| /* |
| * Copyright 2013 The Android Open Source Project |
| * |
| * 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 SF_GLES20RENDERENGINE_H_ |
| #define SF_GLES20RENDERENGINE_H_ |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <GLES2/gl2.h> |
| #include <renderengine/RenderEngine.h> |
| #include <renderengine/private/Description.h> |
| |
| namespace android { |
| |
| class String8; |
| |
| namespace renderengine { |
| |
| class Mesh; |
| class Texture; |
| |
| namespace gl { |
| |
| class GLImage; |
| class GLSurface; |
| |
| class GLES20RenderEngine : public impl::RenderEngine { |
| GLuint mProtectedTexName; |
| GLint mMaxViewportDims[2]; |
| GLint mMaxTextureSize; |
| GLuint mVpWidth; |
| GLuint mVpHeight; |
| |
| struct Group { |
| GLuint texture; |
| GLuint fbo; |
| GLuint width; |
| GLuint height; |
| mat4 colorTransform; |
| }; |
| |
| Description mState; |
| |
| virtual void bindImageAsFramebuffer(EGLImageKHR image, uint32_t* texName, uint32_t* fbName, |
| uint32_t* status); |
| virtual void unbindFramebuffer(uint32_t texName, uint32_t fbName); |
| |
| public: |
| GLES20RenderEngine(uint32_t featureFlags); // See RenderEngine::FeatureFlag |
| virtual ~GLES20RenderEngine(); |
| |
| std::unique_ptr<renderengine::Surface> createSurface() override; |
| std::unique_ptr<renderengine::Image> createImage() override; |
| |
| void primeCache() const override; |
| |
| bool isCurrent() const; |
| bool setCurrentSurface(const Surface& surface) override; |
| void resetCurrentSurface() override; |
| |
| void bindExternalTextureImage(uint32_t texName, const renderengine::Image& image) override; |
| |
| |
| protected: |
| virtual void dump(String8& result); |
| virtual void setViewportAndProjection(size_t vpw, size_t vph, Rect sourceCrop, size_t hwh, |
| bool yswap, ui::Transform::orientation_flags rotation); |
| virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, bool disableTexture, |
| const half4& color) override; |
| |
| // Color management related functions and state |
| void setSourceY410BT2020(bool enable) override; |
| void setSourceDataSpace(ui::Dataspace source) override; |
| void setOutputDataSpace(ui::Dataspace dataspace) override; |
| void setDisplayMaxLuminance(const float maxLuminance) override; |
| |
| virtual void setupLayerTexturing(const Texture& texture); |
| virtual void setupLayerBlackedOut(); |
| virtual void setupFillWithColor(float r, float g, float b, float a); |
| virtual void setupColorTransform(const mat4& colorTransform); |
| virtual void disableTexturing(); |
| virtual void disableBlending(); |
| |
| virtual void drawMesh(const Mesh& mesh); |
| |
| virtual size_t getMaxTextureSize() const; |
| virtual size_t getMaxViewportDims() const; |
| |
| // Current dataspace of layer being rendered |
| ui::Dataspace mDataSpace = ui::Dataspace::UNKNOWN; |
| |
| // Current output dataspace of the render engine |
| ui::Dataspace mOutputDataSpace = ui::Dataspace::UNKNOWN; |
| |
| // Whether device supports color management, currently color management |
| // supports sRGB, DisplayP3 color spaces. |
| const bool mUseColorManagement = false; |
| mat4 mSrgbToDisplayP3; |
| mat4 mDisplayP3ToSrgb; |
| mat3 mSrgbToXyz; |
| mat3 mBt2020ToXyz; |
| mat3 mDisplayP3ToXyz; |
| mat4 mXyzToSrgb; |
| mat4 mXyzToDisplayP3; |
| mat4 mXyzToBt2020; |
| |
| private: |
| // A data space is considered HDR data space if it has BT2020 color space |
| // with PQ or HLG transfer function. |
| bool isHdrDataSpace(const ui::Dataspace dataSpace) const; |
| bool needsXYZTransformMatrix() const; |
| }; |
| |
| } // namespace gl |
| } // namespace renderengine |
| } // namespace android |
| |
| #endif /* SF_GLES20RENDERENGINE_H_ */ |