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[spv-in] Support any value of MatrixStride #4375

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teoxoy opened this issue Apr 8, 2022 · 0 comments
Open

[spv-in] Support any value of MatrixStride #4375

teoxoy opened this issue Apr 8, 2022 · 0 comments
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area: naga front-end lang: SPIR-V Vulkan's Shading Language naga Shader Translator type: enhancement New feature or request

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teoxoy commented Apr 8, 2022

Our IR expects matrices to have a stride of 8 for 2 row matrices and 16 for 3 and 4 row matrices.

To support higher values for MatrixStride than those outlined above we would have to translate them to a sequence of nr of matrix columns x (vec2(data), padding) and also modify accesses accordingly.
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area: naga front-end lang: SPIR-V Vulkan's Shading Language naga Shader Translator type: enhancement New feature or request
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@kvark @cwfitzgerald @teoxoy