wined3d: Remove redundant gl format/type code from d3dfmt_get_conv since it is alread...
[wine] / dlls / 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 }