| // 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 "tests/unittests/validation/ValidationTest.h" |
| |
| #include "utils/ComboRenderPipelineDescriptor.h" |
| #include "utils/WGPUHelpers.h" |
| |
| class GetBindGroupLayoutTests : public ValidationTest { |
| protected: |
| wgpu::RenderPipeline RenderPipelineFromFragmentShader(const char* shader) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, shader); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| descriptor.cTargets[0].writeMask = wgpu::ColorWriteMask::None; |
| |
| return device.CreateRenderPipeline(&descriptor); |
| } |
| }; |
| |
| // Test that GetBindGroupLayout returns the same object for the same index |
| // and for matching layouts. |
| TEST_F(GetBindGroupLayoutTests, SameObject) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniform0 : S; |
| [[group(1), binding(0)]] var<uniform> uniform1 : S; |
| |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| var pos : vec4<f32> = uniform0.pos; |
| pos = uniform1.pos; |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| struct S2 { |
| pos : vec4<f32>; |
| }; |
| [[group(2), binding(0)]] var<uniform> uniform2 : S2; |
| |
| struct S3 { |
| pos : mat4x4<f32>; |
| }; |
| [[group(3), binding(0)]] var<storage, read_write> storage3 : S3; |
| |
| [[stage(fragment)]] fn main() { |
| var pos_u : vec4<f32> = uniform2.pos; |
| var pos_s : mat4x4<f32> = storage3.pos; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| descriptor.cTargets[0].writeMask = wgpu::ColorWriteMask::None; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&descriptor); |
| |
| // The same value is returned for the same index. |
| EXPECT_EQ(pipeline.GetBindGroupLayout(0).Get(), pipeline.GetBindGroupLayout(0).Get()); |
| |
| // Matching bind group layouts at different indices are the same object. |
| EXPECT_EQ(pipeline.GetBindGroupLayout(0).Get(), pipeline.GetBindGroupLayout(1).Get()); |
| |
| // BGLs with different bindings types are different objects. |
| EXPECT_NE(pipeline.GetBindGroupLayout(2).Get(), pipeline.GetBindGroupLayout(3).Get()); |
| |
| // BGLs with different visibilities are different objects. |
| EXPECT_NE(pipeline.GetBindGroupLayout(0).Get(), pipeline.GetBindGroupLayout(2).Get()); |
| } |
| |
| // Test that default BindGroupLayouts cannot be used in the creation of a new PipelineLayout |
| TEST_F(GetBindGroupLayoutTests, DefaultBindGroupLayoutPipelineCompatibility) { |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = uniforms.pos; |
| })"); |
| |
| ASSERT_DEVICE_ERROR(utils::MakePipelineLayout(device, {pipeline.GetBindGroupLayout(0)})); |
| } |
| |
| // Test that getBindGroupLayout defaults are correct |
| // - shader stage visibility is the stage that adds the binding. |
| // - dynamic offsets is false |
| TEST_F(GetBindGroupLayoutTests, DefaultShaderStageAndDynamicOffsets) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = uniforms.pos; |
| })"); |
| |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.buffer.type = wgpu::BufferBindingType::Uniform; |
| binding.buffer.minBindingSize = 4 * sizeof(float); |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| // Check that an otherwise compatible bind group layout doesn't match one created as part of a |
| // default pipeline layout. |
| binding.buffer.hasDynamicOffset = false; |
| binding.visibility = wgpu::ShaderStage::Fragment; |
| EXPECT_NE(device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()); |
| |
| // Check that any change in visibility doesn't match. |
| binding.visibility = wgpu::ShaderStage::Vertex; |
| EXPECT_NE(device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()); |
| |
| binding.visibility = wgpu::ShaderStage::Compute; |
| EXPECT_NE(device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()); |
| |
| // Check that any change in hasDynamicOffsets doesn't match. |
| binding.buffer.hasDynamicOffset = true; |
| binding.visibility = wgpu::ShaderStage::Fragment; |
| EXPECT_NE(device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()); |
| } |
| |
| TEST_F(GetBindGroupLayoutTests, DefaultTextureSampleType) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::BindGroupLayout filteringBGL = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Vertex | wgpu::ShaderStage::Fragment, |
| wgpu::TextureSampleType::Float}, |
| {1, wgpu::ShaderStage::Vertex | wgpu::ShaderStage::Fragment, |
| wgpu::SamplerBindingType::Filtering}}); |
| |
| wgpu::BindGroupLayout nonFilteringBGL = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Vertex | wgpu::ShaderStage::Fragment, |
| wgpu::TextureSampleType::UnfilterableFloat}, |
| {1, wgpu::ShaderStage::Vertex | wgpu::ShaderStage::Fragment, |
| wgpu::SamplerBindingType::Filtering}}); |
| |
| wgpu::ShaderModule emptyVertexModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| [[group(0), binding(1)]] var mySampler : sampler; |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| _ = myTexture; |
