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#include "core/slang-basic.h"
#include "gfx-test-util.h"
#include "gfx-util/shader-cursor.h"
#include "slang-gfx.h"
#include "unit-test/slang-unit-test.h"
using namespace gfx;
namespace gfx_test
{
void setUpAndRunShader(
IDevice* device,
ComPtr<ITextureResource> tex,
ComPtr<IResourceView> texView,
ComPtr<IResourceView> bufferView,
const char* entryPoint,
ComPtr<ISamplerState> sampler = nullptr)
{
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, "trivial-copy", entryPoint, slangReflection));
ComputePipelineStateDesc pipelineDesc = {};
pipelineDesc.program = shaderProgram.get();
ComPtr<gfx::IPipelineState> pipelineState;
GFX_CHECK_CALL_ABORT(
device->createComputePipelineState(pipelineDesc, pipelineState.writeRef()));
// 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();
auto rootObject = encoder->bindPipeline(pipelineState);
ShaderCursor entryPointCursor(
rootObject->getEntryPoint(0)); // get a cursor the the first entry-point.
auto& desc = *tex->getDesc();
entryPointCursor["width"].setData(desc.size.width);
entryPointCursor["height"].setData(desc.size.height);
// Bind texture view to the entry point
entryPointCursor["tex"].setResource(texView);
if (sampler)
entryPointCursor["sampler"].setSampler(sampler);
// Bind buffer view to the entry point.
entryPointCursor["buffer"].setResource(bufferView);
encoder->dispatchCompute(1, 1, 1);
encoder->endEncoding();
commandBuffer->close();
queue->executeCommandBuffer(commandBuffer);
queue->waitOnHost();
}
}
ComPtr<ITextureResource> createTexture(
IDevice* device,
ITextureResource::Extents extents,
gfx::Format format,
ITextureResource::SubresourceData* initialData)
{
ITextureResource::Desc texDesc = {};
texDesc.type = IResource::Type::Texture2D;
texDesc.numMipLevels = 1;
texDesc.arraySize = 1;
texDesc.size = extents;
texDesc.defaultState = ResourceState::UnorderedAccess;
texDesc.allowedStates = ResourceStateSet(
ResourceState::ShaderResource,
ResourceState::UnorderedAccess,
ResourceState::CopyDestination,
ResourceState::CopySource);
texDesc.format = format;
texDesc.isShared = true;
ComPtr<ITextureResource> inTex;
GFX_CHECK_CALL_ABORT(device->createTextureResource(texDesc, initialData, inTex.writeRef()));
return inTex;
}
ComPtr<IResourceView> createTexView(IDevice* device, ComPtr<ITextureResource> inTexture)
{
ComPtr<IResourceView> texView;
IResourceView::Desc texViewDesc = {};
texViewDesc.type = IResourceView::Type::UnorderedAccess;
texViewDesc.format =
inTexture->getDesc()->format; // TODO: Handle typeless formats - gfxIsTypelessFormat(format)
// ? convertTypelessFormat(format) : format;
GFX_CHECK_CALL_ABORT(device->createTextureView(inTexture, texViewDesc, texView.writeRef()));
return texView;
}
template<typename T>
ComPtr<IBufferResource> createBuffer(IDevice* device, int size, void* initialData)
{
IBufferResource::Desc bufferDesc = {};
bufferDesc.sizeInBytes = size * sizeof(T);
bufferDesc.format = gfx::Format::Unknown;
bufferDesc.elementSize = sizeof(T);
bufferDesc.allowedStates = ResourceStateSet(
ResourceState::ShaderResource,
ResourceState::UnorderedAccess,
ResourceState::CopyDestination,
ResourceState::CopySource);
bufferDesc.defaultState = ResourceState::UnorderedAccess;
bufferDesc.memoryType = MemoryType::DeviceLocal;
ComPtr<IBufferResource> outBuffer;
GFX_CHECK_CALL_ABORT(
device->createBufferResource(bufferDesc, initialData, outBuffer.writeRef()));
return outBuffer;
}
