/*****************************************************************************
* IDirect3DVertexBuffer7::GetVertexBufferDesc
*
* Returns the description of a vertex buffer
*
* Params:
* Desc: Address to write the description to
*
* Returns
* DDERR_INVALIDPARAMS if Desc is NULL
* D3D_OK on success
*
*****************************************************************************/
static HRESULT WINAPI
IDirect3DVertexBufferImpl_GetVertexBufferDesc(IDirect3DVertexBuffer7 *iface,
D3DVERTEXBUFFERDESC *Desc)
{
ICOM_THIS_FROM(IDirect3DVertexBufferImpl, IDirect3DVertexBuffer7, iface);
WINED3DVERTEXBUFFER_DESC WDesc;
HRESULT hr;
TRACE("(%p)->(%p)\n", This, Desc);
if(!Desc) return DDERR_INVALIDPARAMS;
EnterCriticalSection(&ddraw_cs);
hr = IWineD3DVertexBuffer_GetDesc(This->wineD3DVertexBuffer,
&WDesc);
if(hr != D3D_OK)
{
ERR("(%p) IWineD3DVertexBuffer::GetDesc failed with hr=%08x\n", This, hr);
LeaveCriticalSection(&ddraw_cs);
return hr;
}
/* Now fill the Desc structure */
Desc->dwCaps = This->Caps;
Desc->dwFVF = WDesc.FVF;
Desc->dwNumVertices = WDesc.Size / get_flexible_vertex_size(WDesc.FVF);
LeaveCriticalSection(&ddraw_cs);
return D3D_OK;
}
/*****************************************************************************
* IDirect3DVertexBuffer7::Lock
*
* Locks the vertex buffer and returns a pointer to the vertex data
* Locking vertex buffers is similar to locking surfaces, because Windows
* uses surfaces to store vertex data internally (According to the DX sdk)
*
* Params:
* Flags: Locking flags. Relevant here are DDLOCK_READONLY, DDLOCK_WRITEONLY,
* DDLOCK_DISCARDCONTENTS and DDLOCK_NOOVERWRITE.
* Data: Returns a pointer to the vertex data
* Size: Returns the size of the buffer if not NULL
*
* Returns:
* D3D_OK on success
* DDERR_INVALIDPARAMS if Data is NULL
* D3DERR_VERTEXBUFFEROPTIMIZED if called on an optimized buffer(WineD3D)
*
*****************************************************************************/
static HRESULT WINAPI
IDirect3DVertexBufferImpl_Lock(IDirect3DVertexBuffer7 *iface,
DWORD Flags,
void **Data,
DWORD *Size)
{
ICOM_THIS_FROM(IDirect3DVertexBufferImpl, IDirect3DVertexBuffer7, iface);
WINED3DVERTEXBUFFER_DESC Desc;
HRESULT hr;
TRACE("(%p)->(%08x,%p,%p)\n", This, Flags, Data, Size);
EnterCriticalSection(&ddraw_cs);
if(Size)
{
/* Get the size, for returning it, and for locking */
hr = IWineD3DVertexBuffer_GetDesc(This->wineD3DVertexBuffer,
&Desc);
if(hr != D3D_OK)
{
ERR("(%p) IWineD3DVertexBuffer::GetDesc failed with hr=%08x\n", This, hr);
LeaveCriticalSection(&ddraw_cs);
return hr;
}
*Size = Desc.Size;
}
hr = IWineD3DVertexBuffer_Lock(This->wineD3DVertexBuffer,
0 /* OffsetToLock */,
0 /* SizeToLock, 0 == Full lock */,
(BYTE **) Data,
Flags);
LeaveCriticalSection(&ddraw_cs);
return hr;
}
static HRESULT WINAPI IDirect3DVertexBuffer9Impl_GetDesc(LPDIRECT3DVERTEXBUFFER9 iface, D3DVERTEXBUFFER_DESC* pDesc) {
IDirect3DVertexBuffer9Impl *This = (IDirect3DVertexBuffer9Impl *)iface;
TRACE("(%p) Relay\n", This);
return IWineD3DVertexBuffer_GetDesc(This->wineD3DVertexBuffer, (WINED3DVERTEXBUFFER_DESC *) pDesc);
}
/*****************************************************************************
