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#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 mutableShaderObjectTestImpl(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> pipelineState;
GFX_CHECK_CALL_ABORT(device->createComputePipeline(pipelineDesc, pipelineState.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::ShaderResource | BufferUsage::UnorderedAccess |
BufferUsage::CopyDestination | BufferUsage::CopySource;
bufferDesc.defaultState = ResourceState::UnorderedAccess;
bufferDesc.memoryType = MemoryType::DeviceLocal;
ComPtr<IBuffer> numbersBuffer;
GFX_CHECK_CALL_ABORT(
device->createBuffer(bufferDesc, (void*)initialData, numbersBuffer.writeRef()));
{
slang::TypeReflection* addTransformerType =
slangReflection->findTypeByName("AddTransformer");
ComPtr<IShaderObject> transformer;
GFX_CHECK_CALL_ABORT(device->createShaderObject(
addTransformerType,
ShaderObjectContainerType::None,
transformer.writeRef()));
// Set the `c` field of the `AddTransformer`.
float c = 1.0f;
ShaderCursor(transformer).getPath("c").setData(&c, sizeof(float));
ComPtr<ICommandQueue> queue;
GFX_CHECK_CALL_ABORT(device->getQueue(QueueType::Graphics, queue.writeRef()));
// Create root shader object
ComPtr<IShaderObject> rootObject;
GFX_CHECK_CALL_ABORT(device->createRootShaderObject(shaderProgram, rootObject.writeRef()));
auto commandEncoder = queue->createCommandEncoder();
auto computeEncoder = commandEncoder->beginComputePass();
// Bind pipeline with our root object
computeEncoder->bindPipeline(pipelineState, rootObject);
auto entryPointCursor = ShaderCursor(rootObject->getEntryPoint(0));
entryPointCursor.getPath("buffer").setBinding(Binding(numbersBuffer));
// Bind the transformer object to root object.
entryPointCursor.getPath("transformer").setObject(transformer);
computeEncoder->dispatchCompute(1, 1, 1);
computeEncoder->end();
// Set buffer state to ensure writes are visible
commandEncoder->setBufferState(numbersBuffer, ResourceState::UnorderedAccess);
computeEncoder = commandEncoder->beginComputePass();
// Bind pipeline with our root object again
computeEncoder->bindPipeline(pipelineState, rootObject);
// Mutate `transformer` object and run again.
c = 2.0f;
ShaderCursor(transformer).getPath("c").setData(&c, sizeof(float));
entryPointCursor.getPath("buffer").setBinding(Binding(numbersBuffer));
entryPointCursor.getPath("transformer").setObject(transformer);
computeEncoder->dispatchCompute(1, 1, 1);
computeEncoder->end();
auto commandBuffer = commandEncoder->finish();
queue->submit(commandBuffer);
queue->waitOnHost();
}
compareComputeResult(device, numbersBuffer, std::array{3.0f, 4.0f, 5.0f, 6.0f});
}
// SLANG_UNIT_TEST(mutableShaderObjectCPU)
//{
// runTestImpl(mutableShaderObjectTestImpl, unitTestContext, Slang::RenderApiFlag::CPU);
// }
SLANG_UNIT_TEST(mutableShaderObjectD3D11)
{
runTestImpl(mutableShaderObjectTestImpl, unitTestContext, DeviceType::D3D11);
}
SLANG_UNIT_TEST(mutableShaderObjectD3D12)
{
runTestImpl(mutableShaderObjectTestImpl, unitTestContext, DeviceType::D3D12);
}
SLANG_UNIT_TEST(mutableShaderObjectVulkan)
{
runTestImpl(mutableShaderObjectTestImpl, unitTestContext, DeviceType::Vulkan);
}
} // namespace gfx_test
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