src/tests/end2end/DynamicBufferOffsetTests.cpp - dawn - Git at Google

 // Copyright 2019 The Dawn Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 #include "tests/DawnTest.h"

 #include "utils/ComboRenderPipelineDescriptor.h"
 #include "utils/WGPUHelpers.h"

 constexpr uint32_t kRTSize = 400;
 constexpr uint32_t kBufferElementsCount = kMinUniformBufferOffsetAlignment / sizeof(uint32_t) + 2;
 constexpr uint32_t kBufferSize = kBufferElementsCount * sizeof(uint32_t);
 constexpr uint32_t kBindingSize = 8;

 class DynamicBufferOffsetTests : public DawnTest {
   protected:
     void SetUp() override {
         DawnTest::SetUp();

         // Mix up dynamic and non dynamic resources in one bind group and using not continuous
         // binding number to cover more cases.
         std::array<uint32_t, kBufferElementsCount> uniformData = {0};
         uniformData[0] = 1;
         uniformData[1] = 2;

         mUniformBuffers[0] = utils::CreateBufferFromData(device, uniformData.data(), kBufferSize,
                                                          wgpu::BufferUsage::Uniform);

         uniformData[uniformData.size() - 2] = 5;
         uniformData[uniformData.size() - 1] = 6;

         // Dynamic uniform buffer
         mUniformBuffers[1] = utils::CreateBufferFromData(device, uniformData.data(), kBufferSize,
                                                          wgpu::BufferUsage::Uniform);

         wgpu::BufferDescriptor storageBufferDescriptor;
         storageBufferDescriptor.size = kBufferSize;
         storageBufferDescriptor.usage =
             wgpu::BufferUsage::Storage | wgpu::BufferUsage::CopyDst | wgpu::BufferUsage::CopySrc;

         mStorageBuffers[0] = device.CreateBuffer(&storageBufferDescriptor);

         // Dynamic storage buffer
         mStorageBuffers[1] = device.CreateBuffer(&storageBufferDescriptor);

         // Default bind group layout
         mBindGroupLayouts[0] = utils::MakeBindGroupLayout(
             device, {{0, wgpu::ShaderStage::Compute | wgpu::ShaderStage::Fragment,
                       wgpu::BufferBindingType::Uniform},
                      {1, wgpu::ShaderStage::Compute | wgpu::ShaderStage::Fragment,
                       wgpu::BufferBindingType::Storage},
                      {3, wgpu::ShaderStage::Compute | wgpu::ShaderStage::Fragment,
                       wgpu::BufferBindingType::Uniform, true},
                      {4, wgpu::ShaderStage::Compute | wgpu::ShaderStage::Fragment,
                       wgpu::BufferBindingType::Storage, true}});

         // Default bind group
         mBindGroups[0] = utils::MakeBindGroup(device, mBindGroupLayouts[0],
                                               {{0, mUniformBuffers[0], 0, kBindingSize},
                                                {1, mStorageBuffers[0], 0, kBindingSize},
                                                {3, mUniformBuffers[1], 0, kBindingSize},
                                                {4, mStorageBuffers[1], 0, kBindingSize}});

         // Extra uniform buffer for inheriting test
         mUniformBuffers[2] = utils::CreateBufferFromData(device, uniformData.data(), kBufferSize,
                                                          wgpu::BufferUsage::Uniform);

         // Bind group layout for inheriting test
         mBindGroupLayouts[1] = utils::MakeBindGroupLayout(
             device, {{0, wgpu::ShaderStage::Compute | wgpu::ShaderStage::Fragment,
                       wgpu::BufferBindingType::Uniform}});

         // Bind group for inheriting test
         mBindGroups[1] = utils::MakeBindGroup(device, mBindGroupLayouts[1],
                                               {{0, mUniformBuffers[2], 0, kBindingSize}});
     }
     // Create objects to use as resources inside test bind groups.

     wgpu::BindGroup mBindGroups[2];
     wgpu::BindGroupLayout mBindGroupLayouts[2];
     wgpu::Buffer mUniformBuffers[3];
     wgpu::Buffer mStorageBuffers[2];
     wgpu::Texture mColorAttachment;

     wgpu::RenderPipeline CreateRenderPipeline(bool isInheritedPipeline = false) {
         wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"(
             [[stage(vertex)]]
             fn main([[builtin(vertex_index)]] VertexIndex : u32) -> [[builtin(position)]] vec4<f32> {
                 var pos = array<vec2<f32>, 3>(
                     vec2<f32>(-1.0, 0.0),
                     vec2<f32>(-1.0, 1.0),
                     vec2<f32>( 0.0, 1.0));
                 return vec4<f32>(pos[VertexIndex], 0.0, 1.0);
             })");

