Sweden-Number/dlls/wined3d/vertexdeclaration.c

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/*
* vertex declaration implementation
*
* Copyright 2002-2005 Raphael Junqueira
* Copyright 2004 Jason Edmeades
* Copyright 2004 Christian Costa
* Copyright 2005 Oliver Stieber
* Copyright 2009 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_decl);
static void dump_wined3d_vertex_element(const struct wined3d_vertex_element *element)
{
TRACE(" format: %s (%#x)\n", debug_d3dformat(element->format), element->format);
TRACE(" input_slot: %u\n", element->input_slot);
TRACE(" offset: %u\n", element->offset);
TRACE("output_slot: %u\n", element->output_slot);
TRACE(" method: %s (%#x)\n", debug_d3ddeclmethod(element->method), element->method);
TRACE(" usage: %s (%#x)\n", debug_d3ddeclusage(element->usage), element->usage);
TRACE(" usage_idx: %u\n", element->usage_idx);
}
ULONG CDECL wined3d_vertex_declaration_incref(struct wined3d_vertex_declaration *declaration)
{
ULONG refcount = InterlockedIncrement(&declaration->ref);
TRACE("%p increasing refcount to %u.\n", declaration, refcount);
return refcount;
}
ULONG CDECL wined3d_vertex_declaration_decref(struct wined3d_vertex_declaration *declaration)
{
ULONG refcount = InterlockedDecrement(&declaration->ref);
TRACE("%p decreasing refcount to %u.\n", declaration, refcount);
if (!refcount)
{
HeapFree(GetProcessHeap(), 0, declaration->elements);
declaration->parent_ops->wined3d_object_destroyed(declaration->parent);
HeapFree(GetProcessHeap(), 0, declaration);
}
return refcount;
}
void * CDECL wined3d_vertex_declaration_get_parent(const struct wined3d_vertex_declaration *declaration)
{
TRACE("declaration %p.\n", declaration);
return declaration->parent;
}
static BOOL declaration_element_valid_ffp(const struct wined3d_vertex_element *element)
{
switch(element->usage)
{
case WINED3D_DECL_USAGE_POSITION:
case WINED3D_DECL_USAGE_POSITIONT:
switch(element->format)
{
case WINED3DFMT_R32G32_FLOAT:
case WINED3DFMT_R32G32B32_FLOAT:
case WINED3DFMT_R32G32B32A32_FLOAT:
case WINED3DFMT_R16G16_SINT:
case WINED3DFMT_R16G16B16A16_SINT:
case WINED3DFMT_R16G16_FLOAT:
case WINED3DFMT_R16G16B16A16_FLOAT:
return TRUE;
default:
return FALSE;
}
case WINED3D_DECL_USAGE_BLEND_WEIGHT:
switch(element->format)
{
case WINED3DFMT_R32_FLOAT:
case WINED3DFMT_R32G32_FLOAT:
case WINED3DFMT_R32G32B32_FLOAT:
case WINED3DFMT_R32G32B32A32_FLOAT:
case WINED3DFMT_B8G8R8A8_UNORM:
case WINED3DFMT_R8G8B8A8_UINT:
case WINED3DFMT_R16G16_SINT:
case WINED3DFMT_R16G16B16A16_SINT:
case WINED3DFMT_R16G16_FLOAT:
case WINED3DFMT_R16G16B16A16_FLOAT:
return TRUE;
default:
return FALSE;
}
case WINED3D_DECL_USAGE_NORMAL:
switch(element->format)
{
case WINED3DFMT_R32G32B32_FLOAT:
case WINED3DFMT_R32G32B32A32_FLOAT:
case WINED3DFMT_R16G16B16A16_SINT:
case WINED3DFMT_R16G16B16A16_FLOAT:
return TRUE;
default:
return FALSE;
}
case WINED3D_DECL_USAGE_TEXCOORD:
switch(element->format)
{
case WINED3DFMT_R32_FLOAT:
case WINED3DFMT_R32G32_FLOAT:
case WINED3DFMT_R32G32B32_FLOAT:
case WINED3DFMT_R32G32B32A32_FLOAT:
case WINED3DFMT_R16G16_SINT:
case WINED3DFMT_R16G16B16A16_SINT:
case WINED3DFMT_R16G16_FLOAT:
