dlls/wined3d/indexbuffer.c

   1 /*
   2  * IWineD3DIndexBuffer Implementation
   3  *
   4  * Copyright 2002-2004 Jason Edmeades
   5  * Copyright 2003-2004 Raphael Junqueira
   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);
  28 #define GLINFO_LOCATION This->resource.wineD3DDevice->adapter->gl_info
  29
  30 /* *******************************************
  31    IWineD3DIndexBuffer IUnknown parts follow
  32    ******************************************* */
  33 static HRESULT WINAPI IWineD3DIndexBufferImpl_QueryInterface(IWineD3DIndexBuffer *iface, REFIID riid, LPVOID *ppobj)
  34 {
  35     IWineD3DIndexBufferImpl *This = (IWineD3DIndexBufferImpl *)iface;
  36     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
  37     if (IsEqualGUID(riid, &IID_IUnknown)
  38         || IsEqualGUID(riid, &IID_IWineD3DBase)
  39         || IsEqualGUID(riid, &IID_IWineD3DResource)
  40         || IsEqualGUID(riid, &IID_IWineD3DIndexBuffer)){
  41         IUnknown_AddRef(iface);
  42         *ppobj = This;
  43         return S_OK;
  44     }
  45     *ppobj = NULL;
  46     return E_NOINTERFACE;
  47 }
  48
  49 static ULONG WINAPI IWineD3DIndexBufferImpl_AddRef(IWineD3DIndexBuffer *iface) {
  50     IWineD3DIndexBufferImpl *This = (IWineD3DIndexBufferImpl *)iface;
  51     ULONG ref = InterlockedIncrement(&This->resource.ref);
  52     TRACE("(%p) : AddRef increasing from %d\n", This, ref - 1);
  53     return ref;
  54 }
  55
  56 static ULONG WINAPI IWineD3DIndexBufferImpl_Release(IWineD3DIndexBuffer *iface) {
  57     IWineD3DIndexBufferImpl *This = (IWineD3DIndexBufferImpl *)iface;
  58     ULONG ref = InterlockedDecrement(&This->resource.ref);
  59     TRACE("(%p) : Releasing from %d\n", This, ref + 1);
  60     if (ref == 0) {
  61         if(This->vbo) {
  62             IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
  63
  64             ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
  65             ENTER_GL();
  66             /* No need to manually unset the buffer. glDeleteBuffers unsets it for the current context,
  67              * but not for other contexts. However, because the d3d buffer is destroyed the app has to
  68              * unset it before doing the next draw, thus dirtifying the index buffer state and forcing
  69              * binding a new buffer
  70              */
  71             GL_EXTCALL(glDeleteBuffersARB(1, &This->vbo));
  72             checkGLcall("glDeleteBuffersARB");
  73             LEAVE_GL();
  74         }
  75
  76         IWineD3DResourceImpl_CleanUp((IWineD3DResource *)iface);
  77         HeapFree(GetProcessHeap(), 0, This);
  78     }
  79     return ref;
  80 }
  81
  82 /* ****************************************************
  83    IWineD3DIndexBuffer IWineD3DResource parts follow
  84    **************************************************** */
  85 static HRESULT WINAPI IWineD3DIndexBufferImpl_GetDevice(IWineD3DIndexBuffer *iface, IWineD3DDevice** ppDevice) {
  86     return IWineD3DResourceImpl_GetDevice((IWineD3DResource *)iface, ppDevice);
  87 }
  88
  89 static HRESULT WINAPI IWineD3DIndexBufferImpl_SetPrivateData(IWineD3DIndexBuffer *iface, REFGUID refguid, CONST void* pData, DWORD SizeOfData, DWORD Flags) {
  90     return IWineD3DResourceImpl_SetPrivateData((IWineD3DResource *)iface, refguid, pData, SizeOfData, Flags);
  91 }
  92
  93 static HRESULT WINAPI IWineD3DIndexBufferImpl_GetPrivateData(IWineD3DIndexBuffer *iface, REFGUID refguid, void* pData, DWORD* pSizeOfData) {
  94     return IWineD3DResourceImpl_GetPrivateData((IWineD3DResource *)iface, refguid, pData, pSizeOfData);
  95 }
  96
  97 static HRESULT WINAPI IWineD3DIndexBufferImpl_FreePrivateData(IWineD3DIndexBuffer *iface, REFGUID refguid) {
  98     return IWineD3DResourceImpl_FreePrivateData((IWineD3DResource *)iface, refguid);
  99 }
 100
 101 static DWORD WINAPI IWineD3DIndexBufferImpl_SetPriority(IWineD3DIndexBuffer *iface, DWORD PriorityNew) {
 102     return IWineD3DResourceImpl_SetPriority((IWineD3DResource *)iface, PriorityNew);
 103 }
 104
 105 static DWORD WINAPI IWineD3DIndexBufferImpl_GetPriority(IWineD3DIndexBuffer *iface) {
 106     return IWineD3DResourceImpl_GetPriority((IWineD3DResource *)iface);
 107 }
 108
 109 static void WINAPI IWineD3DIndexBufferImpl_PreLoad(IWineD3DIndexBuffer *iface) {
 110     IWineD3DResourceImpl_PreLoad((IWineD3DResource *)iface);
 111 }
 112
