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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
{
Slang::ComPtr<IBufferResource> createBuffer(
IDevice* device, uint32_t data, ResourceState defaultState)
{
uint32_t initialData[] = {data, data, data, data};
const int numberCount = SLANG_COUNT_OF(initialData);
IBufferResource::Desc bufferDesc = {};
bufferDesc.sizeInBytes = sizeof(initialData);
bufferDesc.format = gfx::Format::Unknown;
bufferDesc.elementSize = sizeof(uint32_t) * 4;
bufferDesc.allowedStates = ResourceStateSet(
ResourceState::ShaderResource,
ResourceState::UnorderedAccess,
ResourceState::CopyDestination,
ResourceState::CopySource);
bufferDesc.defaultState = defaultState;
bufferDesc.memoryType = MemoryType::DeviceLocal;
ComPtr<IBufferResource> numbersBuffer;
GFX_CHECK_CALL_ABORT(
device->createBufferResource(bufferDesc, (void*)initialData, numbersBuffer.writeRef()));
return numbersBuffer;
}
struct uint4
{
uint32_t x, y, z, w;
};
void nestedParameterBlockTestImpl(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, "nested-parameter-block", "computeMain", slangReflection));
ComputePipelineStateDesc pipelineDesc = {};
pipelineDesc.program = shaderProgram.get();
ComPtr<gfx::IPipelineState> pipelineState;
GFX_CHECK_CALL_ABORT(
device->createComputePipelineState(pipelineDesc, pipelineState.writeRef()));
ComPtr<IShaderObject> shaderObject;
SLANG_CHECK(SLANG_SUCCEEDED(
device->createMutableRootShaderObject(shaderProgram, shaderObject.writeRef())));
Slang::List<Slang::ComPtr<IBufferResource>> srvBuffers;
Slang::List<Slang::ComPtr<IResourceView>> srvs;
for (uint32_t i = 0; i < 6; i++)
{
srvBuffers.add(createBuffer(device, i, gfx::ResourceState::ShaderResource));
IResourceView::Desc srvDesc = {};
srvDesc.type = IResourceView::Type::ShaderResource;
srvDesc.format = Format::Unknown;
srvDesc.bufferElementSize = sizeof(uint32_t) * 4;
srvDesc.bufferRange.elementCount = 4;
srvDesc.bufferRange.firstElement = 0;
srvs.add(device->createBufferView(srvBuffers[i], nullptr, srvDesc));
}
Slang::ComPtr<IBufferResource> resultBuffer =
createBuffer(device, 0, gfx::ResourceState::UnorderedAccess);
IResourceView::Desc resultBufferViewDesc = {};
resultBufferViewDesc.type = IResourceView::Type::UnorderedAccess;
resultBufferViewDesc.format = Format::Unknown;
resultBufferViewDesc.bufferElementSize = sizeof(uint32_t) * 4;
resultBufferViewDesc.bufferRange.elementCount = 4;
resultBufferViewDesc.bufferRange.firstElement = 0;
Slang::ComPtr<IResourceView> resultBufferView;
SLANG_CHECK(SLANG_SUCCEEDED(device->createBufferView(
resultBuffer, nullptr, resultBufferViewDesc, resultBufferView.writeRef())));
Slang::ComPtr<IShaderObject> materialObject;
SLANG_CHECK(SLANG_SUCCEEDED(device->createMutableShaderObject(
slangReflection->findTypeByName("MaterialSystem"),
ShaderObjectContainerType::None,
materialObject.writeRef())));
Slang::ComPtr<IShaderObject> sceneObject;
SLANG_CHECK(SLANG_SUCCEEDED(device->createMutableShaderObject(
slangReflection->findTypeByName("Scene"),
ShaderObjectContainerType::None,
sceneObject.writeRef())));
ShaderCursor cursor(shaderObject);
cursor["resultBuffer"].setResource(resultBufferView);
cursor["scene"].setObject(sceneObject);
Slang::ComPtr<IShaderObject> globalCB;
SLANG_CHECK(SLANG_SUCCEEDED(device->createShaderObject(
cursor[0].getTypeLayout()->getType(),
ShaderObjectContainerType::None,
globalCB.writeRef())));
cursor[0].setObject(globalCB);
auto initialData = uint4{20, 20, 20, 20};
globalCB->setData(ShaderOffset(), &initialData, sizeof(initialData));
ShaderCursor sceneCursor(sceneObject);
sceneCursor["sceneCb"].setData(uint4{100, 100, 100, 100});
sceneCursor["data"].setResource(srvs[1]);
sceneCursor["material"].setObject(materialObject);
ShaderCursor materialCursor(materialObject);
materialCursor["cb"].setData(uint4{1000, 1000, 1000, 1000});
materialCursor["data"].setResource(srvs[2]);
// We have done all the set up work, now it is time to start recording a command buffer for
// GPU execution.
{
ICommandQueue::Desc queueDesc = {ICommandQueue::QueueType::Graphics};
auto queue = device->createCommandQueue(queueDesc);
auto commandBuffer = transientHeap->createCommandBuffer();
auto encoder = commandBuffer->encodeComputeCommands();
encoder->bindPipelineWithRootObject(pipelineState, shaderObject);
encoder->dispatchCompute(1, 1, 1);
encoder->endEncoding();
commandBuffer->close();
queue->executeCommandBuffer(commandBuffer);
queue->waitOnHost();
}
compareComputeResult(device, resultBuffer, Slang::makeArray<uint32_t>(1123u, 1123u, 1123u, 1123u));
}
SLANG_UNIT_TEST(nestedParameterBlockTestD3D12)
{
runTestImpl(nestedParameterBlockTestImpl, unitTestContext, Slang::RenderApiFlag::D3D12);
}
// TODO: Vulkan's PipelineLayout creation logic is still wrong.
#if 0
SLANG_UNIT_TEST(nestedParameterBlockTestVulkan)
{
runTestImpl(nestedParameterBlockTestImpl, unitTestContext, Slang::RenderApiFlag::Vulkan);
}
#endif
}
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