Sweden-Number/dlls/wined3d/vertexbuffer.c

463 lines
20 KiB
C

/*
* IWineD3DVertexBuffer Implementation
*
* Copyright 2002-2005 Jason Edmeades
* Raphael Junqueira
* Copyright 2004 Christian Costa
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wined3d_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3d);
#define GLINFO_LOCATION ((IWineD3DImpl *)(((IWineD3DDeviceImpl *)This->resource.wineD3DDevice)->wineD3D))->gl_info
/* *******************************************
IWineD3DVertexBuffer IUnknown parts follow
******************************************* */
static HRESULT WINAPI IWineD3DVertexBufferImpl_QueryInterface(IWineD3DVertexBuffer *iface, REFIID riid, LPVOID *ppobj)
{
IWineD3DVertexBufferImpl *This = (IWineD3DVertexBufferImpl *)iface;
TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_IWineD3DBase)
|| IsEqualGUID(riid, &IID_IWineD3DResource)
|| IsEqualGUID(riid, &IID_IWineD3DVertexBuffer)){
IUnknown_AddRef(iface);
*ppobj = This;
return S_OK;
}
*ppobj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI IWineD3DVertexBufferImpl_AddRef(IWineD3DVertexBuffer *iface) {
IWineD3DVertexBufferImpl *This = (IWineD3DVertexBufferImpl *)iface;
ULONG ref = InterlockedIncrement(&This->resource.ref);
TRACE("(%p) : AddRef increasing from %ld\n", This, ref - 1);
return ref;
}
static ULONG WINAPI IWineD3DVertexBufferImpl_Release(IWineD3DVertexBuffer *iface) {
IWineD3DVertexBufferImpl *This = (IWineD3DVertexBufferImpl *)iface;
ULONG ref = InterlockedDecrement(&This->resource.ref);
TRACE("(%p) : Releasing from %ld\n", This, ref + 1);
if (ref == 0) {
if(This->vbo) {
ENTER_GL();
GL_EXTCALL(glDeleteBuffersARB(1, &This->vbo));
checkGLcall("glDeleteBuffersARB");
LEAVE_GL();
}
IWineD3DResourceImpl_CleanUp((IWineD3DResource *)iface);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
/* ****************************************************
IWineD3DVertexBuffer IWineD3DResource parts follow
**************************************************** */
static HRESULT WINAPI IWineD3DVertexBufferImpl_GetDevice(IWineD3DVertexBuffer *iface, IWineD3DDevice** ppDevice) {
return IWineD3DResourceImpl_GetDevice((IWineD3DResource *)iface, ppDevice);
}
static HRESULT WINAPI IWineD3DVertexBufferImpl_SetPrivateData(IWineD3DVertexBuffer *iface, REFGUID refguid, CONST void* pData, DWORD SizeOfData, DWORD Flags) {
return IWineD3DResourceImpl_SetPrivateData((IWineD3DResource *)iface, refguid, pData, SizeOfData, Flags);
}
static HRESULT WINAPI IWineD3DVertexBufferImpl_GetPrivateData(IWineD3DVertexBuffer *iface, REFGUID refguid, void* pData, DWORD* pSizeOfData) {
return IWineD3DResourceImpl_GetPrivateData((IWineD3DResource *)iface, refguid, pData, pSizeOfData);
}
static HRESULT WINAPI IWineD3DVertexBufferImpl_FreePrivateData(IWineD3DVertexBuffer *iface, REFGUID refguid) {
return IWineD3DResourceImpl_FreePrivateData((IWineD3DResource *)iface, refguid);
}
static DWORD WINAPI IWineD3DVertexBufferImpl_SetPriority(IWineD3DVertexBuffer *iface, DWORD PriorityNew) {
return IWineD3DResourceImpl_SetPriority((IWineD3DResource *)iface, PriorityNew);
}
static DWORD WINAPI IWineD3DVertexBufferImpl_GetPriority(IWineD3DVertexBuffer *iface) {
