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  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wined3d_private.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(d3d_decl);
  28
  29 /**
  30  * DirectX9 SDK download
  31  *  http://msdn.microsoft.com/library/default.asp?url=/downloads/list/directx.asp
  32  *
  33  * Exploring D3DX
  34  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndrive/html/directx07162002.asp
  35  *
  36  * Using Vertex Shaders
  37  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndrive/html/directx02192001.asp
  38  *
  39  * Dx9 New
  40  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/whatsnew.asp
  41  *
  42  * Dx9 Shaders
  43  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/reference/Shaders/VertexShader2_0/VertexShader2_0.asp
  44  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/reference/Shaders/VertexShader2_0/Instructions/Instructions.asp
  45  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/programmingguide/GettingStarted/VertexDeclaration/VertexDeclaration.asp
  46  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/reference/Shaders/VertexShader3_0/VertexShader3_0.asp
  47  *
  48  * Dx9 D3DX
  49  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/programmingguide/advancedtopics/VertexPipe/matrixstack/matrixstack.asp
  50  *
  51  * FVF
  52  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/programmingguide/GettingStarted/VertexFormats/vformats.asp
  53  *
  54  * NVIDIA: DX8 Vertex Shader to NV Vertex Program
  55  *  http://developer.nvidia.com/view.asp?IO=vstovp
  56  *
  57  * NVIDIA: Memory Management with VAR
  58  *  http://developer.nvidia.com/view.asp?IO=var_memory_management
  59  */
  60
  61 static void dump_wined3dvertexelement(const WINED3DVERTEXELEMENT *element) {
  62     TRACE("     Stream: %d\n", element->Stream);
  63     TRACE("     Offset: %d\n", element->Offset);
  64     TRACE("       Type: %s (%#x)\n", debug_d3ddecltype(element->Type), element->Type);
  65     TRACE("     Method: %s (%#x)\n", debug_d3ddeclmethod(element->Method), element->Method);
  66     TRACE("      Usage: %s (%#x)\n", debug_d3ddeclusage(element->Usage), element->Usage);
  67     TRACE("Usage index: %d\n", element->UsageIndex);
  68     TRACE("   Register: %d\n", element->Reg);
  69 }
  70
  71 /* *******************************************
  72    IWineD3DVertexDeclaration IUnknown parts follow
  73    ******************************************* */
  74 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_QueryInterface(IWineD3DVertexDeclaration *iface, REFIID riid, LPVOID *ppobj)
  75 {
  76     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  77     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
  78     if (IsEqualGUID(riid, &IID_IUnknown)
  79         || IsEqualGUID(riid, &IID_IWineD3DBase)
  80         || IsEqualGUID(riid, &IID_IWineD3DVertexDeclaration)){
  81         IUnknown_AddRef(iface);
  82         *ppobj = This;
  83         return S_OK;
  84     }
  85     *ppobj = NULL;
  86     return E_NOINTERFACE;
  87 }
  88
  89 static ULONG WINAPI IWineD3DVertexDeclarationImpl_AddRef(IWineD3DVertexDeclaration *iface) {
  90     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  91     TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
  92     return InterlockedIncrement(&This->ref);
  93 }
  94
  95 static ULONG WINAPI IWineD3DVertexDeclarationImpl_Release(IWineD3DVertexDeclaration *iface) {
  96     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
  97     ULONG ref;
  98     TRACE("(%p) : Releasing from %d\n", This, This->ref);
  99     ref = InterlockedDecrement(&This->ref);
 100     if (ref == 0) {
 101         if(iface == This->wineD3DDevice->stateBlock->vertexDecl) {
 102             /* See comment in PixelShader::Release */
 103             IWineD3DDeviceImpl_MarkStateDirty(This->wineD3DDevice, STATE_VDECL);
 104         }
 105
 106         HeapFree(GetProcessHeap(), 0, This->pDeclarationWine);
 107         HeapFree(GetProcessHeap(), 0, This);
 108     }
 109     return ref;
 110 }
 111
 112 /* *******************************************
 113    IWineD3DVertexDeclaration parts follow
 114    ******************************************* */
 115
 116 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetParent(IWineD3DVertexDeclaration *iface, IUnknown** parent){
 117     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 118
 119     *parent= This->parent;
 120     IUnknown_AddRef(*parent);
 121     TRACE("(%p) : returning %p\n", This, *parent);
 122     return WINED3D_OK;
 123 }
 124
 125 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDevice(IWineD3DVertexDeclaration *iface, IWineD3DDevice** ppDevice) {
 126     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 127     TRACE("(%p) : returning %p\n", This, This->wineD3DDevice);
 128
 129     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
 130     IWineD3DDevice_AddRef(*ppDevice);
 131
 132     return WINED3D_OK;
 133 }
 134
 135 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDeclaration(IWineD3DVertexDeclaration *iface,
 136         WINED3DVERTEXELEMENT *elements, size_t *element_count) {
 137     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 138     HRESULT hr = WINED3D_OK;
 139
 140     TRACE("(%p) : d3d version %d, elements %p, element_count %p\n",
 141             This, ((IWineD3DImpl *)This->wineD3DDevice->wineD3D)->dxVersion, elements, element_count);
 142
 143     *element_count = This->declarationWNumElements;
 144     if (elements) {
 145         CopyMemory(elements, This->pDeclarationWine, This->declarationWNumElements * sizeof(WINED3DVERTEXELEMENT));
 146     }
 147
 148     return hr;
 149 }
 150
 151 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_SetDeclaration(IWineD3DVertexDeclaration *iface,
 152         const WINED3DVERTEXELEMENT *elements, size_t element_count) {
 153     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 154     HRESULT hr = WINED3D_OK;
 155
 156     TRACE("(%p) : d3d version %d\n", This, ((IWineD3DImpl *)This->wineD3DDevice->wineD3D)->dxVersion);
 157
 158     if (TRACE_ON(d3d_decl)) {
 159         int i;
 160         for (i = 0; i < element_count; ++i) {
 161             dump_wined3dvertexelement(elements+i);
 162         }
 163     }
 164
 165     This->declarationWNumElements = element_count;
 166     This->pDeclarationWine = HeapAlloc(GetProcessHeap(), 0, sizeof(WINED3DVERTEXELEMENT) * element_count);
 167     if (!This->pDeclarationWine) {
 168         ERR("Memory allocation failed\n");
 169         hr = WINED3DERR_OUTOFVIDEOMEMORY;
 170     } else {
 171         CopyMemory(This->pDeclarationWine, elements, sizeof(WINED3DVERTEXELEMENT) * element_count);
 172     }
 173
 174     TRACE("Returning\n");
 175     return hr;
 176 }
 177
 178 const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl =
 179 {
 180     /* IUnknown */
 181     IWineD3DVertexDeclarationImpl_QueryInterface,
 182     IWineD3DVertexDeclarationImpl_AddRef,
 183     IWineD3DVertexDeclarationImpl_Release,
 184     /* IWineD3DVertexDeclaration */
 185     IWineD3DVertexDeclarationImpl_GetParent,
 186     IWineD3DVertexDeclarationImpl_GetDevice,
 187     IWineD3DVertexDeclarationImpl_GetDeclaration,
 188     IWineD3DVertexDeclarationImpl_SetDeclaration
 189 };