context, view->resource);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
    if (flags & WINED3DCLEAR_SYNCHRONOUS)
        wined3d_device_context_finish(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void acquire_shader_resources(struct wined3d_device_context *context, unsigned int shader_mask)
{
    const struct wined3d_state *state = context->state;
    struct wined3d_shader_sampler_map_entry *entry;
    struct wined3d_shader_resource_view *view;
    struct wined3d_shader *shader;
    unsigned int i, j;

    for (i = 0; i < WINED3D_SHADER_TYPE_COUNT; ++i)
    {
        if (!(shader_mask & (1u << i)))
            continue;

        if (!(shader = state->shader[i]))
            continue;

        for (j = 0; j < WINED3D_MAX_CBS; ++j)
        {
            if (state->cb[i][j].buffer)
                wined3d_device_context_acquire_resource(context, &state->cb[i][j].buffer->resource);
        }

        for (j = 0; j < shader->reg_maps.sampler_map.count; ++j)
        {
            entry = &shader->reg_maps.sampler_map.entries[j];

            if (!(view = state->shader_resource_view[i][entry->resource_idx]))
                continue;

            wined3d_device_context_acquire_resource(context, view->resource);
        }
    }
}

static void release_shader_resources(const struct wined3d_state *state, unsigned int shader_mask)
{
    struct wined3d_shader_sampler_map_entry *entry;
    struct wined3d_shader_resource_view *view;
    struct wined3d_shader *shader;
    unsigned int i, j;

    for (i = 0; i < WINED3D_SHADER_TYPE_COUNT; ++i)
    {
        if (!(shader_mask & (1u << i)))
            continue;

        if (!(shader = state->shader[i]))
            continue;

        for (j = 0; j < WINED3D_MAX_CBS; ++j)
        {
            if (state->cb[i][j].buffer)
                wined3d_resource_release(&state->cb[i][j].buffer->resource);
        }

        for (j = 0; j < shader->reg_maps.sampler_map.count; ++j)
        {
            entry = &shader->reg_maps.sampler_map.entries[j];

            if (!(view = state->shader_resource_view[i][entry->resource_idx]))
                continue;

            wined3d_resource_release(view->resource);
        }
    }
}

static void acquire_unordered_access_resources(struct wined3d_device_context *context,
        const struct wined3d_shader *shader, struct wined3d_unordered_access_view * const *views)
{
    unsigned int i;

    if (!shader)
        return;

    for (i = 0; i < MAX_UNORDERED_ACCESS_VIEWS; ++i)
    {
        if (!shader->reg_maps.uav_resource_info[i].type)
            continue;

        if (!views[i])
            continue;

        wined3d_device_context_acquire_resource(context, views[i]->resource);
    }
}

static void release_unordered_access_resources(const struct wined3d_shader *shader,
        struct wined3d_unordered_access_view * const *views)
{
    unsigned int i;

    if (!shader)
        return;

    for (i = 0; i < MAX_UNORDERED_ACCESS_VIEWS; ++i)
    {
        if (!shader->reg_maps.uav_resource_info[i].type)
            continue;

        if (!views[i])
            continue;

        wined3d_resource_release(views[i]->resource);
    }
}

static void wined3d_cs_exec_dispatch(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_dispatch *op = data;
    struct wined3d_state *state = &cs->state;

    if (!state->shader[WINED3D_SHADER_TYPE_COMPUTE])
        WARN("No compute shader bound, skipping dispatch.\n");
    else
        cs->c.device->adapter->adapter_ops->adapter_dispatch_compute(cs->c.device, state, &op->parameters);

    if (op->parameters.indirect)
        wined3d_resource_release(&op->parameters.u.indirect.buffer->resource);

    release_shader_resources(state, 1u << WINED3D_SHADER_TYPE_COMPUTE);
    release_unordered_access_resources(state->shader[WINED3D_SHADER_TYPE_COMPUTE],
            state->unordered_access_view[WINED3D_PIPELINE_COMPUTE]);
}

static void acquire_compute_pipeline_resources(struct wined3d_device_context *context)
{
    const struct wined3d_state *state = context->state;

    acquire_shader_resources(context, 1u << WINED3D_SHADER_TYPE_COMPUTE);
    acquire_unordered_access_resources(context, state->shader[WINED3D_SHADER_TYPE_COMPUTE],
            state->unordered_access_view[WINED3D_PIPELINE_COMPUTE]);
}

void CDECL wined3d_device_context_dispatch(struct wined3d_device_context *context,
        unsigned int group_count_x, unsigned int group_count_y, unsigned int group_count_z)
{
    struct wined3d_cs_dispatch *op;

    wined3d_mutex_lock();
    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_DISPATCH;
    op->parameters.indirect = FALSE;
    op->parameters.u.direct.group_count_x = group_count_x;
    op->parameters.u.direct.group_count_y = group_count_y;
    op->parameters.u.direct.group_count_z = group_count_z;

    acquire_compute_pipeline_resources(context);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
    wined3d_mutex_unlock();
}

void CDECL wined3d_device_context_dispatch_indirect(struct wined3d_device_context *context,
        struct wined3d_buffer *buffer, unsigned int offset)
{
    struct wined3d_cs_dispatch *op;

    wined3d_mutex_lock();
    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_DISPATCH;
    op->parameters.indirect = TRUE;
    op->parameters.u.indirect.buffer = buffer;
    op->parameters.u.indirect.offset = offset;

    acquire_compute_pipeline_resources(context);
    wined3d_device_context_acquire_resource(context, &buffer->resource);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
    wined3d_mutex_unlock();
}

static void wined3d_cs_exec_draw(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_d3d_info *d3d_info = &cs->c.device->adapter->d3d_info;
    const struct wined3d_shader *geometry_shader;
    struct wined3d_device *device = cs->c.device;
    int base_vertex_idx, load_base_vertex_idx;
    struct wined3d_state *state = &cs->state;
    const struct wined3d_cs_draw *op = data;
    unsigned int i;

    base_vertex_idx = 0;
    if (!op->parameters.indirect)
    {
        const struct wined3d_direct_draw_parameters *direct = &op->parameters.u.direct;

        if (op->parameters.indexed && d3d_info->draw_base_vertex_offset)
            base_vertex_idx = direct->base_vertex_idx;
        else if (!op->parameters.indexed)
            base_vertex_idx = direct->start_idx;
    }

    /* ARB_draw_indirect always supports a base vertex offset. */
    if (!op->parameters.indirect && !d3d_info->draw_base_vertex_offset)
        load_base_vertex_idx = op->parameters.u.direct.base_vertex_idx;
    else
        load_base_vertex_idx = 0;

    if (state->base_vertex_index != base_vertex_idx)
    {
        state->base_vertex_index = base_vertex_idx;
        for (i = 0; i < device->context_count; ++i)
            device->contexts[i]->constant_update_mask |= WINED3D_SHADER_CONST_BASE_VERTEX_ID;
    }

    if (state->load_base_vertex_index != load_base_vertex_idx)
    {
        state->load_base_vertex_index = load_base_vertex_idx;
        device_invalidate_state(cs->c.device, STATE_BASEVERTEXINDEX);
    }

    if (state->primitive_type != op->primitive_type)
    {
        if ((geometry_shader = state->shader[WINED3D_SHADER_TYPE_GEOMETRY]) && !geometry_shader->function)
            device_invalidate_state(cs->c.device, STATE_SHADER(WINED3D_SHADER_TYPE_GEOMETRY));
        if (state->primitive_type == WINED3D_PT_POINTLIST || op->primitive_type == WINED3D_PT_POINTLIST)
            device_invalidate_state(cs->c.device, STATE_POINT_ENABLE);
        state->primitive_type = op->primitive_type;
    }
    state->patch_vertex_count = op->patch_vertex_count;

    cs->c.device->adapter->adapter_ops->adapter_draw_primitive(cs->c.device, state, &op->parameters);

    if (op->parameters.indirect)
    {
        struct wined3d_buffer *buffer = op->parameters.u.indirect.buffer;
        wined3d_resource_release(&buffer->resource);
    }

    if (op->parameters.indexed)
        wined3d_resource_release(&state->index_buffer->resource);
    for (i = 0; i < ARRAY_SIZE(state->streams); ++i)
    {
        if (state->streams[i].buffer)
            wined3d_resource_release(&state->streams[i].buffer->resource);
    }
    for (i = 0; i < ARRAY_SIZE(state->stream_output); ++i)
    {
        if (state->stream_output[i].buffer)
            wined3d_resource_release(&state->stream_output[i].buffer->resource);
    }
    for (i = 0; i < ARRAY_SIZE(state->textures); ++i)
    {
        if (state->textures[i])
            wined3d_resource_release(&state->textures[i]->resource);
    }
    for (i = 0; i < d3d_info->limits.max_rt_count; ++i)
    {
        if (state->fb.render_targets[i])
            wined3d_resource_release(state->fb.render_targets[i]->resource);
    }
    if (state->fb.depth_stencil)
        wined3d_resource_release(state->fb.depth_stencil->resource);
    release_shader_resources(state, ~(1u << WINED3D_SHADER_TYPE_COMPUTE));
    release_unordered_access_resources(state->shader[WINED3D_SHADER_TYPE_PIXEL],
            state->unordered_access_view[WINED3D_PIPELINE_GRAPHICS]);
}

static void acquire_graphics_pipeline_resources(struct wined3d_device_context *context,
        BOOL indexed, const struct wined3d_d3d_info *d3d_info)
{
    const struct wined3d_state *state = context->state;
    unsigned int i;

    if (indexed)
        wined3d_device_context_acquire_resource(context, &state->index_buffer->resource);
    for (i = 0; i < ARRAY_SIZE(state->streams); ++i)
    {
        if (state->streams[i].buffer)
            wined3d_device_context_acquire_resource(context, &state->streams[i].buffer->resource);
    }
    for (i = 0; i < ARRAY_SIZE(state->stream_output); ++i)
    {
        if (state->stream_output[i].buffer)
            wined3d_device_context_acquire_resource(context, &state->stream_output[i].buffer->resource);
    }
    for (i = 0; i < ARRAY_SIZE(state->textures); ++i)
    {
        if (state->textures[i])
            wined3d_device_context_acquire_resource(context, &state->textures[i]->resource);
    }
    for (i = 0; i < d3d_info->limits.max_rt_count; ++i)
    {
        if (state->fb.render_targets[i])
            wined3d_device_context_acquire_resource(context, state->fb.render_targets[i]->resource);
    }
    if (state->fb.depth_stencil)
        wined3d_device_context_acquire_resource(context, state->fb.depth_stencil->resource);
    acquire_shader_resources(context, ~(1u << WINED3D_SHADER_TYPE_COMPUTE));
    acquire_unordered_access_resources(context, state->shader[WINED3D_SHADER_TYPE_PIXEL],
            state->unordered_access_view[WINED3D_PIPELINE_GRAPHICS]);
}

void wined3d_device_context_emit_draw(struct wined3d_device_context *context,
        enum wined3d_primitive_type primitive_type, unsigned int patch_vertex_count, int base_vertex_idx,
        unsigned int start_idx, unsigned int index_count, unsigned int start_instance, unsigned int instance_count,
        bool indexed)
{
    const struct wined3d_d3d_info *d3d_info = &context->device->adapter->d3d_info;
    struct wined3d_cs_draw *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_DRAW;
    op->primitive_type = primitive_type;
    op->patch_vertex_count = patch_vertex_count;
    op->parameters.indirect = FALSE;
    op->parameters.u.direct.base_vertex_idx = base_vertex_idx;
    op->parameters.u.direct.start_idx = start_idx;
    op->parameters.u.direct.index_count = index_count;
    op->parameters.u.direct.start_instance = start_instance;
    op->parameters.u.direct.instance_count = instance_count;
    op->parameters.indexed = indexed;

    acquire_graphics_pipeline_resources(context, indexed, d3d_info);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

void CDECL wined3d_device_context_draw_indirect(struct wined3d_device_context *context,
        struct wined3d_buffer *buffer, unsigned int offset, bool indexed)
{
    const struct wined3d_d3d_info *d3d_info = &context->device->adapter->d3d_info;
    const struct wined3d_state *state = context->state;
    struct wined3d_cs_draw *op;

    wined3d_mutex_lock();
    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_DRAW;
    op->primitive_type = state->primitive_type;
    op->patch_vertex_count = state->patch_vertex_count;
    op->parameters.indirect = TRUE;
    op->parameters.u.indirect.buffer = buffer;
    op->parameters.u.indirect.offset = offset;
    op->parameters.indexed = indexed;

    acquire_graphics_pipeline_resources(context, indexed, d3d_info);
    wined3d_device_context_acquire_resource(context, &buffer->resource);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
    wined3d_mutex_unlock();
}

static void wined3d_cs_exec_flush(struct wined3d_cs *cs, const void *data)
{
    struct wined3d_context *context;

    context = context_acquire(cs->c.device, NULL, 0);
    cs->c.device->adapter->adapter_ops->adapter_flush_context(context);
    context_release(context);
}

static void wined3d_cs_flush(struct wined3d_device_context *context)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);
    struct wined3d_cs_flush *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_FLUSH;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
    cs->queries_flushed = TRUE;
}

static void wined3d_cs_exec_set_predication(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_predication *op = data;

    cs->state.predicate = op->predicate;
    cs->state.predicate_value = op->value;
}

void wined3d_device_context_emit_set_predication(struct wined3d_device_context *context,
        struct wined3d_query *predicate, BOOL value)
{
    struct wined3d_cs_set_predication *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_PREDICATION;
    op->predicate = predicate;
    op->value = value;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_viewports(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_viewports *op = data;