         // Construct fragment shader source
         std::ostringstream fs;
         std::string multipleNumber = isInheritedPipeline ? "2" : "1";
         fs << R"(
             [[block]] struct Buf {
                 value : vec2<u32>;
             };

             [[group(0), binding(0)]] var<uniform> uBufferNotDynamic : Buf;
             [[group(0), binding(1)]] var<storage, read_write> sBufferNotDynamic : Buf;
             [[group(0), binding(3)]] var<uniform> uBuffer : Buf;
             [[group(0), binding(4)]] var<storage, read_write> sBuffer : Buf;
         )";

         if (isInheritedPipeline) {
             fs << R"(
                 [[group(1), binding(0)]] var<uniform> paddingBlock : Buf;
             )";
         }

         fs << "let multipleNumber : u32 = " << multipleNumber << "u;\n";
         fs << R"(
             [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> {
                 sBufferNotDynamic.value = uBufferNotDynamic.value.xy;
                 sBuffer.value = vec2<u32>(multipleNumber, multipleNumber) * (uBuffer.value.xy + uBufferNotDynamic.value.xy);
                 return vec4<f32>(f32(uBuffer.value.x) / 255.0, f32(uBuffer.value.y) / 255.0,
                                       1.0, 1.0);
             }
         )";

         wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, fs.str().c_str());

         utils::ComboRenderPipelineDescriptor pipelineDescriptor;
         pipelineDescriptor.vertex.module = vsModule;
         pipelineDescriptor.cFragment.module = fsModule;
         pipelineDescriptor.cTargets[0].format = wgpu::TextureFormat::RGBA8Unorm;

         wgpu::PipelineLayoutDescriptor pipelineLayoutDescriptor;
         if (isInheritedPipeline) {
             pipelineLayoutDescriptor.bindGroupLayoutCount = 2;
         } else {
             pipelineLayoutDescriptor.bindGroupLayoutCount = 1;
         }
         pipelineLayoutDescriptor.bindGroupLayouts = mBindGroupLayouts;
         pipelineDescriptor.layout = device.CreatePipelineLayout(&pipelineLayoutDescriptor);

         return device.CreateRenderPipeline(&pipelineDescriptor);
     }

     wgpu::ComputePipeline CreateComputePipeline(bool isInheritedPipeline = false) {
         // Construct compute shader source
         std::ostringstream cs;
         std::string multipleNumber = isInheritedPipeline ? "2" : "1";
         cs << R"(
             [[block]] struct Buf {
                 value : vec2<u32>;
             };

             [[group(0), binding(0)]] var<uniform> uBufferNotDynamic : Buf;
             [[group(0), binding(1)]] var<storage, read_write> sBufferNotDynamic : Buf;
             [[group(0), binding(3)]] var<uniform> uBuffer : Buf;
             [[group(0), binding(4)]] var<storage, read_write> sBuffer : Buf;
         )";

         if (isInheritedPipeline) {
             cs << R"(
                 [[group(1), binding(0)]] var<uniform> paddingBlock : Buf;
             )";
         }

         cs << "let multipleNumber : u32 = " << multipleNumber << "u;\n";
         cs << R"(
             [[stage(compute), workgroup_size(1)]] fn main() {
                 sBufferNotDynamic.value = uBufferNotDynamic.value.xy;
                 sBuffer.value = vec2<u32>(multipleNumber, multipleNumber) * (uBuffer.value.xy + uBufferNotDynamic.value.xy);
             }
         )";

         wgpu::ShaderModule csModule = utils::CreateShaderModule(device, cs.str().c_str());

         wgpu::ComputePipelineDescriptor csDesc;
         csDesc.compute.module = csModule;
         csDesc.compute.entryPoint = "main";

         wgpu::PipelineLayoutDescriptor pipelineLayoutDescriptor;
         if (isInheritedPipeline) {
             pipelineLayoutDescriptor.bindGroupLayoutCount = 2;
         } else {
             pipelineLayoutDescriptor.bindGroupLayoutCount = 1;
         }
         pipelineLayoutDescriptor.bindGroupLayouts = mBindGroupLayouts;
         csDesc.layout = device.CreatePipelineLayout(&pipelineLayoutDescriptor);

         return device.CreateComputePipeline(&csDesc);
     }
 };

