| // Copyright 2018 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_RENDERPASSENCODER_H_ |
| #define DAWNNATIVE_RENDERPASSENCODER_H_ |
| |
| #include "dawn_native/Error.h" |
| #include "dawn_native/RenderEncoderBase.h" |
| |
| namespace dawn_native { |
| |
| class RenderBundleBase; |
| |
| class RenderPassEncoder final : public RenderEncoderBase { |
| public: |
| RenderPassEncoder(DeviceBase* device, |
| CommandEncoder* commandEncoder, |
| EncodingContext* encodingContext, |
| RenderPassResourceUsageTracker usageTracker, |
| Ref<AttachmentState> attachmentState, |
| QuerySetBase* occlusionQuerySet, |
| uint32_t renderTargetWidth, |
| uint32_t renderTargetHeight); |
| |
| static RenderPassEncoder* MakeError(DeviceBase* device, |
| CommandEncoder* commandEncoder, |
| EncodingContext* encodingContext); |
| |
| void APIEndPass(); |
| |
| 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); |
| |
| protected: |
| RenderPassEncoder(DeviceBase* device, |
| CommandEncoder* commandEncoder, |
| EncodingContext* encodingContext, |
| ErrorTag errorTag); |
| |
| private: |
| 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; |
| }; |
| |
| } // namespace dawn_native |
| |
| #endif // DAWNNATIVE_RENDERPASSENCODER_H_ |