/* * 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 <Transform.h> #include "RenderEngine.h" #include "ProgramCache.h" #include "Description.h" // --------------------------------------------------------------------------- namespace android { // --------------------------------------------------------------------------- class String8; class Mesh; class Texture; class GLES20RenderEngine : public 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; Vector<Group> mGroupStack; 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(); protected: virtual ~GLES20RenderEngine(); virtual void dump(String8& result); virtual void setViewportAndProjection(size_t vpw, size_t vph, Rect sourceCrop, size_t hwh, bool yswap, Transform::orientation_flags rotation); virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, int alpha); virtual void setupDimLayerBlending(int alpha); virtual void setupLayerTexturing(const Texture& texture); virtual void setupLayerBlackedOut(); virtual void setupFillWithColor(float r, float g, float b, float a); virtual void disableTexturing(); virtual void disableBlending(); virtual void drawMesh(const Mesh& mesh); virtual void beginGroup(const mat4& colorTransform); virtual void endGroup(); virtual size_t getMaxTextureSize() const; virtual size_t getMaxViewportDims() const; }; // --------------------------------------------------------------------------- }; // namespace android // --------------------------------------------------------------------------- #endif /* SF_GLES20RENDERENGINE_H_ */