| // Copyright 2018 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 "common/Assert.h" |
| #include "common/Constants.h" |
| #include "common/Math.h" |
| #include "tests/DawnTest.h" |
| #include "utils/ComboRenderPipelineDescriptor.h" |
| #include "utils/WGPUHelpers.h" |
| |
| constexpr static uint32_t kRTSize = 8; |
| |
| class BindGroupTests : public DawnTest { |
| protected: |
| wgpu::CommandBuffer CreateSimpleComputeCommandBuffer(const wgpu::ComputePipeline& pipeline, |
| const wgpu::BindGroup& bindGroup) { |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder pass = encoder.BeginComputePass(); |
| pass.SetPipeline(pipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Dispatch(1); |
| pass.EndPass(); |
| return encoder.Finish(); |
| } |
| |
| wgpu::PipelineLayout MakeBasicPipelineLayout( |
| std::vector<wgpu::BindGroupLayout> bindingInitializer) const { |
| wgpu::PipelineLayoutDescriptor descriptor; |
| |
| descriptor.bindGroupLayoutCount = bindingInitializer.size(); |
| descriptor.bindGroupLayouts = bindingInitializer.data(); |
| |
| return device.CreatePipelineLayout(&descriptor); |
| } |
| |
| wgpu::ShaderModule MakeSimpleVSModule() const { |
| return utils::CreateShaderModule(device, R"( |
| [[stage(vertex)]] |
| fn main([[builtin(vertex_index)]] VertexIndex : u32) -> [[builtin(position)]] vec4<f32> { |
| let pos : array<vec2<f32>, 3> = array<vec2<f32>, 3>( |
| vec2<f32>(-1.0, 1.0), |
| vec2<f32>( 1.0, 1.0), |
| vec2<f32>(-1.0, -1.0)); |
| |
| return vec4<f32>(pos[VertexIndex], 0.0, 1.0); |
| })"); |
| } |
| |
| wgpu::ShaderModule MakeFSModule(std::vector<wgpu::BufferBindingType> bindingTypes) const { |
| ASSERT(bindingTypes.size() <= kMaxBindGroups); |
| |
| std::ostringstream fs; |
| for (size_t i = 0; i < bindingTypes.size(); ++i) { |
| fs << "[[block]] struct Buffer" << i << R"( { |
| color : vec4<f32>; |
| };)"; |
| |
| switch (bindingTypes[i]) { |
| case wgpu::BufferBindingType::Uniform: |
| fs << "\n[[group(" << i << "), binding(0)]] var<uniform> buffer" << i |
| << " : Buffer" << i << ";"; |
| break; |
| case wgpu::BufferBindingType::Storage: |
| fs << "\n[[group(" << i << "), binding(0)]] var<storage> buffer" << i |
| << " : [[access(read)]] Buffer" << i << ";"; |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| fs << "\n[[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32>{\n"; |
| fs << "var fragColor : vec4<f32> = vec4<f32>();\n"; |
| for (size_t i = 0; i < bindingTypes.size(); ++i) { |
| fs << "fragColor = fragColor + buffer" << i << ".color;\n"; |
| } |
| fs << "return fragColor;\n"; |
| fs << "}\n"; |
| return utils::CreateShaderModule(device, fs.str().c_str()); |
| } |
| |
| wgpu::RenderPipeline MakeTestPipeline(const utils::BasicRenderPass& renderPass, |
| std::vector<wgpu::BufferBindingType> bindingTypes, |
| std::vector<wgpu::BindGroupLayout> bindGroupLayouts) { |
| wgpu::ShaderModule vsModule = MakeSimpleVSModule(); |
| wgpu::ShaderModule fsModule = MakeFSModule(bindingTypes); |
| |
| wgpu::PipelineLayout pipelineLayout = MakeBasicPipelineLayout(bindGroupLayouts); |
| |
| utils::ComboRenderPipelineDescriptor2 pipelineDescriptor; |
| pipelineDescriptor.layout = pipelineLayout; |
| pipelineDescriptor.vertex.module = vsModule; |
| pipelineDescriptor.cFragment.module = fsModule; |
| pipelineDescriptor.cTargets[0].format = renderPass.colorFormat; |
| |
| wgpu::BlendState blend; |
| blend.color.operation = wgpu::BlendOperation::Add; |
| blend.color.srcFactor = wgpu::BlendFactor::One; |
| blend.color.dstFactor = wgpu::BlendFactor::One; |
| blend.alpha.operation = wgpu::BlendOperation::Add; |
| blend.alpha.srcFactor = wgpu::BlendFactor::One; |
| blend.alpha.dstFactor = wgpu::BlendFactor::One; |
| |
| pipelineDescriptor.cTargets[0].blend = &blend; |
| |
| return device.CreateRenderPipeline2(&pipelineDescriptor); |
| } |
| }; |
| |
| // Test a bindgroup reused in two command buffers in the same call to queue.Submit(). |
| // This test passes by not asserting or crashing. |
| TEST_P(BindGroupTests, ReusedBindGroupSingleSubmit) { |
| wgpu::ShaderModule module = utils::CreateShaderModule(device, R"( |
| [[block]] struct Contents { |
| f : f32; |
| }; |
| [[group(0), binding(0)]] var <uniform> contents: Contents; |
| |
| [[stage(compute)]] fn main() { |
| var f : f32 = contents.f; |
| })"); |
| |
| wgpu::ComputePipelineDescriptor cpDesc; |
| cpDesc.computeStage.module = module; |
| cpDesc.computeStage.entryPoint = "main"; |
| wgpu::ComputePipeline cp = device.CreateComputePipeline(&cpDesc); |
| |
| wgpu::BufferDescriptor bufferDesc; |
| bufferDesc.size = sizeof(float); |
| bufferDesc.usage = wgpu::BufferUsage::CopyDst | wgpu::BufferUsage::Uniform; |
| wgpu::Buffer buffer = device.CreateBuffer(&bufferDesc); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, cp.GetBindGroupLayout(0), {{0, buffer}}); |
| |
| wgpu::CommandBuffer cb[2]; |
| cb[0] = CreateSimpleComputeCommandBuffer(cp, bindGroup); |
| cb[1] = CreateSimpleComputeCommandBuffer(cp, bindGroup); |
| queue.Submit(2, cb); |
| } |
| |
| // Test a bindgroup containing a UBO which is used in both the vertex and fragment shader. |
| // It contains a transformation matrix for the VS and the fragment color for the FS. |
| // These must result in different register offsets in the native APIs. |
| TEST_P(BindGroupTests, ReusedUBO) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| // TODO(crbug.com/tint/369): Use a mat2x2 when Tint translates it correctly. |
| [[block]] struct VertexUniformBuffer { |
| transform : vec4<f32>; |
| }; |
| |
| [[group(0), binding(0)]] var <uniform> vertexUbo : VertexUniformBuffer; |
| |
| [[stage(vertex)]] |
| fn main([[builtin(vertex_index)]] VertexIndex : u32) -> [[builtin(position)]] vec4<f32> { |
| let pos : array<vec2<f32>, 3> = array<vec2<f32>, 3>( |
| vec2<f32>(-1.0, 1.0), |
| vec2<f32>( 1.0, 1.0), |
| vec2<f32>(-1.0, -1.0)); |
| |
| var transform : mat2x2<f32> = mat2x2<f32>(vertexUbo.transform.xy, vertexUbo.transform.zw); |
| return vec4<f32>(transform * pos[VertexIndex], 0.0, 1.0); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| [[block]] struct FragmentUniformBuffer { |
| color : vec4<f32>; |
| }; |
| [[group(0), binding(1)]] var <uniform> fragmentUbo : FragmentUniformBuffer; |
| |
| [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> { |
| return fragmentUbo.color; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor2 textureDescriptor; |
