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Fix dynamic buffer offset issues on D3D12 backend 

This patch fixes
1. Inherit dynamic buffer offsets : dawn chooses vulkan
like inherit behaviour, so dynamic offsets need to be inherited.
This patch adds inherit dynamic offsets between pipelines support and
adds tests to cover it.

2. Dynamic offsets are skipped when groups have been set : in D3D12
backend, when invoke SetBindGroup, dawn will check whether this group
has already been set and skip updating root signature if the answer is
yes. However, this behaviour will affect dynamic offsets update. With
the latest patch, we always update dynamic offsets, even if they didn't
change and adds tests to cover it.

This patch also hit a dawn's issue about storage buffer validation in compute pass.
Currently the validation is a workaround to avoid access conflicts but will impact
using dynamic buffer offset in compute pipeline. Fix this issue is hard so disable
related test for now and will enable it after the issue been fixed. File dawn bug
198 to track this

BUG=dawn:55

Change-Id: I2b0f179b3555d37d5b350292eb729767b0d60ab6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/9621
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
This commit is contained in:
Yan, Shaobo 2019-08-07 18:20:33 +00:00 committed by Commit Bot service account
parent 1cd83ffbdd
commit 421584173c
4 changed files with 296 additions and 69 deletions
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37
src/dawn_native/d3d12/CommandBufferD3D12.cpp
View File

@ -154,21 +154,24 @@ namespace dawn_native { namespace d3d12 {
uint32_t dynamicOffsetCount,
uint64_t* dynamicOffsets,
bool force = false) {
if (mBindGroups[index] != group || force) {
mBindGroups[index] = group;
uint32_t currentDynamicBufferIndex = 0;
// Usually, the application won't set the same offsets many times,
// so always try to apply dynamic offsets even if the offsets stay the same
if (dynamicOffsetCount) {
// Update dynamic offsets
const BindGroupLayout::LayoutBindingInfo& layout =
group->GetLayout()->GetBindingInfo();
uint32_t currentDynamicBufferIndex = 0;
for (uint32_t bindingIndex : IterateBitSet(layout.dynamic)) {
ASSERT(dynamicOffsetCount > 0);
uint32_t parameterIndex =
pipelineLayout->GetDynamicRootParameterIndex(index, bindingIndex);
BufferBinding binding = group->GetBindingAsBufferBinding(bindingIndex);
// Calculate buffer locations that root descriptors links to. The location is
// (base buffer location + initial offset + dynamic offset)
uint64_t offset = dynamicOffsets[currentDynamicBufferIndex++] + binding.offset;
// Calculate buffer locations that root descriptors links to. The location
// is (base buffer location + initial offset + dynamic offset)
uint64_t dynamicOffset = dynamicOffsets[currentDynamicBufferIndex];
uint64_t offset = binding.offset + dynamicOffset;
D3D12_GPU_VIRTUAL_ADDRESS bufferLocation =
ToBackend(binding.buffer)->GetVA() + offset;
@ -198,7 +201,15 @@ namespace dawn_native { namespace d3d12 {
UNREACHABLE();
break;
}
// Record current dynamic offsets for inheriting
mLastDynamicOffsets[index][currentDynamicBufferIndex] = dynamicOffset;
++currentDynamicBufferIndex;
}
}
if (mBindGroups[index] != group || force) {
mBindGroups[index] = group;
uint32_t cbvUavSrvCount =
ToBackend(group->GetLayout())->GetCbvUavSrvDescriptorCount();
uint32_t samplerCount = ToBackend(group->GetLayout())->GetSamplerDescriptorCount();
@ -244,12 +255,11 @@ namespace dawn_native { namespace d3d12 {
for (uint32_t i = 0; i < inheritUntil; ++i) {
const BindGroupLayout* layout = ToBackend(mBindGroups[i]->GetLayout());
const uint32_t dynamicBufferCount = layout->GetDynamicBufferCount();
// TODO(shaobo.yan@intel.com) : Need to handle dynamic resources inherited with last
// dynamic offsets.
// Inherit dynamic offsets
if (dynamicBufferCount > 0) {
std::vector<uint64_t> zeroOffsets(dynamicBufferCount, 0);
SetBindGroup(commandList, newLayout, mBindGroups[i], i, dynamicBufferCount,
zeroOffsets.data(), true);
mLastDynamicOffsets[i].data(), true);
} else {
SetBindGroup(commandList, newLayout, mBindGroups[i], i, 0, nullptr, true);
}
@ -280,6 +290,8 @@ namespace dawn_native { namespace d3d12 {
uint32_t mSamplerDescriptorHeapSize = 0;
std::array<BindGroup*, kMaxBindGroups> mBindGroups = {};
std::deque<BindGroup*> mBindGroupsList = {};
std::array<std::array<uint64_t, kMaxDynamicBufferCount>, kMaxBindGroups>
mLastDynamicOffsets;
bool mInCompute = false;
DescriptorHeapHandle mCbvSrvUavGPUDescriptorHeap = {};
@ -805,9 +817,11 @@ namespace dawn_native { namespace d3d12 {
SetBindGroupCmd* cmd = mCommands.NextCommand<SetBindGroupCmd>();
BindGroup* group = ToBackend(cmd->group.Get());
uint64_t* dynamicOffsets = nullptr;
if (cmd->dynamicOffsetCount > 0) {
dynamicOffsets = mCommands.NextData<uint64_t>(cmd->dynamicOffsetCount);
}
bindingTracker->SetBindGroup(commandList, lastLayout, group, cmd->index,
cmd->dynamicOffsetCount, dynamicOffsets);
} break;
@ -1104,6 +1118,7 @@ namespace dawn_native { namespace d3d12 {
SetBindGroupCmd* cmd = mCommands.NextCommand<SetBindGroupCmd>();
BindGroup* group = ToBackend(cmd->group.Get());
uint64_t* dynamicOffsets = nullptr;
if (cmd->dynamicOffsetCount > 0) {
dynamicOffsets = mCommands.NextData<uint64_t>(cmd->dynamicOffsetCount);
}

