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authorKenneth Graunke <[email protected]>2015-07-28 18:16:37 -0700
committerKenneth Graunke <[email protected]>2015-10-26 16:37:07 -0700
commit8034e7d6f1be3c9c1a9626b64830617ccf000ecc (patch)
tree0eed5c2ba83b9b0a66d25511c15c18534e85f7e7 /src/gallium
parent8f84a8e257291168ec4b394b1eaa6acef1538cea (diff)
glsl: Convert TES gl_PatchVerticesIn into a constant when using a TCS.
When a TCS is present, the TES input gl_PatchVerticesIn is actually a constant - it's simply the # of output vertices specified by the TCS layout qualifiers. So, we can replace the system value with a constant, which may allow further optimization, and will likely be more efficient. If the TCS is absent, we can't do this optimization. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
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