    if (op->viewport_count)
        memcpy(cs->state.viewports, op->viewports, op->viewport_count * sizeof(*op->viewports));
    else
        memset(cs->state.viewports, 0, sizeof(*cs->state.viewports));
    cs->state.viewport_count = op->viewport_count;
    device_invalidate_state(cs->c.device, STATE_VIEWPORT);
}

void wined3d_device_context_emit_set_viewports(struct wined3d_device_context *context, unsigned int viewport_count,
        const struct wined3d_viewport *viewports)
{
    struct wined3d_cs_set_viewports *op;

    op = wined3d_device_context_require_space(context,
            FIELD_OFFSET(struct wined3d_cs_set_viewports,viewports[viewport_count]), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_VIEWPORTS;
    memcpy(op->viewports, viewports, viewport_count * sizeof(*viewports));
    op->viewport_count = viewport_count;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_scissor_rects(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_scissor_rects *op = data;

    if (op->rect_count)
        memcpy(cs->state.scissor_rects, op->rects, op->rect_count * sizeof(*op->rects));
    else
        SetRectEmpty(cs->state.scissor_rects);
    cs->state.scissor_rect_count = op->rect_count;
    device_invalidate_state(cs->c.device, STATE_SCISSORRECT);
}

void wined3d_device_context_emit_set_scissor_rects(struct wined3d_device_context *context,
        unsigned int rect_count, const RECT *rects)
{
    struct wined3d_cs_set_scissor_rects *op;

    op = wined3d_device_context_require_space(context, FIELD_OFFSET(struct wined3d_cs_set_scissor_rects, rects[rect_count]),
            WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_SCISSOR_RECTS;
    memcpy(op->rects, rects, rect_count * sizeof(*rects));
    op->rect_count = rect_count;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_rendertarget_views(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_rendertarget_views *op = data;
    struct wined3d_device *device = cs->c.device;
    unsigned int i;

    for (i = 0; i < op->count; ++i)
    {
        struct wined3d_rendertarget_view *prev = cs->state.fb.render_targets[op->start_idx + i];
        struct wined3d_rendertarget_view *view = op->views[i];
        bool prev_alpha_swizzle, curr_alpha_swizzle;
        bool prev_srgb_write, curr_srgb_write;

        cs->state.fb.render_targets[op->start_idx + i] = view;

        prev_alpha_swizzle = prev && prev->format->id == WINED3DFMT_A8_UNORM;
        curr_alpha_swizzle = view && view->format->id == WINED3DFMT_A8_UNORM;
        if (prev_alpha_swizzle != curr_alpha_swizzle)
            device_invalidate_state(device, STATE_SHADER(WINED3D_SHADER_TYPE_PIXEL));

        if (!(device->adapter->d3d_info.wined3d_creation_flags & WINED3D_SRGB_READ_WRITE_CONTROL)
                || cs->state.render_states[WINED3D_RS_SRGBWRITEENABLE])
        {
            prev_srgb_write = prev && prev->format_flags & WINED3DFMT_FLAG_SRGB_WRITE;
            curr_srgb_write = view && view->format_flags & WINED3DFMT_FLAG_SRGB_WRITE;
            if (prev_srgb_write != curr_srgb_write)
                device_invalidate_state(device, STATE_RENDER(WINED3D_RS_SRGBWRITEENABLE));
        }
    }

    device_invalidate_state(device, STATE_FRAMEBUFFER);
}

void wined3d_device_context_emit_set_rendertarget_views(struct wined3d_device_context *context,
        unsigned int start_idx, unsigned int count, struct wined3d_rendertarget_view *const *views)
{
    struct wined3d_cs_set_rendertarget_views *op;

    op = wined3d_device_context_require_space(context,
            offsetof(struct wined3d_cs_set_rendertarget_views, views[count]), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_RENDERTARGET_VIEWS;
    op->start_idx = start_idx;
    op->count = count;
    memcpy(op->views, views, count * sizeof(*views));

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_depth_stencil_view(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_depth_stencil_view *op = data;
    struct wined3d_device *device = cs->c.device;
    struct wined3d_rendertarget_view *prev;

    if ((prev = cs->state.fb.depth_stencil) && prev->resource->type != WINED3D_RTYPE_BUFFER)
    {
        struct wined3d_texture *prev_texture = texture_from_resource(prev->resource);

        if (device->swapchains[0]->state.desc.flags & WINED3D_SWAPCHAIN_DISCARD_DEPTHSTENCIL
                || prev_texture->flags & WINED3D_TEXTURE_DISCARD)
            wined3d_texture_validate_location(prev_texture,
                    prev->sub_resource_idx, WINED3D_LOCATION_DISCARDED);
    }

    cs->state.fb.depth_stencil = op->view;

    if (!prev != !op->view)
    {
        /* Swapping NULL / non NULL depth stencil affects the depth and tests */
        device_invalidate_state(device, STATE_DEPTH_STENCIL);
        device_invalidate_state(device, STATE_STENCIL_REF);
        device_invalidate_state(device, STATE_RASTERIZER);
    }
    else if (prev)
    {
        if (prev->format->depth_bias_scale != op->view->format->depth_bias_scale)
            device_invalidate_state(device, STATE_RASTERIZER);
        if (prev->format->stencil_size != op->view->format->stencil_size)
            device_invalidate_state(device, STATE_STENCIL_REF);
    }

    device_invalidate_state(device, STATE_FRAMEBUFFER);
}

void wined3d_device_context_emit_set_depth_stencil_view(struct wined3d_device_context *context,
        struct wined3d_rendertarget_view *view)
{
    struct wined3d_cs_set_depth_stencil_view *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_DEPTH_STENCIL_VIEW;
    op->view = view;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_vertex_declaration(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_vertex_declaration *op = data;

    cs->state.vertex_declaration = op->declaration;
    device_invalidate_state(cs->c.device, STATE_VDECL);
}

void wined3d_device_context_emit_set_vertex_declaration(struct wined3d_device_context *context,
        struct wined3d_vertex_declaration *declaration)
{
    struct wined3d_cs_set_vertex_declaration *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_VERTEX_DECLARATION;
    op->declaration = declaration;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_stream_sources(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_stream_sources *op = data;
    unsigned int i;

    for (i = 0; i < op->count; ++i)
    {
        struct wined3d_buffer *prev = cs->state.streams[op->start_idx + i].buffer;
        struct wined3d_buffer *buffer = op->streams[i].buffer;

        if (buffer)
            InterlockedIncrement(&buffer->resource.bind_count);
        if (prev)
            InterlockedDecrement(&prev->resource.bind_count);
    }

    memcpy(&cs->state.streams[op->start_idx], op->streams, op->count * sizeof(*op->streams));
    device_invalidate_state(cs->c.device, STATE_STREAMSRC);
}

void wined3d_device_context_emit_set_stream_sources(struct wined3d_device_context *context,
        unsigned int start_idx, unsigned int count, const struct wined3d_stream_state *streams)
{
    struct wined3d_cs_set_stream_sources *op;

    op = wined3d_device_context_require_space(context,
            offsetof(struct wined3d_cs_set_stream_sources, streams[count]), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_STREAM_SOURCES;
    op->start_idx = start_idx;
    op->count = count;
    memcpy(op->streams, streams, count * sizeof(*streams));

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_stream_outputs(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_stream_outputs *op = data;
    unsigned int i;

    for (i = 0; i < WINED3D_MAX_STREAM_OUTPUT_BUFFERS; ++i)
    {
        struct wined3d_buffer *prev = cs->state.stream_output[i].buffer;
        struct wined3d_buffer *buffer = op->outputs[i].buffer;

        if (buffer)
            InterlockedIncrement(&buffer->resource.bind_count);
        if (prev)
            InterlockedDecrement(&prev->resource.bind_count);
    }

    memcpy(cs->state.stream_output, op->outputs, sizeof(op->outputs));
    device_invalidate_state(cs->c.device, STATE_STREAM_OUTPUT);
}

void wined3d_device_context_emit_set_stream_outputs(struct wined3d_device_context *context,
        const struct wined3d_stream_output outputs[WINED3D_MAX_STREAM_OUTPUT_BUFFERS])
{
    struct wined3d_cs_set_stream_outputs *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_STREAM_OUTPUTS;
    memcpy(op->outputs, outputs, sizeof(op->outputs));

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_index_buffer(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_index_buffer *op = data;
    struct wined3d_buffer *prev;

    prev = cs->state.index_buffer;
    cs->state.index_buffer = op->buffer;
    cs->state.index_format = op->format_id;
    cs->state.index_offset = op->offset;

    if (op->buffer)
        InterlockedIncrement(&op->buffer->resource.bind_count);
    if (prev)
        InterlockedDecrement(&prev->resource.bind_count);

    device_invalidate_state(cs->c.device, STATE_INDEXBUFFER);
}

void wined3d_device_context_emit_set_index_buffer(struct wined3d_device_context *context, struct wined3d_buffer *buffer,
        enum wined3d_format_id format_id, unsigned int offset)
{
    struct wined3d_cs_set_index_buffer *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_INDEX_BUFFER;
    op->buffer = buffer;
    op->format_id = format_id;
    op->offset = offset;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_constant_buffers(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_constant_buffers *op = data;
    unsigned int i;

    for (i = 0; i < op->count; ++i)
    {
        struct wined3d_buffer *prev = cs->state.cb[op->type][op->start_idx + i].buffer;
        struct wined3d_buffer *buffer = op->buffers[i].buffer;

        cs->state.cb[op->type][op->start_idx + i] = op->buffers[i];

        if (buffer)
            InterlockedIncrement(&buffer->resource.bind_count);
        if (prev)
            InterlockedDecrement(&prev->resource.bind_count);
    }

    device_invalidate_state(cs->c.device, STATE_CONSTANT_BUFFER(op->type));
}

void wined3d_device_context_emit_set_constant_buffers(struct wined3d_device_context *context,
        enum wined3d_shader_type type, unsigned int start_idx, unsigned int count,
        const struct wined3d_constant_buffer_state *buffers)
{
    struct wined3d_cs_set_constant_buffers *op;

    op = wined3d_device_context_require_space(context, offsetof(struct wined3d_cs_set_constant_buffers, buffers[count]),
            WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_CONSTANT_BUFFERS;
    op->type = type;
    op->start_idx = start_idx;
    op->count = count;
    memcpy(op->buffers, buffers, count * sizeof(*buffers));

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_texture(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_d3d_info *d3d_info = &cs->c.device->adapter->d3d_info;
    const struct wined3d_cs_set_texture *op = data;
    struct wined3d_texture *prev;
    BOOL old_use_color_key = FALSE, new_use_color_key = FALSE;

    prev = cs->state.textures[op->stage];
    cs->state.textures[op->stage] = op->texture;

    if (op->texture)
    {
        const struct wined3d_format *new_format = op->texture->resource.format;
        const struct wined3d_format *old_format = prev ? prev->resource.format : NULL;
        unsigned int old_fmt_flags = prev ? prev->resource.format_flags : 0;
        unsigned int new_fmt_flags = op->texture->resource.format_flags;

        if (InterlockedIncrement(&op->texture->resource.bind_count) == 1)
            op->texture->sampler = op->stage;

        if (!prev || wined3d_texture_gl(op->texture)->target != wined3d_texture_gl(prev)->target
                || (!is_same_fixup(new_format->color_fixup, old_format->color_fixup)
                && !(can_use_texture_swizzle(d3d_info, new_format) && can_use_texture_swizzle(d3d_info, old_format)))
                || (new_fmt_flags & WINED3DFMT_FLAG_SHADOW) != (old_fmt_flags & WINED3DFMT_FLAG_SHADOW))
            device_invalidate_state(cs->c.device, STATE_SHADER(WINED3D_SHADER_TYPE_PIXEL));

        if (!prev && op->stage < d3d_info->limits.ffp_blend_stages)
        {
            /* The source arguments for color and alpha ops have different
             * meanings when a NULL texture is bound, so the COLOR_OP and
             * ALPHA_OP have to be dirtified. */
            device_invalidate_state(cs->c.device, STATE_TEXTURESTAGE(op->stage, WINED3D_TSS_COLOR_OP));
            device_invalidate_state(cs->c.device, STATE_TEXTURESTAGE(op->stage, WINED3D_TSS_ALPHA_OP));
        }

        if (!op->stage && op->texture->async.color_key_flags & WINED3D_CKEY_SRC_BLT)
            new_use_color_key = TRUE;
    }

    if (prev)
    {
        if (InterlockedDecrement(&prev->resource.bind_count) && prev->sampler == op->stage)
        {
            unsigned int i;

