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// Duplicated: This this test is identical to slang-rhi\tests\test-uint16-buffer.cpp
#include "core/slang-basic.h"
#include "gfx-test-util.h"
#include "slang-rhi.h"
#include "slang-rhi/shader-cursor.h"
#include "unit-test/slang-unit-test.h"
using namespace rhi;
namespace gfx_test
{
void uint16BufferTestImpl(IDevice* device, UnitTestContext* context)
{
ComPtr<IShaderProgram> shaderProgram;
slang::ProgramLayout* slangReflection;
GFX_CHECK_CALL_ABORT(
loadComputeProgram(device, shaderProgram, "uint16-buffer", "computeMain", slangReflection));
ComputePipelineDesc pipelineDesc = {};
pipelineDesc.program = shaderProgram.get();
ComPtr<IComputePipeline> pipelineState;
GFX_CHECK_CALL_ABORT(device->createComputePipeline(pipelineDesc, pipelineState.writeRef()));
const int numberCount = 4;
uint16_t initialData[] = {0, 1, 2, 3};
BufferDesc bufferDesc = {};
bufferDesc.size = numberCount * sizeof(uint16_t);
bufferDesc.format = rhi::Format::Undefined;
bufferDesc.elementSize = 0; // Let RHI derive from reflection
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()));
// We have done all the set up work, now it is time to start recording a command buffer for
// GPU execution.
{
auto queue = device->getQueue(QueueType::Graphics);
auto commandEncoder = queue->createCommandEncoder();
auto computePassEncoder = commandEncoder->beginComputePass();
auto rootObject = computePassEncoder->bindPipeline(pipelineState);
// Bind buffer to the entry point.
ShaderCursor(rootObject).getPath("buffer").setBinding(Binding(numbersBuffer));
computePassEncoder->dispatchCompute(1, 1, 1);
computePassEncoder->end();
queue->submit(commandEncoder->finish());
queue->waitOnHost();
}
compareComputeResult(device, numbersBuffer, std::array<uint16_t, 4>{1, 2, 3, 4});
}
SLANG_UNIT_TEST(uint16BufferTestD3D12)
{
runTestImpl(uint16BufferTestImpl, unitTestContext, DeviceType::D3D12);
}
SLANG_UNIT_TEST(uint16BufferTestVulkan)
{
runTestImpl(uint16BufferTestImpl, unitTestContext, DeviceType::Vulkan);
}
} // namespace gfx_test
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