| _ = mySampler; |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule textureLoadVertexModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| [[group(0), binding(1)]] var mySampler : sampler; |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| textureLoad(myTexture, vec2<i32>(), 0); |
| _ = mySampler; |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule textureSampleVertexModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| [[group(0), binding(1)]] var mySampler : sampler; |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| textureSampleLevel(myTexture, mySampler, vec2<f32>(), 0.0); |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule unusedTextureFragmentModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| [[group(0), binding(1)]] var mySampler : sampler; |
| [[stage(fragment)]] fn main() { |
| _ = myTexture; |
| _ = mySampler; |
| })"); |
| |
| wgpu::ShaderModule textureLoadFragmentModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| [[group(0), binding(1)]] var mySampler : sampler; |
| [[stage(fragment)]] fn main() { |
| textureLoad(myTexture, vec2<i32>(), 0); |
| _ = mySampler; |
| })"); |
| |
| wgpu::ShaderModule textureSampleFragmentModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| [[group(0), binding(1)]] var mySampler : sampler; |
| [[stage(fragment)]] fn main() { |
| textureSample(myTexture, mySampler, vec2<f32>()); |
| })"); |
| |
| auto BGLFromModules = [this](wgpu::ShaderModule vertexModule, |
| wgpu::ShaderModule fragmentModule) { |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.vertex.module = vertexModule; |
| descriptor.cFragment.module = fragmentModule; |
| descriptor.cTargets[0].writeMask = wgpu::ColorWriteMask::None; |
| return device.CreateRenderPipeline(&descriptor).GetBindGroupLayout(0); |
| }; |
| |
| // Textures not used default to non-filtering |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(emptyVertexModule, unusedTextureFragmentModule).Get(), |
| nonFilteringBGL.Get())); |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(emptyVertexModule, unusedTextureFragmentModule).Get(), filteringBGL.Get())); |
| |
| // Textures used with textureLoad default to non-filtering |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(emptyVertexModule, textureLoadFragmentModule).Get(), nonFilteringBGL.Get())); |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(emptyVertexModule, textureLoadFragmentModule).Get(), filteringBGL.Get())); |
| |
| // Textures used with textureLoad on both stages default to non-filtering |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(textureLoadVertexModule, textureLoadFragmentModule).Get(), |
| nonFilteringBGL.Get())); |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(textureLoadVertexModule, textureLoadFragmentModule).Get(), |
| filteringBGL.Get())); |
| |
| // Textures used with textureSample default to filtering |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(emptyVertexModule, textureSampleFragmentModule).Get(), |
| nonFilteringBGL.Get())); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(emptyVertexModule, textureSampleFragmentModule).Get(), filteringBGL.Get())); |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(textureSampleVertexModule, unusedTextureFragmentModule).Get(), |
| nonFilteringBGL.Get())); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(textureSampleVertexModule, unusedTextureFragmentModule).Get(), |
| filteringBGL.Get())); |
| |
| // Textures used with both textureLoad and textureSample default to filtering |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(textureLoadVertexModule, textureSampleFragmentModule).Get(), |
| nonFilteringBGL.Get())); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(textureLoadVertexModule, textureSampleFragmentModule).Get(), |
| filteringBGL.Get())); |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(textureSampleVertexModule, textureLoadFragmentModule).Get(), |
| nonFilteringBGL.Get())); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| BGLFromModules(textureSampleVertexModule, textureLoadFragmentModule).Get(), |
| filteringBGL.Get())); |
| } |
| |
| // Test GetBindGroupLayout works with a compute pipeline |
| TEST_F(GetBindGroupLayoutTests, ComputePipeline) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::ShaderModule csModule = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(compute), workgroup_size(1)]] fn main() { |
| var pos : vec4<f32> = uniforms.pos; |
| })"); |
| |
| wgpu::ComputePipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.compute.module = csModule; |
| descriptor.compute.entryPoint = "main"; |
| |
| wgpu::ComputePipeline pipeline = device.CreateComputePipeline(&descriptor); |
| |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.buffer.type = wgpu::BufferBindingType::Uniform; |