2
src/dawn_native/d3d12/PipelineLayoutD3D12.cpp
View File

@ -165,7 +165,7 @@ namespace dawn_native { namespace d3d12 {
return mSamplerRootParameterInfo[group];
}
ComPtr<ID3D12RootSignature> PipelineLayout::GetRootSignature() {
ComPtr<ID3D12RootSignature> PipelineLayout::GetRootSignature() const {
return mRootSignature;
}

2
src/dawn_native/d3d12/PipelineLayoutD3D12.h
View File

@ -33,7 +33,7 @@ namespace dawn_native { namespace d3d12 {
// Returns the index of the root parameter reserved for a dynamic buffer binding
uint32_t GetDynamicRootParameterIndex(uint32_t group, uint32_t binding) const;
ComPtr<ID3D12RootSignature> GetRootSignature();
ComPtr<ID3D12RootSignature> GetRootSignature() const;
private:
std::array<uint32_t, kMaxBindGroups> mCbvUavSrvRootParameterInfo;

324
src/tests/end2end/DynamicBufferOffsetTests.cpp
View File

@ -52,7 +52,7 @@ class DynamicBufferOffsetTests : public DawnTest {
mDynamicStorageBuffer = device.CreateBuffer(&storageBufferDescriptor);
mBindGroupLayout = utils::MakeBindGroupLayout(
mDefaultBindGroupLayout = utils::MakeBindGroupLayout(
device, {{0, dawn::ShaderStageBit::Compute | dawn::ShaderStageBit::Fragment,
dawn::BindingType::UniformBuffer},
{1, dawn::ShaderStageBit::Compute | dawn::ShaderStageBit::Fragment,
@ -62,7 +62,9 @@ class DynamicBufferOffsetTests : public DawnTest {
{4, dawn::ShaderStageBit::Compute | dawn::ShaderStageBit::Fragment,
dawn::BindingType::StorageBuffer, true}});
mBindGroup = utils::MakeBindGroup(device, mBindGroupLayout,
mDefaultPipelineLayout = utils::MakeBasicPipelineLayout(device, &mDefaultBindGroupLayout);
mBindGroup = utils::MakeBindGroup(device, mDefaultBindGroupLayout,
{{0, mUniformBuffer, 0, kBindingSize},
{1, mStorageBuffer, 0, kBindingSize},
{3, mDynamicUniformBuffer, 0, kBindingSize},
@ -71,58 +73,16 @@ class DynamicBufferOffsetTests : public DawnTest {
// Create objects to use as resources inside test bind groups.
dawn::BindGroup mBindGroup;
dawn::BindGroupLayout mBindGroupLayout;
dawn::BindGroupLayout mDefaultBindGroupLayout;
dawn::PipelineLayout mDefaultPipelineLayout;
dawn::Buffer mUniformBuffer;
dawn::Buffer mStorageBuffer;
dawn::Buffer mDynamicUniformBuffer;
dawn::Buffer mDynamicStorageBuffer;
dawn::Texture mColorAttachment;
dawn::RenderPipeline CreateRenderPipeline() {
dawn::ShaderModule vsModule =
utils::CreateShaderModule(device, utils::ShaderStage::Vertex, R"(
#version 450
void main() {
const vec2 pos[3] = vec2[3](vec2(-1.0f, 0.0f), vec2(-1.0f, -1.0f), vec2(0.0f, -1.0f));
gl_Position = vec4(pos[gl_VertexIndex], 0.0, 1.0);
})");
dawn::ShaderModule fsModule =
utils::CreateShaderModule(device, utils::ShaderStage::Fragment, R"(
#version 450
layout(std140, set = 0, binding = 0) uniform uBufferNotDynamic {
uvec2 notDynamicValue;
};
layout(std140, set = 0, binding = 1) buffer sBufferNotDynamic {
uvec2 notDynamicResult;
} mid;
layout(std140, set = 0, binding = 3) uniform uBuffer {
uvec2 value;
};
layout(std140, set = 0, binding = 4) buffer SBuffer {
uvec2 result;
} sBuffer;
layout(location = 0) out vec4 fragColor;
void main() {
mid.notDynamicResult.xy = notDynamicValue.xy;
sBuffer.result.xy = value.xy + mid.notDynamicResult.xy;
