| // 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, utils::SingleShaderStage::Vertex, R"( |
| #version 450 |
| void main() { |
| const vec2 pos[3] = vec2[3](vec2(-1.f, 1.f), vec2(1.f, 1.f), vec2(-1.f, -1.f)); |
| gl_Position = vec4(pos[gl_VertexIndex], 0.f, 1.f); |
| })"); |
| } |
| |
| wgpu::ShaderModule MakeFSModule(std::vector<wgpu::BindingType> bindingTypes) const { |
| ASSERT(bindingTypes.size() <= kMaxBindGroups); |
| |
| std::ostringstream fs; |
| fs << R"( |
| #version 450 |
| layout(location = 0) out vec4 fragColor; |
| )"; |
| |
| for (size_t i = 0; i < bindingTypes.size(); ++i) { |
| switch (bindingTypes[i]) { |
| case wgpu::BindingType::UniformBuffer: |
| fs << "layout (std140, set = " << i << ", binding = 0) uniform UniformBuffer" << i |
| << R"( { |
| vec4 color; |
| } buffer)" |
| << i << ";\n"; |
| break; |
| case wgpu::BindingType::StorageBuffer: |
| fs << "layout (std430, set = " << i << ", binding = 0) buffer StorageBuffer" << i |
| << R"( { |
| vec4 color; |
| } buffer)" |
| << i << ";\n"; |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| fs << R"( |
| void main() { |
| fragColor = vec4(0.0); |
| )"; |
| for (size_t i = 0; i < bindingTypes.size(); ++i) { |
| fs << "fragColor += buffer" << i << ".color;\n"; |
| } |
| fs << "}\n"; |
| |
| return utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, |
| fs.str().c_str()); |
| } |
| |
| wgpu::RenderPipeline MakeTestPipeline(const utils::BasicRenderPass& renderPass, |
| std::vector<wgpu::BindingType> bindingTypes, |
| std::vector<wgpu::BindGroupLayout> bindGroupLayouts) { |
| wgpu::ShaderModule vsModule = MakeSimpleVSModule(); |
| wgpu::ShaderModule fsModule = MakeFSModule(bindingTypes); |
| |
| wgpu::PipelineLayout pipelineLayout = MakeBasicPipelineLayout(bindGroupLayouts); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor(device); |
| pipelineDescriptor.layout = pipelineLayout; |
| pipelineDescriptor.vertexStage.module = vsModule; |
| pipelineDescriptor.cFragmentStage.module = fsModule; |
| pipelineDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| pipelineDescriptor.cColorStates[0].colorBlend.operation = wgpu::BlendOperation::Add; |
| pipelineDescriptor.cColorStates[0].colorBlend.srcFactor = wgpu::BlendFactor::One; |
| pipelineDescriptor.cColorStates[0].colorBlend.dstFactor = wgpu::BlendFactor::One; |
| pipelineDescriptor.cColorStates[0].alphaBlend.operation = wgpu::BlendOperation::Add; |
| pipelineDescriptor.cColorStates[0].alphaBlend.srcFactor = wgpu::BlendFactor::One; |
| pipelineDescriptor.cColorStates[0].alphaBlend.dstFactor = wgpu::BlendFactor::One; |
| |
| return device.CreateRenderPipeline(&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) { |
| const char* shader = R"( |
| #version 450 |
| layout(std140, set = 0, binding = 0) uniform Contents { |
| float f; |
| } contents; |
| void main() { |
| } |
| )"; |
| |
| wgpu::ShaderModule module = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Compute, shader); |
| |
| 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, utils::SingleShaderStage::Vertex, R"( |
| #version 450 |
| layout (set = 0, binding = 0) uniform vertexUniformBuffer { |
| mat2 transform; |
| }; |
| void main() { |
| const vec2 pos[3] = vec2[3](vec2(-1.f, 1.f), vec2(1.f, 1.f), vec2(-1.f, -1.f)); |
| gl_Position = vec4(transform * pos[gl_VertexIndex], 0.f, 1.f); |
| })"); |
| |
| wgpu::ShaderModule fsModule = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"( |
| #version 450 |
| layout (set = 0, binding = 1) uniform fragmentUniformBuffer { |
| vec4 color; |
| }; |
| layout(location = 0) out vec4 fragColor; |
| void main() { |
| fragColor = color; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor textureDescriptor(device); |
| textureDescriptor.vertexStage.module = vsModule; |
| textureDescriptor.cFragmentStage.module = fsModule; |
| textureDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&textureDescriptor); |
| |
| struct Data { |
| float transform[8]; |
| char padding[256 - 8 * sizeof(float)]; |
| float color[4]; |
| }; |
| ASSERT(offsetof(Data, color) == 256); |
| constexpr float dummy = 0.0f; |
| Data data { |
| { 1.f, 0.f, dummy, dummy, 0.f, 1.0f, dummy, dummy }, |
| { 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, utils::SingleShaderStage::Vertex, R"( |
| #version 450 |
| layout (set = 0, binding = 0) uniform vertexUniformBuffer { |
| mat2 transform; |
| }; |
| void main() { |
| const vec2 pos[3] = vec2[3](vec2(-1.f, 1.f), vec2(1.f, 1.f), vec2(-1.f, -1.f)); |