 // Dynamic offsets are all zero and no effect to result.
 TEST_P(DynamicBufferOffsetTests, BasicRenderPipeline) {
     wgpu::RenderPipeline pipeline = CreateRenderPipeline();
     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);

     wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
     std::array<uint32_t, 2> offsets = {0, 0};
     wgpu::RenderPassEncoder renderPassEncoder =
         commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
     renderPassEncoder.SetPipeline(pipeline);
     renderPassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
     renderPassEncoder.Draw(3);
     renderPassEncoder.EndPass();
     wgpu::CommandBuffer commands = commandEncoder.Finish();
     queue.Submit(1, &commands);

     std::vector<uint32_t> expectedData = {2, 4};
     EXPECT_PIXEL_RGBA8_EQ(RGBA8(1, 2, 255, 255), renderPass.color, 0, 0);
     EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1], 0, expectedData.size());
 }

 // Have non-zero dynamic offsets.
 TEST_P(DynamicBufferOffsetTests, SetDynamicOffsetsRenderPipeline) {
     wgpu::RenderPipeline pipeline = CreateRenderPipeline();
     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);

     wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
     std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
                                        kMinUniformBufferOffsetAlignment};
     wgpu::RenderPassEncoder renderPassEncoder =
         commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
     renderPassEncoder.SetPipeline(pipeline);
     renderPassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
     renderPassEncoder.Draw(3);
     renderPassEncoder.EndPass();
     wgpu::CommandBuffer commands = commandEncoder.Finish();
     queue.Submit(1, &commands);

     std::vector<uint32_t> expectedData = {6, 8};
     EXPECT_PIXEL_RGBA8_EQ(RGBA8(5, 6, 255, 255), renderPass.color, 0, 0);
     EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1],
                                kMinUniformBufferOffsetAlignment, expectedData.size());
 }

 // Dynamic offsets are all zero and no effect to result.
 TEST_P(DynamicBufferOffsetTests, BasicComputePipeline) {
     wgpu::ComputePipeline pipeline = CreateComputePipeline();

     std::array<uint32_t, 2> offsets = {0, 0};

     wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
     wgpu::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
     computePassEncoder.SetPipeline(pipeline);
     computePassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
     computePassEncoder.Dispatch(1);
     computePassEncoder.EndPass();
     wgpu::CommandBuffer commands = commandEncoder.Finish();
     queue.Submit(1, &commands);

     std::vector<uint32_t> expectedData = {2, 4};
     EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1], 0, expectedData.size());
 }

 // Have non-zero dynamic offsets.
 TEST_P(DynamicBufferOffsetTests, SetDynamicOffsetsComputePipeline) {
     wgpu::ComputePipeline pipeline = CreateComputePipeline();

     std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
                                        kMinUniformBufferOffsetAlignment};

     wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
     wgpu::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
     computePassEncoder.SetPipeline(pipeline);
     computePassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
     computePassEncoder.Dispatch(1);
     computePassEncoder.EndPass();
     wgpu::CommandBuffer commands = commandEncoder.Finish();
     queue.Submit(1, &commands);

     std::vector<uint32_t> expectedData = {6, 8};
     EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1],
                                kMinUniformBufferOffsetAlignment, expectedData.size());
 }

 // Test inherit dynamic offsets on render pipeline
 TEST_P(DynamicBufferOffsetTests, InheritDynamicOffsetsRenderPipeline) {
     // Using default pipeline and setting dynamic offsets
     wgpu::RenderPipeline pipeline = CreateRenderPipeline();
     wgpu::RenderPipeline testPipeline = CreateRenderPipeline(true);

