| // 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 SRC_DAWN_NATIVE_RENDERPIPELINE_H_ |
| #define SRC_DAWN_NATIVE_RENDERPIPELINE_H_ |
| |
| #include <array> |
| #include <bitset> |
| #include <vector> |
| |
| #include "dawn/common/TypedInteger.h" |
| #include "dawn/native/AttachmentState.h" |
| #include "dawn/native/Forward.h" |
| #include "dawn/native/IntegerTypes.h" |
| #include "dawn/native/Pipeline.h" |
| |
| #include "dawn/native/dawn_platform.h" |
| |
| namespace dawn::native { |
| |
| class DeviceBase; |
| |
| MaybeError ValidateRenderPipelineDescriptor(DeviceBase* device, |
| const RenderPipelineDescriptor* descriptor); |
| |
| std::vector<StageAndDescriptor> GetRenderStagesAndSetPlaceholderShader( |
| DeviceBase* device, |
| const RenderPipelineDescriptor* descriptor); |
| |
| size_t IndexFormatSize(wgpu::IndexFormat format); |
| |
| bool IsStripPrimitiveTopology(wgpu::PrimitiveTopology primitiveTopology); |
| |
| bool StencilTestEnabled(const DepthStencilState* depthStencil); |
| |
| struct VertexAttributeInfo { |
| wgpu::VertexFormat format; |
| uint64_t offset; |
| VertexAttributeLocation shaderLocation; |
| VertexBufferSlot vertexBufferSlot; |
| }; |
| |
| struct VertexBufferInfo { |
| uint64_t arrayStride; |
| wgpu::VertexStepMode stepMode; |
| uint16_t usedBytesInStride; |
| // As indicated in the spec, the lastStride is max(attribute.offset + |
| // sizeof(attribute.format)) for each attribute in the buffer[slot] |
| uint64_t lastStride; |
| }; |
| |
| class RenderPipelineBase : public PipelineBase { |
| public: |
| RenderPipelineBase(DeviceBase* device, const RenderPipelineDescriptor* descriptor); |
| ~RenderPipelineBase() override; |
| |
| static RenderPipelineBase* MakeError(DeviceBase* device); |
| |
| ObjectType GetType() const override; |
| |
| const ityp::bitset<VertexAttributeLocation, kMaxVertexAttributes>& GetAttributeLocationsUsed() |
| const; |
| const VertexAttributeInfo& GetAttribute(VertexAttributeLocation location) const; |
| const ityp::bitset<VertexBufferSlot, kMaxVertexBuffers>& GetVertexBufferSlotsUsed() const; |
| const ityp::bitset<VertexBufferSlot, kMaxVertexBuffers>& |
| GetVertexBufferSlotsUsedAsVertexBuffer() const; |
| const ityp::bitset<VertexBufferSlot, kMaxVertexBuffers>& |
| GetVertexBufferSlotsUsedAsInstanceBuffer() const; |
| const VertexBufferInfo& GetVertexBuffer(VertexBufferSlot slot) const; |
| uint32_t GetVertexBufferCount() const; |
| |
| const ColorTargetState* GetColorTargetState(ColorAttachmentIndex attachmentSlot) const; |
| const DepthStencilState* GetDepthStencilState() const; |
| wgpu::PrimitiveTopology GetPrimitiveTopology() const; |
| wgpu::IndexFormat GetStripIndexFormat() const; |
| wgpu::CullMode GetCullMode() const; |
| wgpu::FrontFace GetFrontFace() const; |
| bool IsDepthBiasEnabled() const; |
| int32_t GetDepthBias() const; |
| float GetDepthBiasSlopeScale() const; |
| float GetDepthBiasClamp() const; |
| bool HasUnclippedDepth() const; |
| |
| ityp::bitset<ColorAttachmentIndex, kMaxColorAttachments> GetColorAttachmentsMask() const; |
| bool HasDepthStencilAttachment() const; |
| wgpu::TextureFormat GetColorAttachmentFormat(ColorAttachmentIndex attachment) const; |
| wgpu::TextureFormat GetDepthStencilFormat() const; |
| uint32_t GetSampleCount() const; |
| uint32_t GetSampleMask() const; |
| bool IsAlphaToCoverageEnabled() const; |
| bool WritesDepth() const; |
| bool WritesStencil() const; |
| bool UsesFragDepth() const; |
| |
| const AttachmentState* GetAttachmentState() const; |
| |
| // Functions necessary for the unordered_set<RenderPipelineBase*>-based cache. |
| size_t ComputeContentHash() override; |
| |
| struct EqualityFunc { |
| bool operator()(const RenderPipelineBase* a, const RenderPipelineBase* b) const; |
| }; |
| |
| protected: |
| void DestroyImpl() override; |
| |
| private: |
| RenderPipelineBase(DeviceBase* device, ObjectBase::ErrorTag tag); |
| |
| // Vertex state |
| uint32_t mVertexBufferCount; |
| ityp::bitset<VertexAttributeLocation, kMaxVertexAttributes> mAttributeLocationsUsed; |
| ityp::array<VertexAttributeLocation, VertexAttributeInfo, kMaxVertexAttributes> mAttributeInfos; |
| ityp::bitset<VertexBufferSlot, kMaxVertexBuffers> mVertexBufferSlotsUsed; |
| ityp::bitset<VertexBufferSlot, kMaxVertexBuffers> mVertexBufferSlotsUsedAsVertexBuffer; |
| ityp::bitset<VertexBufferSlot, kMaxVertexBuffers> mVertexBufferSlotsUsedAsInstanceBuffer; |
| ityp::array<VertexBufferSlot, VertexBufferInfo, kMaxVertexBuffers> mVertexBufferInfos; |
| |
| // Attachments |
| Ref<AttachmentState> mAttachmentState; |
| ityp::array<ColorAttachmentIndex, ColorTargetState, kMaxColorAttachments> mTargets; |
| ityp::array<ColorAttachmentIndex, BlendState, kMaxColorAttachments> mTargetBlend; |
| |
| // Other state |
| PrimitiveState mPrimitive; |
| DepthStencilState mDepthStencil; |
| MultisampleState mMultisample; |
| bool mUnclippedDepth = false; |
| bool mWritesDepth = false; |
| bool mWritesStencil = false; |
| bool mUsesFragDepth = false; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_RENDERPIPELINE_H_ |