Sweden-Number/dlls/wined3d/view.c

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/*
* Copyright 2009, 2011 Henri Verbeet for CodeWeavers
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*
* 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);
ULONG CDECL wined3d_rendertarget_view_incref(struct wined3d_rendertarget_view *view)
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{
ULONG refcount = InterlockedIncrement(&view->refcount);
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TRACE("%p increasing refcount to %u.\n", view, refcount);
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return refcount;
}
ULONG CDECL wined3d_rendertarget_view_decref(struct wined3d_rendertarget_view *view)
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{
ULONG refcount = InterlockedDecrement(&view->refcount);
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TRACE("%p decreasing refcount to %u.\n", view, refcount);
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if (!refcount)
{
/* Call wined3d_object_destroyed() before releasing the resource,
* since releasing the resource may end up destroying the parent. */
view->parent_ops->wined3d_object_destroyed(view->parent);
wined3d_resource_decref(view->resource);
HeapFree(GetProcessHeap(), 0, view);
}
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return refcount;
}
void * CDECL wined3d_rendertarget_view_get_parent(const struct wined3d_rendertarget_view *view)
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{
TRACE("view %p.\n", view);
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return view->parent;
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}
void * CDECL wined3d_rendertarget_view_get_sub_resource_parent(const struct wined3d_rendertarget_view *view)
{
struct wined3d_resource *sub_resource;
TRACE("view %p.\n", view);
if (view->resource->type == WINED3D_RTYPE_BUFFER)
return wined3d_buffer_get_parent(buffer_from_resource(view->resource));
if (!(sub_resource = wined3d_texture_get_sub_resource(wined3d_texture_from_resource(view->resource),
view->sub_resource_idx)))
return NULL;
return wined3d_resource_get_parent(sub_resource);
}
void CDECL wined3d_rendertarget_view_set_parent(struct wined3d_rendertarget_view *view, void *parent)
{
TRACE("view %p, parent %p.\n", view, parent);
view->parent = parent;
}
struct wined3d_resource * CDECL wined3d_rendertarget_view_get_resource(const struct wined3d_rendertarget_view *view)
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{
TRACE("view %p.\n", view);
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return view->resource;
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}
static void wined3d_rendertarget_view_init(struct wined3d_rendertarget_view *view,
const struct wined3d_rendertarget_view_desc *desc, struct wined3d_resource *resource,
void *parent, const struct wined3d_parent_ops *parent_ops)
{
const struct wined3d_gl_info *gl_info = &resource->device->adapter->gl_info;
view->refcount = 1;
view->resource = resource;
wined3d_resource_incref(resource);
view->parent = parent;
view->parent_ops = parent_ops;
view->format = wined3d_get_format(gl_info, desc->format_id);
if (resource->type == WINED3D_RTYPE_BUFFER)
{
view->sub_resource_idx = 0;
view->buffer_offset = desc->u.buffer.start_idx;
view->width = desc->u.buffer.count;
view->height = 1;
view->depth = 1;
}
else
{
struct wined3d_texture *texture = wined3d_texture_from_resource(resource);
struct wined3d_resource *sub_resource;
view->sub_resource_idx = desc->u.texture.layer_idx * texture->level_count + desc->u.texture.level_idx;
sub_resource = wined3d_texture_get_sub_resource(texture, view->sub_resource_idx);
view->buffer_offset = 0;
view->width = sub_resource->width;
view->height = sub_resource->height;
view->depth = desc->u.texture.layer_count;
}
}
HRESULT CDECL wined3d_rendertarget_view_create(const struct wined3d_rendertarget_view_desc *desc,
struct wined3d_resource *resource, void *parent, const struct wined3d_parent_ops *parent_ops,
struct wined3d_rendertarget_view **view)
{
struct wined3d_rendertarget_view *object;
TRACE("desc %p, resource %p, parent %p, view %p.\n",
desc, resource, parent, view);
if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
return E_OUTOFMEMORY;
wined3d_rendertarget_view_init(object, desc, resource, parent, parent_ops);
TRACE("Created render target view %p.\n", object);
*view = object;
return WINED3D_OK;
}
HRESULT CDECL wined3d_rendertarget_view_create_from_surface(struct wined3d_surface *surface,
void *parent, const struct wined3d_parent_ops *parent_ops, struct wined3d_rendertarget_view **view)
{
struct wined3d_rendertarget_view_desc desc;
TRACE("surface %p, view %p.\n", surface, view);
desc.format_id = surface->resource.format->id;
desc.u.texture.level_idx = surface->texture_level;
desc.u.texture.layer_idx = surface->texture_layer;
desc.u.texture.layer_count = 1;
return wined3d_rendertarget_view_create(&desc, &surface->container->resource, parent, parent_ops, view);
}