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wined3d: Avoid loading the destination surface in stretch_rect_fbo() if it will be completely overwritten.

This commit is contained in:
Henri Verbeet 2010-07-23 11:31:05 +02:00 committed by Alexandre Julliard
parent 0b630e1430
commit 2f028f0340
1 changed files with 15 additions and 4 deletions
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17
dlls/wined3d/device.c
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@ -5743,6 +5743,15 @@ static HRESULT WINAPI IWineD3DDeviceImpl_GetDepthStencilSurface(IWineD3DDevice
} }
} }
static BOOL surface_is_full_rect(IWineD3DSurfaceImpl *surface, const RECT *r)
{
if ((r->left && r->right) || abs(r->right - r->left) != surface->currentDesc.Width)
return FALSE;
if ((r->top && r->bottom) || abs(r->bottom - r->top) != surface->currentDesc.Height)
return FALSE;
return TRUE;
}
void stretch_rect_fbo(IWineD3DDeviceImpl *device, IWineD3DSurfaceImpl *src_surface, const RECT *src_rect_in, void stretch_rect_fbo(IWineD3DDeviceImpl *device, IWineD3DSurfaceImpl *src_surface, const RECT *src_rect_in,
IWineD3DSurfaceImpl *dst_surface, const RECT *dst_rect_in, const WINED3DTEXTUREFILTERTYPE filter) IWineD3DSurfaceImpl *dst_surface, const RECT *dst_rect_in, const WINED3DTEXTUREFILTERTYPE filter)
{ {
@ -5772,10 +5781,12 @@ void stretch_rect_fbo(IWineD3DDeviceImpl *device, IWineD3DSurfaceImpl *src_surfa
break; break;
} }
/* Make sure the drawables are up-to-date. Note that loading the /* Make sure the drawables are up-to-date. Loading the destination
* destination surface isn't strictly required if we overwrite the * surface isn't required if the entire surface is overwritten. (And is
* entire surface. */ * in fact harmful if we're being called by surface_load_location() with
* the purpose of loading the destination surface.) */
surface_load_location(src_surface, SFLAG_INDRAWABLE, NULL); surface_load_location(src_surface, SFLAG_INDRAWABLE, NULL);
if (!surface_is_full_rect(dst_surface, &dst_rect))
surface_load_location(dst_surface, SFLAG_INDRAWABLE, NULL); surface_load_location(dst_surface, SFLAG_INDRAWABLE, NULL);
if (!surface_is_offscreen(src_surface)) context = context_acquire(device, src_surface); if (!surface_is_offscreen(src_surface)) context = context_acquire(device, src_surface);