[Mesa-dev] [PATCH 2/4] gallium: extend resource_resolve to accommodate BlitFramebuffer
e0425955 at student.tuwien.ac.at
Mon Jul 25 05:47:33 PDT 2011
Resolve via glBlitFramebuffer allows resolving a sub-region of a
renderbuffer to a different location in any mipmap level of some
other texture, therefore location and size parameters are needed.
The mask parameter was added because resolving only depth or only
stencil of a combined buffer is possible as well.
Copying from FBO to a window system buffer requires a vertical
so the yflip parameter was added.
The y-flip parameter could be left out if pipe_box was changed to
contain signed width/height or x0,y0,x1,y1 instead.
This might benefit other methods, such as resource_copy_region, where
some hw can easily do a backwards copy (yflip).
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