cabinet: Remove unneeded casts.
[wine] / dlls / d3d9 / vertexdeclaration.c
1 /*
2  * IDirect3DVertexDeclaration9 implementation
3  *
4  * Copyright 2002-2003 Raphael Junqueira
5  *                     Jason Edmeades
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21
22 #include "config.h"
23 #include "d3d9_private.h"
24
25 WINE_DEFAULT_DEBUG_CHANNEL(d3d9);
26
27 typedef struct _D3DDECLTYPE_INFO {
28     D3DDECLTYPE d3dType;
29     int         size;
30     int         typesize;
31 } D3DDECLTYPE_INFO;
32
33 static D3DDECLTYPE_INFO const d3d_dtype_lookup[D3DDECLTYPE_UNUSED] = {
34    {D3DDECLTYPE_FLOAT1,    1, sizeof(float)},
35    {D3DDECLTYPE_FLOAT2,    2, sizeof(float)},
36    {D3DDECLTYPE_FLOAT3,    3, sizeof(float)},
37    {D3DDECLTYPE_FLOAT4,    4, sizeof(float)},
38    {D3DDECLTYPE_D3DCOLOR,  4, sizeof(BYTE)},
39    {D3DDECLTYPE_UBYTE4,    4, sizeof(BYTE)},
40    {D3DDECLTYPE_SHORT2,    2, sizeof(short int)},
41    {D3DDECLTYPE_SHORT4,    4, sizeof(short int)},
42    {D3DDECLTYPE_UBYTE4N,   4, sizeof(BYTE)},
43    {D3DDECLTYPE_SHORT2N,   2, sizeof(short int)},
44    {D3DDECLTYPE_SHORT4N,   4, sizeof(short int)},
45    {D3DDECLTYPE_USHORT2N,  2, sizeof(short int)},
46    {D3DDECLTYPE_USHORT4N,  4, sizeof(short int)},
47    {D3DDECLTYPE_UDEC3,     3, sizeof(short int)},
48    {D3DDECLTYPE_DEC3N,     3, sizeof(short int)},
49    {D3DDECLTYPE_FLOAT16_2, 2, sizeof(short int)},
50    {D3DDECLTYPE_FLOAT16_4, 4, sizeof(short int)}};
51
52 #define D3D_DECL_SIZE(type)          d3d_dtype_lookup[type].size
53 #define D3D_DECL_TYPESIZE(type)      d3d_dtype_lookup[type].typesize
54
55 HRESULT vdecl_convert_fvf(
56     DWORD fvf,
57     D3DVERTEXELEMENT9** ppVertexElements) {
58
59     unsigned int idx, idx2;
60     unsigned int offset;
61     BOOL has_pos = (fvf & D3DFVF_POSITION_MASK) != 0;
62     BOOL has_blend = (fvf & D3DFVF_XYZB5) > D3DFVF_XYZRHW;
63     BOOL has_blend_idx = has_blend &&
64        (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB5) ||
65         (fvf & D3DFVF_LASTBETA_D3DCOLOR) ||
66         (fvf & D3DFVF_LASTBETA_UBYTE4));
67     BOOL has_normal = (fvf & D3DFVF_NORMAL) != 0;
68     BOOL has_psize = (fvf & D3DFVF_PSIZE) != 0;
69
70     BOOL has_diffuse = (fvf & D3DFVF_DIFFUSE) != 0;
71     BOOL has_specular = (fvf & D3DFVF_SPECULAR) !=0;
72
73     DWORD num_textures = (fvf & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
74     DWORD texcoords = (fvf & 0x00FF0000) >> 16;
75
76     D3DVERTEXELEMENT9 end_element = D3DDECL_END();
77     D3DVERTEXELEMENT9 *elements = NULL;
78
79     unsigned int size;
80     DWORD num_blends = 1 + (((fvf & D3DFVF_XYZB5) - D3DFVF_XYZB1) >> 1);
81     if (has_blend_idx) num_blends--;
82
83     /* Compute declaration size */
84     size = has_pos + (has_blend && num_blends > 0) + has_blend_idx + has_normal +
85            has_psize + has_diffuse + has_specular + num_textures + 1;
86
87     /* convert the declaration */
88     elements = HeapAlloc(GetProcessHeap(), 0, size * sizeof(D3DVERTEXELEMENT9));
89     if (!elements) 
90         return D3DERR_OUTOFVIDEOMEMORY;
91
92     memcpy(&elements[size-1], &end_element, sizeof(D3DVERTEXELEMENT9));
93     idx = 0;
94     if (has_pos) {
95         if (!has_blend && (fvf & D3DFVF_XYZRHW)) {