return IWineD3DResourceImpl_GetPriority((IWineD3DResource *)iface);
}
static void fixup_vertices(BYTE *src, BYTE *dst, int stride, int num, BYTE *pos, BOOL haspos, BYTE *diffuse, BOOL hasdiffuse, BYTE *specular, BOOL hasspecular) {
int i;
float x, y, z, w;
for(i = num - 1; i >= 0; i--) {
if(haspos) {
float *p = (float *) (((int) src + (int) pos) + i * stride);
/* rhw conversion like in drawStridedSlow */
if(p[3] == 1.0 || ((p[3] < eps) && (p[3] > -eps))) {
x = p[0];
y = p[1];
z = p[2];
w = 1.0;
} else {
w = 1.0 / p[3];
x = p[0] * w;
y = p[1] * w;
z = p[2] * w;
}
p = (float *) ((int) dst + i * stride + (int) pos);
p[0] = x;
p[1] = y;
p[2] = z;
p[3] = w;
}
if(hasdiffuse) {
DWORD srcColor, *dstColor = (DWORD *) (dst + i * stride + (int) diffuse);
srcColor = * (DWORD *) ( ((int) src + (int) diffuse) + i * stride);
/* Color conversion like in drawStridedSlow. watch out for little endianity
* If we want that stuff to work on big endian machines too we have to consider more things
*
* 0xff000000: Alpha mask
* 0x00ff0000: Blue mask
* 0x0000ff00: Green mask
* 0x000000ff: Red mask
*/
*dstColor = 0;
*dstColor |= (srcColor & 0xff00ff00) ; /* Alpha Green */
*dstColor |= (srcColor & 0x00ff0000) >> 16; /* Red */
*dstColor |= (srcColor & 0x000000ff) << 16; /* Blue */
}
if(hasspecular) {
DWORD srcColor, *dstColor = (DWORD *) (dst + i * stride + (int) specular);
srcColor = * (DWORD *) ( ((int) src + (int) specular) + i * stride);
/* Simmilar to diffuse
* TODO: Write the alpha value out for fog coords
*/
*dstColor = 0;
*dstColor |= (srcColor & 0xff00ff00) ; /* Alpha Green */
*dstColor |= (srcColor & 0x00ff0000) >> 16; /* Red */
*dstColor |= (srcColor & 0x000000ff) << 16; /* Blue */
}
}
}
static void WINAPI IWineD3DVertexBufferImpl_PreLoad(IWineD3DVertexBuffer *iface) {
IWineD3DVertexBufferImpl *This = (IWineD3DVertexBufferImpl *) iface;
BYTE *data;
UINT start = 0, end = 0, stride = 0;
BOOL useVertexShaderFunction = FALSE, fixup = FALSE;
TRACE("(%p)->()\n", This);
if(This->Flags & VBFLAG_LOAD) {
return; /* Already doing that stuff */
}
if(!This->resource.allocatedMemory) {
TRACE("Locking directly into VBO, nothing to do\n");
return; /* Direct lock into the VBO */
}
if(This->vbo) {
WineDirect3DVertexStridedData strided;
IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
if(This->Flags & VBFLAG_DIRTY) {
/* Update the old buffer on unlock, use the old desc */
start = This->dirtystart;
end = This->dirtyend;
memcpy(&strided, &This->strided, sizeof(strided));
if (strided.u.s.position.dwStride) stride = strided.u.s.position.dwStride;
else if(strided.u.s.specular.dwStride) stride = strided.u.s.specular.dwStride;
else if(strided.u.s.diffuse.dwStride) stride = strided.u.s.diffuse.dwStride;
else {
/* That means that there is nothing to fixup, just override previously modified data */
fixup = FALSE;
}
if(stride) fixup = TRUE;
} else {
/* Keep this in sync with drawPrimitive in drawprim.c */
if (device->stateBlock->vertexShader != NULL && wined3d_settings.vs_mode != VS_NONE
&&((IWineD3DVertexShaderImpl *)device->stateBlock->vertexShader)->baseShader.function != NULL
