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authorPaul Berry <[email protected]>2012-06-18 13:52:02 -0700
committerPaul Berry <[email protected]>2012-06-25 11:03:26 -0700
commitd1056541e239dfcee0ad6af2fd2d9fab37dbf025 (patch)
treee4b3657bf56c7ab28cf6d503f4138183d87544e5 /src/gallium/drivers/nv50/nv50_screen.h
parentcf0e7aa9f8bc9c175ebd9b2ab3a8bfec4afc5abf (diff)
i965/msaa: Add backend support for centroid interpolation.
This patch causes the fragment shader to be configured correctly (and the correct code to be generated) for centroid interpolation. This required two changes: brw_compute_barycentric_interp_modes() needs to determine when centroid barycentric coordinates need to be included in the pixel shader thread payload, and fs_visitor::emit_general_interpolation() needs to interpolate using the correct set of barycentric coordinates. Fixes piglit tests "EXT_framebuffer_multisample/interpolation {2,4} centroid-edges" on i965. Reviewed-by: Eric Anholt <[email protected]>
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_screen.h')
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