96             elements[idx].Type = D3DDECLTYPE_FLOAT4;
97             elements[idx].Usage = D3DDECLUSAGE_POSITIONT;
98         }
99         else {
100             elements[idx].Type = D3DDECLTYPE_FLOAT3;
101             elements[idx].Usage = D3DDECLUSAGE_POSITION;
102         }
103         elements[idx].UsageIndex = 0;
104         idx++;
105     }
106     if (has_blend && (num_blends > 0)) {
107         if (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB2) && (fvf & D3DFVF_LASTBETA_D3DCOLOR))
108             elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
109         else
110             elements[idx].Type = D3DDECLTYPE_FLOAT1 + num_blends - 1;
111         elements[idx].Usage = D3DDECLUSAGE_BLENDWEIGHT;
112         elements[idx].UsageIndex = 0;
113         idx++;
114     }
115     if (has_blend_idx) {
116         if (fvf & D3DFVF_LASTBETA_UBYTE4 ||
117             (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB2) && (fvf & D3DFVF_LASTBETA_D3DCOLOR)))
118             elements[idx].Type = D3DDECLTYPE_UBYTE4;
119         else if (fvf & D3DFVF_LASTBETA_D3DCOLOR)
120             elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
121         else
122             elements[idx].Type = D3DDECLTYPE_FLOAT1;
123         elements[idx].Usage = D3DDECLUSAGE_BLENDINDICES;
124         elements[idx].UsageIndex = 0;
125         idx++;
126     }
127     if (has_normal) {
128         elements[idx].Type = D3DDECLTYPE_FLOAT3;
129         elements[idx].Usage = D3DDECLUSAGE_NORMAL;
130         elements[idx].UsageIndex = 0;
131         idx++;
132     }
133     if (has_psize) {
134         elements[idx].Type = D3DDECLTYPE_FLOAT1;
135         elements[idx].Usage = D3DDECLUSAGE_PSIZE;
136         elements[idx].UsageIndex = 0;
137         idx++;
138     }
139     if (has_diffuse) {
140         elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
141         elements[idx].Usage = D3DDECLUSAGE_COLOR;
142         elements[idx].UsageIndex = 0;
143         idx++;
144     }
145     if (has_specular) {
146         elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
147         elements[idx].Usage = D3DDECLUSAGE_COLOR;
148         elements[idx].UsageIndex = 1;
149         idx++;
150     }
151     for (idx2 = 0; idx2 < num_textures; idx2++) {
152         unsigned int numcoords = (texcoords >> (idx2*2)) & 0x03;
153         switch (numcoords) {
154             case D3DFVF_TEXTUREFORMAT1:
155                 elements[idx].Type = D3DDECLTYPE_FLOAT1;
156                 break;
157             case D3DFVF_TEXTUREFORMAT2:
158                 elements[idx].Type = D3DDECLTYPE_FLOAT2;
159                 break;
160             case D3DFVF_TEXTUREFORMAT3:
161                 elements[idx].Type = D3DDECLTYPE_FLOAT3;
162                 break;
163             case D3DFVF_TEXTUREFORMAT4:
164                 elements[idx].Type = D3DDECLTYPE_FLOAT4;
165                 break;
166         }
167         elements[idx].Usage = D3DDECLUSAGE_TEXCOORD;
168         elements[idx].UsageIndex = idx2;
169         idx++;
170     }
171
172     /* Now compute offsets, and initialize the rest of the fields */
173     for (idx = 0, offset = 0; idx < size-1; idx++) {