     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);

     wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
     std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
                                        kMinUniformBufferOffsetAlignment};
     wgpu::RenderPassEncoder renderPassEncoder =
         commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
     renderPassEncoder.SetPipeline(pipeline);
     renderPassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
     renderPassEncoder.Draw(3);
     renderPassEncoder.SetPipeline(testPipeline);
     renderPassEncoder.SetBindGroup(1, mBindGroups[1]);
     renderPassEncoder.Draw(3);
     renderPassEncoder.EndPass();
     wgpu::CommandBuffer commands = commandEncoder.Finish();
     queue.Submit(1, &commands);

     std::vector<uint32_t> expectedData = {12, 16};
     EXPECT_PIXEL_RGBA8_EQ(RGBA8(5, 6, 255, 255), renderPass.color, 0, 0);
     EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1],
                                kMinUniformBufferOffsetAlignment, expectedData.size());
 }

 // Test inherit dynamic offsets on compute pipeline
 // TODO(shaobo.yan@intel.com) : Try this test on GTX1080 and cannot reproduce the failure.
 // Suspect it is due to dawn doesn't handle sync between two dispatch and disable this case.
 // Will double check root cause after got GTX1660.
 TEST_P(DynamicBufferOffsetTests, InheritDynamicOffsetsComputePipeline) {
     DAWN_SUPPRESS_TEST_IF(IsWindows());
     wgpu::ComputePipeline pipeline = CreateComputePipeline();
     wgpu::ComputePipeline testPipeline = CreateComputePipeline(true);

     std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
                                        kMinUniformBufferOffsetAlignment};

     wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
     wgpu::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
     computePassEncoder.SetPipeline(pipeline);
     computePassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
     computePassEncoder.Dispatch(1);
     computePassEncoder.SetPipeline(testPipeline);
     computePassEncoder.SetBindGroup(1, mBindGroups[1]);
     computePassEncoder.Dispatch(1);
     computePassEncoder.EndPass();
     wgpu::CommandBuffer commands = commandEncoder.Finish();
     queue.Submit(1, &commands);

     std::vector<uint32_t> expectedData = {12, 16};
     EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1],
                                kMinUniformBufferOffsetAlignment, expectedData.size());
 }

 // Setting multiple dynamic offsets for the same bindgroup in one render pass.
 TEST_P(DynamicBufferOffsetTests, UpdateDynamicOffsetsMultipleTimesRenderPipeline) {
     // Using default pipeline and setting dynamic offsets
     wgpu::RenderPipeline pipeline = CreateRenderPipeline();

     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);

     wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
     std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
                                        kMinUniformBufferOffsetAlignment};
     std::array<uint32_t, 2> testOffsets = {0, 0};

     wgpu::RenderPassEncoder renderPassEncoder =
         commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
     renderPassEncoder.SetPipeline(pipeline);
     renderPassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
     renderPassEncoder.Draw(3);
     renderPassEncoder.SetBindGroup(0, mBindGroups[0], testOffsets.size(), testOffsets.data());
     renderPassEncoder.Draw(3);
     renderPassEncoder.EndPass();
     wgpu::CommandBuffer commands = commandEncoder.Finish();
     queue.Submit(1, &commands);

     std::vector<uint32_t> expectedData = {2, 4};
     EXPECT_PIXEL_RGBA8_EQ(RGBA8(1, 2, 255, 255), renderPass.color, 0, 0);
     EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1], 0, expectedData.size());
 }

 // Setting multiple dynamic offsets for the same bindgroup in one compute pass.
 TEST_P(DynamicBufferOffsetTests, UpdateDynamicOffsetsMultipleTimesComputePipeline) {
     wgpu::ComputePipeline pipeline = CreateComputePipeline();

     std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
                                        kMinUniformBufferOffsetAlignment};
     std::array<uint32_t, 2> testOffsets = {0, 0};

     wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
     wgpu::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
     computePassEncoder.SetPipeline(pipeline);
     computePassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
     computePassEncoder.Dispatch(1);
     computePassEncoder.SetBindGroup(0, mBindGroups[0], testOffsets.size(), testOffsets.data());
     computePassEncoder.Dispatch(1);
     computePassEncoder.EndPass();
     wgpu::CommandBuffer commands = commandEncoder.Finish();
     queue.Submit(1, &commands);

     std::vector<uint32_t> expectedData = {2, 4};
     EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1], 0, expectedData.size());
 }

 DAWN_INSTANTIATE_TEST(DynamicBufferOffsetTests,
                       D3D12Backend(),
                       MetalBackend(),
                       OpenGLBackend(),
                       OpenGLESBackend(),
                       VulkanBackend());
	// Copyright 2019 The Dawn Authors
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	#include "tests/DawnTest.h"

