| // 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 "utils/ComboRenderPipelineDescriptor.h" |
| |
| #include "utils/DawnHelpers.h" |
| |
| namespace utils { |
| |
| ComboInputStateDescriptor::ComboInputStateDescriptor() { |
| dawn::InputStateDescriptor* descriptor = this; |
| |
| descriptor->indexFormat = dawn::IndexFormat::Uint32; |
| |
| // Fill the default values for vertexInput. |
| descriptor->numInputs = 0; |
| dawn::VertexInputDescriptor vertexInput; |
| vertexInput.inputSlot = 0; |
| vertexInput.stride = 0; |
| vertexInput.stepMode = dawn::InputStepMode::Vertex; |
| for (uint32_t i = 0; i < kMaxVertexInputs; ++i) { |
| cInputs[i] = vertexInput; |
| } |
| descriptor->inputs = &cInputs[0]; |
| |
| // Fill the default values for vertexAttribute. |
| descriptor->numAttributes = 0; |
| dawn::VertexAttributeDescriptor vertexAttribute; |
| vertexAttribute.shaderLocation = 0; |
| vertexAttribute.inputSlot = 0; |
| vertexAttribute.offset = 0; |
| vertexAttribute.format = dawn::VertexFormat::Float; |
| for (uint32_t i = 0; i < kMaxVertexAttributes; ++i) { |
| cAttributes[i] = vertexAttribute; |
| } |
| descriptor->attributes = &cAttributes[0]; |
| } |
| |
| ComboRenderPipelineDescriptor::ComboRenderPipelineDescriptor(const dawn::Device& device) { |
| dawn::RenderPipelineDescriptor* descriptor = this; |
| |
| descriptor->primitiveTopology = dawn::PrimitiveTopology::TriangleList; |
| descriptor->sampleCount = 1; |
| |
| // Set defaults for the vertex stage descriptor. |
| { |
| descriptor->vertexStage = &cVertexStage; |
| cVertexStage.entryPoint = "main"; |
| } |
| |
| // Set defaults for the fragment stage desriptor. |
| { |
| descriptor->fragmentStage = &cFragmentStage; |
| cFragmentStage.entryPoint = "main"; |
| } |
| |
| // Set defaults for the input state descriptors. |
| descriptor->inputState = &cInputState; |
| |
| // Set defaults for the color state descriptors. |
| { |
| descriptor->colorStateCount = 1; |
| descriptor->colorStates = &cColorStates[0]; |
| |
| dawn::BlendDescriptor blend; |
| blend.operation = dawn::BlendOperation::Add; |
| blend.srcFactor = dawn::BlendFactor::One; |
| blend.dstFactor = dawn::BlendFactor::Zero; |
| dawn::ColorStateDescriptor colorStateDescriptor; |
| colorStateDescriptor.format = dawn::TextureFormat::R8G8B8A8Unorm; |
| colorStateDescriptor.alphaBlend = blend; |
| colorStateDescriptor.colorBlend = blend; |
| colorStateDescriptor.colorWriteMask = dawn::ColorWriteMask::All; |
| for (uint32_t i = 0; i < kMaxColorAttachments; ++i) { |
| mColorStates[i] = colorStateDescriptor; |
| cColorStates[i] = &mColorStates[i]; |
| } |
| } |
| |
| // Set defaults for the depth stencil state descriptors. |
| { |
| dawn::StencilStateFaceDescriptor stencilFace; |
| stencilFace.compare = dawn::CompareFunction::Always; |
| stencilFace.failOp = dawn::StencilOperation::Keep; |
| stencilFace.depthFailOp = dawn::StencilOperation::Keep; |
| stencilFace.passOp = dawn::StencilOperation::Keep; |
| |
| cDepthStencilState.format = dawn::TextureFormat::D32FloatS8Uint; |
| cDepthStencilState.depthWriteEnabled = false; |
| cDepthStencilState.depthCompare = dawn::CompareFunction::Always; |
| cDepthStencilState.stencilBack = stencilFace; |
| cDepthStencilState.stencilFront = stencilFace; |
| cDepthStencilState.stencilReadMask = 0xff; |
| cDepthStencilState.stencilWriteMask = 0xff; |
| descriptor->depthStencilState = nullptr; |
| } |
| |
| descriptor->layout = utils::MakeBasicPipelineLayout(device, nullptr); |
| } |
| |
| } // namespace utils |