* IDirect3DVertexBuffer7::ProcessVertices
*
* Processes untransformed Vertices into a transformed or optimized vertex
* buffer. It can also perform other operations, such as lighting or clipping
*
* Params
* VertexOp: Operation(s) to perform: D3DVOP_CLIP, _EXTENTS, _LIGHT, _TRANSFORM
* DestIndex: Index in the destination buffer(This), where the vertices are
* placed
* Count: Number of Vertices in the Source buffer to process
* SrcBuffer: Source vertex buffer
* SrcIndex: Index of the first vertex in the src buffer to process
* D3DDevice: Device to use for transformation
* Flags: 0 for default, D3DPV_DONOTCOPYDATA to prevent copying
* unchaned vertices
*
* Returns:
* D3D_OK on success
* DDERR_INVALIDPARAMS If D3DVOP_TRANSFORM wasn't passed
*
*****************************************************************************/
static HRESULT WINAPI
IDirect3DVertexBufferImpl_ProcessVertices(IDirect3DVertexBuffer7 *iface,
DWORD VertexOp,
DWORD DestIndex,
DWORD Count,
IDirect3DVertexBuffer7 *SrcBuffer,
DWORD SrcIndex,
IDirect3DDevice7 *D3DDevice,
DWORD Flags)
{
ICOM_THIS_FROM(IDirect3DVertexBufferImpl, IDirect3DVertexBuffer7, iface);
IDirect3DVertexBufferImpl *Src = ICOM_OBJECT(IDirect3DVertexBufferImpl, IDirect3DVertexBuffer7, SrcBuffer);
IDirect3DDeviceImpl *D3D = ICOM_OBJECT(IDirect3DDeviceImpl, IDirect3DDevice7, D3DDevice);
BOOL oldClip, doClip;
HRESULT hr;
WINED3DVERTEXBUFFER_DESC Desc;
TRACE("(%p)->(%08x,%d,%d,%p,%d,%p,%08x)\n", This, VertexOp, DestIndex, Count, Src, SrcIndex, D3D, Flags);
/* Vertex operations:
* D3DVOP_CLIP: Clips vertices outside the viewing frustrum. Needs clipping information
* in the vertex buffer (Buffer may not be created with D3DVBCAPS_DONOTCLIP)
* D3DVOP_EXTENTS: Causes the screen extents to be updated when rendering the vertices
* D3DVOP_LIGHT: Lights the vertices
* D3DVOP_TRANSFORM: Transform the vertices. This flag is necessary
*
* WineD3D only transforms and clips the vertices by now, so EXTENTS and LIGHT
* are not implemented. Clipping is disabled ATM, because of unsure conditions.
*/
if( !(VertexOp & D3DVOP_TRANSFORM) ) return DDERR_INVALIDPARAMS;
EnterCriticalSection(&ddraw_cs);
/* WineD3D doesn't know d3d7 vertex operation, it uses
* render states instead. Set the render states according to
* the vertex ops
*/
doClip = VertexOp & D3DVOP_CLIP ? TRUE : FALSE;
IWineD3DDevice_GetRenderState(D3D->wineD3DDevice,
WINED3DRS_CLIPPING,
(DWORD *) &oldClip);
if(doClip != oldClip)
{
IWineD3DDevice_SetRenderState(D3D->wineD3DDevice,
WINED3DRS_CLIPPING,
doClip);
}
IWineD3DVertexBuffer_GetDesc(Src->wineD3DVertexBuffer,
&Desc);
IWineD3DDevice_SetStreamSource(D3D->wineD3DDevice,
0, /* Stream No */
Src->wineD3DVertexBuffer,
0, /* Offset */
get_flexible_vertex_size(Desc.FVF));
IWineD3DDevice_SetVertexDeclaration(D3D->wineD3DDevice,
Src->wineD3DVertexDeclaration);
hr = IWineD3DDevice_ProcessVertices(D3D->wineD3DDevice,
SrcIndex,
DestIndex,
Count,
This->wineD3DVertexBuffer,
NULL /* Output vdecl */,
Flags);
/* Restore the states if needed */
if(doClip != oldClip)
IWineD3DDevice_SetRenderState(D3D->wineD3DDevice,
WINED3DRS_CLIPPING,
oldClip);
LeaveCriticalSection(&ddraw_cs);
return hr;
}