	#include "utils/ComboRenderPipelineDescriptor.h"
	#include "utils/WGPUHelpers.h"

	constexpr uint32_t kRTSize = 400;
	constexpr uint32_t kBufferElementsCount = kMinUniformBufferOffsetAlignment / sizeof(uint32_t) + 2;
	constexpr uint32_t kBufferSize = kBufferElementsCount * sizeof(uint32_t);
	constexpr uint32_t kBindingSize = 8;

	class DynamicBufferOffsetTests : public DawnTest {
	protected:
	void SetUp() override {
	DawnTest::SetUp();

	// Mix up dynamic and non dynamic resources in one bind group and using not continuous
	// binding number to cover more cases.
	std::array<uint32_t, kBufferElementsCount> uniformData = {0};
	uniformData[0] = 1;
	uniformData[1] = 2;

	mUniformBuffers[0] = utils::CreateBufferFromData(device, uniformData.data(), kBufferSize,
	wgpu::BufferUsage::Uniform);

	uniformData[uniformData.size() - 2] = 5;
	uniformData[uniformData.size() - 1] = 6;

	// Dynamic uniform buffer
	mUniformBuffers[1] = utils::CreateBufferFromData(device, uniformData.data(), kBufferSize,
	wgpu::BufferUsage::Uniform);

	wgpu::BufferDescriptor storageBufferDescriptor;
	storageBufferDescriptor.size = kBufferSize;
	storageBufferDescriptor.usage =
	wgpu::BufferUsage::Storage \| wgpu::BufferUsage::CopyDst \| wgpu::BufferUsage::CopySrc;

	mStorageBuffers[0] = device.CreateBuffer(&storageBufferDescriptor);

	// Dynamic storage buffer
	mStorageBuffers[1] = device.CreateBuffer(&storageBufferDescriptor);

	// Default bind group layout
	mBindGroupLayouts[0] = utils::MakeBindGroupLayout(
	device, {{0, wgpu::ShaderStage::Compute \| wgpu::ShaderStage::Fragment,
	wgpu::BufferBindingType::Uniform},
	{1, wgpu::ShaderStage::Compute \| wgpu::ShaderStage::Fragment,
	wgpu::BufferBindingType::Storage},
	{3, wgpu::ShaderStage::Compute \| wgpu::ShaderStage::Fragment,
	wgpu::BufferBindingType::Uniform, true},
	{4, wgpu::ShaderStage::Compute \| wgpu::ShaderStage::Fragment,
	wgpu::BufferBindingType::Storage, true}});

	// Default bind group
	mBindGroups[0] = utils::MakeBindGroup(device, mBindGroupLayouts[0],
	{{0, mUniformBuffers[0], 0, kBindingSize},
	{1, mStorageBuffers[0], 0, kBindingSize},
	{3, mUniformBuffers[1], 0, kBindingSize},
	{4, mStorageBuffers[1], 0, kBindingSize}});

	// Extra uniform buffer for inheriting test
	mUniformBuffers[2] = utils::CreateBufferFromData(device, uniformData.data(), kBufferSize,
	wgpu::BufferUsage::Uniform);

	// Bind group layout for inheriting test
	mBindGroupLayouts[1] = utils::MakeBindGroupLayout(
	device, {{0, wgpu::ShaderStage::Compute \| wgpu::ShaderStage::Fragment,
	wgpu::BufferBindingType::Uniform}});

	// Bind group for inheriting test
	mBindGroups[1] = utils::MakeBindGroup(device, mBindGroupLayouts[1],
	{{0, mUniformBuffers[2], 0, kBindingSize}});
	}
	// Create objects to use as resources inside test bind groups.

	wgpu::BindGroup mBindGroups[2];
	wgpu::BindGroupLayout mBindGroupLayouts[2];
	wgpu::Buffer mUniformBuffers[3];
	wgpu::Buffer mStorageBuffers[2];
	wgpu::Texture mColorAttachment;

	wgpu::RenderPipeline CreateRenderPipeline(bool isInheritedPipeline = false) {
	wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"(
	[[stage(vertex)]]
	fn main([[builtin(vertex_index)]] VertexIndex : u32) -> [[builtin(position)]] vec4<f32> {
	var pos = array<vec2<f32>, 3>(
	vec2<f32>(-1.0, 0.0),
	vec2<f32>(-1.0, 1.0),
	vec2<f32>( 0.0, 1.0));
	return vec4<f32>(pos[VertexIndex], 0.0, 1.0);
	})");

