wined3d: Sort of oversized surface support.

This commit is contained in:
Stefan Dösinger 2006-05-19 00:13:29 +02:00 committed by Alexandre Julliard
parent 672fa65334
commit cfcdb6515b
3 changed files with 39 additions and 17 deletions

View File

@ -644,19 +644,6 @@ HRESULT WINAPI IWineD3DDeviceImpl_CreateSurface(IWineD3DDevice *iface, UINT Wid
}
}
/** Check against the maximum texture sizes supported by the video card **/
if (pow2Width > GL_LIMITS(texture_size) || pow2Height > GL_LIMITS(texture_size)) {
/* one of three options
1: Do the same as we do with nonpow 2 and scale the texture, (any texture ops would require the texture to be scaled which is potentially slow)
2: Set the texture to the maxium size (bad idea)
3: WARN and return WINED3DERR_NOTAVAILABLE;
*/
WARN("(%p) Application requested a surface w %d, h %d, but the graphics card only supports %d\n", This, Width, Height, GL_LIMITS(texture_size));
return WINED3DERR_NOTAVAILABLE;
}
/** DXTn mipmaps use the same number of 'levels' down to eg. 8x1, but since
* it is based around 4x4 pixel blocks it requires padding, so allocate enough
* space!
@ -850,12 +837,12 @@ HRESULT WINAPI IWineD3DDeviceImpl_CreateTexture(IWineD3DDevice *iface, UINT Wid
{
/* use the callback to create the texture surface */
hr = D3DCB_CreateSurface(This->parent, tmpW, tmpH, Format, Usage, Pool, i, &object->surfaces[i],NULL);
if (hr!= WINED3D_OK) {
if (hr!= WINED3D_OK || ( (IWineD3DSurfaceImpl *) object->surfaces[i])->Flags & SFLAG_OVERSIZE) {
int j;
FIXME("Failed to create surface %p\n", object);
/* clean up */
for (j = 0 ; j < i ; j++) {
IWineD3DSurface_Release(object->surfaces[j]);
for (j = 0 ; j <= i ; j++) {
if(object->surfaces[j]) IWineD3DSurface_Release(object->surfaces[j]);
}
/* heap free object */
HeapFree(GetProcessHeap(), 0, object);

View File

@ -1161,6 +1161,11 @@ HRESULT WINAPI IWineD3DSurfaceImpl_LoadTexture(IWineD3DSurface *iface) {
return WINED3D_OK;
}
if(!This->Flags & SFLAG_OVERSIZE) {
ERR("Loading an oversized texture not supported yet, will follow soon\n");
return WINED3D_OK; /* Return OK for now, easier for merging the code */
}
This->Flags &= ~SFLAG_DIRTY;
/* Resources are placed in system RAM and do not need to be recreated when a device is lost.
@ -1916,7 +1921,34 @@ HRESULT WINAPI IWineD3DSurfaceImpl_SetColorKey(IWineD3DSurface *iface, DWORD Fla
}
HRESULT WINAPI IWineD3DSurfaceImpl_PrivateSetup(IWineD3DSurface *iface) {
/* Nothing to do for now */
/** Check against the maximum texture sizes supported by the video card **/
IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *) iface;
TRACE("%p\n", This);
if ((This->pow2Width > GL_LIMITS(texture_size) || This->pow2Height > GL_LIMITS(texture_size)) && !(This->resource.usage & (WINED3DUSAGE_RENDERTARGET | WINED3DUSAGE_DEPTHSTENCIL))) {
/* one of three options
1: Do the same as we do with nonpow 2 and scale the texture, (any texture ops would require the texture to be scaled which is potentially slow)
2: Set the texture to the maxium size (bad idea)
3: WARN and return WINED3DERR_NOTAVAILABLE;
4: Create the surface, but allow it to be used only for DirectDraw Blts. Some apps(e.g. Swat 3) create textures with a Height of 16 and a Width > 3000 and blt 16x16 letter areas from them to the render target.
*/
WARN("(%p) Creating an oversized surface\n", This);
This->Flags |= SFLAG_OVERSIZE;
/* This will be initialized on the first blt */
This->glRect.left = 0;
This->glRect.top = 0;
This->glRect.right = 0;
This->glRect.bottom = 0;
} else {
/* No oversize, gl rect is the full texture size */
This->Flags &= ~SFLAG_OVERSIZE;
This->glRect.left = 0;
This->glRect.top = 0;
This->glRect.right = This->pow2Width;
This->glRect.bottom = This->pow2Height;
}
return WINED3D_OK;
}

View File

@ -845,6 +845,9 @@ struct IWineD3DSurfaceImpl
UINT pow2Height;
UINT pow2Size;
/* Oversized texture */
RECT glRect;
#if 0
/* precalculated x and y scalings for texture coords */
float pow2scalingFactorX; /* = (Width / pow2Width ) */