| // Copyright 2017 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. |
| |
| #ifndef DAWNNATIVE_RENDERPASSDESCRIPTOR_H_ |
| #define DAWNNATIVE_RENDERPASSDESCRIPTOR_H_ |
| |
| #include "common/Constants.h" |
| #include "dawn_native/Builder.h" |
| #include "dawn_native/Forward.h" |
| #include "dawn_native/RefCounted.h" |
| |
| #include "dawn_native/dawn_platform.h" |
| |
| #include <array> |
| #include <bitset> |
| #include <vector> |
| |
| namespace dawn_native { |
| |
| struct RenderPassColorAttachmentInfo { |
| dawn::LoadOp loadOp; |
| std::array<float, 4> clearColor = {{0.0f, 0.0f, 0.0f, 0.0f}}; |
| Ref<TextureViewBase> view; |
| }; |
| |
| struct RenderPassDepthStencilAttachmentInfo { |
| dawn::LoadOp depthLoadOp; |
| dawn::LoadOp stencilLoadOp; |
| float clearDepth = 1.0f; |
| uint32_t clearStencil = 0; |
| Ref<TextureViewBase> view; |
| }; |
| |
| // RenderPassDescriptor contains the list of attachments for a renderpass along with data such |
| // as the load operation and the clear values for the attachments. |
| |
| class RenderPassDescriptorBase : public RefCounted { |
| public: |
| RenderPassDescriptorBase(RenderPassDescriptorBuilder* builder); |
| |
| std::bitset<kMaxColorAttachments> GetColorAttachmentMask() const; |
| bool HasDepthStencilAttachment() const; |
| |
| const RenderPassColorAttachmentInfo& GetColorAttachment(uint32_t attachment) const; |
| RenderPassColorAttachmentInfo& GetColorAttachment(uint32_t attachment); |
| const RenderPassDepthStencilAttachmentInfo& GetDepthStencilAttachment() const; |
| RenderPassDepthStencilAttachmentInfo& GetDepthStencilAttachment(); |
| |
| // All attachments of the render pass have the same size, these return that size. |
| uint32_t GetWidth() const; |
| uint32_t GetHeight() const; |
| |
| DeviceBase* GetDevice() const; |
| |
| private: |
| std::bitset<kMaxColorAttachments> mColorAttachmentsSet; |
| std::array<RenderPassColorAttachmentInfo, kMaxColorAttachments> mColorAttachments; |
| |
| bool mDepthStencilAttachmentSet; |
| RenderPassDepthStencilAttachmentInfo mDepthStencilAttachment; |
| |
| uint32_t mWidth; |
| uint32_t mHeight; |
| |
| DeviceBase* mDevice; |
| }; |
| |
| class RenderPassDescriptorBuilder : public Builder<RenderPassDescriptorBase> { |
| public: |
| RenderPassDescriptorBuilder(DeviceBase* device); |
| |
| // Dawn API |
| RenderPassDescriptorBase* GetResultImpl() override; |
| void SetColorAttachment(uint32_t attachment, |
| TextureViewBase* textureView, |
| dawn::LoadOp loadOp); |
| void SetColorAttachmentClearColor(uint32_t attachment, |
| float clearR, |
| float clearG, |
| float clearB, |
| float clearA); |
| void SetDepthStencilAttachment(TextureViewBase* textureView, |
| dawn::LoadOp depthLoadOp, |
| dawn::LoadOp stencilLoadOp); |
| void SetDepthStencilAttachmentClearValue(float clearDepth, uint32_t clearStencil); |
| |
| private: |
| friend class RenderPassDescriptorBase; |
| |
| std::bitset<kMaxColorAttachments> mColorAttachmentsSet; |
| std::array<RenderPassColorAttachmentInfo, kMaxColorAttachments> mColorAttachments; |
| |
| bool mDepthStencilAttachmentSet = false; |
| RenderPassDepthStencilAttachmentInfo mDepthStencilAttachment; |
| |
| uint32_t mWidth = 0; |
| uint32_t mHeight = 0; |
| }; |
| |
| } // namespace dawn_native |
| |
| #endif // DAWNNATIVE_RENDERPASS_H_ |