	// Construct fragment shader source
	std::ostringstream fs;
	std::string multipleNumber = isInheritedPipeline ? "2" : "1";
	fs << R"(
	[[block]] struct Buf {
	value : vec2<u32>;
	};

	[[group(0), binding(0)]] var<uniform> uBufferNotDynamic : Buf;
	[[group(0), binding(1)]] var<storage, read_write> sBufferNotDynamic : Buf;
	[[group(0), binding(3)]] var<uniform> uBuffer : Buf;
	[[group(0), binding(4)]] var<storage, read_write> sBuffer : Buf;
	)";

	if (isInheritedPipeline) {
	fs << R"(
	[[group(1), binding(0)]] var<uniform> paddingBlock : Buf;
	)";
	}

	fs << "let multipleNumber : u32 = " << multipleNumber << "u;\n";
	fs << R"(
	[[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> {
	sBufferNotDynamic.value = uBufferNotDynamic.value.xy;
	sBuffer.value = vec2<u32>(multipleNumber, multipleNumber) * (uBuffer.value.xy + uBufferNotDynamic.value.xy);
	return vec4<f32>(f32(uBuffer.value.x) / 255.0, f32(uBuffer.value.y) / 255.0,
	1.0, 1.0);
	}
	)";

	wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, fs.str().c_str());

	utils::ComboRenderPipelineDescriptor pipelineDescriptor;
	pipelineDescriptor.vertex.module = vsModule;
	pipelineDescriptor.cFragment.module = fsModule;
	pipelineDescriptor.cTargets[0].format = wgpu::TextureFormat::RGBA8Unorm;

	wgpu::PipelineLayoutDescriptor pipelineLayoutDescriptor;
	if (isInheritedPipeline) {
	pipelineLayoutDescriptor.bindGroupLayoutCount = 2;
	} else {
	pipelineLayoutDescriptor.bindGroupLayoutCount = 1;
	}
	pipelineLayoutDescriptor.bindGroupLayouts = mBindGroupLayouts;
	pipelineDescriptor.layout = device.CreatePipelineLayout(&pipelineLayoutDescriptor);

	return device.CreateRenderPipeline(&pipelineDescriptor);
	}

	wgpu::ComputePipeline CreateComputePipeline(bool isInheritedPipeline = false) {
	// Construct compute shader source
	std::ostringstream cs;
	std::string multipleNumber = isInheritedPipeline ? "2" : "1";
	cs << R"(
	[[block]] struct Buf {
	value : vec2<u32>;
	};

	[[group(0), binding(0)]] var<uniform> uBufferNotDynamic : Buf;
	[[group(0), binding(1)]] var<storage, read_write> sBufferNotDynamic : Buf;
	[[group(0), binding(3)]] var<uniform> uBuffer : Buf;
	[[group(0), binding(4)]] var<storage, read_write> sBuffer : Buf;
	)";

	if (isInheritedPipeline) {
	cs << R"(
	[[group(1), binding(0)]] var<uniform> paddingBlock : Buf;
	)";
	}

	cs << "let multipleNumber : u32 = " << multipleNumber << "u;\n";
	cs << R"(
	[[stage(compute), workgroup_size(1)]] fn main() {
	sBufferNotDynamic.value = uBufferNotDynamic.value.xy;
	sBuffer.value = vec2<u32>(multipleNumber, multipleNumber) * (uBuffer.value.xy + uBufferNotDynamic.value.xy);
	}
	)";

	wgpu::ShaderModule csModule = utils::CreateShaderModule(device, cs.str().c_str());

	wgpu::ComputePipelineDescriptor csDesc;
	csDesc.compute.module = csModule;
	csDesc.compute.entryPoint = "main";

	wgpu::PipelineLayoutDescriptor pipelineLayoutDescriptor;
	if (isInheritedPipeline) {
	pipelineLayoutDescriptor.bindGroupLayoutCount = 2;
	} else {
	pipelineLayoutDescriptor.bindGroupLayoutCount = 1;
	}
	pipelineLayoutDescriptor.bindGroupLayouts = mBindGroupLayouts;
	csDesc.layout = device.CreatePipelineLayout(&pipelineLayoutDescriptor);

	return device.CreateComputePipeline(&csDesc);
	}
	};

