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astc_decoder: Reduce workgroup size 

This reduces the amount of over dispatching when there are odd dimensions (i.e. ASTC 8x5), which rarely evenly divide into 32x32.
master
ameerj 2021-07-31 23:55:20 +07:00
parent 5ab8053511
commit c439fc9be9
3 changed files with 5 additions and 5 deletions
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2
src/video_core/host_shaders/astc_decoder.comp
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@ -22,7 +22,7 @@
#endif
layout(local_size_x = 32, local_size_y = 32, local_size_z = 1) in;
layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in;
BEGIN_PUSH_CONSTANTS
UNIFORM(1) uvec2 block_dims;

4
src/video_core/renderer_opengl/util_shaders.cpp
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@ -82,8 +82,8 @@ void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
glFlush();
for (const SwizzleParameters& swizzle : swizzles) {
const size_t input_offset = swizzle.buffer_offset + map.offset;
const u32 num_dispatches_x = Common::DivCeil(swizzle.num_tiles.width, 32U);
const u32 num_dispatches_y = Common::DivCeil(swizzle.num_tiles.height, 32U);
const u32 num_dispatches_x = Common::DivCeil(swizzle.num_tiles.width, 8U);
const u32 num_dispatches_y = Common::DivCeil(swizzle.num_tiles.height, 8U);
const auto params = MakeBlockLinearSwizzle2DParams(swizzle, image.info);
ASSERT(params.origin == (std::array<u32, 3>{0, 0, 0}));

4
src/video_core/renderer_vulkan/vk_compute_pass.cpp
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@ -358,8 +358,8 @@ void ASTCDecoderPass::Assemble(Image& image, const StagingBufferRef& map,
});
for (const VideoCommon::SwizzleParameters& swizzle : swizzles) {
const size_t input_offset = swizzle.buffer_offset + map.offset;
const u32 num_dispatches_x = Common::DivCeil(swizzle.num_tiles.width, 32U);
const u32 num_dispatches_y = Common::DivCeil(swizzle.num_tiles.height, 32U);
const u32 num_dispatches_x = Common::DivCeil(swizzle.num_tiles.width, 8U);
const u32 num_dispatches_y = Common::DivCeil(swizzle.num_tiles.height, 8U);
const u32 num_dispatches_z = image.info.resources.layers;
update_descriptor_queue.Acquire();