| gl_Position = vec4(transform * pos[gl_VertexIndex], 0.f, 1.f); |
| })"); |
| |
| wgpu::ShaderModule fsModule = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"( |
| #version 450 |
| layout (set = 0, binding = 1) uniform sampler samp; |
| layout (set = 0, binding = 2) uniform texture2D tex; |
| layout (location = 0) out vec4 fragColor; |
| void main() { |
| fragColor = texture(sampler2D(tex, samp), gl_FragCoord.xy); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor(device); |
| pipelineDescriptor.vertexStage.module = vsModule; |
| pipelineDescriptor.cFragmentStage.module = fsModule; |
| pipelineDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&pipelineDescriptor); |
| |
| constexpr float dummy = 0.0f; |
| constexpr float transform[] = { 1.f, 0.f, dummy, dummy, 0.f, 1.f, dummy, dummy }; |
| 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.depth = 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::BufferCopyView bufferCopyView = |
| utils::CreateBufferCopyView(stagingBuffer, 0, widthInBytes, 0); |
| wgpu::TextureCopyView textureCopyView = utils::CreateTextureCopyView(texture, 0, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {width, height, 1}; |
| encoder.CopyBufferToTexture(&bufferCopyView, &textureCopyView, ©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, utils::SingleShaderStage::Vertex, R"( |
| #version 450 |
| layout (set = 0, binding = 0) uniform vertexUniformBuffer1 { |
| mat2 transform1; |
| }; |
| layout (set = 1, binding = 0) uniform vertexUniformBuffer2 { |
| mat2 transform2; |
| }; |
| void main() { |
| const vec2 pos[3] = vec2[3](vec2(-1.f, 1.f), vec2(1.f, 1.f), vec2(-1.f, -1.f)); |
| gl_Position = vec4((transform1 + transform2) * pos[gl_VertexIndex], 0.f, 1.f); |
| })"); |
| |
| wgpu::ShaderModule fsModule = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"( |
| #version 450 |
| layout (set = 0, binding = 1) uniform fragmentUniformBuffer1 { |
| vec4 color1; |
| }; |
| layout (set = 1, binding = 1) uniform fragmentUniformBuffer2 { |
| vec4 color2; |
| }; |
| layout(location = 0) out vec4 fragColor; |
| void main() { |
| fragColor = color1 + color2; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor textureDescriptor(device); |
| textureDescriptor.vertexStage.module = vsModule; |
| textureDescriptor.cFragmentStage.module = fsModule; |
| textureDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&textureDescriptor); |
| |
| struct Data { |
| float transform[8]; |
| char padding[256 - 8 * 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, 0.0f, 0.0f, 0.0f, 0.0f}, {0}, {0.0f, 1.0f, 0.0f, 1.0f}}); |
| |
| data.push_back( |
| {{0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f}, {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::BindingType::UniformBuffer}}); |
| |
| wgpu::RenderPipeline pipeline = |
| MakeTestPipeline(renderPass, |
| {wgpu::BindingType::UniformBuffer, wgpu::BindingType::UniformBuffer, |
| wgpu::BindingType::UniformBuffer, wgpu::BindingType::UniformBuffer}, |
| {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::BindingType::UniformBuffer}}); |
| |
| // Create a pipeline that uses the uniform bind group layout. |
| wgpu::RenderPipeline pipeline = |
| MakeTestPipeline(renderPass, {wgpu::BindingType::UniformBuffer}, {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::BindingType::UniformBuffer, true}}); |
| |
| // Create a pipeline that uses the dynamic uniform bind group layout for two bind groups. |
| wgpu::RenderPipeline pipeline = MakeTestPipeline( |
| renderPass, {wgpu::BindingType::UniformBuffer, wgpu::BindingType::UniformBuffer}, |
| {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::BindingType::UniformBuffer, true}}); |
| |
| // Create a bind group layout which uses a single dynamic storage buffer. |
| wgpu::BindGroupLayout storageLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::StorageBuffer, true}}); |
| |
| // Create a pipeline which uses the uniform buffer and storage buffer bind groups. |
| wgpu::RenderPipeline pipeline0 = MakeTestPipeline( |
| renderPass, {wgpu::BindingType::UniformBuffer, wgpu::BindingType::StorageBuffer}, |
| {uniformLayout, storageLayout}); |
| |
| // Create a pipeline which uses the uniform buffer bind group twice. |
| wgpu::RenderPipeline pipeline1 = MakeTestPipeline( |
| renderPass, {wgpu::BindingType::UniformBuffer, wgpu::BindingType::UniformBuffer}, |
| {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::BindingType::UniformBuffer, true}}); |
| |