 113 static WINED3DRESOURCETYPE WINAPI IWineD3DIndexBufferImpl_GetType(IWineD3DIndexBuffer *iface) {
 114     return IWineD3DResourceImpl_GetType((IWineD3DResource *)iface);
 115 }
 116
 117 static HRESULT WINAPI IWineD3DIndexBufferImpl_GetParent(IWineD3DIndexBuffer *iface, IUnknown **pParent) {
 118     return IWineD3DResourceImpl_GetParent((IWineD3DResource *)iface, pParent);
 119 }
 120
 121 /* ******************************************************
 122    IWineD3DIndexBuffer IWineD3DIndexBuffer parts follow
 123    ****************************************************** */
 124 static HRESULT WINAPI IWineD3DIndexBufferImpl_Lock(IWineD3DIndexBuffer *iface, UINT OffsetToLock, UINT SizeToLock, BYTE** ppbData, DWORD Flags) {
 125     IWineD3DIndexBufferImpl *This = (IWineD3DIndexBufferImpl *)iface;
 126     TRACE("(%p) : offset %d, size %d, Flags=%x\n", This, OffsetToLock, SizeToLock, Flags);
 127
 128     InterlockedIncrement(&This->lockcount);
 129     *ppbData = (BYTE *)This->resource.allocatedMemory + OffsetToLock;
 130
 131     if(Flags & (WINED3DLOCK_READONLY | WINED3DLOCK_NO_DIRTY_UPDATE) || This->vbo == 0) {
 132         return WINED3D_OK;
 133     }
 134
 135     if(This->dirtystart != This->dirtyend) {
 136         if(This->dirtystart > OffsetToLock) This->dirtystart = OffsetToLock;
 137         if(SizeToLock) {
 138             if(This->dirtyend < OffsetToLock + SizeToLock) This->dirtyend = OffsetToLock + SizeToLock;
 139         } else {
 140             This->dirtyend = This->resource.size;
 141         }
 142     } else {
 143         This->dirtystart = OffsetToLock;
 144         if(SizeToLock)
 145             This->dirtyend = OffsetToLock + SizeToLock;
 146         else
 147             This->dirtyend = This->resource.size;
 148     }
 149
 150     return WINED3D_OK;
 151 }
 152 static HRESULT WINAPI IWineD3DIndexBufferImpl_Unlock(IWineD3DIndexBuffer *iface) {
 153     IWineD3DIndexBufferImpl *This = (IWineD3DIndexBufferImpl *)iface;
 154     unsigned long locks = InterlockedDecrement(&This->lockcount);
 155     TRACE("(%p)\n", This);
 156
 157     /* For now load in unlock */
 158     if(locks == 0 && This->vbo && (This->dirtyend - This->dirtystart) > 0) {
 159         IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
 160
 161         ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
 162
 163         ENTER_GL();
 164         GL_EXTCALL(glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, This->vbo));
 165         checkGLcall("glBindBufferARB");
 166         GL_EXTCALL(glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
 167                 This->dirtystart, This->dirtyend - This->dirtystart, This->resource.allocatedMemory + This->dirtystart));
 168         checkGLcall("glBufferSubDataARB");
 169         LEAVE_GL();
 170         This->dirtystart = 0;
 171         This->dirtyend = 0;
 172         /* TODO: Move loading into preload when the buffer is used, that avoids dirtifying the state */
 173         IWineD3DDeviceImpl_MarkStateDirty(device, STATE_INDEXBUFFER);
 174     }
 175     return WINED3D_OK;
 176 }
 177 static HRESULT WINAPI IWineD3DIndexBufferImpl_GetDesc(IWineD3DIndexBuffer *iface, WINED3DINDEXBUFFER_DESC *pDesc) {
 178     IWineD3DIndexBufferImpl *This = (IWineD3DIndexBufferImpl *)iface;
 179
 180     TRACE("(%p)\n", This);
 181     pDesc->Format = This->resource.format;
 182     pDesc->Type   = This->resource.resourceType;
 183     pDesc->Usage  = This->resource.usage;
 184     pDesc->Pool   = This->resource.pool;
 185     pDesc->Size   = This->resource.size;
 186     return WINED3D_OK;
 187 }
 188
 189 const IWineD3DIndexBufferVtbl IWineD3DIndexBuffer_Vtbl =
 190 {
 191     /* IUnknown */
 192     IWineD3DIndexBufferImpl_QueryInterface,
 193     IWineD3DIndexBufferImpl_AddRef,
 194     IWineD3DIndexBufferImpl_Release,
 195     /* IWineD3DResource */
 196     IWineD3DIndexBufferImpl_GetParent,
 197     IWineD3DIndexBufferImpl_GetDevice,
 198     IWineD3DIndexBufferImpl_SetPrivateData,
 199     IWineD3DIndexBufferImpl_GetPrivateData,
 200     IWineD3DIndexBufferImpl_FreePrivateData,
 201     IWineD3DIndexBufferImpl_SetPriority,
 202     IWineD3DIndexBufferImpl_GetPriority,
 203     IWineD3DIndexBufferImpl_PreLoad,
 204     IWineD3DIndexBufferImpl_GetType,
 205     /* IWineD3DIndexBuffer */
 206     IWineD3DIndexBufferImpl_Lock,
 207     IWineD3DIndexBufferImpl_Unlock,
 208     IWineD3DIndexBufferImpl_GetDesc
 209 };