174         elements[idx].Stream = 0;
175         elements[idx].Method = D3DDECLMETHOD_DEFAULT;
176         elements[idx].Offset = offset;
177         offset += D3D_DECL_SIZE(elements[idx].Type) * D3D_DECL_TYPESIZE(elements[idx].Type);
178     }
179
180     *ppVertexElements = elements;
181     return D3D_OK;
182 }
183
184 /* IDirect3DVertexDeclaration9 IUnknown parts follow: */
185 static HRESULT WINAPI IDirect3DVertexDeclaration9Impl_QueryInterface(LPDIRECT3DVERTEXDECLARATION9 iface, REFIID riid, LPVOID* ppobj) {
186     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
187
188     if (IsEqualGUID(riid, &IID_IUnknown)
189         || IsEqualGUID(riid, &IID_IDirect3DVertexDeclaration9)) {
190         IUnknown_AddRef(iface);
191         *ppobj = This;
192         return S_OK;
193     }
194
195     WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
196     *ppobj = NULL;
197     return E_NOINTERFACE;
198 }
199
200 static ULONG WINAPI IDirect3DVertexDeclaration9Impl_AddRef(LPDIRECT3DVERTEXDECLARATION9 iface) {
201     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
202     ULONG ref = InterlockedIncrement(&This->ref);
203
204     TRACE("(%p) : AddRef from %d\n", This, ref - 1);
205
206     if(ref == 1) {
207         IUnknown_AddRef(This->parentDevice);
208     }
209
210     return ref;
211 }
212
213 void IDirect3DVertexDeclaration9Impl_Destroy(LPDIRECT3DVERTEXDECLARATION9 iface) {
214     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
215
216     if(This->ref != 0) {
217         /* Should not happen unless wine has a bug or the application releases references it does not own */
218         ERR("Destroying vdecl with ref != 0\n");
219     }
220     EnterCriticalSection(&d3d9_cs);
221     IWineD3DVertexDeclaration_Release(This->wineD3DVertexDeclaration);
222     LeaveCriticalSection(&d3d9_cs);
223     HeapFree(GetProcessHeap(), 0, This->elements);
224     HeapFree(GetProcessHeap(), 0, This);
225 }
226
227 static ULONG WINAPI IDirect3DVertexDeclaration9Impl_Release(LPDIRECT3DVERTEXDECLARATION9 iface) {
228     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
229     ULONG ref = InterlockedDecrement(&This->ref);
230
231     TRACE("(%p) : ReleaseRef to %d\n", This, ref);
232
233     if (ref == 0) {
234         IDirect3DDevice9 *parentDevice = This->parentDevice;
235
236         if(!This->convFVF) {
237             IDirect3DVertexDeclaration9Impl_Release(iface);
238         }
239         IUnknown_Release(parentDevice);
240     }
241     return ref;
242 }
243
244 /* IDirect3DVertexDeclaration9 Interface follow: */
245 static HRESULT WINAPI IDirect3DVertexDeclaration9Impl_GetDevice(LPDIRECT3DVERTEXDECLARATION9 iface, IDirect3DDevice9** ppDevice) {
246     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
247     IWineD3DDevice *myDevice = NULL;
248     HRESULT hr = D3D_OK;
249
250     TRACE("(%p) : Relay\n", iface);
251
252     EnterCriticalSection(&d3d9_cs);
253     hr = IWineD3DVertexDeclaration_GetDevice(This->wineD3DVertexDeclaration, &myDevice);
254     if (hr == D3D_OK && myDevice != NULL) {
255         hr = IWineD3DDevice_GetParent(myDevice, (IUnknown **)ppDevice);
256         IWineD3DDevice_Release(myDevice);
257     }
258     LeaveCriticalSection(&d3d9_cs);