case WINED3DFMT_R16G16B16A16_FLOAT:
return TRUE;
default:
return FALSE;
}
case WINED3D_DECL_USAGE_COLOR:
switch(element->format)
{
case WINED3DFMT_R32G32B32_FLOAT:
case WINED3DFMT_R32G32B32A32_FLOAT:
case WINED3DFMT_B8G8R8A8_UNORM:
case WINED3DFMT_R8G8B8A8_UINT:
case WINED3DFMT_R16G16B16A16_SINT:
case WINED3DFMT_R8G8B8A8_UNORM:
case WINED3DFMT_R16G16B16A16_SNORM:
case WINED3DFMT_R16G16B16A16_UNORM:
case WINED3DFMT_R16G16B16A16_FLOAT:
return TRUE;
default:
return FALSE;
}
default:
return FALSE;
}
}
static HRESULT vertexdeclaration_init(struct wined3d_vertex_declaration *declaration,
struct wined3d_device *device, const struct wined3d_vertex_element *elements, UINT element_count,
void *parent, const struct wined3d_parent_ops *parent_ops)
{
const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
WORD preloaded = 0; /* MAX_STREAMS, 16 */
unsigned int i;
if (TRACE_ON(d3d_decl))
{
for (i = 0; i < element_count; ++i)
{
dump_wined3d_vertex_element(elements + i);
}
}
declaration->ref = 1;
declaration->parent = parent;
declaration->parent_ops = parent_ops;
declaration->device = device;
declaration->elements = HeapAlloc(GetProcessHeap(), 0, sizeof(*declaration->elements) * element_count);
if (!declaration->elements)
{
ERR("Failed to allocate elements memory.\n");
return E_OUTOFMEMORY;
}
declaration->element_count = element_count;
/* Do some static analysis on the elements to make reading the
* declaration more comfortable for the drawing code. */
for (i = 0; i < element_count; ++i)
{
struct wined3d_vertex_declaration_element *e = &declaration->elements[i];
e->format = wined3d_get_format(gl_info, elements[i].format);
e->ffp_valid = declaration_element_valid_ffp(&elements[i]);
e->input_slot = elements[i].input_slot;
e->offset = elements[i].offset;
e->output_slot = elements[i].output_slot;
e->method = elements[i].method;
e->usage = elements[i].usage;
e->usage_idx = elements[i].usage_idx;
if (e->usage == WINED3D_DECL_USAGE_POSITIONT)
declaration->position_transformed = TRUE;
/* Find the streams used in the declaration. The vertex buffers have
* to be loaded when drawing, but filter tesselation pseudo streams. */
if (e->input_slot >= MAX_STREAMS) continue;
if (!e->format->gl_vtx_format)
{
FIXME("The application tries to use an unsupported format (%s), returning E_FAIL.\n",
debug_d3dformat(elements[i].format));
HeapFree(GetProcessHeap(), 0, declaration->elements);
return E_FAIL;
}
if (e->offset & 0x3)
{
WARN("Declaration element %u is not 4 byte aligned(%u), returning E_FAIL.\n", i, e->offset);
HeapFree(GetProcessHeap(), 0, declaration->elements);
return E_FAIL;
}
if (!(preloaded & (1 << e->input_slot)))
{
declaration->streams[declaration->num_streams] = e->input_slot;
++declaration->num_streams;
preloaded |= 1 << e->input_slot;
}
if (elements[i].format == WINED3DFMT_R16G16_FLOAT || elements[i].format == WINED3DFMT_R16G16B16A16_FLOAT)
{
if (!gl_info->supported[ARB_HALF_FLOAT_VERTEX]) declaration->half_float_conv_needed = TRUE;
}
}
return WINED3D_OK;
}
HRESULT CDECL wined3d_vertex_declaration_create(struct wined3d_device *device,
