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authorChris Forbes <[email protected]>2013-12-18 21:27:59 +1300
committerChris Forbes <[email protected]>2014-01-09 10:09:01 +1300
commit9e99735f301ebf85f8d0bfdce2bad441a5aac7f8 (patch)
tree5beaddbd1761cf23134f71e8b7a473a9f75381bd /src/gallium/drivers/freedreno/a2xx/a2xx.xml.h
parent31ec2f83385c4f13c9c8831a90db982883bbedcd (diff)
i965: fold offset into coord for textureOffset(gsampler2DRect)
The hardware is broken with nonzero texel offsets and unnormalized coordinates; instead of doing correct offsetting, we get garbage. This just extends the existing workaround for ir_txf and ir_tg4+gsampler2DRect to also consider ir_tex+gsampler2DRect. Fixes broken rendering in 'tesseract' when 'mesa_texrectoffset_bug' is not enabled; also fixes the new piglit test 'tests/spec/glsl-1.30/execution/fs-textureOffset-Rect'. Has been broken ~forever; suggesting including this in only 10.0 because the lowering pass doesn't exist in 9.2 or earlier so would require quite a different patch. Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Cc: Lee Salzman <[email protected]> Cc: "10.0" <[email protected]>
Diffstat (limited to 'src/gallium/drivers/freedreno/a2xx/a2xx.xml.h')
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