| // Copyright 2020 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 "dawn/tests/DawnTest.h" |
| |
| #include "dawn/utils/ComboRenderPipelineDescriptor.h" |
| #include "dawn/utils/WGPUHelpers.h" |
| |
| class EntryPointTests : public DawnTest {}; |
| |
| // Test creating a render pipeline from two entryPoints in the same module. |
| TEST_P(EntryPointTests, FragAndVertexSameModule) { |
| // TODO(crbug.com/dawn/658): Crashes on bots |
| DAWN_SUPPRESS_TEST_IF(IsOpenGL() || IsOpenGLES()); |
| wgpu::ShaderModule module = utils::CreateShaderModule(device, R"( |
| @vertex fn vertex_main() -> @builtin(position) vec4f { |
| return vec4f(0.0, 0.0, 0.0, 1.0); |
| } |
| |
| @fragment fn fragment_main() -> @location(0) vec4f { |
| return vec4f(1.0, 0.0, 0.0, 1.0); |
| } |
| )"); |
| |
| // Create a point pipeline from the module. |
| utils::ComboRenderPipelineDescriptor desc; |
| desc.vertex.module = module; |
| desc.vertex.entryPoint = "vertex_main"; |
| desc.cFragment.module = module; |
| desc.cFragment.entryPoint = "fragment_main"; |
| desc.cTargets[0].format = wgpu::TextureFormat::RGBA8Unorm; |
| desc.primitive.topology = wgpu::PrimitiveTopology::PointList; |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&desc); |
| |
| // Render the point and check that it was rendered. |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 1, 1); |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.Draw(1); |
| pass.End(); |
| } |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kRed, renderPass.color, 0, 0); |
| } |
| |
| // Test creating two compute pipelines from the same module. |
| TEST_P(EntryPointTests, TwoComputeInModule) { |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.buffer.type = wgpu::BufferBindingType::Storage; |
| binding.visibility = wgpu::ShaderStage::Compute; |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| wgpu::BindGroupLayout bindGroupLayout = device.CreateBindGroupLayout(&desc); |
| |
| wgpu::PipelineLayoutDescriptor pipelineLayoutDesc = {}; |
| pipelineLayoutDesc.bindGroupLayoutCount = 1; |
| pipelineLayoutDesc.bindGroupLayouts = &bindGroupLayout; |
| |
| wgpu::PipelineLayout pipelineLayout = device.CreatePipelineLayout(&pipelineLayoutDesc); |
| |
| wgpu::ShaderModule module = utils::CreateShaderModule(device, R"( |
| struct Data { |
| data : u32 |
| } |
| @binding(0) @group(0) var<storage, read_write> data : Data; |
| |
| @compute @workgroup_size(1) fn write1() { |
| data.data = 1u; |
| return; |
| } |
| |
| @compute @workgroup_size(1) fn write42() { |
| data.data = 42u; |
| return; |
| } |
| )"); |
| |
| // Create both pipelines from the module. |
| wgpu::ComputePipelineDescriptor pipelineDesc; |
| pipelineDesc.layout = pipelineLayout; |
| pipelineDesc.compute.module = module; |
| |
| pipelineDesc.compute.entryPoint = "write1"; |
| wgpu::ComputePipeline write1 = device.CreateComputePipeline(&pipelineDesc); |
| |
| pipelineDesc.compute.entryPoint = "write42"; |
| wgpu::ComputePipeline write42 = device.CreateComputePipeline(&pipelineDesc); |
| |
| // Create the bindGroup. |
| wgpu::BufferDescriptor bufferDesc; |
| bufferDesc.size = 4; |
| bufferDesc.usage = wgpu::BufferUsage::Storage | wgpu::BufferUsage::CopySrc; |
| wgpu::Buffer buffer = device.CreateBuffer(&bufferDesc); |
| |
| wgpu::BindGroup group = utils::MakeBindGroup(device, bindGroupLayout, {{0, buffer}}); |
| |
| // Use the first pipeline and check it wrote 1. |
| { |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder pass = encoder.BeginComputePass(); |
| pass.SetPipeline(write1); |
| pass.SetBindGroup(0, group); |
| pass.DispatchWorkgroups(1); |
| pass.End(); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_BUFFER_U32_EQ(1, buffer, 0); |
| } |
| |
| // Use the second pipeline and check it wrote 42. |
| { |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder pass = encoder.BeginComputePass(); |
| pass.SetPipeline(write42); |
| pass.SetBindGroup(0, group); |
| pass.DispatchWorkgroups(42); |
| pass.End(); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_BUFFER_U32_EQ(42, buffer, 0); |
| } |
| } |
| |
| DAWN_INSTANTIATE_TEST(EntryPointTests, |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |