1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
#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 computeSmokeTestImpl(IDevice* device, UnitTestContext* context)
{
ComPtr<IShaderProgram> shaderProgram;
slang::ProgramLayout* slangReflection;
GFX_CHECK_CALL_ABORT(
loadComputeProgram(device, shaderProgram, "compute-smoke", "computeMain", slangReflection));
ComputePipelineDesc pipelineDesc = {};
pipelineDesc.program = shaderProgram.get();
ComPtr<IComputePipeline> pipelineState;
GFX_CHECK_CALL_ABORT(device->createComputePipeline(pipelineDesc, pipelineState.writeRef()));
const int numberCount = 4;
float initialData[] = {0.0f, 1.0f, 2.0f, 3.0f};
BufferDesc bufferDesc = {};
bufferDesc.size = numberCount * sizeof(float);
bufferDesc.format = rhi::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()));
// 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 encoder = commandEncoder->beginComputePass();
auto rootObject = encoder->bindPipeline(pipelineState);
slang::TypeReflection* addTransformerType =
slangReflection->findTypeByName("AddTransformer");
// Now we can use this type to create a shader object that can be bound to the root object.
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));
ShaderCursor entryPointCursor(
rootObject->getEntryPoint(0)); // get a cursor the the first entry-point.
// Bind buffer to the entry point.
entryPointCursor.getPath("buffer").setBinding(Binding(numbersBuffer));
// Bind the previously created transformer object to root object.
entryPointCursor.getPath("transformer").setObject(transformer);
encoder->dispatchCompute(1, 1, 1);
encoder->end();
auto commandBuffer = commandEncoder->finish();
queue->submit(commandBuffer);
queue->waitOnHost();
}
compareComputeResult(device, numbersBuffer, std::array{11.0f, 12.0f, 13.0f, 14.0f});
}
SLANG_UNIT_TEST(computeSmokeD3D12)
{
runTestImpl(computeSmokeTestImpl, unitTestContext, DeviceType::D3D12);
}
SLANG_UNIT_TEST(computeSmokeD3D11)
{
runTestImpl(computeSmokeTestImpl, unitTestContext, DeviceType::D3D11);
}
SLANG_UNIT_TEST(computeSmokeVulkan)
{
runTestImpl(computeSmokeTestImpl, unitTestContext, DeviceType::Vulkan);
}
} // namespace gfx_test
|
