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[Test] (MG_Util, MG_State): TEMP spirv-null plumbing probe for the allocator-pathology discriminator

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swung0x48
2026-08-10 05:42:23 -04:00
parent 404236d337
commit 85f45d0e44
4 changed files with 32 additions and 0 deletions
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MobileGL/MG_State/GLState/ProgramState/ProgramLinkTask.cpp
+13
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@@ -909,6 +909,19 @@ namespace MobileGL::MG_State::GLState {
artifacts.generatedSpirv.size());
// Linked SPIR-V generated, sanitize and optimize it
{
// TEMP-STAGE-PROBE: "spirv-null" - the same Optimizer::Run with ZERO passes,
// on the pre-optimize binary: pure BuildModule + serialize + IRContext
// teardown. Its device/desktop share ratio against "spirv-opt" is the
// allocator-pathology discriminator. Costs one extra plumbing round per
// module; diagnostic build only.
const MG_Util::Debug::TempStageProbeScope tempStageProbeSpirvNull(
MG_Util::Debug::kTempStageProbeSpirvNull);
for (auto& spv : artifacts.generatedSpirv) {
Vector<uint32_t> nullOut;
(void)ShaderCompiler::TempProbeNullOptimizeBinary(spv, nullOut);
}
}
{
// TEMP-STAGE-PROBE: "spirv-opt" - the spirv-tools optimizer run over every module.
const MG_Util::Debug::TempStageProbeScope tempStageProbeSpirvOpt(
MobileGL/MG_Util/Debug/TempStageProbe.h
+2
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@@ -31,6 +31,7 @@ namespace MobileGL::MG_Util::Debug {
kTempStageProbeParseReparse,
kTempStageProbeGlslangLink,
kTempStageProbeSpirvGen,
kTempStageProbeSpirvNull,
kTempStageProbeSpirvOpt,
kTempStageProbeReflection,
kTempStageProbeSpvcRouting,
@@ -45,6 +46,7 @@ namespace MobileGL::MG_Util::Debug {
"parse-reparse[subset-of-parse]",
"glslang-link",
"spirv-gen",
"spirv-null[plumbing-only]",
"spirv-opt",
"reflection",
"spvc-routing",
MobileGL/MG_Util/ShaderTranspiler/ShaderCompiler.cpp
+13
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@@ -385,6 +385,19 @@ namespace MobileGL {
return optimizer.Run(inputBinary.data(), inputBinary.size(), &outputBinary, options);
}
// TEMP-STAGE-PROBE tempStageProbeNullOptimize: SanitizeAndOptimizeBinary minus
// every pass - measures the pure IR plumbing (BuildModule + serialize +
// IRContext teardown) so a device run can separate allocator-bound plumbing
// from transformation work. Remove with the probes.
bool ShaderCompiler::TempProbeNullOptimizeBinary(const Vector<Uint32>& inputBinary,
Vector<uint32_t>& outputBinary) {
using namespace spvtools;
OptimizerOptions options;
options.set_run_validator(false);
Optimizer optimizer(SPV_ENV_VULKAN_1_1);
return optimizer.Run(inputBinary.data(), inputBinary.size(), &outputBinary, options);
}
bool ShaderCompiler::LowerDrawParametersForEssl(const Vector<Uint32>& inputBinary,
Vector<uint32_t>& outputBinary) {
using namespace spvtools;
MobileGL/MG_Util/ShaderTranspiler/ShaderCompiler.h
+4
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@@ -22,6 +22,10 @@ namespace MobileGL {
static Result<Vector<Vector<unsigned>>> GetSpirvBinaryFromProgram(const ProgramBinaryAttrib& attrib);
static bool SanitizeAndOptimizeBinary(const Vector<Uint32>& inputBinary,
Vector<uint32_t>& outputBinary);
// TEMP-STAGE-PROBE: SanitizeAndOptimizeBinary with zero passes - pure IR
// plumbing, for the allocator-pathology discriminator. Remove with the probes.
static bool TempProbeNullOptimizeBinary(const Vector<Uint32>& inputBinary,
Vector<uint32_t>& outputBinary);
// Demotes DrawIndex/BaseInstance/BaseVertex builtins to plain Private globals
// (mg_DrawID/mg_BaseInstance/mg_BaseVertex) so SPIRV-Cross can emit ESSL.
// Only for backends without native draw-parameter support (DirectGLES).