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7ef52b04c3
To date, all released Apple Silicon GPUs incorrectly interpret the gradient vectors when sampling a cube texture. Specifically, they ignore one of the three partial derivatives in each gradient depending on the selected major axis, and they expect the remaining derivatives to be partially transformed. h/t @lexaknyazev for the code used in the `spvGradientCube()` function. Fixes 8 tests under `dEQP-VK.glsl.texture_functions.texturegrad.*`. |
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