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17-Nov-2016 |
Andres Gomez <agomez@igalia.com> |
GL_ARB_shading_language_420pack: component names sets mix is forbidden
When refering to component names we can use xywz, rgba or stpq but not
mix them when refering to the components of a specific resulting vector
or scalar.
For example, this is illegal; float(1.5).xr, but this is legal;
float(1.5).xxxx.rgba.stpq.xywz
GL_ARB_shading_language_420pack doesn't explicitly forbid it but we can
find the following in the specs:
From The OpenGL® Shading Language 4.40, page 104:
" v4.xgba; // is illegal - the component names do not come from
the same set."
Added another case for the following test:
GL44-CTS.shading_language_420pack.scalar_swizzlers_invalid
Change-Id: I31889598ccf88850c44eeb0e267f43f2d89bbcf2
/external/deqp/external/openglcts/modules/gl/gl4cShadingLanguage420PackTests.hpp
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