| textureDescriptor.vertex.module = vsModule; |
| textureDescriptor.cFragment.module = fsModule; |
| textureDescriptor.cTargets[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline2(&textureDescriptor); |
| |
| struct Data { |
| float transform[8]; |
| char padding[256 - 8 * sizeof(float)]; |
| float color[4]; |
| }; |
| ASSERT(offsetof(Data, color) == 256); |
| Data data{ |
| {1.f, 0.f, 0.f, 1.0f}, |
| {0}, |
| {0.f, 1.f, 0.f, 1.f}, |
| }; |
| wgpu::Buffer buffer = |
| utils::CreateBufferFromData(device, &data, sizeof(data), wgpu::BufferUsage::Uniform); |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup( |
| device, pipeline.GetBindGroupLayout(0), |
| {{0, buffer, 0, sizeof(Data::transform)}, {1, buffer, 256, sizeof(Data::color)}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(3); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| RGBA8 filled(0, 255, 0, 255); |
| RGBA8 notFilled(0, 0, 0, 0); |
| uint32_t min = 1, max = kRTSize - 3; |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, max, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, max); |
| EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, max, max); |
| } |
| |
| // Test a bindgroup containing a UBO in the vertex shader and a sampler and texture in the fragment |
| // shader. In D3D12 for example, these different types of bindings end up in different namespaces, |
| // but the register offsets used must match between the shader module and descriptor range. |
| TEST_P(BindGroupTests, UBOSamplerAndTexture) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| // TODO(crbug.com/tint/369): Use a mat2x2 when Tint translates it correctly. |
| [[block]] struct VertexUniformBuffer { |
| transform : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var <uniform> vertexUbo : VertexUniformBuffer; |
| |
| [[stage(vertex)]] |
| fn main([[builtin(vertex_index)]] VertexIndex : u32) -> [[builtin(position)]] vec4<f32> { |
| let pos : array<vec2<f32>, 3> = array<vec2<f32>, 3>( |
| vec2<f32>(-1.0, 1.0), |
| vec2<f32>( 1.0, 1.0), |
| vec2<f32>(-1.0, -1.0)); |
| |
| var transform : mat2x2<f32> = mat2x2<f32>(vertexUbo.transform.xy, vertexUbo.transform.zw); |
| return vec4<f32>(transform * pos[VertexIndex], 0.0, 1.0); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(1)]] var samp : sampler; |
| [[group(0), binding(2)]] var tex : texture_2d<f32>; |
| |
| [[stage(fragment)]] |
| fn main([[builtin(position)]] FragCoord : vec4<f32>) -> [[location(0)]] vec4<f32> { |
| return textureSample(tex, samp, FragCoord.xy); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor2 pipelineDescriptor; |
| pipelineDescriptor.vertex.module = vsModule; |
| pipelineDescriptor.cFragment.module = fsModule; |
| pipelineDescriptor.cTargets[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline2(&pipelineDescriptor); |
| |
| constexpr float transform[] = {1.f, 0.f, 0.f, 1.f}; |
| wgpu::Buffer buffer = utils::CreateBufferFromData(device, &transform, sizeof(transform), |
| wgpu::BufferUsage::Uniform); |
| |
| wgpu::SamplerDescriptor samplerDescriptor = {}; |
| samplerDescriptor.minFilter = wgpu::FilterMode::Nearest; |
| samplerDescriptor.magFilter = wgpu::FilterMode::Nearest; |
| samplerDescriptor.mipmapFilter = wgpu::FilterMode::Nearest; |
| samplerDescriptor.addressModeU = wgpu::AddressMode::ClampToEdge; |
| samplerDescriptor.addressModeV = wgpu::AddressMode::ClampToEdge; |
| samplerDescriptor.addressModeW = wgpu::AddressMode::ClampToEdge; |
| |
| wgpu::Sampler sampler = device.CreateSampler(&samplerDescriptor); |
| |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = kRTSize; |
| descriptor.size.height = kRTSize; |
| descriptor.size.depthOrArrayLayers = 1; |
| descriptor.sampleCount = 1; |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| descriptor.mipLevelCount = 1; |
| descriptor.usage = wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::Sampled; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| wgpu::TextureView textureView = texture.CreateView(); |
| |
| uint32_t width = kRTSize, height = kRTSize; |
| uint32_t widthInBytes = width * sizeof(RGBA8); |
| widthInBytes = (widthInBytes + 255) & ~255; |
| uint32_t sizeInBytes = widthInBytes * height; |
| uint32_t size = sizeInBytes / sizeof(RGBA8); |
| std::vector<RGBA8> data = std::vector<RGBA8>(size); |
| for (uint32_t i = 0; i < size; i++) { |
| data[i] = RGBA8(0, 255, 0, 255); |
| } |
| wgpu::Buffer stagingBuffer = |
| utils::CreateBufferFromData(device, data.data(), sizeInBytes, wgpu::BufferUsage::CopySrc); |
| |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, buffer, 0, sizeof(transform)}, {1, sampler}, {2, textureView}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, widthInBytes); |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {width, height, 1}; |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(3); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| RGBA8 filled(0, 255, 0, 255); |
| RGBA8 notFilled(0, 0, 0, 0); |
| uint32_t min = 1, max = kRTSize - 3; |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, max, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, max); |
| EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, max, max); |
| } |
| |
| TEST_P(BindGroupTests, MultipleBindLayouts) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| // TODO(crbug.com/tint/369): Use a mat2x2 when Tint translates it correctly. |
| // TODO(crbug.com/tint/386): Use the same struct. |
| [[block]] struct VertexUniformBuffer1 { |
| transform : vec4<f32>; |
| }; |
| |
| [[block]] struct VertexUniformBuffer2 { |
| transform : vec4<f32>; |
| }; |
| |
| // TODO(crbug.com/tint/386): Use the same struct definition. |
| [[group(0), binding(0)]] var <uniform> vertexUbo1 : VertexUniformBuffer1; |
| [[group(1), binding(0)]] var <uniform> vertexUbo2 : VertexUniformBuffer2; |
| |
| [[stage(vertex)]] |
| fn main([[builtin(vertex_index)]] VertexIndex : u32) -> [[builtin(position)]] vec4<f32> { |
| let pos : array<vec2<f32>, 3> = array<vec2<f32>, 3>( |
| vec2<f32>(-1.0, 1.0), |
| vec2<f32>( 1.0, 1.0), |
| vec2<f32>(-1.0, -1.0)); |
| |
| return vec4<f32>(mat2x2<f32>( |
| vertexUbo1.transform.xy + vertexUbo2.transform.xy, |
| vertexUbo1.transform.zw + vertexUbo2.transform.zw |
| ) * pos[VertexIndex], 0.0, 1.0); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| // TODO(crbug.com/tint/386): Use the same struct |