&& GL_SUPPORT(ARB_VERTEX_PROGRAM)) {
/* Using shaders? No conversion needed, the shaders handle this */
TRACE("Using vertex shaders, not doing any vertex conversion\n");
ENTER_GL();
GL_EXTCALL(glBindBufferARB(GL_ARRAY_BUFFER_ARB, This->vbo));
checkGLcall("glBindBufferARB");
GL_EXTCALL(glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, This->resource.size, This->resource.allocatedMemory));
checkGLcall("glBufferSubDataARB");
LEAVE_GL();
/* Lock directly into the VBO in the future */
HeapFree(GetProcessHeap(), 0, This->resource.allocatedMemory);
This->resource.allocatedMemory = NULL;
This->Flags &= ~VBFLAG_DIRTY;
return;
}
/* The code below reads the FVF / Vertex Declaration to find out which bits we have to convert
* Basically I can't see any reason why it can't change from DrawPrimitive to DrawPrimitive call
* from the DX api, but I think no sane game will do that. Reading the vertex declaration is quite
* complex, and we should save as much CPU time as possible. So read it only once ans assume that
* it doesn't change silently. I expect Windows D3D drivers to depend on that too
*/
if(This->Flags & VBFLAG_HASDESC) return;
/* Check against updated declarations */
memset(&strided, 0, sizeof(strided));
if(device->stateBlock->vertexDecl || device->stateBlock->vertexShader) {
/* Check against the stream offset and make sure it is 0 */
This->Flags |= VBFLAG_LOAD;
primitiveDeclarationConvertToStridedData((IWineD3DDevice *) device,
useVertexShaderFunction,
&strided,
0,
&fixup);
This->Flags &= ~VBFLAG_LOAD;
/* Only take care for stuff that is in this buffer, well, only the stuff that is interesting */
if(strided.u.s.position.VBO != This->vbo) memset(&strided.u.s.position, 0, sizeof(strided.u.s.position));
if(strided.u.s.diffuse.VBO != This->vbo) memset(&strided.u.s.diffuse, 0, sizeof(strided.u.s.diffuse));
if(strided.u.s.specular.VBO != This->vbo) memset(&strided.u.s.specular, 0, sizeof(strided.u.s.specular));
if(strided.u.s.position2.VBO != This->vbo) memset(&strided.u.s.position2, 0, sizeof(strided.u.s.position2));
} else {
if(!(This->Flags & VBFLAG_STREAM) ) {
TRACE("No vertex decl used and buffer is not bound to a stream, nothing to do\n");
return;
}
This->Flags |= VBFLAG_LOAD;
primitiveConvertFVFtoOffset(device->stateBlock->fvf,
device->stateBlock->streamStride[This->stream],
NULL,
&strided,
This->vbo);
This->Flags &= ~VBFLAG_LOAD;
}
/* If any data that needs conversion has changed we have to reload the whole buffer */
if( ( (This->strided.u.s.position_transformed || strided.u.s.position_transformed) &&
This->strided.u.s.position.lpData != strided.u.s.position.lpData) ||
!((This->strided.u.s.diffuse.lpData == strided.u.s.diffuse.lpData && This->strided.u.s.diffuse.dwType == strided.u.s.diffuse.dwType) || strided.u.s.diffuse.VBO != This->vbo) ||
!((This->strided.u.s.specular.lpData == strided.u.s.specular.lpData && This->strided.u.s.specular.dwType == strided.u.s.specular.dwType)|| strided.u.s.specular.VBO != This->vbo) ) {
start = 0;
end = This->resource.size;
fixup = TRUE;
if (strided.u.s.position.dwStride) stride = strided.u.s.position.dwStride;