259     return hr;
260 }
261
262 static HRESULT WINAPI IDirect3DVertexDeclaration9Impl_GetDeclaration(LPDIRECT3DVERTEXDECLARATION9 iface, D3DVERTEXELEMENT9* pDecl, UINT* pNumElements) {
263     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
264
265     TRACE("(%p) : pDecl %p, pNumElements %p)\n", This, pDecl, pNumElements);
266
267     *pNumElements = This->element_count;
268
269     /* Passing a NULL pDecl is used to just retrieve the number of elements */
270     if (!pDecl) {
271         TRACE("NULL pDecl passed. Returning D3D_OK.\n");
272         return D3D_OK;
273     }
274
275     TRACE("Copying %p to %p\n", This->elements, pDecl);
276     CopyMemory(pDecl, This->elements, This->element_count * sizeof(D3DVERTEXELEMENT9));
277
278     return D3D_OK;
279 }
280
281 static const IDirect3DVertexDeclaration9Vtbl Direct3DVertexDeclaration9_Vtbl =
282 {
283     /* IUnknown */
284     IDirect3DVertexDeclaration9Impl_QueryInterface,
285     IDirect3DVertexDeclaration9Impl_AddRef,
286     IDirect3DVertexDeclaration9Impl_Release,
287     /* IDirect3DVertexDeclaration9 */
288     IDirect3DVertexDeclaration9Impl_GetDevice,
289     IDirect3DVertexDeclaration9Impl_GetDeclaration
290 };
291
292 static size_t convert_to_wined3d_declaration(const D3DVERTEXELEMENT9* d3d9_elements, WINED3DVERTEXELEMENT **wined3d_elements) {
293     const D3DVERTEXELEMENT9* element;
294     size_t element_count = 1;
295     size_t i;
296
297     TRACE("d3d9_elements %p, wined3d_elements %p\n", d3d9_elements, wined3d_elements);
298
299     element = d3d9_elements;
300     while (element++->Stream != 0xff && element_count++ < 128);
301
302     if (element_count == 128) {
303         return 0;
304     }
305
306     *wined3d_elements = HeapAlloc(GetProcessHeap(), 0, element_count * sizeof(WINED3DVERTEXELEMENT));
307     if (!*wined3d_elements) {
308         FIXME("Memory allocation failed\n");
309         return 0;
310     }
311
312     for (i = 0; i < element_count; ++i) {
313         CopyMemory(*wined3d_elements + i, d3d9_elements + i, sizeof(D3DVERTEXELEMENT9));
314         (*wined3d_elements)[i].Reg = -1;
315     }
316
317     return element_count;
318 }
319
320 /* IDirect3DDevice9 IDirect3DVertexDeclaration9 Methods follow: */
321 HRESULT  WINAPI  IDirect3DDevice9Impl_CreateVertexDeclaration(LPDIRECT3DDEVICE9 iface, CONST D3DVERTEXELEMENT9* pVertexElements, IDirect3DVertexDeclaration9** ppDecl) {
322     
323     IDirect3DDevice9Impl *This = (IDirect3DDevice9Impl *)iface;
324     IDirect3DVertexDeclaration9Impl *object = NULL;
325     WINED3DVERTEXELEMENT* wined3d_elements;
326     size_t element_count;
327     HRESULT hr = D3D_OK;
328
329     TRACE("(%p) : Relay\n", iface);
330     if (NULL == ppDecl) {
331         WARN("(%p) : Caller passed NULL As ppDecl, returning D3DERR_INVALIDCALL\n",This);
332         return D3DERR_INVALIDCALL;
333     }
334
335     element_count = convert_to_wined3d_declaration(pVertexElements, &wined3d_elements);
336     if (!element_count) {
337         FIXME("(%p) : Error parsing vertex declaration\n", This);
338         return D3DERR_INVALIDCALL;
339     }
340
341     /* Allocate the storage for the device */