            /* Search for other stages the texture is bound to. Shouldn't
             * happen if applications bind textures to a single stage only. */
            TRACE("Searching for other stages the texture is bound to.\n");
            for (i = 0; i < WINED3D_MAX_COMBINED_SAMPLERS; ++i)
            {
                if (cs->state.textures[i] == prev)
                {
                    TRACE("Texture is also bound to stage %u.\n", i);
                    prev->sampler = i;
                    break;
                }
            }
        }

        if (!op->texture && op->stage < d3d_info->limits.ffp_blend_stages)
        {
            device_invalidate_state(cs->c.device, STATE_TEXTURESTAGE(op->stage, WINED3D_TSS_COLOR_OP));
            device_invalidate_state(cs->c.device, STATE_TEXTURESTAGE(op->stage, WINED3D_TSS_ALPHA_OP));
        }

        if (!op->stage && prev->async.color_key_flags & WINED3D_CKEY_SRC_BLT)
            old_use_color_key = TRUE;
    }

    device_invalidate_state(cs->c.device, STATE_SAMPLER(op->stage));

    if (new_use_color_key != old_use_color_key)
        device_invalidate_state(cs->c.device, STATE_RENDER(WINED3D_RS_COLORKEYENABLE));

    if (new_use_color_key)
        device_invalidate_state(cs->c.device, STATE_COLOR_KEY);
}

void wined3d_device_context_emit_set_texture(struct wined3d_device_context *context, unsigned int stage,
        struct wined3d_texture *texture)
{
    struct wined3d_cs_set_texture *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_TEXTURE;
    op->stage = stage;
    op->texture = texture;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_shader_resource_views(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_shader_resource_views *op = data;
    unsigned int i;

    for (i = 0; i < op->count; ++i)
    {
        struct wined3d_shader_resource_view *prev = cs->state.shader_resource_view[op->type][op->start_idx + i];
        struct wined3d_shader_resource_view *view = op->views[i];

        cs->state.shader_resource_view[op->type][op->start_idx + i] = view;

        if (view)
            InterlockedIncrement(&view->resource->bind_count);
        if (prev)
            InterlockedDecrement(&prev->resource->bind_count);
    }

    if (op->type != WINED3D_SHADER_TYPE_COMPUTE)
        device_invalidate_state(cs->c.device, STATE_GRAPHICS_SHADER_RESOURCE_BINDING);
    else
        device_invalidate_state(cs->c.device, STATE_COMPUTE_SHADER_RESOURCE_BINDING);
}

void wined3d_device_context_emit_set_shader_resource_views(struct wined3d_device_context *context,
        enum wined3d_shader_type type, unsigned int start_idx, unsigned int count,
        struct wined3d_shader_resource_view *const *views)
{
    struct wined3d_cs_set_shader_resource_views *op;

    op = wined3d_device_context_require_space(context,
            offsetof(struct wined3d_cs_set_shader_resource_views, views[count]), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_SHADER_RESOURCE_VIEWS;
    op->type = type;
    op->start_idx = start_idx;
    op->count = count;
    memcpy(op->views, views, count * sizeof(*views));

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_unordered_access_views(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_unordered_access_views *op = data;
    unsigned int i;

    for (i = 0; i < op->count; ++i)
    {
        struct wined3d_unordered_access_view *prev = cs->state.unordered_access_view[op->pipeline][op->start_idx + i];
        struct wined3d_unordered_access_view *view = op->uavs[i].view;
        unsigned int initial_count = op->uavs[i].initial_count;

        cs->state.unordered_access_view[op->pipeline][op->start_idx + i] = view;

        if (view)
            InterlockedIncrement(&view->resource->bind_count);
        if (prev)
            InterlockedDecrement(&prev->resource->bind_count);

        if (view && initial_count != ~0u)
            wined3d_unordered_access_view_set_counter(view, initial_count);
    }

    device_invalidate_state(cs->c.device, STATE_UNORDERED_ACCESS_VIEW_BINDING(op->pipeline));
}

void wined3d_device_context_emit_set_unordered_access_views(struct wined3d_device_context *context,
        enum wined3d_pipeline pipeline, unsigned int start_idx, unsigned int count,
        struct wined3d_unordered_access_view *const *views, const unsigned int *initial_counts)
{
    struct wined3d_cs_set_unordered_access_views *op;
    unsigned int i;

    op = wined3d_device_context_require_space(context,
            offsetof(struct wined3d_cs_set_unordered_access_views, uavs[count]), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_UNORDERED_ACCESS_VIEWS;
    op->pipeline = pipeline;
    op->start_idx = start_idx;
    op->count = count;
    for (i = 0; i < count; ++i)
    {
        op->uavs[i].view = views[i];
        op->uavs[i].initial_count = initial_counts ? initial_counts[i] : ~0u;
    }

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_samplers(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_samplers *op = data;
    unsigned int i;

    for (i = 0; i < op->count; ++i)
        cs->state.sampler[op->type][op->start_idx + i] = op->samplers[i];

    if (op->type != WINED3D_SHADER_TYPE_COMPUTE)
        device_invalidate_state(cs->c.device, STATE_GRAPHICS_SHADER_RESOURCE_BINDING);
    else
        device_invalidate_state(cs->c.device, STATE_COMPUTE_SHADER_RESOURCE_BINDING);
}

void wined3d_device_context_emit_set_samplers(struct wined3d_device_context *context, enum wined3d_shader_type type,
        unsigned int start_idx, unsigned int count, struct wined3d_sampler *const *samplers)
{
    struct wined3d_cs_set_samplers *op;

    op = wined3d_device_context_require_space(context, offsetof(struct wined3d_cs_set_samplers, samplers[count]),
            WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_SAMPLERS;
    op->type = type;
    op->start_idx = start_idx;
    op->count = count;
    memcpy(op->samplers, samplers, count * sizeof(*samplers));

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_shader(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_shader *op = data;

    cs->state.shader[op->type] = op->shader;
    device_invalidate_state(cs->c.device, STATE_SHADER(op->type));
    if (op->type != WINED3D_SHADER_TYPE_COMPUTE)
        device_invalidate_state(cs->c.device, STATE_GRAPHICS_SHADER_RESOURCE_BINDING);
    else
        device_invalidate_state(cs->c.device, STATE_COMPUTE_SHADER_RESOURCE_BINDING);
}

void wined3d_device_context_emit_set_shader(struct wined3d_device_context *context,
        enum wined3d_shader_type type, struct wined3d_shader *shader)
{
    struct wined3d_cs_set_shader *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_SHADER;
    op->type = type;
    op->shader = shader;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_blend_state(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_blend_state *op = data;
    struct wined3d_state *state = &cs->state;

    if (state->blend_state != op->state)
    {
        state->blend_state = op->state;
        device_invalidate_state(cs->c.device, STATE_BLEND);
    }
    state->blend_factor = op->factor;
    device_invalidate_state(cs->c.device, STATE_BLEND_FACTOR);
    state->sample_mask = op->sample_mask;
    device_invalidate_state(cs->c.device, STATE_SAMPLE_MASK);
}

void wined3d_device_context_emit_set_blend_state(struct wined3d_device_context *context,
        struct wined3d_blend_state *state, const struct wined3d_color *blend_factor, unsigned int sample_mask)
{
    struct wined3d_cs_set_blend_state *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_BLEND_STATE;
    op->state = state;
    op->factor = *blend_factor;
    op->sample_mask = sample_mask;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_depth_stencil_state(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_depth_stencil_state *op = data;
    struct wined3d_state *state = &cs->state;

    if (state->depth_stencil_state != op->state)
    {
        state->depth_stencil_state = op->state;
        device_invalidate_state(cs->c.device, STATE_DEPTH_STENCIL);
    }
    state->stencil_ref = op->stencil_ref;
    device_invalidate_state(cs->c.device, STATE_STENCIL_REF);
}

void wined3d_device_context_emit_set_depth_stencil_state(struct wined3d_device_context *context,
        struct wined3d_depth_stencil_state *state, unsigned int stencil_ref)
{
    struct wined3d_cs_set_depth_stencil_state *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_DEPTH_STENCIL_STATE;
    op->state = state;
    op->stencil_ref = stencil_ref;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_rasterizer_state(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_rasterizer_state *op = data;

    cs->state.rasterizer_state = op->state;
    device_invalidate_state(cs->c.device, STATE_RASTERIZER);
}

void wined3d_device_context_emit_set_rasterizer_state(struct wined3d_device_context *context,
        struct wined3d_rasterizer_state *rasterizer_state)
{
    struct wined3d_cs_set_rasterizer_state *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_RASTERIZER_STATE;
    op->state = rasterizer_state;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_render_state(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_render_state *op = data;

    cs->state.render_states[op->state] = op->value;
    device_invalidate_state(cs->c.device, STATE_RENDER(op->state));
}

void wined3d_device_context_emit_set_render_state(struct wined3d_device_context *context,
        enum wined3d_render_state state, unsigned int value)
{
    struct wined3d_cs_set_render_state *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_RENDER_STATE;
    op->state = state;
    op->value = value;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_texture_state(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_texture_state *op = data;

    cs->state.texture_states[op->stage][op->state] = op->value;
    device_invalidate_state(cs->c.device, STATE_TEXTURESTAGE(op->stage, op->state));
}

void wined3d_device_context_emit_set_texture_state(struct wined3d_device_context *context, unsigned int stage,
        enum wined3d_texture_stage_state state, unsigned int value)
{
    struct wined3d_cs_set_texture_state *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_TEXTURE_STATE;
    op->stage = stage;
    op->state = state;
    op->value = value;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_sampler_state(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_sampler_state *op = data;

    cs->state.sampler_states[op->sampler_idx][op->state] = op->value;
    device_invalidate_state(cs->c.device, STATE_SAMPLER(op->sampler_idx));
}

void wined3d_device_context_emit_set_sampler_state(struct wined3d_device_context *context, unsigned int sampler_idx,
        enum wined3d_sampler_state state, unsigned int value)
{
    struct wined3d_cs_set_sampler_state *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_SAMPLER_STATE;
    op->sampler_idx = sampler_idx;
    op->state = state;
    op->value = value;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_transform(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_transform *op = data;

    cs->state.transforms[op->state] = op->matrix;
    if (op->state < WINED3D_TS_WORLD_MATRIX(cs->c.device->adapter->d3d_info.limits.ffp_vertex_blend_matrices))
        device_invalidate_state(cs->c.device, STATE_TRANSFORM(op->state));
}

void wined3d_device_context_emit_set_transform(struct wined3d_device_context *context,
        enum wined3d_transform_state state, const struct wined3d_matrix *matrix)
{
    struct wined3d_cs_set_transform *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_TRANSFORM;
    op->state = state;
    op->matrix = *matrix;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_clip_plane(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_clip_plane *op = data;

    cs->state.clip_planes[op->plane_idx] = op->plane;
    device_invalidate_state(cs->c.device, STATE_CLIPPLANE(op->plane_idx));
}

void wined3d_device_context_emit_set_clip_plane(struct wined3d_device_context *context,
        unsigned int plane_idx, const struct wined3d_vec4 *plane)
{
    struct wined3d_cs_set_clip_plane *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_CLIP_PLANE;
    op->plane_idx = plane_idx;
    op->plane = *plane;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_color_key(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_color_key *op = data;
    struct wined3d_texture *texture = op->texture;

    if (op->set)
    {
        switch (op->flags)
        {
            case WINED3D_CKEY_DST_BLT:
                texture->async.dst_blt_color_key = op->color_key;
                texture->async.color_key_flags |= WINED3D_CKEY_DST_BLT;
                break;

            case WINED3D_CKEY_DST_OVERLAY:
                texture->async.dst_overlay_color_key = op->color_key;
                texture->async.color_key_flags |= WINED3D_CKEY_DST_OVERLAY;
                break;

            case WINED3D_CKEY_SRC_BLT:
                if (texture == cs->state.textures[0])
                {
                    device_invalidate_state(cs->c.device, STATE_COLOR_KEY);
                    if (!(texture->async.color_key_flags & WINED3D_CKEY_SRC_BLT))
                        device_invalidate_state(cs->c.device, STATE_RENDER(WINED3D_RS_COLORKEYENABLE));
                }

                texture->async.src_blt_color_key = op->color_key;
                texture->async.color_key_flags |= WINED3D_CKEY_SRC_BLT;
                break;

            case WINED3D_CKEY_SRC_OVERLAY:
                texture->async.src_overlay_color_key = op->color_key;
                texture->async.color_key_flags |= WINED3D_CKEY_SRC_OVERLAY;
                break;
        }
    }
    else
    {
        switch (op->flags)
        {
            case WINED3D_CKEY_DST_BLT:
                texture->async.color_key_flags &= ~WINED3D_CKEY_DST_BLT;
                break;

            case WINED3D_CKEY_DST_OVERLAY:
                texture->async.color_key_flags &= ~WINED3D_CKEY_DST_OVERLAY;
                break;

            case WINED3D_CKEY_SRC_BLT:
                if (texture == cs->state.textures[0] && texture->async.color_key_flags & WINED3D_CKEY_SRC_BLT)
                    device_invalidate_state(cs->c.device, STATE_RENDER(WINED3D_RS_COLORKEYENABLE));

                texture->async.color_key_flags &= ~WINED3D_CKEY_SRC_BLT;
                break;

            case WINED3D_CKEY_SRC_OVERLAY:
                texture->async.color_key_flags &= ~WINED3D_CKEY_SRC_OVERLAY;
                break;
        }
    }
}

void wined3d_cs_emit_set_color_key(struct wined3d_cs *cs, struct wined3d_texture *texture,
        WORD flags, const struct wined3d_color_key *color_key)
{
    struct wined3d_cs_set_color_key *op;

    op = wined3d_device_context_require_space(&cs->c, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_COLOR_KEY;
    op->texture = texture;
    op->flags = flags;
    if (color_key)
    {
        op->color_key = *color_key;
        op->set = 1;
    }
    else
        op->set = 0;

    wined3d_device_context_submit(&cs->c, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_material(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_material *op = data;

    cs->state.material = op->material;
    device_invalidate_state(cs->c.device, STATE_MATERIAL);
}

void wined3d_device_context_emit_set_material(struct wined3d_device_context *context,
        const struct wined3d_material *material)
{
    struct wined3d_cs_set_material *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_MATERIAL;
    op->material = *material;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_light(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_light *op = data;
    struct wined3d_light_info *light_info;
    unsigned int light_idx, hash_idx;

    light_idx = op->light.OriginalIndex;