	// Dynamic offsets are all zero and no effect to result.
	TEST_P(DynamicBufferOffsetTests, BasicRenderPipeline) {
	wgpu::RenderPipeline pipeline = CreateRenderPipeline();
	utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);

	wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
	std::array<uint32_t, 2> offsets = {0, 0};
	wgpu::RenderPassEncoder renderPassEncoder =
	commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
	renderPassEncoder.SetPipeline(pipeline);
	renderPassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
	renderPassEncoder.Draw(3);
	renderPassEncoder.EndPass();
	wgpu::CommandBuffer commands = commandEncoder.Finish();
	queue.Submit(1, &commands);

	std::vector<uint32_t> expectedData = {2, 4};
	EXPECT_PIXEL_RGBA8_EQ(RGBA8(1, 2, 255, 255), renderPass.color, 0, 0);
	EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1], 0, expectedData.size());
	}

	// Have non-zero dynamic offsets.
	TEST_P(DynamicBufferOffsetTests, SetDynamicOffsetsRenderPipeline) {
	wgpu::RenderPipeline pipeline = CreateRenderPipeline();
	utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);

	wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
	std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
	kMinUniformBufferOffsetAlignment};
	wgpu::RenderPassEncoder renderPassEncoder =
	commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
	renderPassEncoder.SetPipeline(pipeline);
	renderPassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
	renderPassEncoder.Draw(3);
	renderPassEncoder.EndPass();
	wgpu::CommandBuffer commands = commandEncoder.Finish();
	queue.Submit(1, &commands);

	std::vector<uint32_t> expectedData = {6, 8};
	EXPECT_PIXEL_RGBA8_EQ(RGBA8(5, 6, 255, 255), renderPass.color, 0, 0);
	EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1],
	kMinUniformBufferOffsetAlignment, expectedData.size());
	}

	// Dynamic offsets are all zero and no effect to result.
	TEST_P(DynamicBufferOffsetTests, BasicComputePipeline) {
	wgpu::ComputePipeline pipeline = CreateComputePipeline();

	std::array<uint32_t, 2> offsets = {0, 0};

	wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
	wgpu::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
	computePassEncoder.SetPipeline(pipeline);
	computePassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
	computePassEncoder.Dispatch(1);
	computePassEncoder.EndPass();
	wgpu::CommandBuffer commands = commandEncoder.Finish();
	queue.Submit(1, &commands);

	std::vector<uint32_t> expectedData = {2, 4};
	EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1], 0, expectedData.size());
	}

	// Have non-zero dynamic offsets.
	TEST_P(DynamicBufferOffsetTests, SetDynamicOffsetsComputePipeline) {
	wgpu::ComputePipeline pipeline = CreateComputePipeline();

	std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
	kMinUniformBufferOffsetAlignment};

	wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
	wgpu::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
	computePassEncoder.SetPipeline(pipeline);
	computePassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
	computePassEncoder.Dispatch(1);
	computePassEncoder.EndPass();
	wgpu::CommandBuffer commands = commandEncoder.Finish();
	queue.Submit(1, &commands);

	std::vector<uint32_t> expectedData = {6, 8};
	EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1],
	kMinUniformBufferOffsetAlignment, expectedData.size());
	}

	// Test inherit dynamic offsets on render pipeline
	TEST_P(DynamicBufferOffsetTests, InheritDynamicOffsetsRenderPipeline) {
	// Using default pipeline and setting dynamic offsets
	wgpu::RenderPipeline pipeline = CreateRenderPipeline();
	wgpu::RenderPipeline testPipeline = CreateRenderPipeline(true);

	utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);

	wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
	std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
	kMinUniformBufferOffsetAlignment};
	wgpu::RenderPassEncoder renderPassEncoder =
	commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
	renderPassEncoder.SetPipeline(pipeline);
	renderPassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
	renderPassEncoder.Draw(3);
	renderPassEncoder.SetPipeline(testPipeline);
	renderPassEncoder.SetBindGroup(1, mBindGroups[1]);
	renderPassEncoder.Draw(3);
	renderPassEncoder.EndPass();
	wgpu::CommandBuffer commands = commandEncoder.Finish();
	queue.Submit(1, &commands);

	std::vector<uint32_t> expectedData = {12, 16};
	EXPECT_PIXEL_RGBA8_EQ(RGBA8(5, 6, 255, 255), renderPass.color, 0, 0);
	EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1],
	kMinUniformBufferOffsetAlignment, expectedData.size());
	}

