| // Copyright 2017 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef SRC_DAWN_NATIVE_RENDERPIPELINE_H_ |
| #define SRC_DAWN_NATIVE_RENDERPIPELINE_H_ |
| |
| #include <array> |
| #include <bitset> |
| #include <vector> |
| |
| #include "dawn/common/ContentLessObjectCacheable.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 { |
| |
| enum class VertexFormatBaseType { |
| Float, |
| Uint, |
| Sint, |
| }; |
| |
| struct VertexFormatInfo { |
| uint32_t byteSize; |
| uint32_t componentCount; |
| VertexFormatBaseType baseType; |
| }; |
| |
| const VertexFormatInfo& GetVertexFormatInfo(wgpu::VertexFormat format); |
| |
| 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); |
| |
| 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 ContentLessObjectCacheable<RenderPipelineBase> { |
| public: |
| RenderPipelineBase(DeviceBase* device, const UnpackedPtr<RenderPipelineDescriptor>& descriptor); |
| ~RenderPipelineBase() override; |
| |
| static Ref<RenderPipelineBase> MakeError(DeviceBase* device, const char* label); |
| |
| ObjectType GetType() const override; |
| |
| // Vertex getters |
| const VertexAttributeMask& GetAttributeLocationsUsed() const; |
| const VertexAttributeInfo& GetAttribute(VertexAttributeLocation location) const; |
| const VertexBufferMask& GetVertexBuffersUsed() const; |
| const VertexBufferMask& GetVertexBuffersUsedAsVertexBuffer() const; |
| const VertexBufferMask& GetVertexBuffersUsedAsInstanceBuffer() const; |
| const VertexBufferInfo& GetVertexBuffer(VertexBufferSlot slot) const; |
| uint32_t GetVertexBufferCount() const; |
| |
| // Color attachment getters |
| const ColorTargetState* GetColorTargetState(ColorAttachmentIndex attachmentSlot) const; |
| ColorAttachmentMask GetColorAttachmentsMask() const; |
| wgpu::TextureFormat GetColorAttachmentFormat(ColorAttachmentIndex attachment) const; |
| |
| // Primitive getters |
| wgpu::PrimitiveTopology GetPrimitiveTopology() const; |
| wgpu::IndexFormat GetStripIndexFormat() const; |
| wgpu::CullMode GetCullMode() const; |
| wgpu::FrontFace GetFrontFace() const; |
| |
| // Depth-stencil getters |
| const DepthStencilState* GetDepthStencilState() const; |
| bool HasDepthStencilAttachment() const; |
| bool UsesStencil() const; |
| wgpu::TextureFormat GetDepthStencilFormat() const; |
| bool IsDepthBiasEnabled() const; |
| int32_t GetDepthBias() const; |
| float GetDepthBiasSlopeScale() const; |
| float GetDepthBiasClamp() const; |
| bool HasUnclippedDepth() const; |
| |
| // Multisample getters |
| uint32_t GetSampleCount() const; |
| uint32_t GetSampleMask() const; |
| bool IsAlphaToCoverageEnabled() const; |
| |
| // Shader builtin getters |
| bool WritesDepth() const; |
| bool WritesStencil() const; |
| bool UsesFragDepth() const; |
| bool UsesVertexIndex() const; |
| bool UsesInstanceIndex() 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; |
| }; |
| |
| static constexpr wgpu::TextureFormat kImplicitPLSSlotFormat = wgpu::TextureFormat::R32Uint; |
| |
| protected: |
| void DestroyImpl() override; |
| |
| private: |
| RenderPipelineBase(DeviceBase* device, ObjectBase::ErrorTag tag, const char* label); |
| |
| // Vertex state |
| uint32_t mVertexBufferCount; |
| VertexAttributeMask mAttributeLocationsUsed; |
| PerVertexAttribute<VertexAttributeInfo> mAttributeInfos; |
| VertexBufferMask mVertexBuffersUsed; |
| VertexBufferMask mVertexBuffersUsedAsVertexBuffer; |
| VertexBufferMask mVertexBuffersUsedAsInstanceBuffer; |
| PerVertexBuffer<VertexBufferInfo> mVertexBufferInfos; |
| |
| // Attachments |
| Ref<AttachmentState> mAttachmentState; |
| PerColorAttachment<ColorTargetState> mTargets; |
| PerColorAttachment<BlendState> mTargetBlend; |
| |
| // Other state |
| PrimitiveState mPrimitive; |
| DepthStencilState mDepthStencil; |
| MultisampleState mMultisample; |
| bool mUnclippedDepth = false; |
| bool mWritesDepth = false; |
| bool mWritesStencil = false; |
| bool mUsesFragDepth = false; |
| bool mUsesVertexIndex = false; |
| bool mUsesInstanceIndex = false; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_RENDERPIPELINE_H_ |