    if (!(light_info = wined3d_light_state_get_light(&cs->state.light_state, light_idx)))
    {
        TRACE("Adding new light.\n");
        if (!(light_info = heap_alloc_zero(sizeof(*light_info))))
        {
            ERR("Failed to allocate light info.\n");
            return;
        }

        hash_idx = LIGHTMAP_HASHFUNC(light_idx);
        list_add_head(&cs->state.light_state.light_map[hash_idx], &light_info->entry);
        light_info->glIndex = -1;
        light_info->OriginalIndex = light_idx;
    }

    if (light_info->glIndex != -1)
    {
        if (light_info->OriginalParms.type != op->light.OriginalParms.type)
            device_invalidate_state(cs->c.device, STATE_LIGHT_TYPE);
        device_invalidate_state(cs->c.device, STATE_ACTIVELIGHT(light_info->glIndex));
    }

    light_info->OriginalParms = op->light.OriginalParms;
    light_info->position = op->light.position;
    light_info->direction = op->light.direction;
    light_info->exponent = op->light.exponent;
    light_info->cutoff = op->light.cutoff;
}

void wined3d_device_context_emit_set_light(struct wined3d_device_context *context,
        const struct wined3d_light_info *light)
{
    struct wined3d_cs_set_light *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_LIGHT;
    op->light = *light;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_light_enable(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_light_enable *op = data;
    struct wined3d_device *device = cs->c.device;
    struct wined3d_light_info *light_info;
    int prev_idx;

    if (!(light_info = wined3d_light_state_get_light(&cs->state.light_state, op->idx)))
    {
        ERR("Light doesn't exist.\n");
        return;
    }

    prev_idx = light_info->glIndex;
    wined3d_light_state_enable_light(&cs->state.light_state, &device->adapter->d3d_info, light_info, op->enable);
    if (light_info->glIndex != prev_idx)
    {
        device_invalidate_state(device, STATE_LIGHT_TYPE);
        device_invalidate_state(device, STATE_ACTIVELIGHT(op->enable ? light_info->glIndex : prev_idx));
    }
}

void wined3d_device_context_emit_set_light_enable(struct wined3d_device_context *context, unsigned int idx, BOOL enable)
{
    struct wined3d_cs_set_light_enable *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_LIGHT_ENABLE;
    op->idx = idx;
    op->enable = enable;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_set_feature_level(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_set_feature_level *op = data;

    cs->state.feature_level = op->level;
}

void wined3d_device_context_emit_set_feature_level(struct wined3d_device_context *context,
        enum wined3d_feature_level level)
{
    struct wined3d_cs_set_feature_level *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_SET_FEATURE_LEVEL;
    op->level = level;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static const struct
{
    size_t offset;
    size_t size;
    DWORD mask;
}
wined3d_cs_push_constant_info[] =
{
    /* WINED3D_PUSH_CONSTANTS_VS_F */
    {FIELD_OFFSET(struct wined3d_state, vs_consts_f), sizeof(struct wined3d_vec4),  WINED3D_SHADER_CONST_VS_F},
    /* WINED3D_PUSH_CONSTANTS_PS_F */
    {FIELD_OFFSET(struct wined3d_state, ps_consts_f), sizeof(struct wined3d_vec4),  WINED3D_SHADER_CONST_PS_F},
    /* WINED3D_PUSH_CONSTANTS_VS_I */
    {FIELD_OFFSET(struct wined3d_state, vs_consts_i), sizeof(struct wined3d_ivec4), WINED3D_SHADER_CONST_VS_I},
    /* WINED3D_PUSH_CONSTANTS_PS_I */
    {FIELD_OFFSET(struct wined3d_state, ps_consts_i), sizeof(struct wined3d_ivec4), WINED3D_SHADER_CONST_PS_I},
    /* WINED3D_PUSH_CONSTANTS_VS_B */
    {FIELD_OFFSET(struct wined3d_state, vs_consts_b), sizeof(BOOL),                 WINED3D_SHADER_CONST_VS_B},
    /* WINED3D_PUSH_CONSTANTS_PS_B */
    {FIELD_OFFSET(struct wined3d_state, ps_consts_b), sizeof(BOOL),                 WINED3D_SHADER_CONST_PS_B},
};

static void wined3d_cs_st_push_constants(struct wined3d_device_context *context, enum wined3d_push_constants p,
        unsigned int start_idx, unsigned int count, const void *constants)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);
    struct wined3d_device *device = cs->c.device;
    unsigned int context_count;
    unsigned int i;
    size_t offset;

    if (p == WINED3D_PUSH_CONSTANTS_VS_F)
        device->shader_backend->shader_update_float_vertex_constants(device, start_idx, count);
    else if (p == WINED3D_PUSH_CONSTANTS_PS_F)
        device->shader_backend->shader_update_float_pixel_constants(device, start_idx, count);

    offset = wined3d_cs_push_constant_info[p].offset + start_idx * wined3d_cs_push_constant_info[p].size;
    memcpy((BYTE *)&cs->state + offset, constants, count * wined3d_cs_push_constant_info[p].size);
    for (i = 0, context_count = device->context_count; i < context_count; ++i)
    {
        device->contexts[i]->constant_update_mask |= wined3d_cs_push_constant_info[p].mask;
    }
}

static void wined3d_cs_exec_push_constants(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_push_constants *op = data;

    wined3d_cs_st_push_constants(&cs->c, op->type, op->start_idx, op->count, op->constants);
}

static void wined3d_cs_mt_push_constants(struct wined3d_device_context *context, enum wined3d_push_constants p,
        unsigned int start_idx, unsigned int count, const void *constants)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);
    struct wined3d_cs_push_constants *op;
    size_t size;

    size = count * wined3d_cs_push_constant_info[p].size;
    op = wined3d_device_context_require_space(&cs->c, FIELD_OFFSET(struct wined3d_cs_push_constants, constants[size]),
            WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_PUSH_CONSTANTS;
    op->type = p;
    op->start_idx = start_idx;
    op->count = count;
    memcpy(op->constants, constants, size);

    wined3d_device_context_submit(&cs->c, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_reset_state(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_device *device = cs->c.device;
    const struct wined3d_cs_reset_state *op = data;
    const struct wined3d_state_entry *state_table;
    unsigned int state;

    state_cleanup(&cs->state);
    wined3d_state_reset(&cs->state, &device->adapter->d3d_info);
    if (op->invalidate)
    {
        state_table = device->state_table;
        for (state = 0; state <= STATE_HIGHEST; ++state)
        {
            if (state_table[state].representative)
                device_invalidate_state(device, state);
        }
    }
}

void wined3d_device_context_emit_reset_state(struct wined3d_device_context *context, bool invalidate)
{
    struct wined3d_cs_reset_state *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_RESET_STATE;
    op->invalidate = invalidate;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_callback(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_callback *op = data;

    op->callback(op->object);
}

static void wined3d_cs_emit_callback(struct wined3d_cs *cs, void (*callback)(void *object), void *object)
{
    struct wined3d_cs_callback *op;

    op = wined3d_device_context_require_space(&cs->c, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_CALLBACK;
    op->callback = callback;
    op->object = object;

    wined3d_device_context_submit(&cs->c, WINED3D_CS_QUEUE_DEFAULT);
}

void wined3d_cs_destroy_object(struct wined3d_cs *cs, void (*callback)(void *object), void *object)
{
    wined3d_cs_emit_callback(cs, callback, object);
}

void wined3d_cs_init_object(struct wined3d_cs *cs, void (*callback)(void *object), void *object)
{
    wined3d_cs_emit_callback(cs, callback, object);
}

static void wined3d_cs_exec_query_issue(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_query_issue *op = data;
    struct wined3d_query *query = op->query;
    BOOL poll;

    poll = query->query_ops->query_issue(query, op->flags);

    if (!cs->thread)
        return;

    if (poll && list_empty(&query->poll_list_entry))
    {
        if (query->buffer_object)
            InterlockedIncrement(&query->counter_retrieved);
        else
            list_add_tail(&cs->query_poll_list, &query->poll_list_entry);
        return;
    }

    /* This can happen if occlusion queries are restarted. This discards the
     * old result, since polling it could result in a GL error. */
    if ((op->flags & WINED3DISSUE_BEGIN) && !poll && !list_empty(&query->poll_list_entry))
    {
        list_remove(&query->poll_list_entry);
        list_init(&query->poll_list_entry);
        InterlockedIncrement(&query->counter_retrieved);
        return;
    }

    /* This can happen when an occlusion query is ended without being started,
     * in which case we don't want to poll, but still have to counter-balance
     * the increment of the main counter.
     *
     * This can also happen if an event query is re-issued before the first
     * fence was reached. In this case the query is already in the list and
     * the poll function will check the new fence. We have to counter-balance
     * the discarded increment. */
    if (op->flags & WINED3DISSUE_END)
        InterlockedIncrement(&query->counter_retrieved);
}

static void wined3d_cs_issue_query(struct wined3d_device_context *context,
        struct wined3d_query *query, unsigned int flags)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);
    struct wined3d_cs_query_issue *op;

    if (flags & WINED3DISSUE_END)
        ++query->counter_main;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_QUERY_ISSUE;
    op->query = query;
    op->flags = flags;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
    cs->queries_flushed = FALSE;

    if (flags & WINED3DISSUE_BEGIN)
        query->state = QUERY_BUILDING;
    else
        query->state = QUERY_SIGNALLED;
}

static void wined3d_cs_acquire_command_list(struct wined3d_device_context *context, struct wined3d_command_list *list)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);
    SIZE_T i;

    if (list->query_count)
    {
        cs->queries_flushed = FALSE;

        for (i = 0; i < list->query_count; ++i)
        {
            if (list->queries[i].flags & WINED3DISSUE_END)
            {
                list->queries[i].query->counter_main++;
                list->queries[i].query->state = QUERY_SIGNALLED;
            }
            else
            {
                list->queries[i].query->state = QUERY_BUILDING;
            }
        }
    }

    for (i = 0; i < list->resource_count; ++i)
        wined3d_resource_acquire(list->resources[i]);

    for (i = 0; i < list->command_list_count; ++i)
        wined3d_cs_acquire_command_list(context, list->command_lists[i]);

    for (i = 0; i < list->upload_count; ++i)
        invalidate_client_address(list->uploads[i].resource);
}

static void wined3d_cs_exec_preload_resource(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_preload_resource *op = data;
    struct wined3d_resource *resource = op->resource;

    resource->resource_ops->resource_preload(resource);
    wined3d_resource_release(resource);
}

void wined3d_cs_emit_preload_resource(struct wined3d_cs *cs, struct wined3d_resource *resource)
{
    struct wined3d_cs_preload_resource *op;

    op = wined3d_device_context_require_space(&cs->c, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_PRELOAD_RESOURCE;
    op->resource = resource;

    wined3d_resource_acquire(resource);

    wined3d_device_context_submit(&cs->c, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_unload_resource(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_unload_resource *op = data;
    struct wined3d_resource *resource = op->resource;

    resource->resource_ops->resource_unload(resource);
    wined3d_resource_release(resource);
}

void wined3d_cs_emit_unload_resource(struct wined3d_cs *cs, struct wined3d_resource *resource)
{
    struct wined3d_cs_unload_resource *op;

    invalidate_client_address(resource);

    op = wined3d_device_context_require_space(&cs->c, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_UNLOAD_RESOURCE;
    op->resource = resource;

    wined3d_resource_acquire(resource);

    wined3d_device_context_submit(&cs->c, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_device_context_upload_bo(struct wined3d_device_context *context,
        struct wined3d_resource *resource, unsigned int sub_resource_idx, const struct wined3d_box *box,
        const struct upload_bo *bo, unsigned int row_pitch, unsigned int slice_pitch)
{
    struct wined3d_cs_update_sub_resource *op;

    TRACE("context %p, resource %p, sub_resource_idx %u, box %s, bo %s, flags %#x, row_pitch %u, slice_pitch %u.\n",
            context, resource, sub_resource_idx, debug_box(box),
            debug_const_bo_address(&bo->addr), bo->flags, row_pitch, slice_pitch);

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_UPDATE_SUB_RESOURCE;
    op->resource = resource;
    op->sub_resource_idx = sub_resource_idx;
    op->box = *box;
    op->bo = *bo;
    op->row_pitch = row_pitch;
    op->slice_pitch = slice_pitch;

    wined3d_device_context_acquire_resource(context, resource);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_map(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_map *op = data;
    struct wined3d_resource *resource = op->resource;

    *op->hr = resource->resource_ops->resource_sub_resource_map(resource,
            op->sub_resource_idx, op->map_ptr, op->box, op->flags);
}

HRESULT wined3d_device_context_emit_map(struct wined3d_device_context *context,
        struct wined3d_resource *resource, unsigned int sub_resource_idx,
        struct wined3d_map_desc *map_desc, const struct wined3d_box *box, unsigned int flags)
{
    struct wined3d_cs_map *op;
    HRESULT hr;

    /* Mapping resources from the worker thread isn't an issue by itself, but
     * increasing the map count would be visible to applications. */
    wined3d_not_from_cs(context->device->cs);

    if ((flags & (WINED3D_MAP_DISCARD | WINED3D_MAP_NOOVERWRITE))
            && context->ops->map_upload_bo(context, resource, sub_resource_idx, map_desc, box, flags))
    {
        TRACE("Returning map pointer %p, row pitch %u, slice pitch %u.\n",
                map_desc->data, map_desc->row_pitch, map_desc->slice_pitch);
        return WINED3D_OK;
    }

    wined3d_resource_wait_idle(resource);

