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#include "tools/unit-test/slang-unit-test.h"
#include "slang-gfx.h"
#include "gfx-test-util.h"
#include "tools/gfx-util/shader-cursor.h"
#include "source/core/slang-basic.h"
using namespace gfx;
namespace gfx_test
{
void mutableRootShaderObjectTestImpl(IDevice* device, UnitTestContext* context)
{
Slang::ComPtr<ITransientResourceHeap> transientHeap;
ITransientResourceHeap::Desc transientHeapDesc = {};
transientHeapDesc.constantBufferSize = 4096;
GFX_CHECK_CALL_ABORT(
device->createTransientResourceHeap(transientHeapDesc, transientHeap.writeRef()));
ComPtr<IShaderProgram> shaderProgram;
slang::ProgramLayout* slangReflection;
GFX_CHECK_CALL_ABORT(loadComputeProgram(device, shaderProgram, "mutable-shader-object", "computeMain", slangReflection));
ComputePipelineStateDesc pipelineDesc = {};
pipelineDesc.program = shaderProgram.get();
ComPtr<gfx::IPipelineState> pipelineState;
GFX_CHECK_CALL_ABORT(
device->createComputePipelineState(pipelineDesc, pipelineState.writeRef()));
float initialData[] = { 0.0f, 1.0f, 2.0f, 3.0f };
const int numberCount = SLANG_COUNT_OF(initialData);
IBufferResource::Desc bufferDesc = {};
bufferDesc.sizeInBytes = sizeof(initialData);
bufferDesc.format = gfx::Format::Unknown;
bufferDesc.elementSize = sizeof(float);
bufferDesc.allowedStates = ResourceStateSet(
ResourceState::ShaderResource,
ResourceState::UnorderedAccess,
ResourceState::CopyDestination,
ResourceState::CopySource);
bufferDesc.defaultState = ResourceState::UnorderedAccess;
bufferDesc.memoryType = MemoryType::DeviceLocal;
ComPtr<IBufferResource> numbersBuffer;
GFX_CHECK_CALL_ABORT(device->createBufferResource(
bufferDesc,
(void*)initialData,
numbersBuffer.writeRef()));
ComPtr<IResourceView> bufferView;
IResourceView::Desc viewDesc = {};
viewDesc.type = IResourceView::Type::UnorderedAccess;
viewDesc.format = Format::Unknown;
GFX_CHECK_CALL_ABORT(device->createBufferView(numbersBuffer, viewDesc, bufferView.writeRef()));
ComPtr<IShaderObject> rootObject;
device->createMutableRootShaderObject(shaderProgram, rootObject.writeRef());
auto entryPointCursor = ShaderCursor(rootObject->getEntryPoint(0));
entryPointCursor.getPath("buffer").setResource(bufferView);
slang::TypeReflection* addTransformerType =
slangReflection->findTypeByName("AddTransformer");
ComPtr<IShaderObject> transformer;
GFX_CHECK_CALL_ABORT(device->createMutableShaderObject(
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));
{
ICommandQueue::Desc queueDesc = { ICommandQueue::QueueType::Graphics };
auto queue = device->createCommandQueue(queueDesc);
auto commandBuffer = transientHeap->createCommandBuffer();
{
auto encoder = commandBuffer->encodeComputeCommands();
auto root = encoder->bindPipeline(pipelineState);
root->copyFrom(rootObject, transientHeap);
encoder->dispatchCompute(1, 1, 1);
encoder->endEncoding();
}
auto barrierEncoder = commandBuffer->encodeResourceCommands();
barrierEncoder->bufferBarrier(1, numbersBuffer.readRef(), ResourceState::UnorderedAccess, ResourceState::UnorderedAccess);
barrierEncoder->endEncoding();
// Mutate `transformer` object and run again.
c = 2.0f;
ShaderCursor(transformer).getPath("c").setData(&c, sizeof(float));
{
auto encoder = commandBuffer->encodeComputeCommands();
auto root = encoder->bindPipeline(pipelineState);
root->copyFrom(rootObject, transientHeap);
encoder->dispatchCompute(1, 1, 1);
encoder->endEncoding();
}
commandBuffer->close();
queue->executeCommandBuffer(commandBuffer);
queue->waitOnHost();
}
compareComputeResult(
device,
numbersBuffer,
Slang::makeArray<float>(3.0f, 4.0f, 5.0f, 6.0f));
}
SLANG_UNIT_TEST(mutableRootShaderObjectD3D12)
{
runTestImpl(mutableRootShaderObjectTestImpl, unitTestContext, Slang::RenderApiFlag::D3D12);
}
SLANG_UNIT_TEST(mutableRootShaderObjectVulkan)
{
runTestImpl(mutableRootShaderObjectTestImpl, unitTestContext, Slang::RenderApiFlag::Vulkan);
}
}
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