| binding.visibility = wgpu::ShaderStage::Compute; |
| binding.buffer.hasDynamicOffset = false; |
| binding.buffer.minBindingSize = 4 * sizeof(float); |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| // Test that the binding type matches the shader. |
| TEST_F(GetBindGroupLayoutTests, BindingType) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.buffer.hasDynamicOffset = false; |
| binding.buffer.minBindingSize = 4 * sizeof(float); |
| binding.visibility = wgpu::ShaderStage::Fragment; |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| { |
| // Storage buffer binding is not supported in vertex shader. |
| binding.visibility = wgpu::ShaderStage::Fragment; |
| binding.buffer.type = wgpu::BufferBindingType::Storage; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<storage, read_write> ssbo : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = ssbo.pos; |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| { |
| binding.buffer.type = wgpu::BufferBindingType::Uniform; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = uniforms.pos; |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.buffer.type = wgpu::BufferBindingType::ReadOnlyStorage; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<storage, read> ssbo : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = ssbo.pos; |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| binding.buffer.type = wgpu::BufferBindingType::Undefined; |
| binding.buffer.minBindingSize = 0; |
| { |
| binding.texture.sampleType = wgpu::TextureSampleType::UnfilterableFloat; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.texture.multisampled = true; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_multisampled_2d<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| binding.texture.sampleType = wgpu::TextureSampleType::Undefined; |
| { |
| binding.sampler.type = wgpu::SamplerBindingType::Filtering; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var mySampler: sampler; |
| |
| [[stage(fragment)]] fn main() { |
| _ = mySampler; |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| } |
| |
| // Tests that the external texture binding type matches with a texture_external declared in the |
| // shader. |
| TEST_F(GetBindGroupLayoutTests, ExternalTextureBindingType) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.visibility = wgpu::ShaderStage::Fragment; |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| binding.nextInChain = &utils::kExternalTextureBindingLayout; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myExternalTexture: texture_external; |
| |
| [[stage(fragment)]] fn main() { |
| _ = myExternalTexture; |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| // Test that texture view dimension matches the shader. |
| TEST_F(GetBindGroupLayoutTests, ViewDimension) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.visibility = wgpu::ShaderStage::Fragment; |
| binding.texture.sampleType = wgpu::TextureSampleType::UnfilterableFloat; |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| { |
| binding.texture.viewDimension = wgpu::TextureViewDimension::e1D; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_1d<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.texture.viewDimension = wgpu::TextureViewDimension::e2D; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.texture.viewDimension = wgpu::TextureViewDimension::e2DArray; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d_array<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.texture.viewDimension = wgpu::TextureViewDimension::e3D; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_3d<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.texture.viewDimension = wgpu::TextureViewDimension::Cube; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_cube<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.texture.viewDimension = wgpu::TextureViewDimension::CubeArray; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_cube_array<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| } |
| |
| // Test that texture component type matches the shader. |
| TEST_F(GetBindGroupLayoutTests, TextureComponentType) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.visibility = wgpu::ShaderStage::Fragment; |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| { |
| binding.texture.sampleType = wgpu::TextureSampleType::UnfilterableFloat; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.texture.sampleType = wgpu::TextureSampleType::Sint; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<i32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.texture.sampleType = wgpu::TextureSampleType::Uint; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<u32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| } |
| |
| // Test that binding= indices match. |