    /* We might end up invalidating the resource on the CS thread. */
    invalidate_client_address(resource);

    if (!(op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_MAP)))
        return E_OUTOFMEMORY;
    op->opcode = WINED3D_CS_OP_MAP;
    op->resource = resource;
    op->sub_resource_idx = sub_resource_idx;
    op->map_ptr = &map_desc->data;
    op->box = box;
    op->flags = flags;
    op->hr = &hr;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_MAP);
    wined3d_device_context_finish(context, WINED3D_CS_QUEUE_MAP);

    if (SUCCEEDED(hr))
        wined3d_resource_get_sub_resource_map_pitch(resource, sub_resource_idx,
                &map_desc->row_pitch, &map_desc->slice_pitch);
    return hr;
}

static void wined3d_cs_exec_unmap(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_unmap *op = data;
    struct wined3d_resource *resource = op->resource;

    *op->hr = resource->resource_ops->resource_sub_resource_unmap(resource, op->sub_resource_idx);
}

HRESULT wined3d_device_context_emit_unmap(struct wined3d_device_context *context,
        struct wined3d_resource *resource, unsigned int sub_resource_idx)
{
    struct wined3d_cs_unmap *op;
    struct wined3d_box box;
    struct upload_bo bo;
    HRESULT hr;

    if (context->ops->unmap_upload_bo(context, resource, sub_resource_idx, &box, &bo))
    {
        unsigned int row_pitch, slice_pitch;

        wined3d_resource_get_sub_resource_map_pitch(resource, sub_resource_idx, &row_pitch, &slice_pitch);
        if (bo.flags & UPLOAD_BO_UPLOAD_ON_UNMAP)
            wined3d_device_context_upload_bo(context, resource, sub_resource_idx, &box, &bo, row_pitch, slice_pitch);
        return WINED3D_OK;
    }

    wined3d_not_from_cs(context->device->cs);

    if (!(op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_MAP)))
        return E_OUTOFMEMORY;
    op->opcode = WINED3D_CS_OP_UNMAP;
    op->resource = resource;
    op->sub_resource_idx = sub_resource_idx;
    op->hr = &hr;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_MAP);
    wined3d_device_context_finish(context, WINED3D_CS_QUEUE_MAP);

    return hr;
}

static void wined3d_cs_exec_blt_sub_resource(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_blt_sub_resource *op = data;

    if (op->dst_resource->type == WINED3D_RTYPE_BUFFER)
    {
        wined3d_buffer_copy(buffer_from_resource(op->dst_resource), op->dst_box.left,
                buffer_from_resource(op->src_resource), op->src_box.left,
                op->src_box.right - op->src_box.left);
    }
    else if (op->dst_resource->type == WINED3D_RTYPE_TEXTURE_3D)
    {
        struct wined3d_texture *src_texture, *dst_texture;
        unsigned int level, update_w, update_h, update_d;
        unsigned int row_pitch, slice_pitch;
        struct wined3d_context *context;
        struct wined3d_bo_address addr;
        unsigned int location;

        if (op->flags & ~WINED3D_BLT_RAW)
        {
            FIXME("Flags %#x not implemented for %s resources.\n",
                    op->flags, debug_d3dresourcetype(op->dst_resource->type));
            goto error;
        }

        if (!(op->flags & WINED3D_BLT_RAW) && op->src_resource->format != op->dst_resource->format)
        {
            FIXME("Format conversion not implemented for %s resources.\n",
                    debug_d3dresourcetype(op->dst_resource->type));
            goto error;
        }

        update_w = op->dst_box.right - op->dst_box.left;
        update_h = op->dst_box.bottom - op->dst_box.top;
        update_d = op->dst_box.back - op->dst_box.front;
        if (op->src_box.right - op->src_box.left != update_w
                || op->src_box.bottom - op->src_box.top != update_h
                || op->src_box.back - op->src_box.front != update_d)
        {
            FIXME("Stretching not implemented for %s resources.\n",
                    debug_d3dresourcetype(op->dst_resource->type));
            goto error;
        }

        dst_texture = texture_from_resource(op->dst_resource);
        src_texture = texture_from_resource(op->src_resource);

        context = context_acquire(cs->c.device, NULL, 0);

        location = src_texture->resource.map_binding;
        if (location == WINED3D_LOCATION_SYSMEM
                && wined3d_texture_can_use_pbo(src_texture, &context->device->adapter->d3d_info))
            location = WINED3D_LOCATION_BUFFER;

        if (!wined3d_texture_load_location(src_texture, op->src_sub_resource_idx,
                context, location))
        {
            ERR("Failed to load source sub-resource into %s.\n",
                    wined3d_debug_location(location));
            context_release(context);
            goto error;
        }

        level = op->dst_sub_resource_idx % dst_texture->level_count;
        if (update_w == wined3d_texture_get_level_width(dst_texture, level)
                && update_h == wined3d_texture_get_level_height(dst_texture, level)
                && update_d == wined3d_texture_get_level_depth(dst_texture, level))
        {
            wined3d_texture_prepare_location(dst_texture, op->dst_sub_resource_idx,
                    context, WINED3D_LOCATION_TEXTURE_RGB);
        }
        else if (!wined3d_texture_load_location(dst_texture, op->dst_sub_resource_idx,
                context, WINED3D_LOCATION_TEXTURE_RGB))
        {
            ERR("Failed to load destination sub-resource.\n");
            context_release(context);
            goto error;
        }

        wined3d_texture_get_memory(src_texture, op->src_sub_resource_idx, &addr, location);
        wined3d_texture_get_pitch(src_texture, op->src_sub_resource_idx % src_texture->level_count,
                &row_pitch, &slice_pitch);

        dst_texture->texture_ops->texture_upload_data(context, wined3d_const_bo_address(&addr),
                dst_texture->resource.format, &op->src_box, row_pitch, slice_pitch, dst_texture,
                op->dst_sub_resource_idx, WINED3D_LOCATION_TEXTURE_RGB,
                op->dst_box.left, op->dst_box.top, op->dst_box.front);
        wined3d_texture_validate_location(dst_texture, op->dst_sub_resource_idx, WINED3D_LOCATION_TEXTURE_RGB);
        wined3d_texture_invalidate_location(dst_texture, op->dst_sub_resource_idx, ~WINED3D_LOCATION_TEXTURE_RGB);

        context_release(context);
    }
    else
    {
        if (FAILED(texture2d_blt(texture_from_resource(op->dst_resource), op->dst_sub_resource_idx,
                &op->dst_box, texture_from_resource(op->src_resource), op->src_sub_resource_idx,
                &op->src_box, op->flags, &op->fx, op->filter)))
            FIXME("Blit failed.\n");
    }

error:
    if (op->src_resource)
        wined3d_resource_release(op->src_resource);
    wined3d_resource_release(op->dst_resource);
}

void wined3d_device_context_emit_blt_sub_resource(struct wined3d_device_context *context,
        struct wined3d_resource *dst_resource, unsigned int dst_sub_resource_idx, const struct wined3d_box *dst_box,
        struct wined3d_resource *src_resource, unsigned int src_sub_resource_idx, const struct wined3d_box *src_box,
        unsigned int flags, const struct wined3d_blt_fx *fx, enum wined3d_texture_filter_type filter)
{
    struct wined3d_cs_blt_sub_resource *op;

    /* If we are replacing the whole resource, the CS thread might discard and
     * rename the buffer object, in which case ours is no longer valid. */
    if (dst_resource->type == WINED3D_RTYPE_BUFFER && dst_box->right - dst_box->left == dst_resource->size)
        invalidate_client_address(dst_resource);

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_BLT_SUB_RESOURCE;
    op->dst_resource = dst_resource;
    op->dst_sub_resource_idx = dst_sub_resource_idx;
    op->dst_box = *dst_box;
    op->src_resource = src_resource;
    op->src_sub_resource_idx = src_sub_resource_idx;
    op->src_box = *src_box;
    op->flags = flags;
    if (fx)
        op->fx = *fx;
    else
        memset(&op->fx, 0, sizeof(op->fx));
    op->filter = filter;

    wined3d_device_context_acquire_resource(context, dst_resource);
    if (src_resource)
        wined3d_device_context_acquire_resource(context, src_resource);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
    if (flags & WINED3D_BLT_SYNCHRONOUS)
        wined3d_device_context_finish(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_update_sub_resource(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_update_sub_resource *op = data;
    struct wined3d_resource *resource = op->resource;
    const struct wined3d_box *box = &op->box;
    unsigned int width, height, depth, level;
    struct wined3d_context *context;
    struct wined3d_texture *texture;
    struct wined3d_box src_box;

    context = context_acquire(cs->c.device, NULL, 0);

    if (resource->type == WINED3D_RTYPE_BUFFER)
    {
        struct wined3d_buffer *buffer = buffer_from_resource(resource);
        size_t size = box->right - box->left;

        if (op->bo.addr.buffer_object && op->bo.addr.buffer_object == buffer->buffer_object)
            wined3d_context_flush_bo_address(context, &op->bo.addr, size);
        else
            wined3d_buffer_copy_bo_address(buffer, context, box->left, &op->bo.addr, size);
        goto done;
    }

    texture = wined3d_texture_from_resource(resource);

    level = op->sub_resource_idx % texture->level_count;
    width = wined3d_texture_get_level_width(texture, level);
    height = wined3d_texture_get_level_height(texture, level);
    depth = wined3d_texture_get_level_depth(texture, level);

    /* Only load the sub-resource for partial updates. */
    if (!box->left && !box->top && !box->front
            && box->right == width && box->bottom == height && box->back == depth)
        wined3d_texture_prepare_location(texture, op->sub_resource_idx, context, WINED3D_LOCATION_TEXTURE_RGB);
    else
        wined3d_texture_load_location(texture, op->sub_resource_idx, context, WINED3D_LOCATION_TEXTURE_RGB);

    wined3d_box_set(&src_box, 0, 0, box->right - box->left, box->bottom - box->top, 0, box->back - box->front);
    texture->texture_ops->texture_upload_data(context, &op->bo.addr, texture->resource.format, &src_box,
            op->row_pitch, op->slice_pitch, texture, op->sub_resource_idx,
            WINED3D_LOCATION_TEXTURE_RGB, box->left, box->top, box->front);

    wined3d_texture_validate_location(texture, op->sub_resource_idx, WINED3D_LOCATION_TEXTURE_RGB);
    wined3d_texture_invalidate_location(texture, op->sub_resource_idx, ~WINED3D_LOCATION_TEXTURE_RGB);

done:
    context_release(context);

    wined3d_resource_release(resource);
}

void wined3d_device_context_emit_update_sub_resource(struct wined3d_device_context *context,
        struct wined3d_resource *resource, unsigned int sub_resource_idx, const struct wined3d_box *box,
        const void *data, unsigned int row_pitch, unsigned int slice_pitch)
{
    struct wined3d_cs_update_sub_resource *op;
    struct wined3d_map_desc map_desc;
    struct wined3d_box dummy_box;
    struct upload_bo bo;

    /* If we are replacing the whole resource, the CS thread might discard and
     * rename the buffer object, in which case ours is no longer valid. */
    if (resource->type == WINED3D_RTYPE_BUFFER && box->right - box->left == resource->size)
        invalidate_client_address(resource);

    if (context->ops->map_upload_bo(context, resource, sub_resource_idx, &map_desc, box, WINED3D_MAP_WRITE))
    {
        wined3d_format_copy_data(resource->format, data, row_pitch, slice_pitch, map_desc.data, map_desc.row_pitch,
                map_desc.slice_pitch, box->right - box->left, box->bottom - box->top, box->back - box->front);
        context->ops->unmap_upload_bo(context, resource, sub_resource_idx, &dummy_box, &bo);
        wined3d_device_context_upload_bo(context, resource, sub_resource_idx,
                box, &bo, map_desc.row_pitch, map_desc.slice_pitch);
        return;
    }

    wined3d_resource_wait_idle(resource);