| [[block]] struct FragmentUniformBuffer1 { |
| color : vec4<f32>; |
| }; |
| |
| [[block]] struct FragmentUniformBuffer2 { |
| color : vec4<f32>; |
| }; |
| |
| // TODO(crbug.com/tint/386): Use the same struct definition. |
| [[group(0), binding(1)]] var <uniform> fragmentUbo1 : FragmentUniformBuffer1; |
| [[group(1), binding(1)]] var <uniform> fragmentUbo2 : FragmentUniformBuffer2; |
| |
| [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> { |
| return fragmentUbo1.color + fragmentUbo2.color; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor2 textureDescriptor; |
| textureDescriptor.vertex.module = vsModule; |
| textureDescriptor.cFragment.module = fsModule; |
| textureDescriptor.cTargets[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline2(&textureDescriptor); |
| |
| struct Data { |
| float transform[4]; |
| char padding[256 - 4 * sizeof(float)]; |
| float color[4]; |
| }; |
| ASSERT(offsetof(Data, color) == 256); |
| |
| std::vector<Data> data; |
| std::vector<wgpu::Buffer> buffers; |
| std::vector<wgpu::BindGroup> bindGroups; |
| |
| data.push_back({{1.0f, 0.0f, 0.0f, 0.0f}, {0}, {0.0f, 1.0f, 0.0f, 1.0f}}); |
| |
| data.push_back({{0.0f, 0.0f, 0.0f, 1.0f}, {0}, {1.0f, 0.0f, 0.0f, 1.0f}}); |
| |
| for (int i = 0; i < 2; i++) { |
| wgpu::Buffer buffer = |
| utils::CreateBufferFromData(device, &data[i], sizeof(Data), wgpu::BufferUsage::Uniform); |
| buffers.push_back(buffer); |
| bindGroups.push_back(utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, buffers[i], 0, sizeof(Data::transform)}, |
| {1, buffers[i], 256, sizeof(Data::color)}})); |
| } |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetBindGroup(0, bindGroups[0]); |
| pass.SetBindGroup(1, bindGroups[1]); |
| pass.Draw(3); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| RGBA8 filled(255, 255, 0, 255); |
| RGBA8 notFilled(0, 0, 0, 0); |
| uint32_t min = 1, max = kRTSize - 3; |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, max, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, max); |
| EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, max, max); |
| } |
| |
| // This test reproduces an out-of-bound bug on D3D12 backends when calling draw command twice with |
| // one pipeline that has 4 bind group sets in one render pass. |
| TEST_P(BindGroupTests, DrawTwiceInSamePipelineWithFourBindGroupSets) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::BindGroupLayout layout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BufferBindingType::Uniform}}); |
| |
| wgpu::RenderPipeline pipeline = |
| MakeTestPipeline(renderPass, |
| {wgpu::BufferBindingType::Uniform, wgpu::BufferBindingType::Uniform, |
| wgpu::BufferBindingType::Uniform, wgpu::BufferBindingType::Uniform}, |
| {layout, layout, layout, layout}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(pipeline); |
| |
| // The color will be added 8 times, so the value should be 0.125. But we choose 0.126 |
| // because of precision issues on some devices (for example NVIDIA bots). |
| std::array<float, 4> color = {0.126, 0, 0, 0.126}; |
| wgpu::Buffer uniformBuffer = |
| utils::CreateBufferFromData(device, &color, sizeof(color), wgpu::BufferUsage::Uniform); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, layout, {{0, uniformBuffer, 0, sizeof(color)}}); |
| |
| pass.SetBindGroup(0, bindGroup); |
| pass.SetBindGroup(1, bindGroup); |
| pass.SetBindGroup(2, bindGroup); |
| pass.SetBindGroup(3, bindGroup); |
| pass.Draw(3); |
| |
| pass.SetPipeline(pipeline); |
| pass.Draw(3); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| RGBA8 filled(255, 0, 0, 255); |
| RGBA8 notFilled(0, 0, 0, 0); |
| uint32_t min = 1, max = kRTSize - 3; |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, max, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, max); |
| EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, max, max); |
| } |
| |
| // Test that bind groups can be set before the pipeline. |
| TEST_P(BindGroupTests, SetBindGroupBeforePipeline) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| // Create a bind group layout which uses a single uniform buffer. |
| wgpu::BindGroupLayout layout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BufferBindingType::Uniform}}); |
| |
| // Create a pipeline that uses the uniform bind group layout. |
| wgpu::RenderPipeline pipeline = |
| MakeTestPipeline(renderPass, {wgpu::BufferBindingType::Uniform}, {layout}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| // Create a bind group with a uniform buffer and fill it with RGBAunorm(1, 0, 0, 1). |
| std::array<float, 4> color = {1, 0, 0, 1}; |
| wgpu::Buffer uniformBuffer = |
| utils::CreateBufferFromData(device, &color, sizeof(color), wgpu::BufferUsage::Uniform); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, layout, {{0, uniformBuffer, 0, sizeof(color)}}); |
| |
| // Set the bind group, then the pipeline, and draw. |
| pass.SetBindGroup(0, bindGroup); |
| pass.SetPipeline(pipeline); |
| pass.Draw(3); |
| |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| // The result should be red. |
| RGBA8 filled(255, 0, 0, 255); |
| RGBA8 notFilled(0, 0, 0, 0); |
| uint32_t min = 1, max = kRTSize - 3; |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, max, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, max); |
| EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, max, max); |
| } |
| |
| // Test that dynamic bind groups can be set before the pipeline. |
| TEST_P(BindGroupTests, SetDynamicBindGroupBeforePipeline) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| // Create a bind group layout which uses a single dynamic uniform buffer. |
| wgpu::BindGroupLayout layout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BufferBindingType::Uniform, true}}); |
| |
| // Create a pipeline that uses the dynamic uniform bind group layout for two bind groups. |
| wgpu::RenderPipeline pipeline = MakeTestPipeline( |
| renderPass, {wgpu::BufferBindingType::Uniform, wgpu::BufferBindingType::Uniform}, |
| {layout, layout}); |
| |
| // Prepare data RGBAunorm(1, 0, 0, 0.5) and RGBAunorm(0, 1, 0, 0.5). They will be added in the |
| // shader. |
| std::array<float, 4> color0 = {1, 0, 0, 0.501}; |
| std::array<float, 4> color1 = {0, 1, 0, 0.501}; |
| |
| size_t color1Offset = Align(sizeof(color0), kMinDynamicBufferOffsetAlignment); |