| // Create a bind group layout which uses a single dynamic storage buffer. |
| wgpu::BindGroupLayout storageLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::StorageBuffer, true}}); |
| |
| // Create a pipeline with pipeline layout (uniform, uniform, storage). |
| wgpu::RenderPipeline pipeline0 = |
| MakeTestPipeline(renderPass, |
| {wgpu::BindingType::UniformBuffer, wgpu::BindingType::UniformBuffer, |
| wgpu::BindingType::StorageBuffer}, |
| {uniformLayout, uniformLayout, storageLayout}); |
| |
| // Create a pipeline with pipeline layout (uniform, storage, storage). |
| wgpu::RenderPipeline pipeline1 = |
| MakeTestPipeline(renderPass, |
| {wgpu::BindingType::UniformBuffer, wgpu::BindingType::StorageBuffer, |
| wgpu::BindingType::StorageBuffer}, |
| {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::BindingType::ReadonlyStorageBuffer, true}, |
| {0, wgpu::ShaderStage::Compute, wgpu::BindingType::ReadonlyStorageBuffer, true}, |
| {2, wgpu::ShaderStage::Compute, wgpu::BindingType::UniformBuffer, true}, |
| {4, wgpu::ShaderStage::Compute, wgpu::BindingType::StorageBuffer}, |
| }); |
| 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, utils::SingleShaderStage::Compute, R"( |
| #version 450 |
| layout(std140, set = 0, binding = 2) uniform Buffer2 { |
| uint value2; |
| }; |
| layout(std430, set = 0, binding = 3) readonly buffer Buffer3 { |
| uint value3; |
| }; |
| layout(std430, set = 0, binding = 0) readonly buffer Buffer0 { |
| uint value0; |
| }; |
| layout(std430, set = 0, binding = 4) buffer OutputBuffer { |
| uvec3 outputBuffer; |
| }; |
| void main() { |
| outputBuffer = uvec3(value0, value2, value3); |
| } |
| )"); |
| 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 = {0, wgpu::ShaderStage::None, |
| wgpu::BindingType::UniformBuffer}; |
| 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 = {0, wgpu::ShaderStage::None, |
| wgpu::BindingType::UniformBuffer, 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) { |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::ShaderModule vsModule = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Vertex, R"( |
| #version 450 |
| void main() { |
| const vec2 pos[3] = vec2[3](vec2(-1.f, 1.f), vec2(1.f, 1.f), vec2(-1.f, -1.f)); |
| gl_Position = vec4(pos[gl_VertexIndex], 0.f, 1.f); |
| })"); |
| |
| wgpu::ShaderModule fsModule = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"( |
| #version 450 |
| layout (set = 0, binding = 953) uniform ubo1 { |
| vec4 color1; |
| }; |
| layout (set = 0, binding = 47) uniform ubo2 { |
| vec4 color2; |
| }; |
| layout (set = 0, binding = 111) uniform ubo3 { |
| vec4 color3; |
| }; |
| layout(location = 0) out vec4 fragColor; |
| void main() { |
| fragColor = color1 + 2 * color2 + 4 * color3; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor(device); |
| pipelineDescriptor.vertexStage.module = vsModule; |
| pipelineDescriptor.cFragmentStage.module = fsModule; |
| pipelineDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&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::BindingType::UniformBuffer}}); |
| 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, utils::SingleShaderStage::Compute, R"( |
| #version 450 |
| void 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::ComboRenderPipelineDescriptor pipelineDescriptor(device); |
| |
| pipelineDescriptor.vertexStage.module = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Vertex, R"( |
| #version 450 |
| void main() { |
| const vec2 pos[3] = vec2[3](vec2(-1.f, 1.f), vec2(1.f, 1.f), vec2(-1.f, -1.f)); |
| gl_Position = vec4(pos[gl_VertexIndex], 0.f, 1.f); |
| })"); |
| |
| pipelineDescriptor.cFragmentStage.module = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"( |
| #version 450 |
| layout(set = 0, binding = 0) readonly buffer buffer0 { |
| vec4 color; |
| }; |
| layout(location = 0) out vec4 fragColor; |
| void main() { |
| fragColor = color; |
| })"); |
| |
| constexpr uint32_t kRTSize = 4; |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| pipelineDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| |
| wgpu::BindGroupLayout bgl = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::StorageBuffer}}); |
| |
| pipelineDescriptor.layout = utils::MakeBasicPipelineLayout(device, &bgl); |
| |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&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); |
| } |
| |
| DAWN_INSTANTIATE_TEST(BindGroupTests, D3D12Backend(), MetalBackend(), OpenGLBackend(), VulkanBackend()); |
