tree 2dd774066137025ceb8fc818def1904639fbd999
parent 62fe67a7b6e32e42c58d5708953b06d1dd5f1935
author Tim Van Patten <timvp@google.com> 1760024617 -0600
committer Angle LUCI CQ <angle-scoped@luci-project-accounts.iam.gserviceaccount.com> 1760128845 -0700

tests: Fix ShadingRateEXTTest.FragmentShadingRatePrimitive

The test ShadingRateEXTTest.FragmentShadingRatePrimitive has several
errors:

1. The uniform 'u_color' is not set to any value.
2. The test incorrectly assumes GL_SHADING_RATE_1X1_PIXELS_EXT results
   in the GLSL built-in 'gl_ShadingRateEXT' having a non-zero value.
3. The test attempts to validate the GL_SHADING_RATE_2X2_PIXELS_EXT
   behavior, but never calls glShadingRateEXT() with this value.
4. kSimplePrimitiveShadingRateGS needs to set gl_PrimitiveShadingRateEXT
   each iteration of the loop, rather than just once, due to the
   EmitVertex() call which resets all output variables to undefined
   values.

Once these issues are fixed, the test passes.

Bug: b/450024489
Bug: angleproject:444980424
Test: ShadingRateEXTTest.FragmentShadingRatePrimitive
Change-Id: If3b9379d4aac97bb106cc0b04550068cd0783a94
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/7027991
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Tim Van Patten <timvp@google.com>