| |
| std::vector<uint8_t> data(color1Offset + sizeof(color1)); |
| memcpy(data.data(), color0.data(), sizeof(color0)); |
| memcpy(data.data() + color1Offset, color1.data(), sizeof(color1)); |
| |
| // Create a bind group and uniform buffer with the color data. It will be bound at the offset |
| // to each color. |
| wgpu::Buffer uniformBuffer = |
| utils::CreateBufferFromData(device, data.data(), data.size(), wgpu::BufferUsage::Uniform); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, layout, {{0, uniformBuffer, 0, 4 * sizeof(float)}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| // Set the first dynamic bind group. |
| uint32_t dynamicOffset = 0; |
| pass.SetBindGroup(0, bindGroup, 1, &dynamicOffset); |
| |
| // Set the second dynamic bind group. |
| dynamicOffset = color1Offset; |
| pass.SetBindGroup(1, bindGroup, 1, &dynamicOffset); |
| |
| // Set the pipeline and draw. |
| pass.SetPipeline(pipeline); |
| pass.Draw(3); |
| |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| // The result should be RGBAunorm(1, 0, 0, 0.5) + RGBAunorm(0, 1, 0, 0.5) |
| RGBA8 filled(255, 255, 0, 255); |
| RGBA8 notFilled(0, 0, 0, 0); |
| uint32_t min = 1, max = kRTSize - 3; |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, max, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, max); |
| EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, max, max); |
| } |
| |
| // Test that bind groups set for one pipeline are still set when the pipeline changes. |
| TEST_P(BindGroupTests, BindGroupsPersistAfterPipelineChange) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| // Create a bind group layout which uses a single dynamic uniform buffer. |
| wgpu::BindGroupLayout uniformLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BufferBindingType::Uniform, true}}); |
| |
| // Create a bind group layout which uses a single dynamic storage buffer. |
| wgpu::BindGroupLayout storageLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BufferBindingType::Storage, true}}); |
| |
| // Create a pipeline which uses the uniform buffer and storage buffer bind groups. |
| wgpu::RenderPipeline pipeline0 = MakeTestPipeline( |
| renderPass, {wgpu::BufferBindingType::Uniform, wgpu::BufferBindingType::Storage}, |
| {uniformLayout, storageLayout}); |
| |
| // Create a pipeline which uses the uniform buffer bind group twice. |
| wgpu::RenderPipeline pipeline1 = MakeTestPipeline( |
| renderPass, {wgpu::BufferBindingType::Uniform, wgpu::BufferBindingType::Uniform}, |
| {uniformLayout, uniformLayout}); |
| |
| // Prepare data RGBAunorm(1, 0, 0, 0.5) and RGBAunorm(0, 1, 0, 0.5). They will be added in the |
| // shader. |
| std::array<float, 4> color0 = {1, 0, 0, 0.5}; |
| std::array<float, 4> color1 = {0, 1, 0, 0.5}; |
| |
| size_t color1Offset = Align(sizeof(color0), kMinDynamicBufferOffsetAlignment); |
| |
| std::vector<uint8_t> data(color1Offset + sizeof(color1)); |
| memcpy(data.data(), color0.data(), sizeof(color0)); |
| memcpy(data.data() + color1Offset, color1.data(), sizeof(color1)); |
| |
| // Create a bind group and uniform buffer with the color data. It will be bound at the offset |
| // to each color. |
| wgpu::Buffer uniformBuffer = |
| utils::CreateBufferFromData(device, data.data(), data.size(), wgpu::BufferUsage::Uniform); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, uniformLayout, {{0, uniformBuffer, 0, 4 * sizeof(float)}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| // Set the first pipeline (uniform, storage). |
| pass.SetPipeline(pipeline0); |
| |
| // Set the first bind group at a dynamic offset. |
| // This bind group matches the slot in the pipeline layout. |
| uint32_t dynamicOffset = 0; |
| pass.SetBindGroup(0, bindGroup, 1, &dynamicOffset); |
| |
| // Set the second bind group at a dynamic offset. |
| // This bind group does not match the slot in the pipeline layout. |
| dynamicOffset = color1Offset; |
| pass.SetBindGroup(1, bindGroup, 1, &dynamicOffset); |
| |
| // Set the second pipeline (uniform, uniform). |
| // Both bind groups match the pipeline. |
| // They should persist and not need to be bound again. |
| pass.SetPipeline(pipeline1); |
| pass.Draw(3); |
| |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| // The result should be RGBAunorm(1, 0, 0, 0.5) + RGBAunorm(0, 1, 0, 0.5) |
| RGBA8 filled(255, 255, 0, 255); |
| RGBA8 notFilled(0, 0, 0, 0); |
| uint32_t min = 1, max = kRTSize - 3; |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, max, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, max); |
| EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, max, max); |
| } |
| |
| // Do a successful draw. Then, change the pipeline and one bind group. |
| // Draw to check that the all bind groups are set. |
| TEST_P(BindGroupTests, DrawThenChangePipelineAndBindGroup) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| // Create a bind group layout which uses a single dynamic uniform buffer. |
| wgpu::BindGroupLayout uniformLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BufferBindingType::Uniform, true}}); |
| |
| // Create a bind group layout which uses a single dynamic storage buffer. |
| wgpu::BindGroupLayout storageLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BufferBindingType::Storage, true}}); |
| |
| // Create a pipeline with pipeline layout (uniform, uniform, storage). |
| wgpu::RenderPipeline pipeline0 = |
| MakeTestPipeline(renderPass, |
| {wgpu::BufferBindingType::Uniform, wgpu::BufferBindingType::Uniform, |
| wgpu::BufferBindingType::Storage}, |
| {uniformLayout, uniformLayout, storageLayout}); |
| |
| // Create a pipeline with pipeline layout (uniform, storage, storage). |
| wgpu::RenderPipeline pipeline1 = |
| MakeTestPipeline(renderPass, |
| {wgpu::BufferBindingType::Uniform, wgpu::BufferBindingType::Storage, |
| wgpu::BufferBindingType::Storage}, |
| {uniformLayout, storageLayout, storageLayout}); |
| |
| // Prepare color data. |
| // The first draw will use { color0, color1, color2 }. |
| // The second draw will use { color0, color3, color2 }. |
| // The pipeline uses additive color and alpha blending so the result of two draws should be |
| // { 2 * color0 + color1 + 2 * color2 + color3} = RGBAunorm(1, 1, 1, 1) |
| std::array<float, 4> color0 = {0.501, 0, 0, 0}; |
| std::array<float, 4> color1 = {0, 1, 0, 0}; |
