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Merge pull request #11523 from degasus/OGL_KHR_subgroup

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VideoBackend/OGL: Prefer KHR_shader_subgroup over NV_shader_thread.
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JMC47
2023-02-10 04:47:20 -05:00
committed by GitHub
parent dad7a32a35 4b2aa948e6
commit 258151fe5a
8 changed files with 66 additions and 33 deletions
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3
Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp
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@ -81,9 +81,8 @@ static const char SUBGROUP_HELPER_HEADER[] = R"(
#extension GL_KHR_shader_subgroup_ballot : enable
#define SUPPORTS_SUBGROUP_REDUCTION 1
#define CAN_USE_SUBGROUP_REDUCTION true
#define IS_HELPER_INVOCATION gl_HelperInvocation
#define IS_FIRST_ACTIVE_INVOCATION (gl_SubgroupInvocationID == subgroupBallotFindLSB(subgroupBallot(!gl_HelperInvocation)))
#define IS_FIRST_ACTIVE_INVOCATION (subgroupElect())
#define SUBGROUP_MIN(value) value = subgroupMin(value)
#define SUBGROUP_MAX(value) value = subgroupMax(value)
)";