| TEST_F(GetBindGroupLayoutTests, BindingIndices) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.visibility = wgpu::ShaderStage::Fragment; |
| binding.buffer.type = wgpu::BufferBindingType::Uniform; |
| binding.buffer.hasDynamicOffset = false; |
| binding.buffer.minBindingSize = 4 * sizeof(float); |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| { |
| binding.binding = 0; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = uniforms.pos; |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.binding = 1; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(1)]] var<uniform> uniforms : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = uniforms.pos; |
| })"); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| |
| { |
| binding.binding = 2; |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(1)]] var<uniform> uniforms : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = uniforms.pos; |
| })"); |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get())); |
| } |
| } |
| |
| // Test it is valid to have duplicate bindings in the shaders. |
| TEST_F(GetBindGroupLayoutTests, DuplicateBinding) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniform0 : S; |
| [[group(1), binding(0)]] var<uniform> uniform1 : S; |
| |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| var pos : vec4<f32> = uniform0.pos; |
| pos = uniform1.pos; |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(1), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = uniforms.pos; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| descriptor.cTargets[0].writeMask = wgpu::ColorWriteMask::None; |
| |
| device.CreateRenderPipeline(&descriptor); |
| } |
| |
| // Test that minBufferSize is set on the BGL and that the max of the min buffer sizes is used. |
| TEST_F(GetBindGroupLayoutTests, MinBufferSize) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::ShaderModule vsModule4 = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : f32; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| var pos : f32 = uniforms.pos; |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule vsModule64 = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : mat4x4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| var pos : mat4x4<f32> = uniforms.pos; |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModule4 = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : f32; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : f32 = uniforms.pos; |
| })"); |
| |
| wgpu::ShaderModule fsModule64 = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : mat4x4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : mat4x4<f32> = uniforms.pos; |
| })"); |
| |
| // Create BGLs with minBufferBindingSize 4 and 64. |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.buffer.type = wgpu::BufferBindingType::Uniform; |
| binding.visibility = wgpu::ShaderStage::Fragment | wgpu::ShaderStage::Vertex; |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| binding.buffer.minBindingSize = 4; |
| wgpu::BindGroupLayout bgl4 = device.CreateBindGroupLayout(&desc); |
| binding.buffer.minBindingSize = 64; |
| wgpu::BindGroupLayout bgl64 = device.CreateBindGroupLayout(&desc); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.cTargets[0].writeMask = wgpu::ColorWriteMask::None; |
| |
| // Check with both stages using 4 bytes. |
| { |
| descriptor.vertex.module = vsModule4; |
| descriptor.cFragment.module = fsModule4; |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&descriptor); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(0).Get(), bgl4.Get())); |
| } |
| |
| // Check that the max is taken between 4 and 64. |
| { |
| descriptor.vertex.module = vsModule64; |
| descriptor.cFragment.module = fsModule4; |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&descriptor); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(0).Get(), bgl64.Get())); |
| } |
| |
| // Check that the order doesn't change that the max is taken. |
| { |
| descriptor.vertex.module = vsModule4; |
| descriptor.cFragment.module = fsModule64; |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&descriptor); |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(0).Get(), bgl64.Get())); |
| } |
| } |
| |
| // Test that the visibility is correctly aggregated if two stages have the exact same binding. |
| TEST_F(GetBindGroupLayoutTests, StageAggregation) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::ShaderModule vsModuleNoSampler = utils::CreateShaderModule(device, R"( |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule vsModuleSampler = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var mySampler: sampler; |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| _ = mySampler; |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModuleNoSampler = utils::CreateShaderModule(device, R"( |