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_MAP);
    op->opcode = WINED3D_CS_OP_UPDATE_SUB_RESOURCE;
    op->resource = resource;
    op->sub_resource_idx = sub_resource_idx;
    op->box = *box;
    op->bo.addr.buffer_object = 0;
    op->bo.addr.addr = data;
    op->bo.flags = 0;
    op->row_pitch = row_pitch;
    op->slice_pitch = slice_pitch;

    wined3d_device_context_acquire_resource(context, resource);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_MAP);
    /* The data pointer may go away, so we need to wait until it is read.
     * Copying the data may be faster if it's small. */
    wined3d_device_context_finish(context, WINED3D_CS_QUEUE_MAP);
}

static void wined3d_cs_exec_add_dirty_texture_region(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_add_dirty_texture_region *op = data;
    struct wined3d_texture *texture = op->texture;
    unsigned int sub_resource_idx, i;
    struct wined3d_context *context;

    context = context_acquire(cs->c.device, NULL, 0);
    sub_resource_idx = op->layer * texture->level_count;
    for (i = 0; i < texture->level_count; ++i, ++sub_resource_idx)
    {
        if (wined3d_texture_load_location(texture, sub_resource_idx, context, texture->resource.map_binding))
            wined3d_texture_invalidate_location(texture, sub_resource_idx, ~texture->resource.map_binding);
        else
            ERR("Failed to load location %s.\n", wined3d_debug_location(texture->resource.map_binding));
    }
    context_release(context);

    wined3d_resource_release(&texture->resource);
}

void wined3d_cs_emit_add_dirty_texture_region(struct wined3d_cs *cs,
        struct wined3d_texture *texture, unsigned int layer)
{
    struct wined3d_cs_add_dirty_texture_region *op;

    op = wined3d_device_context_require_space(&cs->c, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_ADD_DIRTY_TEXTURE_REGION;
    op->texture = texture;
    op->layer = layer;

    wined3d_resource_acquire(&texture->resource);

    wined3d_device_context_submit(&cs->c, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_clear_unordered_access_view(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_clear_unordered_access_view *op = data;
    struct wined3d_unordered_access_view *view = op->view;
    struct wined3d_context *context;

    context = context_acquire(cs->c.device, NULL, 0);
    cs->c.device->adapter->adapter_ops->adapter_clear_uav(context, view, &op->clear_value, op->fp);
    context_release(context);

    wined3d_resource_release(view->resource);
}

void wined3d_device_context_emit_clear_uav(struct wined3d_device_context *context,
        struct wined3d_unordered_access_view *view, const struct wined3d_uvec4 *clear_value, bool fp)
{
    struct wined3d_cs_clear_unordered_access_view *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_CLEAR_UNORDERED_ACCESS_VIEW;
    op->view = view;
    op->clear_value = *clear_value;
    op->fp = fp;

    wined3d_device_context_acquire_resource(context, view->resource);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_copy_uav_counter(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_copy_uav_counter *op = data;
    struct wined3d_unordered_access_view *view = op->view;
    struct wined3d_context *context;

    context = context_acquire(cs->c.device, NULL, 0);
    wined3d_unordered_access_view_copy_counter(view, op->buffer, op->offset, context);
    context_release(context);

    wined3d_resource_release(&op->buffer->resource);
}

void wined3d_device_context_emit_copy_uav_counter(struct wined3d_device_context *context,
        struct wined3d_buffer *dst_buffer, unsigned int offset, struct wined3d_unordered_access_view *uav)
{
    struct wined3d_cs_copy_uav_counter *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_COPY_UAV_COUNTER;
    op->buffer = dst_buffer;
    op->offset = offset;
    op->view = uav;

    wined3d_device_context_acquire_resource(context, &dst_buffer->resource);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_exec_generate_mipmaps(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_generate_mipmaps *op = data;
    struct wined3d_shader_resource_view *view = op->view;
    struct wined3d_context *context;

    context = context_acquire(cs->c.device, NULL, 0);
    cs->c.device->adapter->adapter_ops->adapter_generate_mipmap(context, view);
    context_release(context);

    wined3d_resource_release(view->resource);
}

void wined3d_device_context_emit_generate_mipmaps(struct wined3d_device_context *context,
        struct wined3d_shader_resource_view *view)
{
    struct wined3d_cs_generate_mipmaps *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_GENERATE_MIPMAPS;
    op->view = view;

    wined3d_device_context_acquire_resource(context, view->resource);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_emit_stop(struct wined3d_cs *cs)
{
    struct wined3d_cs_stop *op;

    op = wined3d_device_context_require_space(&cs->c, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_STOP;

    wined3d_device_context_submit(&cs->c, WINED3D_CS_QUEUE_DEFAULT);
    wined3d_cs_finish(cs, WINED3D_CS_QUEUE_DEFAULT);
}

static void wined3d_cs_acquire_resource(struct wined3d_device_context *context, struct wined3d_resource *resource)
{
    wined3d_resource_acquire(resource);
}

static void wined3d_cs_exec_execute_command_list(struct wined3d_cs *cs, const void *data);

static void (* const wined3d_cs_op_handlers[])(struct wined3d_cs *cs, const void *data) =
{
    /* WINED3D_CS_OP_NOP                         */ wined3d_cs_exec_nop,
    /* WINED3D_CS_OP_PRESENT                     */ wined3d_cs_exec_present,
    /* WINED3D_CS_OP_CLEAR                       */ wined3d_cs_exec_clear,
    /* WINED3D_CS_OP_DISPATCH                    */ wined3d_cs_exec_dispatch,
    /* WINED3D_CS_OP_DRAW                        */ wined3d_cs_exec_draw,
    /* WINED3D_CS_OP_FLUSH                       */ wined3d_cs_exec_flush,
    /* WINED3D_CS_OP_SET_PREDICATION             */ wined3d_cs_exec_set_predication,
    /* WINED3D_CS_OP_SET_VIEWPORTS               */ wined3d_cs_exec_set_viewports,
    /* WINED3D_CS_OP_SET_SCISSOR_RECTS           */ wined3d_cs_exec_set_scissor_rects,
    /* WINED3D_CS_OP_SET_RENDERTARGET_VIEWS      */ wined3d_cs_exec_set_rendertarget_views,
    /* WINED3D_CS_OP_SET_DEPTH_STENCIL_VIEW      */ wined3d_cs_exec_set_depth_stencil_view,
    /* WINED3D_CS_OP_SET_VERTEX_DECLARATION      */ wined3d_cs_exec_set_vertex_declaration,
    /* WINED3D_CS_OP_SET_STREAM_SOURCES          */ wined3d_cs_exec_set_stream_sources,
    /* WINED3D_CS_OP_SET_STREAM_OUTPUTS          */ wined3d_cs_exec_set_stream_outputs,
    /* WINED3D_CS_OP_SET_INDEX_BUFFER            */ wined3d_cs_exec_set_index_buffer,
    /* WINED3D_CS_OP_SET_CONSTANT_BUFFERS        */ wined3d_cs_exec_set_constant_buffers,
    /* WINED3D_CS_OP_SET_TEXTURE                 */ wined3d_cs_exec_set_texture,
    /* WINED3D_CS_OP_SET_SHADER_RESOURCE_VIEWS   */ wined3d_cs_exec_set_shader_resource_views,
    /* WINED3D_CS_OP_SET_UNORDERED_ACCESS_VIEWS  */ wined3d_cs_exec_set_unordered_access_views,
    /* WINED3D_CS_OP_SET_SAMPLERS                */ wined3d_cs_exec_set_samplers,
    /* WINED3D_CS_OP_SET_SHADER                  */ wined3d_cs_exec_set_shader,
    /* WINED3D_CS_OP_SET_BLEND_STATE             */ wined3d_cs_exec_set_blend_state,
    /* WINED3D_CS_OP_SET_DEPTH_STENCIL_STATE     */ wined3d_cs_exec_set_depth_stencil_state,
    /* WINED3D_CS_OP_SET_RASTERIZER_STATE        */ wined3d_cs_exec_set_rasterizer_state,
    /* WINED3D_CS_OP_SET_RENDER_STATE            */ wined3d_cs_exec_set_render_state,
    /* WINED3D_CS_OP_SET_TEXTURE_STATE           */ wined3d_cs_exec_set_texture_state,
    /* WINED3D_CS_OP_SET_SAMPLER_STATE           */ wined3d_cs_exec_set_sampler_state,
    /* WINED3D_CS_OP_SET_TRANSFORM               */ wined3d_cs_exec_set_transform,
    /* WINED3D_CS_OP_SET_CLIP_PLANE              */ wined3d_cs_exec_set_clip_plane,
    /* WINED3D_CS_OP_SET_COLOR_KEY               */ wined3d_cs_exec_set_color_key,
    /* WINED3D_CS_OP_SET_MATERIAL                */ wined3d_cs_exec_set_material,
    /* WINED3D_CS_OP_SET_LIGHT                   */ wined3d_cs_exec_set_light,
    /* WINED3D_CS_OP_SET_LIGHT_ENABLE            */ wined3d_cs_exec_set_light_enable,
    /* WINED3D_CS_OP_SET_FEATURE_LEVEL           */ wined3d_cs_exec_set_feature_level,
    /* WINED3D_CS_OP_PUSH_CONSTANTS              */ wined3d_cs_exec_push_constants,
    /* WINED3D_CS_OP_RESET_STATE                 */ wined3d_cs_exec_reset_state,
    /* WINED3D_CS_OP_CALLBACK                    */ wined3d_cs_exec_callback,
    /* WINED3D_CS_OP_QUERY_ISSUE                 */ wined3d_cs_exec_query_issue,
    /* WINED3D_CS_OP_PRELOAD_RESOURCE            */ wined3d_cs_exec_preload_resource,
    /* WINED3D_CS_OP_UNLOAD_RESOURCE             */ wined3d_cs_exec_unload_resource,
    /* WINED3D_CS_OP_MAP                         */ wined3d_cs_exec_map,
    /* WINED3D_CS_OP_UNMAP                       */ wined3d_cs_exec_unmap,
    /* WINED3D_CS_OP_BLT_SUB_RESOURCE            */ wined3d_cs_exec_blt_sub_resource,
    /* WINED3D_CS_OP_UPDATE_SUB_RESOURCE         */ wined3d_cs_exec_update_sub_resource,
    /* WINED3D_CS_OP_ADD_DIRTY_TEXTURE_REGION    */ wined3d_cs_exec_add_dirty_texture_region,
    /* WINED3D_CS_OP_CLEAR_UNORDERED_ACCESS_VIEW */ wined3d_cs_exec_clear_unordered_access_view,
    /* WINED3D_CS_OP_COPY_UAV_COUNTER            */ wined3d_cs_exec_copy_uav_counter,
    /* WINED3D_CS_OP_GENERATE_MIPMAPS            */ wined3d_cs_exec_generate_mipmaps,
    /* WINED3D_CS_OP_EXECUTE_COMMAND_LIST        */ wined3d_cs_exec_execute_command_list,
};

static void wined3d_cs_exec_execute_command_list(struct wined3d_cs *cs, const void *data)
{
    const struct wined3d_cs_execute_command_list *op = data;
    size_t start = 0, end = op->list->data_size;
    const BYTE *cs_data = op->list->data;

    TRACE("Executing command list %p.\n", op->list);

    while (start < end)
    {
        const struct wined3d_cs_packet *packet = (const struct wined3d_cs_packet *)&cs_data[start];
        enum wined3d_cs_op opcode = *(const enum wined3d_cs_op *)packet->data;

        if (opcode >= WINED3D_CS_OP_STOP)
            ERR("Invalid opcode %#x.\n", opcode);
        else
            wined3d_cs_op_handlers[opcode](cs, packet->data);
        TRACE("%s executed.\n", debug_cs_op(opcode));

        start += offsetof(struct wined3d_cs_packet, data[packet->size]);
    }
}

void wined3d_device_context_emit_execute_command_list(struct wined3d_device_context *context,
        struct wined3d_command_list *list, bool restore_state)
{
    struct wined3d_cs_execute_command_list *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_EXECUTE_COMMAND_LIST;
    op->list = list;

    context->ops->acquire_command_list(context, list);

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);

    if (restore_state)
        wined3d_device_context_set_state(context, context->state);
    else
        wined3d_device_context_reset_state(context);
}

static void *wined3d_cs_st_require_space(struct wined3d_device_context *context,
        size_t size, enum wined3d_cs_queue_id queue_id)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);

    if (size > (cs->data_size - cs->end))
    {
        size_t new_size;
        void *new_data;

        new_size = max(size, cs->data_size * 2);
        if (!cs->end)
            new_data = heap_realloc(cs->data, new_size);
        else
            new_data = heap_alloc(new_size);
        if (!new_data)
            return NULL;

        cs->data_size = new_size;
        cs->start = cs->end = 0;
        cs->data = new_data;
    }

    cs->end += size;

    return (BYTE *)cs->data + cs->start;
}

static void wined3d_cs_st_submit(struct wined3d_device_context *context, enum wined3d_cs_queue_id queue_id)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);
    enum wined3d_cs_op opcode;
    size_t start;
    BYTE *data;

    data = cs->data;
    start = cs->start;
    cs->start = cs->end;

    opcode = *(const enum wined3d_cs_op *)&data[start];
    if (opcode >= WINED3D_CS_OP_STOP)
        ERR("Invalid opcode %#x.\n", opcode);
    else
        wined3d_cs_op_handlers[opcode](cs, &data[start]);

    if (cs->data == data)
        cs->start = cs->end = start;
    else if (!start)
        heap_free(data);
}

static void wined3d_cs_st_finish(struct wined3d_device_context *context, enum wined3d_cs_queue_id queue_id)
{
}

static bool wined3d_cs_map_upload_bo(struct wined3d_device_context *context, struct wined3d_resource *resource,
        unsigned int sub_resource_idx, struct wined3d_map_desc *map_desc, const struct wined3d_box *box, uint32_t flags)
{
    /* Limit NOOVERWRITE maps to buffers for now; there are too many ways that
     * a texture can be invalidated to even count. */
    if (wined3d_map_persistent() && resource->type == WINED3D_RTYPE_BUFFER && (flags & WINED3D_MAP_NOOVERWRITE))
    {
        struct wined3d_client_resource *client = &resource->client;
        const struct wined3d_bo *bo;
        uint8_t *map_ptr;

        bo = (const struct wined3d_bo *)client->addr.buffer_object;
        map_ptr = bo ? bo->map_ptr : NULL;
        map_ptr += (uintptr_t)client->addr.addr;

        if (!map_ptr)
        {
            TRACE("Sub-resource is not persistently mapped.\n");
            return false;
        }

        wined3d_resource_get_sub_resource_map_pitch(resource, sub_resource_idx,
                &map_desc->row_pitch, &map_desc->slice_pitch);

        client->mapped_upload.addr = *wined3d_const_bo_address(&client->addr);
        client->mapped_upload.flags = 0;
        if (bo)
        {
            map_ptr += bo->memory_offset;
            if (!bo->coherent)
                client->mapped_upload.flags |= UPLOAD_BO_UPLOAD_ON_UNMAP;
        }
        map_desc->data = resource_offset_map_pointer(resource, sub_resource_idx, map_ptr, box);

        client->mapped_box = *box;