fragColor = vec4(value.x / 255.0f, value.y / 255.0f, 1.0f, 1.0f);
})");
utils::ComboRenderPipelineDescriptor pipelineDescriptor(device);
pipelineDescriptor.cVertexStage.module = vsModule;
pipelineDescriptor.cFragmentStage.module = fsModule;
pipelineDescriptor.cColorStates[0]->format = dawn::TextureFormat::RGBA8Unorm;
dawn::PipelineLayout pipelineLayout =
utils::MakeBasicPipelineLayout(device, &mBindGroupLayout);
pipelineDescriptor.layout = pipelineLayout;
return device.CreateRenderPipeline(&pipelineDescriptor);
}
dawn::ComputePipeline CreateComputePipeline() {
dawn::ShaderModule csModule =
utils::CreateShaderModule(device, utils::ShaderStage::Compute, R"(
dawn::ShaderModule CreateDefaultCsModule() {
return utils::CreateShaderModule(device, utils::ShaderStage::Compute, R"(
#version 450
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
layout(std140, set = 0, binding = 0) uniform uBufferNotDynamic {
@ -142,24 +102,135 @@ class DynamicBufferOffsetTests : public DawnTest {
mid.notDynamicResult.xy = notDynamicValue.xy;
sBuffer.result.xy = value.xy + mid.notDynamicResult.xy;
})");
}
dawn::ShaderModule CreateDefaultVsModule() {
return utils::CreateShaderModule(device, utils::ShaderStage::Vertex, R"(
#version 450
void main() {
const vec2 pos[3] = vec2[3](vec2(-1.0f, 0.0f), vec2(-1.0f, -1.0f), vec2(0.0f, -1.0f));
gl_Position = vec4(pos[gl_VertexIndex], 0.0, 1.0);
})");
}
dawn::ShaderModule CreateDefaultFsModule() {
return utils::CreateShaderModule(device, utils::ShaderStage::Fragment, R"(
#version 450
layout(std140, set = 0, binding = 0) uniform uBufferNotDynamic {
uvec2 notDynamicValue;
};
layout(std140, set = 0, binding = 1) buffer sBufferNotDynamic {
uvec2 notDynamicResult;
} mid;
layout(std140, set = 0, binding = 3) uniform uBuffer {
uvec2 value;
};
layout(std140, set = 0, binding = 4) buffer SBuffer {
uvec2 result;
} sBuffer;
layout(location = 0) out vec4 fragColor;
void main() {
mid.notDynamicResult.xy = notDynamicValue.xy;
sBuffer.result.xy = value.xy + mid.notDynamicResult.xy;
fragColor = vec4(value.x / 255.0f, value.y / 255.0f, 1.0f, 1.0f);
})");
}
dawn::ShaderModule CreateInheritCsModule() {
return utils::CreateShaderModule(device, utils::ShaderStage::Compute, R"(
#version 450
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
layout(std140, set = 0, binding = 0) uniform uBufferNotDynamic {
uvec2 notDynamicValue;
};
layout(std140, set = 0, binding = 1) buffer sBufferNotDynamic {
uvec2 notDynamicResult;
} mid;
layout(std140, set = 0, binding = 3) uniform uBuffer {
uvec2 value;
};
layout(std140, set = 0, binding = 4) buffer SBuffer {
uvec2 result;
} sBuffer;
layout(std140, set = 1, binding = 0) uniform paddingBlock {
uvec2 padding;
};
void main() {
mid.notDynamicResult.xy = notDynamicValue.xy;
sBuffer.result.xy = 2 * (value.xy + mid.notDynamicResult.xy);
})");
}
dawn::ShaderModule CreateInheritFsModule() {
return utils::CreateShaderModule(device, utils::ShaderStage::Fragment, R"(
#version 450
layout(std140, set = 0, binding = 0) uniform uBufferNotDynamic {
uvec2 notDynamicValue;
};
layout(std140, set = 0, binding = 1) buffer sBufferNotDynamic {
uvec2 notDynamicResult;
} mid;
layout(std140, set = 0, binding = 3) uniform uBuffer {