const struct wined3d_vertex_element *elements, UINT element_count, void *parent,
const struct wined3d_parent_ops *parent_ops, struct wined3d_vertex_declaration **declaration)
{
struct wined3d_vertex_declaration *object;
HRESULT hr;
TRACE("device %p, elements %p, element_count %u, parent %p, parent_ops %p, declaration %p.\n",
device, elements, element_count, parent, parent_ops, declaration);
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
if(!object)
{
ERR("Failed to allocate vertex declaration memory.\n");
return E_OUTOFMEMORY;
}
hr = vertexdeclaration_init(object, device, elements, element_count, parent, parent_ops);
if (FAILED(hr))
{
WARN("Failed to initialize vertex declaration, hr %#x.\n", hr);
HeapFree(GetProcessHeap(), 0, object);
return hr;
}
TRACE("Created vertex declaration %p.\n", object);
*declaration = object;
return WINED3D_OK;
}
struct wined3d_fvf_convert_state
{
const struct wined3d_gl_info *gl_info;
struct wined3d_vertex_element *elements;
UINT offset;
UINT idx;
};
static void append_decl_element(struct wined3d_fvf_convert_state *state,
enum wined3d_format_id format_id, enum wined3d_decl_usage usage, UINT usage_idx)
{
struct wined3d_vertex_element *elements = state->elements;
const struct wined3d_format *format;
UINT offset = state->offset;
UINT idx = state->idx;
elements[idx].format = format_id;
elements[idx].input_slot = 0;
elements[idx].offset = offset;
elements[idx].output_slot = 0;
elements[idx].method = WINED3D_DECL_METHOD_DEFAULT;
elements[idx].usage = usage;
elements[idx].usage_idx = usage_idx;
format = wined3d_get_format(state->gl_info, format_id);
state->offset += format->component_count * format->component_size;
++state->idx;
}
static unsigned int convert_fvf_to_declaration(const struct wined3d_gl_info *gl_info,
DWORD fvf, struct wined3d_vertex_element **elements)
{
BOOL has_pos = !!(fvf & WINED3DFVF_POSITION_MASK);
BOOL has_blend = (fvf & WINED3DFVF_XYZB5) > WINED3DFVF_XYZRHW;
BOOL has_blend_idx = has_blend &&
(((fvf & WINED3DFVF_XYZB5) == WINED3DFVF_XYZB5) ||
(fvf & WINED3DFVF_LASTBETA_D3DCOLOR) ||
(fvf & WINED3DFVF_LASTBETA_UBYTE4));
BOOL has_normal = !!(fvf & WINED3DFVF_NORMAL);
BOOL has_psize = !!(fvf & WINED3DFVF_PSIZE);
BOOL has_diffuse = !!(fvf & WINED3DFVF_DIFFUSE);
BOOL has_specular = !!(fvf & WINED3DFVF_SPECULAR);
DWORD num_textures = (fvf & WINED3DFVF_TEXCOUNT_MASK) >> WINED3DFVF_TEXCOUNT_SHIFT;
DWORD texcoords = (fvf & 0xffff0000) >> 16;
struct wined3d_fvf_convert_state state;
unsigned int size;
unsigned int idx;
DWORD num_blends = 1 + (((fvf & WINED3DFVF_XYZB5) - WINED3DFVF_XYZB1) >> 1);
if (has_blend_idx) num_blends--;
/* Compute declaration size */
size = has_pos + (has_blend && num_blends > 0) + has_blend_idx + has_normal +
has_psize + has_diffuse + has_specular + num_textures;
state.gl_info = gl_info;
state.elements = HeapAlloc(GetProcessHeap(), 0, size * sizeof(*state.elements));
if (!state.elements) return ~0U;
state.offset = 0;
state.idx = 0;
if (has_pos)
{
if (!has_blend && (fvf & WINED3DFVF_XYZRHW))
append_decl_element(&state, WINED3DFMT_R32G32B32A32_FLOAT, WINED3D_DECL_USAGE_POSITIONT, 0);
else if ((fvf & WINED3DFVF_XYZW) == WINED3DFVF_XYZW)