| std::array<float, 4> color2 = {0, 0, 0, 0.501}; |
| std::array<float, 4> color3 = {0, 0, 1, 0}; |
| |
| size_t color1Offset = Align(sizeof(color0), kMinDynamicBufferOffsetAlignment); |
| size_t color2Offset = Align(color1Offset + sizeof(color1), kMinDynamicBufferOffsetAlignment); |
| size_t color3Offset = Align(color2Offset + sizeof(color2), kMinDynamicBufferOffsetAlignment); |
| |
| std::vector<uint8_t> data(color3Offset + sizeof(color3), 0); |
| memcpy(data.data(), color0.data(), sizeof(color0)); |
| memcpy(data.data() + color1Offset, color1.data(), sizeof(color1)); |
| memcpy(data.data() + color2Offset, color2.data(), sizeof(color2)); |
| memcpy(data.data() + color3Offset, color3.data(), sizeof(color3)); |
| |
| // Create a uniform and storage buffer bind groups to bind the color data. |
| wgpu::Buffer uniformBuffer = |
| utils::CreateBufferFromData(device, data.data(), data.size(), wgpu::BufferUsage::Uniform); |
| |
| wgpu::Buffer storageBuffer = |
| utils::CreateBufferFromData(device, data.data(), data.size(), wgpu::BufferUsage::Storage); |
| |
| wgpu::BindGroup uniformBindGroup = |
| utils::MakeBindGroup(device, uniformLayout, {{0, uniformBuffer, 0, 4 * sizeof(float)}}); |
| wgpu::BindGroup storageBindGroup = |
| utils::MakeBindGroup(device, storageLayout, {{0, storageBuffer, 0, 4 * sizeof(float)}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| // Set the pipeline to (uniform, uniform, storage) |
| pass.SetPipeline(pipeline0); |
| |
| // Set the first bind group to color0 in the dynamic uniform buffer. |
| uint32_t dynamicOffset = 0; |
| pass.SetBindGroup(0, uniformBindGroup, 1, &dynamicOffset); |
| |
| // Set the first bind group to color1 in the dynamic uniform buffer. |
| dynamicOffset = color1Offset; |
| pass.SetBindGroup(1, uniformBindGroup, 1, &dynamicOffset); |
| |
| // Set the first bind group to color2 in the dynamic storage buffer. |
| dynamicOffset = color2Offset; |
| pass.SetBindGroup(2, storageBindGroup, 1, &dynamicOffset); |
| |
| pass.Draw(3); |
| |
| // Set the pipeline to (uniform, storage, storage) |
| // - The first bind group should persist (inherited on some backends) |
| // - The second bind group needs to be set again to pass validation. |
| // It changed from uniform to storage. |
| // - The third bind group should persist. It should be set again by the backend internally. |
| pass.SetPipeline(pipeline1); |
| |
| // Set the second bind group to color3 in the dynamic storage buffer. |
| dynamicOffset = color3Offset; |
| pass.SetBindGroup(1, storageBindGroup, 1, &dynamicOffset); |
| |
| pass.Draw(3); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| RGBA8 filled(255, 255, 255, 255); |
| RGBA8 notFilled(0, 0, 0, 0); |
| uint32_t min = 1, max = kRTSize - 3; |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, max, min); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, min, max); |
| EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, max, max); |
| } |
| |
| // Regression test for crbug.com/dawn/408 where dynamic offsets were applied in the wrong order. |
| // Dynamic offsets should be applied in increasing order of binding number. |
| TEST_P(BindGroupTests, DynamicOffsetOrder) { |
| // We will put the following values and the respective offsets into a buffer. |
| // The test will ensure that the correct dynamic offset is applied to each buffer by reading the |
| // value from an offset binding. |
| std::array<uint32_t, 3> offsets = {3 * kMinDynamicBufferOffsetAlignment, |
| 1 * kMinDynamicBufferOffsetAlignment, |
| 2 * kMinDynamicBufferOffsetAlignment}; |
| std::array<uint32_t, 3> values = {21, 67, 32}; |
| |
| // Create three buffers large enough to by offset by the largest offset. |
| wgpu::BufferDescriptor bufferDescriptor; |
| bufferDescriptor.size = 3 * kMinDynamicBufferOffsetAlignment + sizeof(uint32_t); |
| bufferDescriptor.usage = wgpu::BufferUsage::Storage | wgpu::BufferUsage::CopyDst; |
| |
| wgpu::Buffer buffer0 = device.CreateBuffer(&bufferDescriptor); |
| wgpu::Buffer buffer3 = device.CreateBuffer(&bufferDescriptor); |
| |
| // This test uses both storage and uniform buffers to ensure buffer bindings are sorted first by |
| // binding number before type. |
| bufferDescriptor.usage = wgpu::BufferUsage::Uniform | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer2 = device.CreateBuffer(&bufferDescriptor); |
| |
| // Populate the values |
| queue.WriteBuffer(buffer0, offsets[0], &values[0], sizeof(uint32_t)); |
| queue.WriteBuffer(buffer2, offsets[1], &values[1], sizeof(uint32_t)); |
| queue.WriteBuffer(buffer3, offsets[2], &values[2], sizeof(uint32_t)); |
| |
| wgpu::Buffer outputBuffer = utils::CreateBufferFromData( |
| device, wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::Storage, {0, 0, 0}); |
| |
| // Create the bind group and bind group layout. |
| // Note: The order of the binding numbers are intentionally different and not in increasing |
| // order. |
| wgpu::BindGroupLayout bgl = utils::MakeBindGroupLayout( |
| device, { |
| {3, wgpu::ShaderStage::Compute, wgpu::BufferBindingType::ReadOnlyStorage, true}, |
| {0, wgpu::ShaderStage::Compute, wgpu::BufferBindingType::ReadOnlyStorage, true}, |
| {2, wgpu::ShaderStage::Compute, wgpu::BufferBindingType::Uniform, true}, |
| {4, wgpu::ShaderStage::Compute, wgpu::BufferBindingType::Storage}, |
| }); |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup(device, bgl, |
| { |
| {0, buffer0, 0, sizeof(uint32_t)}, |
| {3, buffer3, 0, sizeof(uint32_t)}, |
| {2, buffer2, 0, sizeof(uint32_t)}, |
| {4, outputBuffer, 0, 3 * sizeof(uint32_t)}, |
| }); |
| |
| wgpu::ComputePipelineDescriptor pipelineDescriptor; |
| pipelineDescriptor.computeStage.module = utils::CreateShaderModule(device, R"( |
| // TODO(crbug.com/tint/386): Use the same struct |
| [[block]] struct Buffer0 { |
| value : u32; |
| }; |
| |
| [[block]] struct Buffer2 { |
| value : u32; |
| }; |
| |
| [[block]] struct Buffer3 { |
| value : u32; |
| }; |
| |
| [[block]] struct OutputBuffer { |
| value : vec3<u32>; |
| }; |
| |
| [[group(0), binding(2)]] var<uniform> buffer2 : Buffer2; |
| [[group(0), binding(3)]] var<storage> buffer3 : [[access(read)]] Buffer3; |
| [[group(0), binding(0)]] var<storage> buffer0 : [[access(read)]] Buffer0; |
| [[group(0), binding(4)]] var<storage> outputBuffer : [[access(read_write)]] OutputBuffer; |
| |
| [[stage(compute)]] fn main() { |
