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Only default activate lane zero for SPIRV single threaded compute debug

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Workgroup and Subgroup compute debug will set lane Active/SubgroupId properties for all threads
This commit is contained in:
Jake Turner
2025-05-07 11:15:05 +01:00
parent 2fbf85fad1
commit 7d35635844
1 changed files with 3 additions and 3 deletions
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renderdoc/driver/vulkan/vk_shaderdebug.cpp
+3 -3
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@@ -5950,9 +5950,6 @@ ShaderDebugTrace *VulkanReplay::DebugComputeCommon(ShaderStage stage, uint32_t e
apiWrapper->thread_builtins.resize(numThreads);
apiWrapper->thread_props.resize(numThreads);
apiWrapper->thread_props[0][(size_t)rdcspv::ThreadProperty::Active] = 1;
apiWrapper->thread_props[0][(size_t)rdcspv::ThreadProperty::SubgroupId] = 0;
std::unordered_map<ShaderBuiltin, ShaderVariable> &global_builtins = apiWrapper->global_builtins;
global_builtins[ShaderBuiltin::DispatchSize] =
ShaderVariable(rdcstr(), action->dispatchDimension[0], action->dispatchDimension[1],
@@ -6313,6 +6310,9 @@ ShaderDebugTrace *VulkanReplay::DebugComputeCommon(ShaderStage stage, uint32_t e
else
{
// simple single-thread case
apiWrapper->thread_props[0][(size_t)rdcspv::ThreadProperty::Active] = 1;
apiWrapper->thread_props[0][(size_t)rdcspv::ThreadProperty::SubgroupId] = 0;
std::unordered_map<ShaderBuiltin, ShaderVariable> &thread_builtins =
apiWrapper->thread_builtins[0];