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[Fix, Test] (MG_State, MG_Util, DirectVulkan, MG_Test): replay narrow-subgroup reductions correctly

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swung0x48
2026-08-16 13:33:01 -04:00
parent 6df5a6137f
commit 0ecfdff4e7
8 changed files with 479 additions and 36 deletions
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MobileGL/MG_Test/SanityTest.cpp
+32
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@@ -31,6 +31,7 @@
#include <MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h>
#include <MG_Util/Math/HalfFloat.h>
#include <MG_Util/ShaderTranspiler/ShaderCompiler.h>
#include <MG_Util/ShaderTranspiler/CompileEnv.h>
#include <MG_Util/ShaderTranspiler/ShaderSourceProcessor.h>
#include <MG_Util/Debug/Log.h>
#include <MG_Util/Types.h>
@@ -710,6 +711,37 @@ TEST(DirectVulkanSanity, AdvertisesSubgroupOnlyWhenVulkanReportsUsableSupport) {
EXPECT_TRUE(backend.GetDynamicParameters().SubgroupQuadOperationsInAllStages);
}
TEST(DirectVulkanSanity, CapabilityRefreshInvalidatesTheCachedCompileEnvironment) {
using namespace MobileGL;
auto previousContext = Move(MG_State::pGLContext);
auto previousBackend = Move(MG_Backend::pActiveBackendObject);
MG_State::pGLContext = MakeUnique<MG_State::GLState::GLContext>();
auto backend = MakeUnique<MG_Backend::DirectVulkan::BackendObject_DirectVulkan>();
auto* backendPtr = backend.get();
MG_Backend::pActiveBackendObject = Move(backend);
const auto before = MG_State::pGLContext->GetCompileEnv();
EXPECT_EQ(before->params.SubgroupSize, 0u);
MG_External::VulkanCapabilities caps;
caps.SupportsShaderSubgroup = true;
caps.SubgroupSize = 8;
caps.SubgroupSupportedStages = VK_SHADER_STAGE_COMPUTE_BIT;
caps.SubgroupSupportedOperations = VK_SUBGROUP_FEATURE_BASIC_BIT | VK_SUBGROUP_FEATURE_ARITHMETIC_BIT;
backendPtr->ApplyVulkanCapabilitiesForTesting(caps);
const auto after = MG_State::pGLContext->GetCompileEnv();
EXPECT_NE(after.get(), before.get());
EXPECT_NE(after->fingerprint, before->fingerprint);
EXPECT_EQ(after->backend, BackendType::DirectVulkan);
EXPECT_EQ(after->params.SubgroupSize, 8u);
MG_Backend::pActiveBackendObject = Move(previousBackend);
MG_State::pGLContext = Move(previousContext);
}
TEST(DirectVulkanSanity, KeepsOptionalGpuShaderInt64BranchForVoxyQuadDecode) {
using namespace MobileGL;