| outputBuffer.value = vec3<u32>(buffer0.value, buffer2.value, buffer3.value); |
| })"); |
| pipelineDescriptor.computeStage.entryPoint = "main"; |
| pipelineDescriptor.layout = utils::MakeBasicPipelineLayout(device, &bgl); |
| wgpu::ComputePipeline pipeline = device.CreateComputePipeline(&pipelineDescriptor); |
| |
| wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder computePassEncoder = commandEncoder.BeginComputePass(); |
| computePassEncoder.SetPipeline(pipeline); |
| computePassEncoder.SetBindGroup(0, bindGroup, offsets.size(), offsets.data()); |
| computePassEncoder.Dispatch(1); |
| computePassEncoder.EndPass(); |
| |
| wgpu::CommandBuffer commands = commandEncoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_BUFFER_U32_RANGE_EQ(values.data(), outputBuffer, 0, values.size()); |
| } |
| |
| // Test that visibility of bindings in BindGroupLayout can be none |
| // This test passes by not asserting or crashing. |
| TEST_P(BindGroupTests, BindGroupLayoutVisibilityCanBeNone) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::BindGroupLayoutEntry entry; |
| entry.binding = 0; |
| entry.visibility = wgpu::ShaderStage::None; |
| entry.buffer.type = wgpu::BufferBindingType::Uniform; |
| wgpu::BindGroupLayoutDescriptor descriptor; |
| descriptor.entryCount = 1; |
| descriptor.entries = &entry; |
| wgpu::BindGroupLayout layout = device.CreateBindGroupLayout(&descriptor); |
| |
| wgpu::RenderPipeline pipeline = MakeTestPipeline(renderPass, {}, {layout}); |
| |
| std::array<float, 4> color = {1, 0, 0, 1}; |
| wgpu::Buffer uniformBuffer = |
| utils::CreateBufferFromData(device, &color, sizeof(color), wgpu::BufferUsage::Uniform); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, layout, {{0, uniformBuffer, 0, sizeof(color)}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(3); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| // Regression test for crbug.com/dawn/448 that dynamic buffer bindings can have None visibility. |
| TEST_P(BindGroupTests, DynamicBindingNoneVisibility) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::BindGroupLayoutEntry entry; |
| entry.binding = 0; |
| entry.visibility = wgpu::ShaderStage::None; |
| entry.buffer.type = wgpu::BufferBindingType::Uniform; |
| entry.buffer.hasDynamicOffset = true; |
| wgpu::BindGroupLayoutDescriptor descriptor; |
| descriptor.entryCount = 1; |
| descriptor.entries = &entry; |
| wgpu::BindGroupLayout layout = device.CreateBindGroupLayout(&descriptor); |
| |
| wgpu::RenderPipeline pipeline = MakeTestPipeline(renderPass, {}, {layout}); |
| |
| std::array<float, 4> color = {1, 0, 0, 1}; |
| wgpu::Buffer uniformBuffer = |
| utils::CreateBufferFromData(device, &color, sizeof(color), wgpu::BufferUsage::Uniform); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, layout, {{0, uniformBuffer, 0, sizeof(color)}}); |
| |
| uint32_t dynamicOffset = 0; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetBindGroup(0, bindGroup, 1, &dynamicOffset); |
| pass.Draw(3); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| // Test that bind group bindings may have unbounded and arbitrary binding numbers |
| TEST_P(BindGroupTests, ArbitraryBindingNumbers) { |
| // TODO(crbug.com/dawn/736): Test output is wrong with D3D12 + WARP. |
| DAWN_SKIP_TEST_IF(IsD3D12() && IsWARP()); |
| |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| [[stage(vertex)]] |
| fn main([[builtin(vertex_index)]] VertexIndex : u32) -> [[builtin(position)]] vec4<f32> { |
| let pos : array<vec2<f32>, 3> = array<vec2<f32>, 3>( |
| vec2<f32>(-1.0, 1.0), |
| vec2<f32>( 1.0, 1.0), |
| vec2<f32>(-1.0, -1.0)); |
| |
| return vec4<f32>(pos[VertexIndex], 0.0, 1.0); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| // TODO(crbug.com/tint/386): Use the same struct |
| [[block]] struct Ubo1 { |
| color : vec4<f32>; |
| }; |
| |
| [[block]] struct Ubo2 { |
| color : vec4<f32>; |
| }; |
| |
| [[block]] struct Ubo3 { |
| color : vec4<f32>; |
| }; |
| |
| // TODO(crbug.com/tint/386): Use the same struct definition. |
| [[group(0), binding(953)]] var <uniform> ubo1 : Ubo1; |
| [[group(0), binding(47)]] var <uniform> ubo2 : Ubo2; |
| [[group(0), binding(111)]] var <uniform> ubo3 : Ubo3; |
| |
| [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> { |
| return ubo1.color + 2.0 * ubo2.color + 4.0 * ubo3.color; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor2 pipelineDescriptor; |
| pipelineDescriptor.vertex.module = vsModule; |
| pipelineDescriptor.cFragment.module = fsModule; |
| pipelineDescriptor.cTargets[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline2(&pipelineDescriptor); |
| |
| wgpu::Buffer black = |
| utils::CreateBufferFromData(device, wgpu::BufferUsage::Uniform, {0.f, 0.f, 0.f, 0.f}); |
| wgpu::Buffer red = |
| utils::CreateBufferFromData(device, wgpu::BufferUsage::Uniform, {0.251f, 0.0f, 0.0f, 0.0f}); |
| wgpu::Buffer green = |
| utils::CreateBufferFromData(device, wgpu::BufferUsage::Uniform, {0.0f, 0.251f, 0.0f, 0.0f}); |
| wgpu::Buffer blue = |
| utils::CreateBufferFromData(device, wgpu::BufferUsage::Uniform, {0.0f, 0.0f, 0.251f, 0.0f}); |
| |
| auto DoTest = [&](wgpu::Buffer color1, wgpu::Buffer color2, wgpu::Buffer color3, RGBA8 filled) { |
| auto DoTestInner = [&](wgpu::BindGroup bindGroup) { |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(3); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, 1, 1); |
| }; |
| |
| utils::BindingInitializationHelper bindings[] = { |
| {953, color1, 0, 4 * sizeof(float)}, // |
| {47, color2, 0, 4 * sizeof(float)}, // |
| {111, color3, 0, 4 * sizeof(float)}, // |
| }; |
| |
| // Should work regardless of what order the bindings are specified in. |
| DoTestInner(utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {bindings[0], bindings[1], bindings[2]})); |
| DoTestInner(utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {bindings[1], bindings[0], bindings[2]})); |
| DoTestInner(utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {bindings[2], bindings[0], bindings[1]})); |
| }; |
| |
| // first color is normal, second is 2x, third is 3x. |
| DoTest(black, black, black, RGBA8(0, 0, 0, 0)); |
| |
| // Check the first binding maps to the first slot. We know this because the colors are |
| // multiplied 1x. |
| DoTest(red, black, black, RGBA8(64, 0, 0, 0)); |
| DoTest(green, black, black, RGBA8(0, 64, 0, 0)); |
