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drawElements Quality Program Test Specification
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Copyright 2014 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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Texture swizzle tests
Tests:
+ dEQP-GLES3.functional.texture.swizzle.*
Includes:
+ All texture swizzle modes applied separately for each channel
+ Randomized swizzle mode combinations
+ RED, RG, RGB, RGBA, A, L, LA texture formats
Excludes:
Description:
Texture format tests render a single quad, consisting of two triangles.
The viewport is configured to match the texture size. Texture coordinates
yield a 1:1 mapping from texels to framebuffer pixels. Thus filtering
shouldn't affect the final rendered image.
The rendered image is compared against a reference that is produced by
reference renderer. A simple threshold-based comparison is used.