| // Copyright 2019 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_ATTACHMENTSTATE_H_ |
| #define SRC_DAWN_NATIVE_ATTACHMENTSTATE_H_ |
| |
| #include <array> |
| #include <bitset> |
| #include <vector> |
| |
| #include "dawn/common/Constants.h" |
| #include "dawn/common/ContentLessObjectCacheable.h" |
| #include "dawn/common/ityp_array.h" |
| #include "dawn/common/ityp_bitset.h" |
| #include "dawn/native/CachedObject.h" |
| #include "dawn/native/IntegerTypes.h" |
| #include "dawn/native/ObjectBase.h" |
| |
| #include "dawn/native/dawn_platform.h" |
| |
| namespace dawn::native { |
| |
| class DeviceBase; |
| |
| class AttachmentState final : public ObjectBase, |
| public CachedObject, |
| public ContentLessObjectCacheable<AttachmentState> { |
| public: |
| struct ExpandResolveInfo { |
| // Mask indicates which attachments use `ExpandResolveTexture` load op. |
| ColorAttachmentMask attachmentsToExpandResolve; |
| // Mask indicates which attachments have resolve target. Only enabled if |
| // attachmentsToExpandResolve has any bit set. |
| ColorAttachmentMask resolveTargetsMask; |
| }; |
| |
| // Note: Descriptors must be validated before the AttachmentState is constructed. |
| explicit AttachmentState(DeviceBase* device, const RenderBundleEncoderDescriptor* descriptor); |
| explicit AttachmentState(DeviceBase* device, |
| const UnpackedPtr<RenderPipelineDescriptor>& descriptor, |
| const PipelineLayoutBase* layout); |
| explicit AttachmentState(DeviceBase* device, |
| const UnpackedPtr<RenderPassDescriptor>& descriptor); |
| |
| // Constructor used to avoid re-parsing descriptors when we already parsed them for cache keys. |
| AttachmentState(const AttachmentState& blueprint); |
| |
| ColorAttachmentMask GetColorAttachmentsMask() const; |
| wgpu::TextureFormat GetColorAttachmentFormat(ColorAttachmentIndex index) const; |
| bool HasDepthStencilAttachment() const; |
| wgpu::TextureFormat GetDepthStencilFormat() const; |
| uint32_t GetSampleCount() const; |
| const ExpandResolveInfo& GetExpandResolveInfo() const; |
| bool HasPixelLocalStorage() const; |
| const std::vector<wgpu::TextureFormat>& GetStorageAttachmentSlots() const; |
| std::vector<ColorAttachmentIndex> ComputeStorageAttachmentPackingInColorAttachments() const; |
| |
| struct EqualityFunc { |
| bool operator()(const AttachmentState* a, const AttachmentState* b) const; |
| }; |
| size_t ComputeContentHash() override; |
| |
| protected: |
| void DeleteThis() override; |
| |
| private: |
| ColorAttachmentMask mColorAttachmentsSet; |
| PerColorAttachment<wgpu::TextureFormat> mColorFormats; |
| // Default (texture format Undefined) indicates there is no depth stencil attachment. |
| wgpu::TextureFormat mDepthStencilFormat = wgpu::TextureFormat::Undefined; |
| uint32_t mSampleCount = 0; |
| |
| ExpandResolveInfo mExpandResolveInfo; |
| |
| bool mHasPLS = false; |
| std::vector<wgpu::TextureFormat> mStorageAttachmentSlots; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_ATTACHMENTSTATE_H_ |