append_decl_element(&state, WINED3DFMT_R32G32B32A32_FLOAT, WINED3D_DECL_USAGE_POSITION, 0);
else
append_decl_element(&state, WINED3DFMT_R32G32B32_FLOAT, WINED3D_DECL_USAGE_POSITION, 0);
}
if (has_blend && (num_blends > 0))
{
if ((fvf & WINED3DFVF_XYZB5) == WINED3DFVF_XYZB2 && (fvf & WINED3DFVF_LASTBETA_D3DCOLOR))
append_decl_element(&state, WINED3DFMT_B8G8R8A8_UNORM, WINED3D_DECL_USAGE_BLEND_WEIGHT, 0);
else
{
switch (num_blends)
{
case 1:
append_decl_element(&state, WINED3DFMT_R32_FLOAT, WINED3D_DECL_USAGE_BLEND_WEIGHT, 0);
break;
case 2:
append_decl_element(&state, WINED3DFMT_R32G32_FLOAT, WINED3D_DECL_USAGE_BLEND_WEIGHT, 0);
break;
case 3:
append_decl_element(&state, WINED3DFMT_R32G32B32_FLOAT, WINED3D_DECL_USAGE_BLEND_WEIGHT, 0);
break;
case 4:
append_decl_element(&state, WINED3DFMT_R32G32B32A32_FLOAT, WINED3D_DECL_USAGE_BLEND_WEIGHT, 0);
break;
default:
ERR("Unexpected amount of blend values: %u\n", num_blends);
}
}
}
if (has_blend_idx)
{
if ((fvf & WINED3DFVF_LASTBETA_UBYTE4)
|| ((fvf & WINED3DFVF_XYZB5) == WINED3DFVF_XYZB2 && (fvf & WINED3DFVF_LASTBETA_D3DCOLOR)))
append_decl_element(&state, WINED3DFMT_R8G8B8A8_UINT, WINED3D_DECL_USAGE_BLEND_INDICES, 0);
else if (fvf & WINED3DFVF_LASTBETA_D3DCOLOR)
append_decl_element(&state, WINED3DFMT_B8G8R8A8_UNORM, WINED3D_DECL_USAGE_BLEND_INDICES, 0);
else
append_decl_element(&state, WINED3DFMT_R32_FLOAT, WINED3D_DECL_USAGE_BLEND_INDICES, 0);
}
if (has_normal)
append_decl_element(&state, WINED3DFMT_R32G32B32_FLOAT, WINED3D_DECL_USAGE_NORMAL, 0);
if (has_psize)
append_decl_element(&state, WINED3DFMT_R32_FLOAT, WINED3D_DECL_USAGE_PSIZE, 0);
if (has_diffuse)
append_decl_element(&state, WINED3DFMT_B8G8R8A8_UNORM, WINED3D_DECL_USAGE_COLOR, 0);
if (has_specular)
append_decl_element(&state, WINED3DFMT_B8G8R8A8_UNORM, WINED3D_DECL_USAGE_COLOR, 1);
for (idx = 0; idx < num_textures; ++idx)
{
switch ((texcoords >> (idx * 2)) & 0x03)
{
case WINED3DFVF_TEXTUREFORMAT1:
append_decl_element(&state, WINED3DFMT_R32_FLOAT, WINED3D_DECL_USAGE_TEXCOORD, idx);
break;
case WINED3DFVF_TEXTUREFORMAT2:
append_decl_element(&state, WINED3DFMT_R32G32_FLOAT, WINED3D_DECL_USAGE_TEXCOORD, idx);
break;
case WINED3DFVF_TEXTUREFORMAT3:
append_decl_element(&state, WINED3DFMT_R32G32B32_FLOAT, WINED3D_DECL_USAGE_TEXCOORD, idx);
break;
case WINED3DFVF_TEXTUREFORMAT4:
append_decl_element(&state, WINED3DFMT_R32G32B32A32_FLOAT, WINED3D_DECL_USAGE_TEXCOORD, idx);
break;
}
}
*elements = state.elements;
return size;
}
HRESULT CDECL wined3d_vertex_declaration_create_from_fvf(struct wined3d_device *device,
DWORD fvf, void *parent, const struct wined3d_parent_ops *parent_ops,
struct wined3d_vertex_declaration **declaration)
{
struct wined3d_vertex_element *elements;
unsigned int size;
DWORD hr;
TRACE("device %p, fvf %#x, parent %p, parent_ops %p, declaration %p.\n",
device, fvf, parent, parent_ops, declaration);
size = convert_fvf_to_declaration(&device->adapter->gl_info, fvf, &elements);
if (size == ~0U) return E_OUTOFMEMORY;
hr = wined3d_vertex_declaration_create(device, elements, size, parent, parent_ops, declaration);
HeapFree(GetProcessHeap(), 0, elements);
return hr;
}