Use StretchRect to speed up simple blits.
Fixed copy position transformation.
TRAC #16494
Signed-off-by: Daniel Koch
Author: Nicolas Capens
git-svn-id: https://angleproject.googlecode.com/svn/trunk@618 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Blit.cpp b/src/libGLESv2/Blit.cpp
index 43ed8a0..47e6fcc 100644
--- a/src/libGLESv2/Blit.cpp
+++ b/src/libGLESv2/Blit.cpp
@@ -287,6 +287,34 @@
return true;
}
+bool Blit::copy(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest)
+{
+ IDirect3DDevice9 *device = getDevice();
+
+ D3DSURFACE_DESC sourceDesc;
+ D3DSURFACE_DESC destDesc;
+ source->GetDesc(&sourceDesc);
+ dest->GetDesc(&destDesc);
+
+ if (sourceDesc.Format == destDesc.Format && destDesc.Usage & D3DUSAGE_RENDERTARGET) // Can use StretchRect
+ {
+ RECT destRect = {xoffset, yoffset, xoffset + (sourceRect.right - sourceRect.left), yoffset + (sourceRect.bottom - sourceRect.top)};
+ HRESULT result = device->StretchRect(source, &sourceRect, dest, &destRect, D3DTEXF_POINT);
+
+ if (FAILED(result))
+ {
+ ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
+ return error(GL_OUT_OF_MEMORY, false);
+ }
+ }
+ else
+ {
+ return formatConvert(source, sourceRect, destFormat, xoffset, yoffset, dest);
+ }
+
+ return true;
+}
+
bool Blit::formatConvert(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest)
{
IDirect3DTexture9 *texture = copySurfaceToTexture(source, sourceRect);