yum-mirror/slang

Making it easier to work with shaders

git clone https://git.yummers.dev/yum-mirror/slang

Gangzheng TongConvert gfx unit tests and examples to use slang-rhi (#7577)43d0c2100

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1// Duplicated: This test is identical slang-rhi\tests\test-root-shader-parameter.cpp
2
3#include "core/slang-basic.h"
4#include "gfx-test-util.h"
5#include "slang-rhi.h"
6#include "slang-rhi/shader-cursor.h"
7#include "unit-test/slang-unit-test.h"
8
9using namespace rhi;
10
11namespace gfx_test
12{
13static ComPtr<IBuffer> createBuffer(IDevice* device, uint32_t content)
14{
15    ComPtr<IBuffer> buffer;
16    BufferDesc bufferDesc = {};
17    bufferDesc.size = sizeof(uint32_t);
18    bufferDesc.format = rhi::Format::Undefined;
19    bufferDesc.elementSize = sizeof(float);
20    bufferDesc.usage = BufferUsage::ShaderResource | BufferUsage::UnorderedAccess |
21                       BufferUsage::CopyDestination | BufferUsage::CopySource;
22    bufferDesc.defaultState = ResourceState::UnorderedAccess;
23    bufferDesc.memoryType = MemoryType::DeviceLocal;
24
25    ComPtr<IBuffer> numbersBuffer;
26    GFX_CHECK_CALL_ABORT(device->createBuffer(bufferDesc, (void*)&content, buffer.writeRef()));
27
28    return buffer;
29}
30void rootShaderParameterTestImpl(IDevice* device, UnitTestContext* context)
31{
32    if (!device->hasFeature(Feature::ParameterBlock))
33    {
34        SLANG_CHECK("no support for parameter blocks");
35    }
36
37    ComPtr<IShaderProgram> shaderProgram;
38    slang::ProgramLayout* slangReflection;
39    GFX_CHECK_CALL_ABORT(loadComputeProgram(
40        device,
41        shaderProgram,
42        "root-shader-parameter",
43        "computeMain",
44        slangReflection));
45
46    ComputePipelineDesc pipelineDesc = {};
47    pipelineDesc.program = shaderProgram.get();
48    ComPtr<rhi::IComputePipeline> pipeline = device->createComputePipeline(pipelineDesc);
49
50    Slang::List<ComPtr<IBuffer>> buffers;
51
52    for (uint32_t i = 0; i < 9; i++)
53    {
54        buffers.add(createBuffer(device, i == 0 ? 10 : i));
55    }
56
57    ComPtr<IShaderObject> rootObject;
58    device->createRootShaderObject(shaderProgram, rootObject.writeRef());
59
60    ComPtr<IShaderObject> g, s1, s2;
61    device->createShaderObject(
62        slangReflection->findTypeByName("S0"),
63        ShaderObjectContainerType::None,
64        g.writeRef());
65    device->createShaderObject(
66        slangReflection->findTypeByName("S1"),
67        ShaderObjectContainerType::None,
68        s1.writeRef());
69    device->createShaderObject(
70        slangReflection->findTypeByName("S1"),
71        ShaderObjectContainerType::None,
72        s2.writeRef());
73
74    {
75        auto cursor = ShaderCursor(s1);
76        cursor["c0"].setBinding(buffers[2]);
77        cursor["c1"].setBinding(buffers[3]);
78        cursor["c2"].setBinding(buffers[4]);
79    }
80    {
81        auto cursor = ShaderCursor(s2);
82        cursor["c0"].setBinding(buffers[5]);
83        cursor["c1"].setBinding(buffers[6]);
84        cursor["c2"].setBinding(buffers[7]);
85    }
86    {
87        auto cursor = ShaderCursor(g);
88        cursor["b0"].setBinding(buffers[0]);
89        cursor["b1"].setBinding(buffers[1]);
90        cursor["s1"].setObject(s1);
91        cursor["s2"].setObject(s2);
92    }
93    {
94        auto cursor = ShaderCursor(rootObject);
95        cursor["g"].setObject(g);
96        cursor["buffer"].setBinding(buffers[8]);
97    }
98
99    {
100        auto queue = device->getQueue(QueueType::Graphics);
101
102        auto commandBuffer = queue->createCommandEncoder();
103        {
104            auto encoder = commandBuffer->beginComputePass();
105            encoder->bindPipeline(pipeline, rootObject);
106            encoder->dispatchCompute(1, 1, 1);
107            encoder->end();
108        }
109
110        queue->submit(commandBuffer->finish());
111        queue->waitOnHost();
112    }
113
114    compareComputeResult(device, buffers[8], std::array{10 - 1 + 2 - 3 + 4 + 5 - 6 + 7});
115}
116
117SLANG_UNIT_TEST(rootShaderParameterD3D12)
118{
119    runTestImpl(rootShaderParameterTestImpl, unitTestContext, DeviceType::D3D12);
120}
121
122SLANG_UNIT_TEST(rootShaderParameterVulkan)
123{
124    runTestImpl(rootShaderParameterTestImpl, unitTestContext, DeviceType::Vulkan);
125}
126} // namespace gfx_test