| // 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 { |
| |
| ComboRenderPipelineDescriptor::ComboRenderPipelineDescriptor(const dawn::Device& device) { |
| dawn::RenderPipelineDescriptor* descriptor = this; |
| |
| descriptor->indexFormat = dawn::IndexFormat::Uint32; |
| 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 attachment states. |
| { |
| descriptor->attachmentsState = &cAttachmentsState; |
| cAttachmentsState.numColorAttachments = 1; |
| cAttachmentsState.colorAttachments = &cColorAttachments[0]; |
| cAttachmentsState.depthStencilAttachment = &cDepthStencilAttachment; |
| cAttachmentsState.hasDepthStencilAttachment = false; |
| |
| for (uint32_t i = 0; i < kMaxColorAttachments; ++i) { |
| cColorAttachments[i].format = dawn::TextureFormat::R8G8B8A8Unorm; |
| } |
| } |
| |
| descriptor->inputState = device.CreateInputStateBuilder().GetResult(); |
| descriptor->depthStencilState = device.CreateDepthStencilStateBuilder().GetResult(); |
| descriptor->layout = utils::MakeBasicPipelineLayout(device, nullptr); |
| |
| descriptor->numBlendStates = 1; |
| descriptor->blendStates = &cBlendStates[0]; |
| |
| dawn::BlendDescriptor blend; |
| blend.operation = dawn::BlendOperation::Add; |
| blend.srcFactor = dawn::BlendFactor::One; |
| blend.dstFactor = dawn::BlendFactor::Zero; |
| dawn::BlendStateDescriptor blendStateDescriptor; |
| blendStateDescriptor.nextInChain = nullptr; |
| blendStateDescriptor.blendEnabled = false; |
| blendStateDescriptor.alphaBlend = blend; |
| blendStateDescriptor.colorBlend = blend; |
| blendStateDescriptor.colorWriteMask = dawn::ColorWriteMask::All; |
| for (uint32_t i = 0; i < kMaxColorAttachments; ++i) { |
| cBlendStates[i] = blendStateDescriptor; |
| } |
| } |
| |
| } // namespace utils |