        TRACE("Returning bo %s, flags %#x.\n", debug_const_bo_address(&client->mapped_upload.addr),
                client->mapped_upload.flags);
        return true;
    }

    return false;
}

static bool wined3d_bo_address_is_null(struct wined3d_const_bo_address *addr)
{
    return !addr->buffer_object && !addr->addr;
}

static bool wined3d_cs_unmap_upload_bo(struct wined3d_device_context *context, struct wined3d_resource *resource,
        unsigned int sub_resource_idx, struct wined3d_box *box, struct upload_bo *bo)
{
    struct wined3d_client_resource *client = &resource->client;

    if (wined3d_bo_address_is_null(&client->mapped_upload.addr))
        return false;

    *bo = client->mapped_upload;
    *box = client->mapped_box;
    memset(&client->mapped_upload, 0, sizeof(client->mapped_upload));
    memset(&client->mapped_box, 0, sizeof(client->mapped_box));
    return true;
}

static const struct wined3d_device_context_ops wined3d_cs_st_ops =
{
    wined3d_cs_st_require_space,
    wined3d_cs_st_submit,
    wined3d_cs_st_finish,
    wined3d_cs_st_push_constants,
    wined3d_cs_map_upload_bo,
    wined3d_cs_unmap_upload_bo,
    wined3d_cs_issue_query,
    wined3d_cs_flush,
    wined3d_cs_acquire_resource,
    wined3d_cs_acquire_command_list,
};

static BOOL wined3d_cs_queue_is_empty(const struct wined3d_cs *cs, const struct wined3d_cs_queue *queue)
{
    wined3d_from_cs(cs);
    return *(volatile LONG *)&queue->head == queue->tail;
}

static void wined3d_cs_queue_submit(struct wined3d_cs_queue *queue, struct wined3d_cs *cs)
{
    struct wined3d_cs_packet *packet;
    size_t packet_size;

    packet = (struct wined3d_cs_packet *)&queue->data[queue->head];
    packet_size = FIELD_OFFSET(struct wined3d_cs_packet, data[packet->size]);
    InterlockedExchange(&queue->head, (queue->head + packet_size) & (WINED3D_CS_QUEUE_SIZE - 1));

    if (InterlockedCompareExchange(&cs->waiting_for_event, FALSE, TRUE))
        SetEvent(cs->event);
}

static void wined3d_cs_mt_submit(struct wined3d_device_context *context, enum wined3d_cs_queue_id queue_id)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);

    if (cs->thread_id == GetCurrentThreadId())
        return wined3d_cs_st_submit(context, queue_id);

    wined3d_cs_queue_submit(&cs->queue[queue_id], cs);
}

static void *wined3d_cs_queue_require_space(struct wined3d_cs_queue *queue, size_t size, struct wined3d_cs *cs)
{
    size_t queue_size = ARRAY_SIZE(queue->data);
    size_t header_size, packet_size, remaining;
    struct wined3d_cs_packet *packet;

    header_size = FIELD_OFFSET(struct wined3d_cs_packet, data[0]);
    packet_size = FIELD_OFFSET(struct wined3d_cs_packet, data[size]);
    packet_size = (packet_size + header_size - 1) & ~(header_size - 1);
    size = packet_size - header_size;
    if (packet_size >= WINED3D_CS_QUEUE_SIZE)
    {
        ERR("Packet size %lu >= queue size %u.\n",
                (unsigned long)packet_size, WINED3D_CS_QUEUE_SIZE);
        return NULL;
    }

    remaining = queue_size - queue->head;
    if (remaining < packet_size)
    {
        size_t nop_size = remaining - header_size;
        struct wined3d_cs_nop *nop;

        TRACE("Inserting a nop for %lu + %lu bytes.\n",
                (unsigned long)header_size, (unsigned long)nop_size);

        nop = wined3d_cs_queue_require_space(queue, nop_size, cs);
        if (nop_size)
            nop->opcode = WINED3D_CS_OP_NOP;

        wined3d_cs_queue_submit(queue, cs);
        assert(!queue->head);
    }

    for (;;)
    {
        LONG tail = *(volatile LONG *)&queue->tail;
        LONG head = queue->head;
        LONG new_pos;

        /* Empty. */
        if (head == tail)
            break;
        new_pos = (head + packet_size) & (WINED3D_CS_QUEUE_SIZE - 1);
        /* Head ahead of tail. We checked the remaining size above, so we only
         * need to make sure we don't make head equal to tail. */
        if (head > tail && (new_pos != tail))
            break;
        /* Tail ahead of head. Make sure the new head is before the tail as
         * well. Note that new_pos is 0 when it's at the end of the queue. */
        if (new_pos < tail && new_pos)
            break;

        TRACE("Waiting for free space. Head %u, tail %u, packet size %lu.\n",
                head, tail, (unsigned long)packet_size);
    }

    packet = (struct wined3d_cs_packet *)&queue->data[queue->head];
    packet->size = size;
    return packet->data;
}

static void *wined3d_cs_mt_require_space(struct wined3d_device_context *context,
        size_t size, enum wined3d_cs_queue_id queue_id)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);

    if (cs->thread_id == GetCurrentThreadId())
        return wined3d_cs_st_require_space(context, size, queue_id);

    return wined3d_cs_queue_require_space(&cs->queue[queue_id], size, cs);
}

static void wined3d_cs_mt_finish(struct wined3d_device_context *context, enum wined3d_cs_queue_id queue_id)
{
    struct wined3d_cs *cs = wined3d_cs_from_context(context);

    if (cs->thread_id == GetCurrentThreadId())
        return wined3d_cs_st_finish(context, queue_id);

    while (cs->queue[queue_id].head != *(volatile LONG *)&cs->queue[queue_id].tail)
        YieldProcessor();
}

static const struct wined3d_device_context_ops wined3d_cs_mt_ops =
{
    wined3d_cs_mt_require_space,
    wined3d_cs_mt_submit,
    wined3d_cs_mt_finish,
    wined3d_cs_mt_push_constants,
    wined3d_cs_map_upload_bo,
    wined3d_cs_unmap_upload_bo,
    wined3d_cs_issue_query,
    wined3d_cs_flush,
    wined3d_cs_acquire_resource,
    wined3d_cs_acquire_command_list,
};

static void poll_queries(struct wined3d_cs *cs)
{
    struct wined3d_query *query, *cursor;

    LIST_FOR_EACH_ENTRY_SAFE(query, cursor, &cs->query_poll_list, struct wined3d_query, poll_list_entry)
    {
        if (!query->query_ops->query_poll(query, 0))
            continue;

        list_remove(&query->poll_list_entry);
        list_init(&query->poll_list_entry);
        InterlockedIncrement(&query->counter_retrieved);
    }
}

static void wined3d_cs_wait_event(struct wined3d_cs *cs)
{
    InterlockedExchange(&cs->waiting_for_event, TRUE);

    /* The main thread might have enqueued a command and blocked on it after
     * the CS thread decided to enter wined3d_cs_wait_event(), but before
     * "waiting_for_event" was set.
     *
     * Likewise, we can race with the main thread when resetting
     * "waiting_for_event", in which case we would need to call
     * WaitForSingleObject() because the main thread called SetEvent(). */
    if (!(wined3d_cs_queue_is_empty(cs, &cs->queue[WINED3D_CS_QUEUE_DEFAULT])
            && wined3d_cs_queue_is_empty(cs, &cs->queue[WINED3D_CS_QUEUE_MAP]))
            && InterlockedCompareExchange(&cs->waiting_for_event, FALSE, TRUE))
        return;

    WaitForSingleObject(cs->event, INFINITE);
}

static void wined3d_cs_command_lock(const struct wined3d_cs *cs)
{
    if (cs->serialize_commands)
        EnterCriticalSection(&wined3d_command_cs);
}

static void wined3d_cs_command_unlock(const struct wined3d_cs *cs)
{
    if (cs->serialize_commands)
        LeaveCriticalSection(&wined3d_command_cs);
}

static DWORD WINAPI wined3d_cs_run(void *ctx)
{
    struct wined3d_cs_packet *packet;
    struct wined3d_cs_queue *queue;
    unsigned int spin_count = 0;
    struct wined3d_cs *cs = ctx;
    enum wined3d_cs_op opcode;
    HMODULE wined3d_module;
    unsigned int poll = 0;
    LONG tail;

    TRACE("Started.\n");

    /* Copy the module handle to a local variable to avoid racing with the
     * thread freeing "cs" before the FreeLibraryAndExitThread() call. */
    wined3d_module = cs->wined3d_module;

    list_init(&cs->query_poll_list);
    cs->thread_id = GetCurrentThreadId();
    for (;;)
    {
        if (++poll == WINED3D_CS_QUERY_POLL_INTERVAL)
        {
            wined3d_cs_command_lock(cs);
            poll_queries(cs);
            wined3d_cs_command_unlock(cs);
            poll = 0;
        }

        queue = &cs->queue[WINED3D_CS_QUEUE_MAP];
        if (wined3d_cs_queue_is_empty(cs, queue))
        {
            queue = &cs->queue[WINED3D_CS_QUEUE_DEFAULT];
            if (wined3d_cs_queue_is_empty(cs, queue))
            {
                if (++spin_count >= WINED3D_CS_SPIN_COUNT && list_empty(&cs->query_poll_list))
                    wined3d_cs_wait_event(cs);
                continue;
            }
        }
        spin_count = 0;

        tail = queue->tail;
        packet = (struct wined3d_cs_packet *)&queue->data[tail];
        if (packet->size)
        {
            opcode = *(const enum wined3d_cs_op *)packet->data;

            TRACE("Executing %s.\n", debug_cs_op(opcode));
            if (opcode >= WINED3D_CS_OP_STOP)
            {
                if (opcode > WINED3D_CS_OP_STOP)
                    ERR("Invalid opcode %#x.\n", opcode);
                break;
            }

            wined3d_cs_command_lock(cs);
            wined3d_cs_op_handlers[opcode](cs, packet->data);
            wined3d_cs_command_unlock(cs);
            TRACE("%s executed.\n", debug_cs_op(opcode));
        }

        tail += FIELD_OFFSET(struct wined3d_cs_packet, data[packet->size]);
        tail &= (WINED3D_CS_QUEUE_SIZE - 1);
        InterlockedExchange(&queue->tail, tail);
    }

    cs->queue[WINED3D_CS_QUEUE_MAP].tail = cs->queue[WINED3D_CS_QUEUE_MAP].head;
    cs->queue[WINED3D_CS_QUEUE_DEFAULT].tail = cs->queue[WINED3D_CS_QUEUE_DEFAULT].head;
    TRACE("Stopped.\n");
    FreeLibraryAndExitThread(wined3d_module, 0);
}

struct wined3d_cs *wined3d_cs_create(struct wined3d_device *device,
        const enum wined3d_feature_level *levels, unsigned int level_count)
{
    const struct wined3d_d3d_info *d3d_info = &device->adapter->d3d_info;
    struct wined3d_cs *cs;

    if (!(cs = heap_alloc_zero(sizeof(*cs))))
        return NULL;

    if (FAILED(wined3d_state_create(device, levels, level_count, &cs->c.state)))
    {
        heap_free(cs);
        return NULL;
    }

    cs->c.ops = &wined3d_cs_st_ops;
    cs->c.device = device;
    cs->serialize_commands = TRACE_ON(d3d_sync) || wined3d_settings.cs_multithreaded & WINED3D_CSMT_SERIALIZE;

    if (cs->serialize_commands)
        ERR_(d3d_sync)("Forcing serialization of all command streams.\n");

    state_init(&cs->state, d3d_info, WINED3D_STATE_NO_REF | WINED3D_STATE_INIT_DEFAULT, cs->c.state->feature_level);

    cs->data_size = WINED3D_INITIAL_CS_SIZE;
    if (!(cs->data = heap_alloc(cs->data_size)))
        goto fail;

    if (wined3d_settings.cs_multithreaded & WINED3D_CSMT_ENABLE
            && !RtlIsCriticalSectionLockedByThread(NtCurrentTeb()->Peb->LoaderLock))
    {
        cs->c.ops = &wined3d_cs_mt_ops;

        if (!(cs->event = CreateEventW(NULL, FALSE, FALSE, NULL)))
        {
            ERR("Failed to create command stream event.\n");
            heap_free(cs->data);
            goto fail;
        }

        if (!(GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
                (const WCHAR *)wined3d_cs_run, &cs->wined3d_module)))
        {
            ERR("Failed to get wined3d module handle.\n");
            CloseHandle(cs->event);
            heap_free(cs->data);
            goto fail;
        }

        if (!(cs->thread = CreateThread(NULL, 0, wined3d_cs_run, cs, 0, NULL)))
        {
            ERR("Failed to create wined3d command stream thread.\n");
            FreeLibrary(cs->wined3d_module);
            CloseHandle(cs->event);
            heap_free(cs->data);
            goto fail;
        }
    }

    return cs;

fail:
    wined3d_state_destroy(cs->c.state);
    state_cleanup(&cs->state);
    heap_free(cs);
    return NULL;
}

void wined3d_cs_destroy(struct wined3d_cs *cs)
{
    if (cs->thread)
    {
        wined3d_cs_emit_stop(cs);
        CloseHandle(cs->thread);
        if (!CloseHandle(cs->event))
            ERR("Closing event failed.\n");
    }

    wined3d_state_destroy(cs->c.state);
    state_cleanup(&cs->state);
    heap_free(cs->data);
    heap_free(cs);
}

struct wined3d_deferred_context
{
    struct wined3d_device_context c;