uvec2 value;
};
layout(std140, set = 0, binding = 4) buffer SBuffer {
uvec2 result;
} sBuffer;
layout(std140, set = 1, binding = 0) uniform paddingBlock {
uvec2 padding;
};
layout(location = 0) out vec4 fragColor;
void main() {
mid.notDynamicResult.xy = notDynamicValue.xy;
sBuffer.result.xy = 2 * (value.xy + mid.notDynamicResult.xy);
fragColor = vec4(value.x / 255.0f, value.y / 255.0f, 1.0f, 1.0f);
})");
}
dawn::RenderPipeline CreateRenderPipeline(dawn::PipelineLayout layout,
dawn::ShaderModule vs,
dawn::ShaderModule fs) {
utils::ComboRenderPipelineDescriptor pipelineDescriptor(device);
pipelineDescriptor.cVertexStage.module = vs;
pipelineDescriptor.cFragmentStage.module = fs;
pipelineDescriptor.cColorStates[0]->format = dawn::TextureFormat::RGBA8Unorm;
pipelineDescriptor.layout = layout;
return device.CreateRenderPipeline(&pipelineDescriptor);
}
dawn::ComputePipeline CreateComputePipeline(dawn::PipelineLayout layout,
dawn::ShaderModule cs) {
dawn::ComputePipelineDescriptor csDesc;
dawn::PipelineLayout pipelineLayout =
utils::MakeBasicPipelineLayout(device, &mBindGroupLayout);
csDesc.layout = pipelineLayout;
csDesc.layout = layout;
dawn::PipelineStageDescriptor computeStage;
computeStage.module = csModule;
computeStage.module = cs;
computeStage.entryPoint = "main";
csDesc.computeStage = &computeStage;
return device.CreateComputePipeline(&csDesc);
}
dawn::RenderPipeline CreateDefaultRenderPipeline() {
dawn::ShaderModule vs = this->CreateDefaultVsModule();
dawn::ShaderModule fs = this->CreateDefaultFsModule();
return this->CreateRenderPipeline(mDefaultPipelineLayout, vs, fs);
}
dawn::ComputePipeline CreateDefaultComputePipeline() {
dawn::ShaderModule cs = this->CreateDefaultCsModule();
return this->CreateComputePipeline(mDefaultPipelineLayout, cs);
}
};
// Dynamic offsets are all zero and no effect to result.
TEST_P(DynamicBufferOffsetTests, BasicRenderPipeline) {
dawn::RenderPipeline pipeline = CreateRenderPipeline();
dawn::RenderPipeline pipeline = CreateDefaultRenderPipeline();
utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);
dawn::CommandEncoder commandEncoder = device.CreateCommandEncoder();
@ -180,7 +251,7 @@ TEST_P(DynamicBufferOffsetTests, BasicRenderPipeline) {
// Have non-zero dynamic offsets.
TEST_P(DynamicBufferOffsetTests, SetDynamicOffestsRenderPipeline) {
dawn::RenderPipeline pipeline = CreateRenderPipeline();
dawn::RenderPipeline pipeline = CreateDefaultRenderPipeline();
utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);
dawn::CommandEncoder commandEncoder = device.CreateCommandEncoder();
@ -203,7 +274,7 @@ TEST_P(DynamicBufferOffsetTests, SetDynamicOffestsRenderPipeline) {
// Dynamic offsets are all zero and no effect to result.
TEST_P(DynamicBufferOffsetTests, BasicComputePipeline) {
dawn::ComputePipeline pipeline = CreateComputePipeline();
dawn::ComputePipeline pipeline = CreateDefaultComputePipeline();
std::array<uint64_t, 2> offsets = {0, 0};
@ -222,7 +293,7 @@ TEST_P(DynamicBufferOffsetTests, BasicComputePipeline) {
// Have non-zero dynamic offsets.
TEST_P(DynamicBufferOffsetTests, SetDynamicOffestsComputePipeline) {
dawn::ComputePipeline pipeline = CreateComputePipeline();
