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#if 0
// Duplicated: This test is identical to slang-rhi\tests\test-mutable-shader-object.cpp
// TODO: This test failed
// The result buffer is still {0.0f, 1.0f, 2.0f, 3.0f}. Not incremented by the shader
#include "core/slang-basic.h"
#include "gfx-test-util.h"
#include "unit-test/slang-unit-test.h"
#include <slang-rhi.h>
#include <slang-rhi/shader-cursor.h>
using namespace rhi;
namespace gfx_test
{
void mutableRootShaderObjectTestImpl(IDevice* device, UnitTestContext* context)
{
ComPtr<IShaderProgram> shaderProgram;
slang::ProgramLayout* slangReflection;
GFX_CHECK_CALL_ABORT(loadComputeProgram(
device,
shaderProgram,
"mutable-shader-object",
"computeMain",
slangReflection));
ComputePipelineDesc pipelineDesc = {};
pipelineDesc.program = shaderProgram.get();
ComPtr<IComputePipeline> computePipeline;
GFX_CHECK_CALL_ABORT(
device->createComputePipeline(pipelineDesc, computePipeline.writeRef()));
float initialData[] = {0.0f, 1.0f, 2.0f, 3.0f};
const int numberCount = SLANG_COUNT_OF(initialData);
BufferDesc bufferDesc = {};
bufferDesc.size = sizeof(initialData);
bufferDesc.format = Format::Undefined;
bufferDesc.elementSize = sizeof(float);
bufferDesc.usage = BufferUsage::UnorderedAccess | BufferUsage::ShaderResource | BufferUsage::CopySource | BufferUsage::CopyDestination;
bufferDesc.defaultState = ResourceState::UnorderedAccess;
bufferDesc.memoryType = MemoryType::DeviceLocal;
ComPtr<IBuffer> numbersBuffer;
GFX_CHECK_CALL_ABORT(
device->createBuffer(bufferDesc, (void*)initialData, numbersBuffer.writeRef()));
ComPtr<IShaderObject> rootObject;
device->createRootShaderObject(shaderProgram, rootObject.writeRef());
auto entryPointCursor = ShaderCursor(rootObject->getEntryPoint(0));
entryPointCursor.getPath("buffer").setBinding(Binding(numbersBuffer));
slang::TypeReflection* addTransformerType = slangReflection->findTypeByName("AddTransformer");
ComPtr<IShaderObject> transformer;
GFX_CHECK_CALL_ABORT(device->createShaderObject(
addTransformerType,
ShaderObjectContainerType::None,
transformer.writeRef()));
entryPointCursor.getPath("transformer").setObject(transformer);
// Set the `c` field of the `AddTransformer`.
float c = 1.0f;
ShaderCursor(transformer).getPath("c").setData(&c, sizeof(float));
{
auto queue = device->getQueue(QueueType::Graphics);
auto commandEncoder = queue->createCommandEncoder();
{
auto encoder = commandEncoder->beginComputePass();
encoder->bindPipeline(computePipeline, rootObject);
encoder->dispatchCompute(1, 1, 1);
encoder->end();
}
// Set buffer state to ensure writes are visible
commandEncoder->setBufferState(numbersBuffer, ResourceState::UnorderedAccess);
// Mutate `transformer` object and run again.
c = 2.0f;
ShaderCursor(transformer).getPath("c").setData(&c, sizeof(float));
{
auto encoder = commandEncoder->beginComputePass();
encoder->bindPipeline(computePipeline, rootObject);
encoder->dispatchCompute(1, 1, 1);
encoder->end();
}
queue->submit(commandEncoder->finish());
queue->waitOnHost();
}
compareComputeResult(device, numbersBuffer, std::array{3.0f, 4.0f, 5.0f, 6.0f});
}
SLANG_UNIT_TEST(mutableRootShaderObjectD3D12)
{
runTestImpl(mutableRootShaderObjectTestImpl, unitTestContext, DeviceType::D3D12, {});
}
/*SLANG_UNIT_TEST(mutableRootShaderObjectVulkan)
{
runTestImpl(mutableRootShaderObjectTestImpl, unitTestContext, DeviceType::Vulkan, {});
}*/
} // namespace gfx_test
#endif
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