    SIZE_T data_size, data_capacity;
    void *data;

    SIZE_T resource_count, resources_capacity;
    struct wined3d_resource **resources;

    SIZE_T upload_count, uploads_capacity;
    struct wined3d_deferred_upload *uploads;

    /* List of command lists queued for execution on this context. A command
     * list can be the only thing holding a pointer to another command list, so
     * we need to hold a reference here and in wined3d_command_list as well. */
    SIZE_T command_list_count, command_lists_capacity;
    struct wined3d_command_list **command_lists;

    SIZE_T query_count, queries_capacity;
    struct wined3d_deferred_query_issue *queries;
};

static struct wined3d_deferred_context *wined3d_deferred_context_from_context(struct wined3d_device_context *context)
{
    return CONTAINING_RECORD(context, struct wined3d_deferred_context, c);
}

static void *wined3d_deferred_context_require_space(struct wined3d_device_context *context,
        size_t size, enum wined3d_cs_queue_id queue_id)
{
    struct wined3d_deferred_context *deferred = wined3d_deferred_context_from_context(context);
    struct wined3d_cs_packet *packet;
    size_t header_size, packet_size;

    if (queue_id != WINED3D_CS_QUEUE_DEFAULT)
        return NULL;

    header_size = offsetof(struct wined3d_cs_packet, data[0]);
    packet_size = offsetof(struct wined3d_cs_packet, data[size]);
    packet_size = (packet_size + header_size - 1) & ~(header_size - 1);

    if (!wined3d_array_reserve(&deferred->data, &deferred->data_capacity, deferred->data_size + packet_size, 1))
        return NULL;

    packet = (struct wined3d_cs_packet *)((BYTE *)deferred->data + deferred->data_size);
    TRACE("size was %zu, adding %zu\n", (size_t)deferred->data_size, packet_size);
    deferred->data_size += packet_size;
    packet->size = packet_size - header_size;
    return &packet->data;
}

static void wined3d_deferred_context_submit(struct wined3d_device_context *context, enum wined3d_cs_queue_id queue_id)
{
    assert(queue_id == WINED3D_CS_QUEUE_DEFAULT);

    /* Nothing to do. */
}

static void wined3d_deferred_context_finish(struct wined3d_device_context *context, enum wined3d_cs_queue_id queue_id)
{
    /* This should not happen; we cannot meaningfully finish a deferred context. */
    ERR("Ignoring finish() on a deferred context.\n");
}

static void wined3d_deferred_context_push_constants(struct wined3d_device_context *context,
        enum wined3d_push_constants p, unsigned int start_idx, unsigned int count, const void *constants)
{
    FIXME("context %p, p %#x, start_idx %u, count %u, constants %p, stub!\n", context, p, start_idx, count, constants);
}

static struct wined3d_deferred_upload *deferred_context_get_upload(struct wined3d_deferred_context *deferred,
        struct wined3d_resource *resource, unsigned int sub_resource_idx)
{
    SIZE_T i = deferred->upload_count;

    while (i--)
    {
        struct wined3d_deferred_upload *upload = &deferred->uploads[i];

        if (upload->resource == resource && upload->sub_resource_idx == sub_resource_idx)
            return upload;
    }

    return NULL;
}

static bool wined3d_deferred_context_map_upload_bo(struct wined3d_device_context *context,
        struct wined3d_resource *resource, unsigned int sub_resource_idx,
        struct wined3d_map_desc *map_desc, const struct wined3d_box *box, uint32_t flags)
{
    struct wined3d_deferred_context *deferred = wined3d_deferred_context_from_context(context);
    const struct wined3d_format *format = resource->format;
    struct wined3d_deferred_upload *upload;
    uint8_t *sysmem;
    size_t size;

    wined3d_format_calculate_pitch(format, 1, box->right - box->left,
            box->bottom - box->top, &map_desc->row_pitch, &map_desc->slice_pitch);

    size = (box->back - box->front - 1) * map_desc->slice_pitch
            + ((box->bottom - box->top - 1) / format->block_height) * map_desc->row_pitch
            + ((box->right - box->left + format->block_width - 1) / format->block_width) * format->block_byte_count;

    if (!(flags & WINED3D_MAP_WRITE))
    {
        WARN("Flags %#x are not valid on a deferred context.\n", flags);
        return false;
    }

    if (flags & ~(WINED3D_MAP_WRITE | WINED3D_MAP_DISCARD | WINED3D_MAP_NOOVERWRITE))
    {
        FIXME("Unhandled flags %#x.\n", flags);
        return false;
    }

    if (flags & WINED3D_MAP_NOOVERWRITE)
    {
        if (!(upload = deferred_context_get_upload(deferred, resource, sub_resource_idx)))
            return false;

        upload->upload_flags = 0;
        map_desc->data = (void *)align((size_t)upload->sysmem, RESOURCE_ALIGNMENT);
        return true;
    }

    if (!wined3d_array_reserve((void **)&deferred->uploads, &deferred->uploads_capacity,
            deferred->upload_count + 1, sizeof(*deferred->uploads)))
        return false;

    if (!(sysmem = heap_alloc(size + RESOURCE_ALIGNMENT - 1)))
        return false;

    upload = &deferred->uploads[deferred->upload_count++];
    upload->upload_flags = UPLOAD_BO_UPLOAD_ON_UNMAP;
    upload->resource = resource;
    wined3d_resource_incref(resource);
    upload->sub_resource_idx = sub_resource_idx;
    upload->sysmem = sysmem;
    upload->box = *box;

    map_desc->data = (void *)align((size_t)upload->sysmem, RESOURCE_ALIGNMENT);
    return true;
}

static bool wined3d_deferred_context_unmap_upload_bo(struct wined3d_device_context *context,
        struct wined3d_resource *resource, unsigned int sub_resource_idx, struct wined3d_box *box, struct upload_bo *bo)
{
    struct wined3d_deferred_context *deferred = wined3d_deferred_context_from_context(context);
    const struct wined3d_deferred_upload *upload;

    if ((upload = deferred_context_get_upload(deferred, resource, sub_resource_idx)))
    {
        *box = upload->box;
        bo->addr.buffer_object = 0;
        bo->addr.addr = (uint8_t *)align((size_t)upload->sysmem, RESOURCE_ALIGNMENT);
        bo->flags = upload->upload_flags;
        return true;
    }

    return false;
}

static void wined3d_deferred_context_issue_query(struct wined3d_device_context *context,
        struct wined3d_query *query, unsigned int flags)
{
    struct wined3d_deferred_context *deferred = wined3d_deferred_context_from_context(context);
    struct wined3d_cs_query_issue *op;

    op = wined3d_device_context_require_space(context, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
    op->opcode = WINED3D_CS_OP_QUERY_ISSUE;
    op->query = query;
    op->flags = flags;

    wined3d_device_context_submit(context, WINED3D_CS_QUEUE_DEFAULT);

    if (!wined3d_array_reserve((void **)&deferred->queries, &deferred->queries_capacity,
            deferred->query_count + 1, sizeof(*deferred->queries)))
    {
        ERR("Failed to reserve memory.\n");
        return;
    }

    deferred->queries[deferred->query_count].flags = flags;
    wined3d_query_incref(deferred->queries[deferred->query_count++].query = query);
}

static void wined3d_deferred_context_flush(struct wined3d_device_context *context)
{
    FIXME("context %p, stub!\n", context);
}

static void wined3d_deferred_context_acquire_resource(struct wined3d_device_context *context,
        struct wined3d_resource *resource)
{
    struct wined3d_deferred_context *deferred = wined3d_deferred_context_from_context(context);

    if (!wined3d_array_reserve((void **)&deferred->resources, &deferred->resources_capacity,
            deferred->resource_count + 1, sizeof(*deferred->resources)))
        return;

    deferred->resources[deferred->resource_count++] = resource;
    wined3d_resource_incref(resource);
}

static void wined3d_deferred_context_acquire_command_list(struct wined3d_device_context *context,
        struct wined3d_command_list *list)
{
    struct wined3d_deferred_context *deferred = wined3d_deferred_context_from_context(context);

    /* Grab a reference to the command list. Note that this implicitly prevents
     * any dependent command lists or resources from being freed as well. */
    if (!wined3d_array_reserve((void **)&deferred->command_lists, &deferred->command_lists_capacity,
            deferred->command_list_count + 1, sizeof(*deferred->command_lists)))
        return;

    wined3d_command_list_incref(deferred->command_lists[deferred->command_list_count++] = list);
}

static const struct wined3d_device_context_ops wined3d_deferred_context_ops =
{
    wined3d_deferred_context_require_space,
    wined3d_deferred_context_submit,
    wined3d_deferred_context_finish,
    wined3d_deferred_context_push_constants,
    wined3d_deferred_context_map_upload_bo,
    wined3d_deferred_context_unmap_upload_bo,
    wined3d_deferred_context_issue_query,
    wined3d_deferred_context_flush,
    wined3d_deferred_context_acquire_resource,
    wined3d_deferred_context_acquire_command_list,
};

HRESULT CDECL wined3d_deferred_context_create(struct wined3d_device *device, struct wined3d_device_context **context)
{
    struct wined3d_deferred_context *object;
    HRESULT hr;

    TRACE("device %p, context %p.\n", device, context);

    if (!(object = heap_alloc_zero(sizeof(*object))))
        return E_OUTOFMEMORY;

    if (FAILED(hr = wined3d_state_create(device, &device->cs->c.state->feature_level, 1, &object->c.state)))
    {
        heap_free(object);
        return hr;
    }

    object->c.ops = &wined3d_deferred_context_ops;
    object->c.device = device;

    /* Make sure the first command list gets the state reset when executed.
     * Resets for subsequent command lists are encoded in wined3d_deferred_context_record_command_list(). */
    wined3d_device_context_emit_reset_state(&object->c, true);

    TRACE("Created deferred context %p.\n", object);
    *context = &object->c;

    return S_OK;
}

void CDECL wined3d_deferred_context_destroy(struct wined3d_device_context *context)
{
    struct wined3d_deferred_context *deferred = wined3d_deferred_context_from_context(context);
    SIZE_T i;

    TRACE("context %p.\n", context);

    for (i = 0; i < deferred->resource_count; ++i)
        wined3d_resource_decref(deferred->resources[i]);
    heap_free(deferred->resources);

    for (i = 0; i < deferred->upload_count; ++i)
    {
        wined3d_resource_decref(deferred->uploads[i].resource);
        heap_free(deferred->uploads[i].sysmem);
    }
    heap_free(deferred->uploads);

    for (i = 0; i < deferred->command_list_count; ++i)
        wined3d_command_list_decref(deferred->command_lists[i]);
    heap_free(deferred->command_lists);

    for (i = 0; i < deferred->query_count; ++i)
        wined3d_query_decref(deferred->queries[i].query);
    heap_free(deferred->queries);

    wined3d_state_destroy(deferred->c.state);
    heap_free(deferred->data);
    heap_free(deferred);
}

HRESULT CDECL wined3d_deferred_context_record_command_list(struct wined3d_device_context *context,
        bool restore, struct wined3d_command_list **list)
{
    struct wined3d_deferred_context *deferred = wined3d_deferred_context_from_context(context);
    struct wined3d_command_list *object;
    void *memory;

    TRACE("context %p, list %p.\n", context, list);

    wined3d_mutex_lock();
    memory = heap_alloc(sizeof(*object) + deferred->resource_count * sizeof(*object->resources)
            + deferred->upload_count * sizeof(*object->uploads)
            + deferred->command_list_count * sizeof(*object->command_lists)
            + deferred->query_count * sizeof(*object->queries)
            + deferred->data_size);

    if (!memory)
    {
        wined3d_mutex_unlock();
        return E_OUTOFMEMORY;
    }

    object = memory;
    memory = &object[1];
    memset(object, 0, sizeof(*object));
    object->refcount = 1;
    object->device = deferred->c.device;

    object->resources = memory;
    memory = &object->resources[deferred->resource_count];
    object->resource_count = deferred->resource_count;
    memcpy(object->resources, deferred->resources, deferred->resource_count * sizeof(*object->resources));
    /* Transfer our references to the resources to the command list. */

    object->uploads = memory;
    memory = &object->uploads[deferred->upload_count];
    object->upload_count = deferred->upload_count;
    memcpy(object->uploads, deferred->uploads, deferred->upload_count * sizeof(*object->uploads));
    /* Transfer our references to the resources to the command list. */

    object->command_lists = memory;
    memory = &object->command_lists[deferred->command_list_count];
    object->command_list_count = deferred->command_list_count;
    memcpy(object->command_lists, deferred->command_lists,
            deferred->command_list_count * sizeof(*object->command_lists));
    /* Transfer our references to the command lists to the command list. */

    object->queries = memory;
    memory = &object->queries[deferred->query_count];
    object->query_count = deferred->query_count;
    memcpy(object->queries, deferred->queries, deferred->query_count * sizeof(*object->queries));
    /* Transfer our references to the queries to the command list. */

    object->data = memory;
    object->data_size = deferred->data_size;
    memcpy(object->data, deferred->data, deferred->data_size);

    deferred->data_size = 0;
    deferred->resource_count = 0;
    deferred->upload_count = 0;
    deferred->command_list_count = 0;
    deferred->query_count = 0;

    /* This is in fact recorded into a subsequent command list. */
    if (restore)
        wined3d_device_context_set_state(&deferred->c, deferred->c.state);
    else
        wined3d_device_context_reset_state(&deferred->c);

    TRACE("Created command list %p.\n", object);
    *list = object;
    wined3d_mutex_unlock();

    return S_OK;
}