dawn::ComputePipeline pipeline = CreateDefaultComputePipeline();
std::array<uint64_t, 2> offsets = {kMinDynamicBufferOffsetAlignment,
kMinDynamicBufferOffsetAlignment};
@ -241,6 +312,147 @@ TEST_P(DynamicBufferOffsetTests, SetDynamicOffestsComputePipeline) {
kMinDynamicBufferOffsetAlignment, expectedData.size());
}
// Test inherit dynamic offsets on render pipeline
TEST_P(DynamicBufferOffsetTests, InheritDynamicOffestsRenderPipeline) {
// Using default pipeline and setting dynamic offsets
dawn::RenderPipeline pipeline = CreateDefaultRenderPipeline();
dawn::ShaderModule testVs = CreateDefaultVsModule();
dawn::ShaderModule testFs = CreateInheritFsModule();
dawn::BindGroupLayout bgl[2];
bgl[0] = mDefaultBindGroupLayout;
bgl[1] = utils::MakeBindGroupLayout(
device, {{0, dawn::ShaderStageBit::Fragment, dawn::BindingType::UniformBuffer}});
dawn::PipelineLayoutDescriptor descriptor;
descriptor.bindGroupLayoutCount = 2;
descriptor.bindGroupLayouts = bgl;
dawn::PipelineLayout layout = device.CreatePipelineLayout(&descriptor);
dawn::RenderPipeline testPipeline = CreateRenderPipeline(layout, testVs, testFs);
std::array<uint32_t, kBufferElementsCount> uniformData = {0};
dawn::Buffer uniformBuffer = utils::CreateBufferFromData(
device, uniformData.data(), kBufferSize, dawn::BufferUsageBit::Uniform);
dawn::BindGroup bindGroup =
utils::MakeBindGroup(device, bgl[1], {{0, uniformBuffer, 0, kBindingSize}});
utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);
dawn::CommandEncoder commandEncoder = device.CreateCommandEncoder();
std::array<uint64_t, 2> offsets = {kMinDynamicBufferOffsetAlignment,
kMinDynamicBufferOffsetAlignment};
dawn::RenderPassEncoder renderPassEncoder =
commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
renderPassEncoder.SetPipeline(pipeline);
renderPassEncoder.SetBindGroup(0, mBindGroup, offsets.size(), offsets.data());
renderPassEncoder.Draw(3, 1, 0, 0);
renderPassEncoder.SetPipeline(testPipeline);
renderPassEncoder.SetBindGroup(1, bindGroup, 0, nullptr);
renderPassEncoder.Draw(3, 1, 0, 0);
renderPassEncoder.EndPass();
dawn::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(), mDynamicStorageBuffer,
kMinDynamicBufferOffsetAlignment, expectedData.size());
}
// Test inherit dynamic offsets on compute pipeline
TEST_P(DynamicBufferOffsetTests, InheritDynamicOffestsComputePipeline) {
dawn::ComputePipeline pipeline = CreateDefaultComputePipeline();
dawn::ShaderModule testCs = CreateInheritCsModule();
dawn::BindGroupLayout bgl[2];
bgl[0] = mDefaultBindGroupLayout;
bgl[1] = utils::MakeBindGroupLayout(
device, {{0, dawn::ShaderStageBit::Compute, dawn::BindingType::UniformBuffer}});
dawn::PipelineLayoutDescriptor descriptor;
descriptor.bindGroupLayoutCount = 2;
descriptor.bindGroupLayouts = bgl;
dawn::PipelineLayout layout = device.CreatePipelineLayout(&descriptor);
dawn::ComputePipeline testPipeline = CreateComputePipeline(layout, testCs);
std::array<uint32_t, kBufferElementsCount> uniformData = {0};
dawn::Buffer uniformBuffer = utils::CreateBufferFromData(
device, uniformData.data(), kBufferSize, dawn::BufferUsageBit::Uniform);
dawn::BindGroup bindGroup =
utils::MakeBindGroup(device, bgl[1], {{0, uniformBuffer, 0, kBindingSize}});