else if(strided.u.s.specular.dwStride) stride = strided.u.s.specular.dwStride;
else if(strided.u.s.diffuse.dwStride) stride = strided.u.s.diffuse.dwStride;
else {
/* That means that there is nothing to fixup, just override previously modified data */
fixup = FALSE;
}
memcpy(&This->strided, &strided, sizeof(strided));
} else {
TRACE("No declaration change\n");
/* nothing to do - the old data is correct*/
return;
}
This->Flags |= VBFLAG_HASDESC;
}
if(end == 0) {
TRACE("Buffer not dirty, nothing to do\n");
This->Flags &= ~VBFLAG_DIRTY;
return;
}
TRACE("Loading buffer\n");
if(fixup) {
data = HeapAlloc(GetProcessHeap(), 0, end-start);
if(!data) {
ERR("Out of memory\n");
return;
}
memcpy(data, This->resource.allocatedMemory + start, end - start);
fixup_vertices(data, data, stride, ( end - start) / stride,
strided.u.s.position.lpData, strided.u.s.position_transformed,
strided.u.s.diffuse.lpData, strided.u.s.diffuse.dwType == WINED3DDECLTYPE_SHORT4 || strided.u.s.diffuse.dwType == WINED3DDECLTYPE_D3DCOLOR,
strided.u.s.specular.lpData, strided.u.s.specular.dwType == WINED3DDECLTYPE_SHORT4 || strided.u.s.specular.dwType == WINED3DDECLTYPE_D3DCOLOR);
} else {
data = This->resource.allocatedMemory + start;
}
ENTER_GL();
GL_EXTCALL(glBindBufferARB(GL_ARRAY_BUFFER_ARB, This->vbo));
checkGLcall("glBindBufferARB");
GL_EXTCALL(glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, start, end - start, data));
checkGLcall("glBufferSubDataARB");
LEAVE_GL();
if(fixup) {
HeapFree(GetProcessHeap(), 0, data);
} else if(This->Flags & VBFLAG_HASDESC) {
/* Free the allocated memory, then Lock will directly lock into the
* VBO the next time :-)
*/
HeapFree(GetProcessHeap(), 0, This->resource.allocatedMemory);
This->resource.allocatedMemory = NULL;
}
}
This->Flags &= ~VBFLAG_DIRTY;
}
static WINED3DRESOURCETYPE WINAPI IWineD3DVertexBufferImpl_GetType(IWineD3DVertexBuffer *iface) {
return IWineD3DResourceImpl_GetType((IWineD3DResource *)iface);
}
static HRESULT WINAPI IWineD3DVertexBufferImpl_GetParent(IWineD3DVertexBuffer *iface, IUnknown **pParent) {
return IWineD3DResourceImpl_GetParent((IWineD3DResource *)iface, pParent);
}
/* ******************************************************
IWineD3DVertexBuffer IWineD3DVertexBuffer parts follow
****************************************************** */
static HRESULT WINAPI IWineD3DVertexBufferImpl_Lock(IWineD3DVertexBuffer *iface, UINT OffsetToLock, UINT SizeToLock, BYTE** ppbData, DWORD Flags) {
IWineD3DVertexBufferImpl *This = (IWineD3DVertexBufferImpl *)iface;
BYTE *data;
TRACE("(%p)->%d, %d, %p, %08lx\n", This, OffsetToLock, SizeToLock, ppbData, Flags);
InterlockedIncrement(&This->lockcount);
if(This->Flags & VBFLAG_DIRTY) {
if(This->dirtystart > OffsetToLock) This->dirtystart = OffsetToLock;
if(SizeToLock) {
if(This->dirtyend < OffsetToLock + SizeToLock) This->dirtyend = OffsetToLock + SizeToLock;
} else {
This->dirtyend = This->resource.size;
}
} else {
This->dirtystart = OffsetToLock;
if(SizeToLock)
This->dirtyend = OffsetToLock + SizeToLock;
else
This->dirtyend = OffsetToLock + This->resource.size;
}