| DoTest(blue, black, black, RGBA8(0, 0, 64, 0)); |
| |
| // Use multiple bindings and check the second color maps to the second slot. |
| // We know this because the second slot is multiplied 2x. |
| DoTest(green, blue, black, RGBA8(0, 64, 128, 0)); |
| DoTest(blue, green, black, RGBA8(0, 128, 64, 0)); |
| DoTest(red, green, black, RGBA8(64, 128, 0, 0)); |
| |
| // Use multiple bindings and check the third color maps to the third slot. |
| // We know this because the third slot is multiplied 4x. |
| DoTest(black, blue, red, RGBA8(255, 0, 128, 0)); |
| DoTest(blue, black, green, RGBA8(0, 255, 64, 0)); |
| DoTest(red, black, blue, RGBA8(64, 0, 255, 0)); |
| } |
| |
| // This is a regression test for crbug.com/dawn/355 which tests that destruction of a bind group |
| // that holds the last reference to its bind group layout does not result in a use-after-free. In |
| // the bug, the destructor of BindGroupBase, when destroying member mLayout, |
| // Ref<BindGroupLayoutBase> assigns to Ref::mPointee, AFTER calling Release(). After the BGL is |
| // destroyed, the storage for |mPointee| has been freed. |
| TEST_P(BindGroupTests, LastReferenceToBindGroupLayout) { |
| wgpu::BufferDescriptor bufferDesc; |
| bufferDesc.size = sizeof(float); |
| bufferDesc.usage = wgpu::BufferUsage::Uniform; |
| wgpu::Buffer buffer = device.CreateBuffer(&bufferDesc); |
| |
| wgpu::BindGroup bg; |
| { |
| wgpu::BindGroupLayout bgl = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Vertex, wgpu::BufferBindingType::Uniform}}); |
| bg = utils::MakeBindGroup(device, bgl, {{0, buffer, 0, sizeof(float)}}); |
| } |
| } |
| |
| // Test that bind groups with an empty bind group layout may be created and used. |
| TEST_P(BindGroupTests, EmptyLayout) { |
| wgpu::BindGroupLayout bgl = utils::MakeBindGroupLayout(device, {}); |
| wgpu::BindGroup bg = utils::MakeBindGroup(device, bgl, {}); |
| |
| wgpu::ComputePipelineDescriptor pipelineDesc; |
| pipelineDesc.layout = utils::MakeBasicPipelineLayout(device, &bgl); |
| pipelineDesc.computeStage.entryPoint = "main"; |
| pipelineDesc.computeStage.module = utils::CreateShaderModule(device, R"( |
| [[stage(compute)]] fn main() { |
| })"); |
| |
| wgpu::ComputePipeline pipeline = device.CreateComputePipeline(&pipelineDesc); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder pass = encoder.BeginComputePass(); |
| pass.SetPipeline(pipeline); |
| pass.SetBindGroup(0, bg); |
| pass.Dispatch(1); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| // Test creating a BGL with a storage buffer binding but declared readonly in the shader works. |
| // This is a regression test for crbug.com/dawn/410 which tests that it can successfully compile and |
| // execute the shader. |
| TEST_P(BindGroupTests, ReadonlyStorage) { |
| utils::ComboRenderPipelineDescriptor2 pipelineDescriptor; |
| |
| pipelineDescriptor.vertex.module = utils::CreateShaderModule(device, R"( |
| [[stage(vertex)]] |
| fn main([[builtin(vertex_index)]] VertexIndex : u32) -> [[builtin(position)]] vec4<f32> { |
| let pos : array<vec2<f32>, 3> = array<vec2<f32>, 3>( |
| vec2<f32>(-1.0, 1.0), |
| vec2<f32>( 1.0, 1.0), |
| vec2<f32>(-1.0, -1.0)); |
| |
| return vec4<f32>(pos[VertexIndex], 0.0, 1.0); |
| })"); |
| |
| pipelineDescriptor.cFragment.module = utils::CreateShaderModule(device, R"( |
| [[block]] struct Buffer0 { |
| color : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<storage> buffer0 : [[access(read)]] Buffer0; |
| |
| [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> { |
| return buffer0.color; |
| })"); |
| |
| constexpr uint32_t kRTSize = 4; |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| pipelineDescriptor.cTargets[0].format = renderPass.colorFormat; |
| |
| wgpu::BindGroupLayout bgl = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BufferBindingType::Storage}}); |
| |
| pipelineDescriptor.layout = utils::MakeBasicPipelineLayout(device, &bgl); |
| |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline2(&pipelineDescriptor); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| std::array<float, 4> greenColor = {0, 1, 0, 1}; |
| wgpu::Buffer storageBuffer = utils::CreateBufferFromData( |
| device, &greenColor, sizeof(greenColor), wgpu::BufferUsage::Storage); |
| |
| pass.SetPipeline(renderPipeline); |
| pass.SetBindGroup(0, utils::MakeBindGroup(device, bgl, {{0, storageBuffer}})); |
| pass.Draw(3); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 0, 0); |
| } |
| |
| // Test that creating a large bind group, with each binding type at the max count, works and can be |
| // used correctly. The test loads a different value from each binding, and writes 1 to a storage |
| // buffer if all values are correct. |
| TEST_P(BindGroupTests, ReallyLargeBindGroup) { |
| DAWN_SKIP_TEST_IF(IsOpenGLES()); |
| std::ostringstream interface; |
| std::ostringstream body; |
| uint32_t binding = 0; |
| uint32_t expectedValue = 42; |
| |
| wgpu::CommandEncoder commandEncoder = device.CreateCommandEncoder(); |
| |
| auto CreateTextureWithRedData = [&](wgpu::TextureFormat format, uint32_t value, |
| wgpu::TextureUsage usage) { |
| wgpu::TextureDescriptor textureDesc = {}; |
| textureDesc.usage = wgpu::TextureUsage::CopyDst | usage; |
| textureDesc.size = {1, 1, 1}; |
| textureDesc.format = format; |
| wgpu::Texture texture = device.CreateTexture(&textureDesc); |
| |
| if (format == wgpu::TextureFormat::R8Unorm) { |
| ASSERT(expectedValue < 255u); |
| } |
| wgpu::Buffer textureData = |
| utils::CreateBufferFromData(device, wgpu::BufferUsage::CopySrc, {value}); |
| |
| wgpu::ImageCopyBuffer imageCopyBuffer = {}; |
| imageCopyBuffer.buffer = textureData; |
| imageCopyBuffer.layout.bytesPerRow = 256; |
| |
| wgpu::ImageCopyTexture imageCopyTexture = {}; |
| imageCopyTexture.texture = texture; |
| |
| wgpu::Extent3D copySize = {1, 1, 1}; |
| |
| commandEncoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| return texture; |
| }; |
| |
| std::vector<wgpu::BindGroupEntry> bgEntries; |
| static_assert(kMaxSampledTexturesPerShaderStage == kMaxSamplersPerShaderStage, |
| "Please update this test"); |
| for (uint32_t i = 0; i < kMaxSampledTexturesPerShaderStage; ++i) { |
| wgpu::Texture texture = CreateTextureWithRedData( |
| wgpu::TextureFormat::R8Unorm, expectedValue, wgpu::TextureUsage::Sampled); |
| bgEntries.push_back({binding, nullptr, 0, 0, nullptr, texture.CreateView()}); |
