Sweden-Number/dlls/wined3d/vertexdeclaration.c

239 lines
8.4 KiB
C

/*
* 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 "wined3d_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3d_decl);
static void dump_wined3dvertexelement(const WINED3DVERTEXELEMENT *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 WINED3DVERTEXELEMENT *element)
{
switch(element->usage)
{
case WINED3DDECLUSAGE_POSITION:
case WINED3DDECLUSAGE_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 WINED3DDECLUSAGE_BLENDWEIGHT:
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 WINED3DDECLUSAGE_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 WINED3DDECLUSAGE_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 WINED3DDECLUSAGE_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;
}
}
HRESULT vertexdeclaration_init(struct wined3d_vertex_declaration *declaration, IWineD3DDeviceImpl *device,
const WINED3DVERTEXELEMENT *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_wined3dvertexelement(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 == WINED3DDECLUSAGE_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;
}