wgpu: Don't use textures for shader cache keys #17014
Merged
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This reduces number of shader recompiles in
ShaderPairAgal::compile
:This results in major (2x, 4x) fps improvements on web (tested on firefox) on a lot of Stage3D content.
On FPA4, there are still some runtime webgl shader recompiles left; that's still to be researched :(