| |
| interface << "[[group(0), binding(" << binding++ << ")]] " |
| << "var tex" << i << " : texture_2d<f32>;\n"; |
| |
| bgEntries.push_back({binding, nullptr, 0, 0, device.CreateSampler(), nullptr}); |
| |
| interface << "[[group(0), binding(" << binding++ << ")]]" |
| << "var samp" << i << " : sampler;\n"; |
| |
| body << "if (abs(textureSampleLevel(tex" << i << ", samp" << i |
| << ", vec2<f32>(0.5, 0.5), 0.0).r - " << expectedValue++ |
| << ".0 / 255.0) > 0.0001) {\n"; |
| body << " return;\n"; |
| body << "}\n"; |
| } |
| for (uint32_t i = 0; i < kMaxStorageTexturesPerShaderStage; ++i) { |
| wgpu::Texture texture = CreateTextureWithRedData( |
| wgpu::TextureFormat::R32Uint, expectedValue, wgpu::TextureUsage::Storage); |
| bgEntries.push_back({binding, nullptr, 0, 0, nullptr, texture.CreateView()}); |
| |
| interface << "[[group(0), binding(" << binding++ << ")]] " |
| << "var image" << i << " : [[access(read)]] texture_storage_2d<r32uint>;\n"; |
| |
| body << "if (textureLoad(image" << i << ", vec2<i32>(0, 0)).r != " << expectedValue++ |
| << "u) {\n"; |
| body << " return;\n"; |
| body << "}\n"; |
| } |
| |
| for (uint32_t i = 0; i < kMaxUniformBuffersPerShaderStage; ++i) { |
| wgpu::Buffer buffer = utils::CreateBufferFromData<uint32_t>( |
| device, wgpu::BufferUsage::Uniform, {expectedValue, 0, 0, 0}); |
| bgEntries.push_back({binding, buffer, 0, 4 * sizeof(uint32_t), nullptr, nullptr}); |
| |
| interface << "[[block]] struct UniformBuffer" << i << R"({ |
| value : u32; |
| }; |
| )"; |
| interface << "[[group(0), binding(" << binding++ << ")]] " |
| << "var<uniform> ubuf" << i << " : UniformBuffer" << i << ";\n"; |
| |
| body << "if (ubuf" << i << ".value != " << expectedValue++ << "u) {\n"; |
| body << " return;\n"; |
| body << "}\n"; |
| } |
| // Save one storage buffer for writing the result |
| for (uint32_t i = 0; i < kMaxStorageBuffersPerShaderStage - 1; ++i) { |
| wgpu::Buffer buffer = utils::CreateBufferFromData<uint32_t>( |
| device, wgpu::BufferUsage::Storage, {expectedValue}); |
| bgEntries.push_back({binding, buffer, 0, sizeof(uint32_t), nullptr, nullptr}); |
| |
| interface << "[[block]] struct ReadOnlyStorageBuffer" << i << R"({ |
| value : u32; |
| }; |
| )"; |
| interface << "[[group(0), binding(" << binding++ << ")]] " |
| << "var<storage> sbuf" << i << " : [[access(read)]] ReadOnlyStorageBuffer" << i |
| << ";\n"; |
| |
| body << "if (sbuf" << i << ".value != " << expectedValue++ << "u) {\n"; |
| body << " return;\n"; |
| body << "}\n"; |
| } |
| |
| wgpu::Buffer result = utils::CreateBufferFromData<uint32_t>( |
| device, wgpu::BufferUsage::Storage | wgpu::BufferUsage::CopySrc, {0}); |
| bgEntries.push_back({binding, result, 0, sizeof(uint32_t), nullptr, nullptr}); |
| |
| interface << R"([[block]] struct ReadWriteStorageBuffer{ |
| value : u32; |
| }; |
| )"; |
| interface << "[[group(0), binding(" << binding++ << ")]] " |
| << "var<storage> result : [[access(read_write)]] ReadWriteStorageBuffer;\n"; |
| |
| body << "result.value = 1u;\n"; |
| |
| std::string shader = interface.str() + "[[stage(compute)]] fn main() {\n" + body.str() + "}\n"; |
| wgpu::ComputePipelineDescriptor cpDesc; |
| cpDesc.computeStage.module = utils::CreateShaderModule(device, shader.c_str()); |
| cpDesc.computeStage.entryPoint = "main"; |
| wgpu::ComputePipeline cp = device.CreateComputePipeline(&cpDesc); |
| |
| wgpu::BindGroupDescriptor bgDesc = {}; |
| bgDesc.layout = cp.GetBindGroupLayout(0); |
| bgDesc.entryCount = static_cast<uint32_t>(bgEntries.size()); |
| bgDesc.entries = bgEntries.data(); |
| |
| wgpu::BindGroup bg = device.CreateBindGroup(&bgDesc); |
| |
| wgpu::ComputePassEncoder pass = commandEncoder.BeginComputePass(); |
| pass.SetPipeline(cp); |
| pass.SetBindGroup(0, bg); |
| pass.Dispatch(1, 1, 1); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = commandEncoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_BUFFER_U32_EQ(1, result, 0); |
| } |
| |
| // This is a regression test for crbug.com/dawn/319 where creating a bind group with a |
| // destroyed resource would crash the backend. |
| TEST_P(BindGroupTests, CreateWithDestroyedResource) { |
| auto doBufferTest = [&](wgpu::BufferBindingType bindingType, wgpu::BufferUsage usage) { |
| wgpu::BindGroupLayout bgl = |
| utils::MakeBindGroupLayout(device, {{0, wgpu::ShaderStage::Fragment, bindingType}}); |
| |
| wgpu::BufferDescriptor bufferDesc; |
| bufferDesc.size = sizeof(float); |
| bufferDesc.usage = usage; |
| wgpu::Buffer buffer = device.CreateBuffer(&bufferDesc); |
| buffer.Destroy(); |
| |
| wgpu::BindGroup bg = utils::MakeBindGroup(device, bgl, {{0, buffer, 0, sizeof(float)}}); |
| }; |
| |
| // Test various usages and binding types since they take different backend code paths. |
| doBufferTest(wgpu::BufferBindingType::Uniform, wgpu::BufferUsage::Uniform); |
| doBufferTest(wgpu::BufferBindingType::Storage, wgpu::BufferUsage::Storage); |
| doBufferTest(wgpu::BufferBindingType::ReadOnlyStorage, wgpu::BufferUsage::Storage); |
| |
| // Test a sampled texture. |
| { |
| wgpu::BindGroupLayout bgl = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::TextureSampleType::Float}}); |
| |
| wgpu::TextureDescriptor textureDesc; |
| textureDesc.usage = wgpu::TextureUsage::Sampled; |
| textureDesc.size = {1, 1, 1}; |
| textureDesc.format = wgpu::TextureFormat::BGRA8Unorm; |
| |
| wgpu::Texture texture = device.CreateTexture(&textureDesc); |
| wgpu::TextureView textureView = texture.CreateView(); |
| |
| texture.Destroy(); |
| wgpu::BindGroup bg = utils::MakeBindGroup(device, bgl, {{0, textureView}}); |
| } |
| |
| // Test a storage texture. |
| { |
| wgpu::BindGroupLayout bgl = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::StorageTextureAccess::ReadOnly, |
| wgpu::TextureFormat::R32Uint}}); |
| |
| wgpu::TextureDescriptor textureDesc; |
| textureDesc.usage = wgpu::TextureUsage::Storage; |
| textureDesc.size = {1, 1, 1}; |
| textureDesc.format = wgpu::TextureFormat::R32Uint; |
| |
| wgpu::Texture texture = device.CreateTexture(&textureDesc); |
| wgpu::TextureView textureView = texture.CreateView(); |
| |
| texture.Destroy(); |
| wgpu::BindGroup bg = utils::MakeBindGroup(device, bgl, {{0, textureView}}); |
| } |
| } |
| |
| DAWN_INSTANTIATE_TEST(BindGroupTests, |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
