| // Copyright 2019 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn/tests/DawnTest.h" |
| |
| #include "dawn/utils/ComboRenderBundleEncoderDescriptor.h" |
| #include "dawn/utils/ComboRenderPipelineDescriptor.h" |
| #include "dawn/utils/WGPUHelpers.h" |
| |
| namespace dawn { |
| namespace { |
| |
| constexpr uint32_t kRTSize = 4; |
| const utils::RGBA8 kColors[2] = {utils::RGBA8::kGreen, utils::RGBA8::kBlue}; |
| |
| // RenderBundleTest tests simple usage of RenderBundles to draw. The implementaiton |
| // of RenderBundle is shared significantly with render pass execution which is |
| // tested in all other rendering tests. |
| class RenderBundleTest : public DawnTest { |
| protected: |
| void SetUp() override { |
| DawnTest::SetUp(); |
| |
| renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| @vertex |
| fn main(@location(0) pos : vec4f) -> @builtin(position) vec4f { |
| return pos; |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| struct Ubo { |
| color : vec4f |
| } |
| @group(0) @binding(0) var<uniform> fragmentUniformBuffer : Ubo; |
| |
| @fragment fn main() -> @location(0) vec4f { |
| return fragmentUniformBuffer.color; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| descriptor.primitive.topology = wgpu::PrimitiveTopology::TriangleList; |
| descriptor.vertex.bufferCount = 1; |
| descriptor.cBuffers[0].arrayStride = 4 * sizeof(float); |
| descriptor.cBuffers[0].attributeCount = 1; |
| descriptor.cAttributes[0].format = wgpu::VertexFormat::Float32x4; |
| descriptor.cTargets[0].format = renderPass.colorFormat; |
| |
| pipeline = device.CreateRenderPipeline(&descriptor); |
| |
| float colors0[] = {kColors[0].r / 255.f, kColors[0].g / 255.f, kColors[0].b / 255.f, |
| kColors[0].a / 255.f}; |
| float colors1[] = {kColors[1].r / 255.f, kColors[1].g / 255.f, kColors[1].b / 255.f, |
| kColors[1].a / 255.f}; |
| |
| wgpu::Buffer buffer0 = utils::CreateBufferFromData(device, colors0, 4 * sizeof(float), |
| wgpu::BufferUsage::Uniform); |
| wgpu::Buffer buffer1 = utils::CreateBufferFromData(device, colors1, 4 * sizeof(float), |
| wgpu::BufferUsage::Uniform); |
| |
| bindGroups[0] = utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, buffer0, 0, 4 * sizeof(float)}}); |
| bindGroups[1] = utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, buffer1, 0, 4 * sizeof(float)}}); |
| |
| vertexBuffer = utils::CreateBufferFromData<float>( |
| device, wgpu::BufferUsage::Vertex, |
| {// The bottom left triangle |
| -1.0f, 1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, -1.0f, -1.0f, 0.0f, 1.0f, |
| |
| // The top right triangle |
| -1.0f, 1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f}); |
| } |
| |
| utils::BasicRenderPass renderPass; |
| wgpu::RenderPipeline pipeline; |
| wgpu::Buffer vertexBuffer; |
| wgpu::BindGroup bindGroups[2]; |
| }; |
| |
| // Basic test of RenderBundle. |
| TEST_P(RenderBundleTest, Basic) { |
| utils::ComboRenderBundleEncoderDescriptor desc = {}; |
| desc.colorFormatCount = 1; |
| desc.cColorFormats[0] = renderPass.colorFormat; |
| |
| wgpu::RenderBundleEncoder renderBundleEncoder = device.CreateRenderBundleEncoder(&desc); |
| |
| renderBundleEncoder.SetPipeline(pipeline); |
| renderBundleEncoder.SetVertexBuffer(0, vertexBuffer); |
| renderBundleEncoder.SetBindGroup(0, bindGroups[0]); |
| renderBundleEncoder.Draw(6); |
| |
| wgpu::RenderBundle renderBundle = renderBundleEncoder.Finish(); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.ExecuteBundles(1, &renderBundle); |
| pass.End(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(kColors[0], renderPass.color, 1, 3); |
| EXPECT_PIXEL_RGBA8_EQ(kColors[0], renderPass.color, 3, 1); |
| } |
| |
| // Test execution of multiple render bundles |
| TEST_P(RenderBundleTest, MultipleBundles) { |
| utils::ComboRenderBundleEncoderDescriptor desc = {}; |
| desc.colorFormatCount = 1; |
| desc.cColorFormats[0] = renderPass.colorFormat; |
| |
| wgpu::RenderBundle renderBundles[2]; |
| { |
| wgpu::RenderBundleEncoder renderBundleEncoder = device.CreateRenderBundleEncoder(&desc); |
| |
| renderBundleEncoder.SetPipeline(pipeline); |
| renderBundleEncoder.SetVertexBuffer(0, vertexBuffer); |
| renderBundleEncoder.SetBindGroup(0, bindGroups[0]); |
| renderBundleEncoder.Draw(3); |
| |
| renderBundles[0] = renderBundleEncoder.Finish(); |
| } |
| { |
| wgpu::RenderBundleEncoder renderBundleEncoder = device.CreateRenderBundleEncoder(&desc); |
| |
| renderBundleEncoder.SetPipeline(pipeline); |
| renderBundleEncoder.SetVertexBuffer(0, vertexBuffer); |
| renderBundleEncoder.SetBindGroup(0, bindGroups[1]); |
| renderBundleEncoder.Draw(3, 1, 3); |
| |
| renderBundles[1] = renderBundleEncoder.Finish(); |
| } |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.ExecuteBundles(2, renderBundles); |
| pass.End(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(kColors[0], renderPass.color, 1, 3); |
| EXPECT_PIXEL_RGBA8_EQ(kColors[1], renderPass.color, 3, 1); |
| } |
| |
| // Test execution of a bundle along with render pass commands. |
| TEST_P(RenderBundleTest, BundleAndRenderPassCommands) { |
| utils::ComboRenderBundleEncoderDescriptor desc = {}; |
| desc.colorFormatCount = 1; |
| desc.cColorFormats[0] = renderPass.colorFormat; |
| |
| wgpu::RenderBundleEncoder renderBundleEncoder = device.CreateRenderBundleEncoder(&desc); |
| |
| renderBundleEncoder.SetPipeline(pipeline); |
| renderBundleEncoder.SetVertexBuffer(0, vertexBuffer); |
| renderBundleEncoder.SetBindGroup(0, bindGroups[0]); |
| renderBundleEncoder.Draw(3); |
| |
| wgpu::RenderBundle renderBundle = renderBundleEncoder.Finish(); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.ExecuteBundles(1, &renderBundle); |
| |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, vertexBuffer); |
| pass.SetBindGroup(0, bindGroups[1]); |
| pass.Draw(3, 1, 3); |
| |
| pass.ExecuteBundles(1, &renderBundle); |
| pass.End(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(kColors[0], renderPass.color, 1, 3); |
| EXPECT_PIXEL_RGBA8_EQ(kColors[1], renderPass.color, 3, 1); |
| } |
| |
| DAWN_INSTANTIATE_TEST(RenderBundleTest, |
| D3D11Backend(), |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| |
| } // anonymous namespace |
| } // namespace dawn |