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authorMarek Olšák <[email protected]>2010-12-11 13:22:19 +0100
committerMarek Olšák <[email protected]>2010-12-11 13:37:57 +0100
commitd0990db6bd7d6e9e1cd780dc6b50ce00408a3cbc (patch)
tree7a84c39b2cd56612ef7712c7e20578898146f7ad /src/gallium/auxiliary/tgsi/tgsi_util.h
parent9e1fbd3d6e2a8accd0ebdc5937dd6eb7a8ef9b10 (diff)
r300/compiler: fix swizzle lowering with a presubtract source operand
If a source operand has a non-native swizzle (e.g. the KIL instruction cannot have a swizzle other than .xyzw), the lowering pass uses one or more MOV instructions to move the operand to an intermediate temporary with native swizzles. This commit fixes that the presubtract information was lost during the lowering. NOTE: This is a candidate for both the 7.9 and 7.10 branches.
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