| // Copyright 2018 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_RENDERPASSENCODER_H_ |
| #define SRC_DAWN_NATIVE_RENDERPASSENCODER_H_ |
| |
| #include <vector> |
| |
| #include "dawn/native/Error.h" |
| #include "dawn/native/Forward.h" |
| #include "dawn/native/RenderEncoderBase.h" |
| |
| namespace dawn::native { |
| |
| class RenderBundleBase; |
| |
| class RenderPassEncoder final : public RenderEncoderBase { |
| public: |
| static Ref<RenderPassEncoder> Create(DeviceBase* device, |
| const UnpackedPtr<RenderPassDescriptor>& descriptor, |
| CommandEncoder* commandEncoder, |
| EncodingContext* encodingContext, |
| RenderPassResourceUsageTracker usageTracker, |
| Ref<AttachmentState> attachmentState, |
| uint32_t renderTargetWidth, |
| uint32_t renderTargetHeight, |
| bool depthReadOnly, |
| bool stencilReadOnly, |
| std::function<void()> endCallback = nullptr); |
| static Ref<RenderPassEncoder> MakeError(DeviceBase* device, |
| CommandEncoder* commandEncoder, |
| EncodingContext* encodingContext, |
| const char* label); |
| |
| ~RenderPassEncoder() override; |
| |
| ObjectType GetType() const override; |
| |
| // NOTE: this will lock the device internally. To avoid deadlock when the device is already |
| // locked, use End() instead. |
| void APIEnd(); |
| |
| void APISetStencilReference(uint32_t reference); |
| void APISetBlendConstant(const Color* color); |
| void APISetViewport(float x, |
| float y, |
| float width, |
| float height, |
| float minDepth, |
| float maxDepth); |
| void APISetScissorRect(uint32_t x, uint32_t y, uint32_t width, uint32_t height); |
| void APIExecuteBundles(uint32_t count, RenderBundleBase* const* renderBundles); |
| |
| void APIBeginOcclusionQuery(uint32_t queryIndex); |
| void APIEndOcclusionQuery(); |
| |
| void APIWriteTimestamp(QuerySetBase* querySet, uint32_t queryIndex); |
| |
| void APIPixelLocalStorageBarrier(); |
| |
| // Internal code that already locked the device should call this method instead of |
| // APIEnd() to avoid the device being locked again. |
| void End(); |
| |
| protected: |
| RenderPassEncoder(DeviceBase* device, |
| const UnpackedPtr<RenderPassDescriptor>& descriptor, |
| CommandEncoder* commandEncoder, |
| EncodingContext* encodingContext, |
| RenderPassResourceUsageTracker usageTracker, |
| Ref<AttachmentState> attachmentState, |
| uint32_t renderTargetWidth, |
| uint32_t renderTargetHeight, |
| bool depthReadOnly, |
| bool stencilReadOnly, |
| std::function<void()> endCallback = nullptr); |
| RenderPassEncoder(DeviceBase* device, |
| CommandEncoder* commandEncoder, |
| EncodingContext* encodingContext, |
| ErrorTag errorTag, |
| const char* label); |
| |
| private: |
| void DestroyImpl() override; |
| |
| void TrackQueryAvailability(QuerySetBase* querySet, uint32_t queryIndex); |
| |
| // For render and compute passes, the encoding context is borrowed from the command encoder. |
| // Keep a reference to the encoder to make sure the context isn't freed. |
| Ref<CommandEncoder> mCommandEncoder; |
| |
| uint32_t mRenderTargetWidth; |
| uint32_t mRenderTargetHeight; |
| |
| // The resources for occlusion query |
| Ref<QuerySetBase> mOcclusionQuerySet; |
| uint32_t mCurrentOcclusionQueryIndex = 0; |
| bool mOcclusionQueryActive = false; |
| |
| // This is the hardcoded value in the WebGPU spec. |
| uint64_t mMaxDrawCount = 50000000; |
| |
| std::function<void()> mEndCallback; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_RENDERPASSENCODER_H_ |