2 * vertex declaration implementation
4 * Copyright 2002-2005 Raphael Junqueira
5 * Copyright 2004 Jason Edmeades
6 * Copyright 2004 Christian Costa
7 * Copyright 2005 Oliver Stieber
8 * Copyright 2009 Henri Verbeet for CodeWeavers
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include "wined3d_private.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(d3d_decl);
30 static void dump_wined3dvertexelement(const WINED3DVERTEXELEMENT *element) {
31 TRACE(" format: %s (%#x)\n", debug_d3dformat(element->format), element->format);
32 TRACE(" input_slot: %u\n", element->input_slot);
33 TRACE(" offset: %u\n", element->offset);
34 TRACE("output_slot: %u\n", element->output_slot);
35 TRACE(" method: %s (%#x)\n", debug_d3ddeclmethod(element->method), element->method);
36 TRACE(" usage: %s (%#x)\n", debug_d3ddeclusage(element->usage), element->usage);
37 TRACE(" usage_idx: %u\n", element->usage_idx);
40 /* *******************************************
41 IWineD3DVertexDeclaration IUnknown parts follow
42 ******************************************* */
43 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_QueryInterface(IWineD3DVertexDeclaration *iface, REFIID riid, LPVOID *ppobj)
45 IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
46 TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
47 if (IsEqualGUID(riid, &IID_IUnknown)
48 || IsEqualGUID(riid, &IID_IWineD3DBase)
49 || IsEqualGUID(riid, &IID_IWineD3DVertexDeclaration)){
50 IUnknown_AddRef(iface);
58 static ULONG WINAPI IWineD3DVertexDeclarationImpl_AddRef(IWineD3DVertexDeclaration *iface) {
59 IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
60 TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
61 return InterlockedIncrement(&This->ref);
64 static ULONG WINAPI IWineD3DVertexDeclarationImpl_Release(IWineD3DVertexDeclaration *iface) {
65 IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
67 TRACE("(%p) : Releasing from %d\n", This, This->ref);
68 ref = InterlockedDecrement(&This->ref);
71 HeapFree(GetProcessHeap(), 0, This->elements);
72 This->parent_ops->wined3d_object_destroyed(This->parent);
73 HeapFree(GetProcessHeap(), 0, This);
78 /* *******************************************
79 IWineD3DVertexDeclaration parts follow
80 ******************************************* */
82 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetParent(IWineD3DVertexDeclaration *iface, IUnknown** parent){
83 IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
85 *parent= This->parent;
86 IUnknown_AddRef(*parent);
87 TRACE("(%p) : returning %p\n", This, *parent);
91 static BOOL declaration_element_valid_ffp(const WINED3DVERTEXELEMENT *element)
93 switch(element->usage)
95 case WINED3DDECLUSAGE_POSITION:
96 case WINED3DDECLUSAGE_POSITIONT:
97 switch(element->format)
99 case WINED3DFMT_R32G32_FLOAT:
100 case WINED3DFMT_R32G32B32_FLOAT:
101 case WINED3DFMT_R32G32B32A32_FLOAT:
102 case WINED3DFMT_R16G16_SINT:
103 case WINED3DFMT_R16G16B16A16_SINT:
104 case WINED3DFMT_R16G16_FLOAT:
105 case WINED3DFMT_R16G16B16A16_FLOAT:
111 case WINED3DDECLUSAGE_BLENDWEIGHT:
112 switch(element->format)
114 case WINED3DFMT_R32_FLOAT:
115 case WINED3DFMT_R32G32_FLOAT:
116 case WINED3DFMT_R32G32B32_FLOAT:
117 case WINED3DFMT_R32G32B32A32_FLOAT:
118 case WINED3DFMT_B8G8R8A8_UNORM:
119 case WINED3DFMT_R8G8B8A8_UINT:
120 case WINED3DFMT_R16G16_SINT:
121 case WINED3DFMT_R16G16B16A16_SINT:
122 case WINED3DFMT_R16G16_FLOAT:
123 case WINED3DFMT_R16G16B16A16_FLOAT:
129 case WINED3DDECLUSAGE_NORMAL:
130 switch(element->format)
132 case WINED3DFMT_R32G32B32_FLOAT:
133 case WINED3DFMT_R32G32B32A32_FLOAT:
134 case WINED3DFMT_R16G16B16A16_SINT:
135 case WINED3DFMT_R16G16B16A16_FLOAT:
141 case WINED3DDECLUSAGE_TEXCOORD:
142 switch(element->format)
144 case WINED3DFMT_R32_FLOAT:
145 case WINED3DFMT_R32G32_FLOAT:
146 case WINED3DFMT_R32G32B32_FLOAT:
147 case WINED3DFMT_R32G32B32A32_FLOAT:
148 case WINED3DFMT_R16G16_SINT:
149 case WINED3DFMT_R16G16B16A16_SINT:
150 case WINED3DFMT_R16G16_FLOAT:
151 case WINED3DFMT_R16G16B16A16_FLOAT:
157 case WINED3DDECLUSAGE_COLOR:
158 switch(element->format)
160 case WINED3DFMT_R32G32B32_FLOAT:
161 case WINED3DFMT_R32G32B32A32_FLOAT:
162 case WINED3DFMT_B8G8R8A8_UNORM:
163 case WINED3DFMT_R8G8B8A8_UINT:
164 case WINED3DFMT_R16G16B16A16_SINT:
165 case WINED3DFMT_R8G8B8A8_UNORM:
166 case WINED3DFMT_R16G16B16A16_SNORM:
167 case WINED3DFMT_R16G16B16A16_UNORM:
168 case WINED3DFMT_R16G16B16A16_FLOAT:
179 static const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl =
182 IWineD3DVertexDeclarationImpl_QueryInterface,
183 IWineD3DVertexDeclarationImpl_AddRef,
184 IWineD3DVertexDeclarationImpl_Release,
185 /* IWineD3DVertexDeclaration */
186 IWineD3DVertexDeclarationImpl_GetParent,
189 HRESULT vertexdeclaration_init(IWineD3DVertexDeclarationImpl *declaration, IWineD3DDeviceImpl *device,
190 const WINED3DVERTEXELEMENT *elements, UINT element_count,
191 IUnknown *parent, const struct wined3d_parent_ops *parent_ops)
193 const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
194 WORD preloaded = 0; /* MAX_STREAMS, 16 */
197 if (TRACE_ON(d3d_decl))
199 for (i = 0; i < element_count; ++i)
201 dump_wined3dvertexelement(elements + i);
205 declaration->lpVtbl = &IWineD3DVertexDeclaration_Vtbl;
206 declaration->ref = 1;
207 declaration->parent = parent;
208 declaration->parent_ops = parent_ops;
209 declaration->device = device;
210 declaration->elements = HeapAlloc(GetProcessHeap(), 0, sizeof(*declaration->elements) * element_count);
211 if (!declaration->elements)
213 ERR("Failed to allocate elements memory.\n");
214 return E_OUTOFMEMORY;
216 declaration->element_count = element_count;
218 /* Do some static analysis on the elements to make reading the
219 * declaration more comfortable for the drawing code. */
220 for (i = 0; i < element_count; ++i)
222 struct wined3d_vertex_declaration_element *e = &declaration->elements[i];
224 e->format_desc = getFormatDescEntry(elements[i].format, gl_info);
225 e->ffp_valid = declaration_element_valid_ffp(&elements[i]);
226 e->input_slot = elements[i].input_slot;
227 e->offset = elements[i].offset;
228 e->output_slot = elements[i].output_slot;
229 e->method = elements[i].method;
230 e->usage = elements[i].usage;
231 e->usage_idx = elements[i].usage_idx;
233 if (e->usage == WINED3DDECLUSAGE_POSITIONT) declaration->position_transformed = TRUE;
235 /* Find the streams used in the declaration. The vertex buffers have
236 * to be loaded when drawing, but filter tesselation pseudo streams. */
237 if (e->input_slot >= MAX_STREAMS) continue;
239 if (!e->format_desc->gl_vtx_format)
241 FIXME("The application tries to use an unsupported format (%s), returning E_FAIL.\n",
242 debug_d3dformat(elements[i].format));
243 HeapFree(GetProcessHeap(), 0, declaration->elements);
249 WARN("Declaration element %u is not 4 byte aligned(%u), returning E_FAIL.\n", i, e->offset);
250 HeapFree(GetProcessHeap(), 0, declaration->elements);
254 if (!(preloaded & (1 << e->input_slot)))
256 declaration->streams[declaration->num_streams] = e->input_slot;
257 ++declaration->num_streams;
258 preloaded |= 1 << e->input_slot;
261 if (elements[i].format == WINED3DFMT_R16G16_FLOAT || elements[i].format == WINED3DFMT_R16G16B16A16_FLOAT)
263 if (!gl_info->supported[ARB_HALF_FLOAT_VERTEX]) declaration->half_float_conv_needed = TRUE;