	// Test inherit dynamic offsets on compute pipeline
	// TODO(shaobo.yan@intel.com) : Try this test on GTX1080 and cannot reproduce the failure.
	// Suspect it is due to dawn doesn't handle sync between two dispatch and disable this case.
	// Will double check root cause after got GTX1660.
	TEST_P(DynamicBufferOffsetTests, InheritDynamicOffsetsComputePipeline) {
	DAWN_SUPPRESS_TEST_IF(IsWindows());
	wgpu::ComputePipeline pipeline = CreateComputePipeline();
	wgpu::ComputePipeline testPipeline = CreateComputePipeline(true);

	std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
	kMinUniformBufferOffsetAlignment};

	wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
	wgpu::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
	computePassEncoder.SetPipeline(pipeline);
	computePassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
	computePassEncoder.Dispatch(1);
	computePassEncoder.SetPipeline(testPipeline);
	computePassEncoder.SetBindGroup(1, mBindGroups[1]);
	computePassEncoder.Dispatch(1);
	computePassEncoder.EndPass();
	wgpu::CommandBuffer commands = commandEncoder.Finish();
	queue.Submit(1, &commands);

	std::vector<uint32_t> expectedData = {12, 16};
	EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1],
	kMinUniformBufferOffsetAlignment, expectedData.size());
	}

	// Setting multiple dynamic offsets for the same bindgroup in one render pass.
	TEST_P(DynamicBufferOffsetTests, UpdateDynamicOffsetsMultipleTimesRenderPipeline) {
	// Using default pipeline and setting dynamic offsets
	wgpu::RenderPipeline pipeline = CreateRenderPipeline();

	utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);

	wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
	std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
	kMinUniformBufferOffsetAlignment};
	std::array<uint32_t, 2> testOffsets = {0, 0};

	wgpu::RenderPassEncoder renderPassEncoder =
	commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
	renderPassEncoder.SetPipeline(pipeline);
	renderPassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
	renderPassEncoder.Draw(3);
	renderPassEncoder.SetBindGroup(0, mBindGroups[0], testOffsets.size(), testOffsets.data());
	renderPassEncoder.Draw(3);
	renderPassEncoder.EndPass();
	wgpu::CommandBuffer commands = commandEncoder.Finish();
	queue.Submit(1, &commands);

	std::vector<uint32_t> expectedData = {2, 4};
	EXPECT_PIXEL_RGBA8_EQ(RGBA8(1, 2, 255, 255), renderPass.color, 0, 0);
	EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1], 0, expectedData.size());
	}

	// Setting multiple dynamic offsets for the same bindgroup in one compute pass.
	TEST_P(DynamicBufferOffsetTests, UpdateDynamicOffsetsMultipleTimesComputePipeline) {
	wgpu::ComputePipeline pipeline = CreateComputePipeline();

	std::array<uint32_t, 2> offsets = {kMinUniformBufferOffsetAlignment,
	kMinUniformBufferOffsetAlignment};
	std::array<uint32_t, 2> testOffsets = {0, 0};

	wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder();
	wgpu::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
	computePassEncoder.SetPipeline(pipeline);
	computePassEncoder.SetBindGroup(0, mBindGroups[0], offsets.size(), offsets.data());
	computePassEncoder.Dispatch(1);
	computePassEncoder.SetBindGroup(0, mBindGroups[0], testOffsets.size(), testOffsets.data());
	computePassEncoder.Dispatch(1);
	computePassEncoder.EndPass();
	wgpu::CommandBuffer commands = commandEncoder.Finish();
	queue.Submit(1, &commands);

	std::vector<uint32_t> expectedData = {2, 4};
	EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mStorageBuffers[1], 0, expectedData.size());
	}

	DAWN_INSTANTIATE_TEST(DynamicBufferOffsetTests,
	D3D12Backend(),
	MetalBackend(),
	OpenGLBackend(),
	OpenGLESBackend(),
	VulkanBackend());