ComPtr<IResourceView> createOutBufferView(IDevice* device, ComPtr<IBufferResource> outBuffer)
{
ComPtr<IResourceView> bufferView;
IResourceView::Desc viewDesc = {};
viewDesc.type = IResourceView::Type::UnorderedAccess;
viewDesc.format = Format::Unknown;
GFX_CHECK_CALL_ABORT(
device->createBufferView(outBuffer, nullptr, viewDesc, bufferView.writeRef()));
return bufferView;
}
void sharedTextureTestImpl(IDevice* srcDevice, IDevice* dstDevice, UnitTestContext* context)
{
ISamplerState::Desc samplerDesc;
auto sampler = dstDevice->createSamplerState(samplerDesc);
float initFloatData[16] = {0.0f};
auto floatResults = createBuffer<float>(dstDevice, 16, initFloatData);
auto floatBufferView = createOutBufferView(dstDevice, floatResults);
uint32_t initUintData[16] = {0u};
auto uintResults = createBuffer<uint32_t>(dstDevice, 16, initUintData);
auto uintBufferView = createOutBufferView(dstDevice, uintResults);
int32_t initIntData[16] = {0};
auto intResults = createBuffer<uint32_t>(dstDevice, 16, initIntData);
auto intBufferView = createOutBufferView(dstDevice, intResults);
ITextureResource::Extents size = {};
size.width = 2;
size.height = 2;
size.depth = 1;
ITextureResource::Extents bcSize = {};
bcSize.width = 4;
bcSize.height = 4;
bcSize.depth = 1;
{
float texData[] = {
1.0f,
0.0f,
0.0f,
1.0f,
0.0f,
1.0f,
0.0f,
1.0f,
0.0f,
0.0f,
1.0f,
1.0f,
0.5f,
0.5f,
0.5f,
1.0f};
ITextureResource::SubresourceData subData = {(void*)texData, 32, 0};
// Create a shareable texture using srcDevice, get its handle, then create a texture using
// the handle using dstDevice. Read back the texture and check that its contents are
// correct.
auto srcTexture = createTexture(srcDevice, size, gfx::Format::R32G32B32A32_FLOAT, &subData);
InteropHandle sharedHandle;
GFX_CHECK_CALL_ABORT(srcTexture->getSharedHandle(&sharedHandle));
ComPtr<ITextureResource> dstTexture;
size_t sizeInBytes = 0;
size_t alignment = 0;
GFX_CHECK_CALL_ABORT(srcDevice->getTextureAllocationInfo(
*(srcTexture->getDesc()),
&sizeInBytes,
&alignment));
GFX_CHECK_CALL_ABORT(dstDevice->createTextureFromSharedHandle(
sharedHandle,
*(srcTexture->getDesc()),
sizeInBytes,
dstTexture.writeRef()));
// Reading back the buffer from srcDevice to make sure it's been filled in before reading
// anything back from dstDevice
// TODO: Implement actual synchronization (and not this hacky solution)
compareComputeResult(dstDevice, dstTexture, ResourceState::ShaderResource, texData, 32, 2);
auto texView = createTexView(dstDevice, dstTexture);
setUpAndRunShader(dstDevice, dstTexture, texView, floatBufferView, "copyTexFloat4");
compareComputeResult(
dstDevice,
floatResults,
Slang::makeArray<float>(
1.0f,
0.0f,
0.0f,
1.0f,
0.0f,
1.0f,
0.0f,
1.0f,
0.0f,
0.0f,
1.0f,
1.0f,
0.5f,
0.5f,
0.5f,
1.0f));
}
}
void sharedTextureTestAPI(
UnitTestContext* context,
Slang::RenderApiFlag::Enum srcApi,
Slang::RenderApiFlag::Enum dstApi)
{
auto srcDevice = createTestingDevice(context, srcApi);
auto dstDevice = createTestingDevice(context, dstApi);
if (!srcDevice || !dstDevice)
{
SLANG_IGNORE_TEST;
}
sharedTextureTestImpl(srcDevice, dstDevice, context);
}
#if SLANG_WIN64
SLANG_UNIT_TEST(sharedTextureD3D12ToCUDA)
{
sharedTextureTestAPI(unitTestContext, Slang::RenderApiFlag::D3D12, Slang::RenderApiFlag::CUDA);
}
SLANG_UNIT_TEST(sharedTextureVulkanToCUDA)
{
sharedTextureTestAPI(unitTestContext, Slang::RenderApiFlag::Vulkan, Slang::RenderApiFlag::CUDA);
}
#endif
} // namespace gfx_test
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