- Merge from trunk up to r45543
[reactos.git] / dll / directx / wine / wined3d / vertexdeclaration.c
1 /*
2 * vertex declaration implementation
3 *
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
9 *
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.
14 *
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.
19 *
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
23 */
24
25 #include "config.h"
26 #include "wined3d_private.h"
27
28 WINE_DEFAULT_DEBUG_CHANNEL(d3d_decl);
29
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);
38 }
39
40 /* *******************************************
41 IWineD3DVertexDeclaration IUnknown parts follow
42 ******************************************* */
43 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_QueryInterface(IWineD3DVertexDeclaration *iface, REFIID riid, LPVOID *ppobj)
44 {
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);
51 *ppobj = This;
52 return S_OK;
53 }
54 *ppobj = NULL;
55 return E_NOINTERFACE;
56 }
57
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);
62 }
63
64 static ULONG WINAPI IWineD3DVertexDeclarationImpl_Release(IWineD3DVertexDeclaration *iface) {
65 IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
66 ULONG ref;
67 TRACE("(%p) : Releasing from %d\n", This, This->ref);
68 ref = InterlockedDecrement(&This->ref);
69 if (!ref)
70 {
71 HeapFree(GetProcessHeap(), 0, This->elements);
72 This->parent_ops->wined3d_object_destroyed(This->parent);
73 HeapFree(GetProcessHeap(), 0, This);
74 }
75 return ref;
76 }
77
78 /* *******************************************
79 IWineD3DVertexDeclaration parts follow
80 ******************************************* */
81
82 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetParent(IWineD3DVertexDeclaration *iface, IUnknown** parent){
83 IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
84
85 *parent= This->parent;
86 IUnknown_AddRef(*parent);
87 TRACE("(%p) : returning %p\n", This, *parent);
88 return WINED3D_OK;
89 }
90
91 static BOOL declaration_element_valid_ffp(const WINED3DVERTEXELEMENT *element)
92 {
93 switch(element->usage)
94 {
95 case WINED3DDECLUSAGE_POSITION:
96 case WINED3DDECLUSAGE_POSITIONT:
97 switch(element->format)
98 {
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:
106 return TRUE;
107 default:
108 return FALSE;
109 }
110
111 case WINED3DDECLUSAGE_BLENDWEIGHT:
112 switch(element->format)
113 {
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:
124 return TRUE;
125 default:
126 return FALSE;
127 }
128
129 case WINED3DDECLUSAGE_NORMAL:
130 switch(element->format)
131 {
132 case WINED3DFMT_R32G32B32_FLOAT:
133 case WINED3DFMT_R32G32B32A32_FLOAT:
134 case WINED3DFMT_R16G16B16A16_SINT:
135 case WINED3DFMT_R16G16B16A16_FLOAT:
136 return TRUE;
137 default:
138 return FALSE;
139 }
140
141 case WINED3DDECLUSAGE_TEXCOORD:
142 switch(element->format)
143 {
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:
152 return TRUE;
153 default:
154 return FALSE;
155 }
156
157 case WINED3DDECLUSAGE_COLOR:
158 switch(element->format)
159 {
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:
169 return TRUE;
170 default:
171 return FALSE;
172 }
173
174 default:
175 return FALSE;
176 }
177 }
178
179 static const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl =
180 {
181 /* IUnknown */
182 IWineD3DVertexDeclarationImpl_QueryInterface,
183 IWineD3DVertexDeclarationImpl_AddRef,
184 IWineD3DVertexDeclarationImpl_Release,
185 /* IWineD3DVertexDeclaration */
186 IWineD3DVertexDeclarationImpl_GetParent,
187 };
188
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)
192 {
193 const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
194 WORD preloaded = 0; /* MAX_STREAMS, 16 */
195 unsigned int i;
196
197 if (TRACE_ON(d3d_decl))
198 {
199 for (i = 0; i < element_count; ++i)
200 {
201 dump_wined3dvertexelement(elements + i);
202 }
203 }
204
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)
212 {
213 ERR("Failed to allocate elements memory.\n");
214 return E_OUTOFMEMORY;
215 }
216 declaration->element_count = element_count;
217
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)
221 {
222 struct wined3d_vertex_declaration_element *e = &declaration->elements[i];
223
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;
232
233 if (e->usage == WINED3DDECLUSAGE_POSITIONT) declaration->position_transformed = TRUE;
234
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;
238
239 if (!e->format_desc->gl_vtx_format)
240 {
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);
244 return E_FAIL;
245 }
246
247 if (e->offset & 0x3)
248 {
249 WARN("Declaration element %u is not 4 byte aligned(%u), returning E_FAIL.\n", i, e->offset);
250 HeapFree(GetProcessHeap(), 0, declaration->elements);
251 return E_FAIL;
252 }
253
254 if (!(preloaded & (1 << e->input_slot)))
255 {
256 declaration->streams[declaration->num_streams] = e->input_slot;
257 ++declaration->num_streams;
258 preloaded |= 1 << e->input_slot;
259 }
260
261 if (elements[i].format == WINED3DFMT_R16G16_FLOAT || elements[i].format == WINED3DFMT_R16G16B16A16_FLOAT)
262 {
263 if (!gl_info->supported[ARB_HALF_FLOAT_VERTEX]) declaration->half_float_conv_needed = TRUE;
264 }
265 }
266
267 return WINED3D_OK;
268 }