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It seems to work that way too.

showcase2
PavelBARABANOV 1 month ago
parent
commit
f9ec137396
  1. 11
      src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
  2. 6
      src/video_core/vulkan_common/vulkan_device.h

11
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@ -678,16 +678,7 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
const auto runtime_info{MakeRuntimeInfo(programs, key, program, previous_stage)};
ConvertLegacyToGeneric(program, runtime_info);
// Adreno don't support subgroup operations in vertex stages
// Disable subgroup features for vertex shaders if not supported by the device
Shader::Profile stage_profile = profile;
if (program.stage == Shader::Stage::VertexA || program.stage == Shader::Stage::VertexB) {
if (!device.IsSubgroupSupportedForStage(VK_SHADER_STAGE_VERTEX_BIT)) {
stage_profile.support_vote = false;
}
}
const std::vector<u32> code{EmitSPIRV(stage_profile, runtime_info, program, binding, this->optimize_spirv_output)};
const std::vector<u32> code{EmitSPIRV(profile, runtime_info, program, binding, this->optimize_spirv_output)};
device.SaveShader(code);
modules[stage_index] = BuildShader(device, code);
if (device.HasDebuggingToolAttached()) {

6
src/video_core/vulkan_common/vulkan_device.h

@ -365,12 +365,6 @@ public:
return properties.subgroup_properties.supportedOperations & feature;
}
/// Returns true if subgroup operations are supported in the specified shader stage.
/// Mobile GPUs (Qualcomm Adreno) often only support subgroups in fragment/compute stages.
bool IsSubgroupSupportedForStage(VkShaderStageFlagBits stage) const {
return properties.subgroup_properties.supportedStages & stage;
}
/// Returns the maximum number of push descriptors.
u32 MaxPushDescriptors() const {
return properties.push_descriptor.maxPushDescriptors;

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