if(This->resource.allocatedMemory) {
data = This->resource.allocatedMemory;
This->Flags |= VBFLAG_DIRTY;
} else {
GLenum mode = GL_READ_WRITE_ARB;
/* Return data to the VBO */
TRACE("Locking directly into the buffer\n");
if((This->resource.usage & WINED3DUSAGE_WRITEONLY) || ( Flags & D3DLOCK_DISCARD) ) {
mode = GL_WRITE_ONLY_ARB;
} else if( Flags & (D3DLOCK_READONLY | D3DLOCK_NO_DIRTY_UPDATE) ) {
mode = GL_READ_ONLY_ARB;
}
ENTER_GL();
GL_EXTCALL(glBindBufferARB(GL_ARRAY_BUFFER_ARB, This->vbo));
checkGLcall("glBindBufferARB");
data = GL_EXTCALL(glMapBufferARB(GL_ARRAY_BUFFER_ARB, mode));
LEAVE_GL();
if(!data) {
ERR("glMapBuffer failed\n");
return WINED3DERR_INVALIDCALL;
}
}
*ppbData = data + OffsetToLock;
TRACE("(%p) : returning memory of %p (base:%p,offset:%u)\n", This, data + OffsetToLock, data, OffsetToLock);
/* TODO: check Flags compatibility with This->currentDesc.Usage (see MSDN) */
return WINED3D_OK;
}
HRESULT WINAPI IWineD3DVertexBufferImpl_Unlock(IWineD3DVertexBuffer *iface) {
IWineD3DVertexBufferImpl *This = (IWineD3DVertexBufferImpl *) iface;
LONG lockcount;
TRACE("(%p)\n", This);
lockcount = InterlockedDecrement(&This->lockcount);
if(lockcount > 0) {
/* Delay loading the buffer until everything is unlocked */
TRACE("Ignoring the unlock\n");
return D3D_OK;
}
if(!This->resource.allocatedMemory) {
ENTER_GL();
GL_EXTCALL(glBindBufferARB(GL_ARRAY_BUFFER_ARB, This->vbo));
checkGLcall("glBindBufferARB");
GL_EXTCALL(glUnmapBufferARB(GL_ARRAY_BUFFER_ARB));
checkGLcall("glUnmapBufferARB");
LEAVE_GL();
} else {
IWineD3DVertexBufferImpl_PreLoad(iface);
}
return WINED3D_OK;
}
static HRESULT WINAPI IWineD3DVertexBufferImpl_GetDesc(IWineD3DVertexBuffer *iface, WINED3DVERTEXBUFFER_DESC *pDesc) {
IWineD3DVertexBufferImpl *This = (IWineD3DVertexBufferImpl *)iface;
TRACE("(%p)\n", This);
pDesc->Format = This->resource.format;
pDesc->Type = This->resource.resourceType;
pDesc->Usage = This->resource.usage;
pDesc->Pool = This->resource.pool;
pDesc->Size = This->resource.size;
pDesc->FVF = This->fvf;
return WINED3D_OK;
}
const IWineD3DVertexBufferVtbl IWineD3DVertexBuffer_Vtbl =
{
/* IUnknown */
IWineD3DVertexBufferImpl_QueryInterface,
IWineD3DVertexBufferImpl_AddRef,
IWineD3DVertexBufferImpl_Release,
/* IWineD3DResource */
IWineD3DVertexBufferImpl_GetParent,
IWineD3DVertexBufferImpl_GetDevice,
IWineD3DVertexBufferImpl_SetPrivateData,
IWineD3DVertexBufferImpl_GetPrivateData,
IWineD3DVertexBufferImpl_FreePrivateData,
IWineD3DVertexBufferImpl_SetPriority,
IWineD3DVertexBufferImpl_GetPriority,
IWineD3DVertexBufferImpl_PreLoad,
IWineD3DVertexBufferImpl_GetType,
/* IWineD3DVertexBuffer */
IWineD3DVertexBufferImpl_Lock,
IWineD3DVertexBufferImpl_Unlock,
IWineD3DVertexBufferImpl_GetDesc
};
BYTE* WINAPI IWineD3DVertexBufferImpl_GetMemory(IWineD3DVertexBuffer* iface, DWORD iOffset, GLint *vbo) {
IWineD3DVertexBufferImpl *This = (IWineD3DVertexBufferImpl *)iface;
*vbo = This->vbo;
if(This->vbo == 0) {
return This->resource.allocatedMemory + iOffset;
} else {
return (BYTE *) iOffset;
}
}
HRESULT WINAPI IWineD3DVertexBufferImpl_ReleaseMemory(IWineD3DVertexBuffer* iface) {
return WINED3D_OK;
}