342     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirect3DVertexDeclaration9Impl));
343     if (NULL == object) {
344         HeapFree(GetProcessHeap(), 0, wined3d_elements);
345         FIXME("Allocation of memory failed, returning D3DERR_OUTOFVIDEOMEMORY\n");
346         return D3DERR_OUTOFVIDEOMEMORY;
347     }
348
349     object->lpVtbl = &Direct3DVertexDeclaration9_Vtbl;
350     object->ref = 0;
351
352     object->elements = HeapAlloc(GetProcessHeap(), 0, element_count * sizeof(D3DVERTEXELEMENT9));
353     if (!object->elements) {
354         HeapFree(GetProcessHeap(), 0, wined3d_elements);
355         HeapFree(GetProcessHeap(), 0, object);
356         ERR("Memory allocation failed\n");
357         return D3DERR_OUTOFVIDEOMEMORY;
358     }
359     CopyMemory(object->elements, pVertexElements, element_count * sizeof(D3DVERTEXELEMENT9));
360     object->element_count = element_count;
361
362     EnterCriticalSection(&d3d9_cs);
363     hr = IWineD3DDevice_CreateVertexDeclaration(This->WineD3DDevice, &object->wineD3DVertexDeclaration, (IUnknown *)object, wined3d_elements, element_count);
364     LeaveCriticalSection(&d3d9_cs);
365
366     HeapFree(GetProcessHeap(), 0, wined3d_elements);
367
368     if (FAILED(hr)) {
369
370         /* free up object */
371         FIXME("(%p) call to IWineD3DDevice_CreateVertexDeclaration failed\n", This);
372         HeapFree(GetProcessHeap(), 0, object->elements);
373         HeapFree(GetProcessHeap(), 0, object);
374     } else {
375         object->parentDevice = iface;
376         *ppDecl = (LPDIRECT3DVERTEXDECLARATION9) object;
377         IUnknown_AddRef(*ppDecl);
378          TRACE("(%p) : Created vertex declaration %p\n", This, object);
379     }
380     return hr;
381 }
382
383 HRESULT  WINAPI  IDirect3DDevice9Impl_SetVertexDeclaration(LPDIRECT3DDEVICE9 iface, IDirect3DVertexDeclaration9* pDecl) {
384     IDirect3DDevice9Impl *This = (IDirect3DDevice9Impl *)iface;
385     IDirect3DVertexDeclaration9Impl *pDeclImpl = (IDirect3DVertexDeclaration9Impl *)pDecl;
386     HRESULT hr = D3D_OK;
387
388     TRACE("(%p) : Relay\n", iface);
389
390     EnterCriticalSection(&d3d9_cs);
391     hr = IWineD3DDevice_SetVertexDeclaration(This->WineD3DDevice, pDeclImpl == NULL ? NULL : pDeclImpl->wineD3DVertexDeclaration);
392     LeaveCriticalSection(&d3d9_cs);
393     return hr;
394 }
395
396 HRESULT  WINAPI  IDirect3DDevice9Impl_GetVertexDeclaration(LPDIRECT3DDEVICE9 iface, IDirect3DVertexDeclaration9** ppDecl) {
397     IDirect3DDevice9Impl* This = (IDirect3DDevice9Impl*) iface;
398     IWineD3DVertexDeclaration* pTest = NULL;
399     HRESULT hr = D3D_OK;
400
401     TRACE("(%p) : Relay+\n", iface);
402
403     if (NULL == ppDecl) {
404       return D3DERR_INVALIDCALL;
405     }
406
407     *ppDecl = NULL;
408     EnterCriticalSection(&d3d9_cs);
409     hr = IWineD3DDevice_GetVertexDeclaration(This->WineD3DDevice, &pTest);
410     if (hr == D3D_OK && NULL != pTest) {
411         IWineD3DVertexDeclaration_GetParent(pTest, (IUnknown **)ppDecl);
412         IWineD3DVertexDeclaration_Release(pTest);
413     } else {
414         *ppDecl = NULL;
415     }
416     LeaveCriticalSection(&d3d9_cs);
417     TRACE("(%p) : returning %p\n", This, *ppDecl);
418     return hr;
419 }