| [[stage(fragment)]] fn main() { |
| })"); |
| |
| wgpu::ShaderModule fsModuleSampler = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var mySampler: sampler; |
| [[stage(fragment)]] fn main() { |
| _ = mySampler; |
| })"); |
| |
| // Create BGLs with minBufferBindingSize 4 and 64. |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.sampler.type = wgpu::SamplerBindingType::Filtering; |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 1; |
| desc.entries = &binding; |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.cTargets[0].writeMask = wgpu::ColorWriteMask::None; |
| |
| // Check with only the vertex shader using the sampler |
| { |
| descriptor.vertex.module = vsModuleSampler; |
| descriptor.cFragment.module = fsModuleNoSampler; |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&descriptor); |
| |
| binding.visibility = wgpu::ShaderStage::Vertex; |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(0).Get(), device.CreateBindGroupLayout(&desc).Get())); |
| } |
| |
| // Check with only the fragment shader using the sampler |
| { |
| descriptor.vertex.module = vsModuleNoSampler; |
| descriptor.cFragment.module = fsModuleSampler; |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&descriptor); |
| |
| binding.visibility = wgpu::ShaderStage::Fragment; |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(0).Get(), device.CreateBindGroupLayout(&desc).Get())); |
| } |
| |
| // Check with both shaders using the sampler |
| { |
| descriptor.vertex.module = vsModuleSampler; |
| descriptor.cFragment.module = fsModuleSampler; |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&descriptor); |
| |
| binding.visibility = wgpu::ShaderStage::Fragment | wgpu::ShaderStage::Vertex; |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(0).Get(), device.CreateBindGroupLayout(&desc).Get())); |
| } |
| } |
| |
| // Test it is invalid to have conflicting binding types in the shaders. |
| TEST_F(GetBindGroupLayoutTests, ConflictingBindingType) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> ubo : S; |
| |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| var pos : vec4<f32> = ubo.pos; |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<storage, read_write> ssbo : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = ssbo.pos; |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| |
| ASSERT_DEVICE_ERROR(device.CreateRenderPipeline(&descriptor)); |
| } |
| |
| // Test it is invalid to have conflicting binding texture multisampling in the shaders. |
| TEST_F(GetBindGroupLayoutTests, ConflictingBindingTextureMultisampling) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| textureDimensions(myTexture); |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_multisampled_2d<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| |
| ASSERT_DEVICE_ERROR(device.CreateRenderPipeline(&descriptor)); |
| } |
| |
| // Test it is invalid to have conflicting binding texture dimension in the shaders. |
| TEST_F(GetBindGroupLayoutTests, ConflictingBindingViewDimension) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| textureDimensions(myTexture); |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_3d<f32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| |
| ASSERT_DEVICE_ERROR(device.CreateRenderPipeline(&descriptor)); |
| } |
| |
| // Test it is invalid to have conflicting binding texture component type in the shaders. |
| TEST_F(GetBindGroupLayoutTests, ConflictingBindingTextureComponentType) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<f32>; |
| |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| textureDimensions(myTexture); |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var myTexture : texture_2d<i32>; |
| |
| [[stage(fragment)]] fn main() { |
| textureDimensions(myTexture); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| |
| ASSERT_DEVICE_ERROR(device.CreateRenderPipeline(&descriptor)); |
| } |
| |
| // Test it is an error to query an out of range bind group layout. |
| TEST_F(GetBindGroupLayoutTests, OutOfRangeIndex) { |
| ASSERT_DEVICE_ERROR(RenderPipelineFromFragmentShader(R"( |
| [[stage(fragment)]] fn main() { |
| })") |
| .GetBindGroupLayout(kMaxBindGroups)); |
| |
| ASSERT_DEVICE_ERROR(RenderPipelineFromFragmentShader(R"( |
| [[stage(fragment)]] fn main() { |
| })") |
| .GetBindGroupLayout(kMaxBindGroups + 1)); |
| } |
| |
| // Test that unused indices return the empty bind group layout. |
| TEST_F(GetBindGroupLayoutTests, UnusedIndex) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::RenderPipeline pipeline = RenderPipelineFromFragmentShader(R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms0 : S; |
| [[group(2), binding(0)]] var<uniform> uniforms2 : S; |
| |
| [[stage(fragment)]] fn main() { |
| var pos : vec4<f32> = uniforms0.pos; |
| pos = uniforms2.pos; |
| })"); |
| |