std::array<uint64_t, 2> offsets = {kMinDynamicBufferOffsetAlignment,
kMinDynamicBufferOffsetAlignment};
dawn::CommandEncoder commandEncoder = device.CreateCommandEncoder();
dawn::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
computePassEncoder.SetPipeline(pipeline);
computePassEncoder.SetBindGroup(0, mBindGroup, offsets.size(), offsets.data());
computePassEncoder.Dispatch(1, 1, 1);
computePassEncoder.SetPipeline(testPipeline);
computePassEncoder.SetBindGroup(1, bindGroup, 0, nullptr);
computePassEncoder.Dispatch(1, 1, 1);
computePassEncoder.EndPass();
dawn::CommandBuffer commands = commandEncoder.Finish();
queue.Submit(1, &commands);
std::vector<uint32_t> expectedData = {12, 16};
EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mDynamicStorageBuffer,
kMinDynamicBufferOffsetAlignment, expectedData.size());
}
// Setting multiple dynamic offsets for the same bindgroup in one render pass.
TEST_P(DynamicBufferOffsetTests, UpdateDynamicOffestsMultipleTimesRenderPipeline) {
// Using default pipeline and setting dynamic offsets
dawn::RenderPipeline pipeline = CreateDefaultRenderPipeline();
utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);
dawn::CommandEncoder commandEncoder = device.CreateCommandEncoder();
std::array<uint64_t, 2> offsets = {kMinDynamicBufferOffsetAlignment,
kMinDynamicBufferOffsetAlignment};
std::array<uint64_t, 2> testOffsets = {0, 0};
dawn::RenderPassEncoder renderPassEncoder =
commandEncoder.BeginRenderPass(&renderPass.renderPassInfo);
renderPassEncoder.SetPipeline(pipeline);
renderPassEncoder.SetBindGroup(0, mBindGroup, offsets.size(), offsets.data());
renderPassEncoder.Draw(3, 1, 0, 0);
renderPassEncoder.SetBindGroup(0, mBindGroup, testOffsets.size(), testOffsets.data());
renderPassEncoder.Draw(3, 1, 0, 0);
renderPassEncoder.EndPass();
dawn::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(), mDynamicStorageBuffer, 0, expectedData.size());
}
// Setting multiple dynamic offsets for the same bindgroup in one compute pass.
// TODO(shaobo.yan@intel.com) : enable this test after resolving dawn issue 198.
TEST_P(DynamicBufferOffsetTests, DISABLED_UpdateDynamicOffestsMultipleTimesComputePipeline) {
dawn::ComputePipeline pipeline = CreateDefaultComputePipeline();
std::array<uint64_t, 2> offsets = {kMinDynamicBufferOffsetAlignment,
kMinDynamicBufferOffsetAlignment};
std::array<uint64_t, 2> testOffsets = {0, 0};
dawn::CommandEncoder commandEncoder = device.CreateCommandEncoder();
dawn::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass();
computePassEncoder.SetPipeline(pipeline);
computePassEncoder.SetBindGroup(0, mBindGroup, offsets.size(), offsets.data());
computePassEncoder.Dispatch(1, 1, 1);
computePassEncoder.SetBindGroup(0, mBindGroup, testOffsets.size(), testOffsets.data());
computePassEncoder.Dispatch(1, 1, 1);
computePassEncoder.EndPass();
dawn::CommandBuffer commands = commandEncoder.Finish();
queue.Submit(1, &commands);
std::vector<uint32_t> expectedData = {2, 4};
EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), mDynamicStorageBuffer, 0, expectedData.size());
}
DAWN_INSTANTIATE_TEST(DynamicBufferOffsetTests,
D3D12Backend,
MetalBackend,