| wgpu::BindGroupLayoutDescriptor desc = {}; |
| desc.entryCount = 0; |
| desc.entries = nullptr; |
| |
| wgpu::BindGroupLayout emptyBindGroupLayout = device.CreateBindGroupLayout(&desc); |
| |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(0).Get(), emptyBindGroupLayout.Get())); // Used |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(1).Get(), emptyBindGroupLayout.Get())); // Not Used. |
| EXPECT_FALSE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(2).Get(), emptyBindGroupLayout.Get())); // Used. |
| EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting( |
| pipeline.GetBindGroupLayout(3).Get(), emptyBindGroupLayout.Get())); // Not used |
| } |
| |
| // Test that after explicitly creating a pipeline with a pipeline layout, calling |
| // GetBindGroupLayout reflects the same bind group layouts. |
| TEST_F(GetBindGroupLayoutTests, Reflection) { |
| // This test works assuming Dawn Native's object deduplication. |
| // Getting the same pointer to equivalent bind group layouts is an implementation detail of Dawn |
| // Native. |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| |
| wgpu::BindGroupLayoutEntry binding = {}; |
| binding.binding = 0; |
| binding.buffer.type = wgpu::BufferBindingType::Uniform; |
| binding.visibility = wgpu::ShaderStage::Vertex; |
| |
| wgpu::BindGroupLayoutDescriptor bglDesc = {}; |
| bglDesc.entryCount = 1; |
| bglDesc.entries = &binding; |
| |
| wgpu::BindGroupLayout bindGroupLayout = device.CreateBindGroupLayout(&bglDesc); |
| |
| wgpu::PipelineLayoutDescriptor pipelineLayoutDesc = {}; |
| pipelineLayoutDesc.bindGroupLayoutCount = 1; |
| pipelineLayoutDesc.bindGroupLayouts = &bindGroupLayout; |
| |
| wgpu::PipelineLayout pipelineLayout = device.CreatePipelineLayout(&pipelineLayoutDesc); |
| |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| struct S { |
| pos : vec4<f32>; |
| }; |
| [[group(0), binding(0)]] var<uniform> uniforms : S; |
| |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| var pos : vec4<f32> = uniforms.pos; |
| return vec4<f32>(); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| [[stage(fragment)]] fn main() { |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDesc; |
| pipelineDesc.layout = pipelineLayout; |
| pipelineDesc.vertex.module = vsModule; |
| pipelineDesc.cFragment.module = fsModule; |
| pipelineDesc.cTargets[0].writeMask = wgpu::ColorWriteMask::None; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&pipelineDesc); |
| |
| EXPECT_EQ(pipeline.GetBindGroupLayout(0).Get(), bindGroupLayout.Get()); |
| |
| { |
| wgpu::BindGroupLayoutDescriptor emptyDesc = {}; |
| emptyDesc.entryCount = 0; |
| emptyDesc.entries = nullptr; |
| |
| wgpu::BindGroupLayout emptyBindGroupLayout = device.CreateBindGroupLayout(&emptyDesc); |
| |
| // Check that the rest of the bind group layouts reflect the empty one. |
| EXPECT_EQ(pipeline.GetBindGroupLayout(1).Get(), emptyBindGroupLayout.Get()); |
| EXPECT_EQ(pipeline.GetBindGroupLayout(2).Get(), emptyBindGroupLayout.Get()); |
| EXPECT_EQ(pipeline.GetBindGroupLayout(3).Get(), emptyBindGroupLayout.Get()); |
| } |
| } |
| |
| // Test that fragment output validation is for the correct entryPoint |
| TEST_F(GetBindGroupLayoutTests, FromCorrectEntryPoint) { |
| wgpu::ShaderModule module = utils::CreateShaderModule(device, R"( |
| struct Data { |
| data : f32; |
| }; |
| [[group(0), binding(0)]] var<storage, read_write> data0 : Data; |
| [[group(0), binding(1)]] var<storage, read_write> data1 : Data; |
| |
| [[stage(compute), workgroup_size(1)]] fn compute0() { |
| data0.data = 0.0; |
| } |
| |
| [[stage(compute), workgroup_size(1)]] fn compute1() { |
| data1.data = 0.0; |
| } |
| )"); |
| |
| wgpu::ComputePipelineDescriptor pipelineDesc; |
| pipelineDesc.compute.module = module; |
| |
| // Get each entryPoint's BGL. |
| pipelineDesc.compute.entryPoint = "compute0"; |
| wgpu::ComputePipeline pipeline0 = device.CreateComputePipeline(&pipelineDesc); |
| wgpu::BindGroupLayout bgl0 = pipeline0.GetBindGroupLayout(0); |
| |
| pipelineDesc.compute.entryPoint = "compute1"; |
| wgpu::ComputePipeline pipeline1 = device.CreateComputePipeline(&pipelineDesc); |
| wgpu::BindGroupLayout bgl1 = pipeline1.GetBindGroupLayout(0); |
| |
| // Create the buffer used in the bindgroups. |
| wgpu::BufferDescriptor bufferDesc; |
| bufferDesc.size = 4; |
| bufferDesc.usage = wgpu::BufferUsage::Storage; |
| wgpu::Buffer buffer = device.CreateBuffer(&bufferDesc); |
| |
| // Success case, the BGL matches the descriptor for the bindgroup. |
| utils::MakeBindGroup(device, bgl0, {{0, buffer}}); |
| utils::MakeBindGroup(device, bgl1, {{1, buffer}}); |
| |
| // Error case, the BGL doesn't match the descriptor for the bindgroup. |
| ASSERT_DEVICE_ERROR(utils::MakeBindGroup(device, bgl0, {{1, buffer}})); |
| ASSERT_DEVICE_ERROR(utils::MakeBindGroup(device, bgl1, {{0, buffer}})); |
| } |
