RenderEngine.h revision 458197de008be8fe561286b09f4edddb2f5c540a
1875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian/* 2875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * Copyright 2013 The Android Open Source Project 3875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * 4875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 5875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * you may not use this file except in compliance with the License. 6875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * You may obtain a copy of the License at 7875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * 8875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 9875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * 10875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * Unless required by applicable law or agreed to in writing, software 11875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 12875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * See the License for the specific language governing permissions and 14875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian * limitations under the License. 15875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian */ 16875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 17875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 18875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian#ifndef SF_RENDERENGINE_H_ 19875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian#define SF_RENDERENGINE_H_ 20875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 21875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian#include <stdint.h> 22875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian#include <sys/types.h> 23875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 24875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian#include <EGL/egl.h> 253f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian#include <EGL/eglext.h> 26875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 27875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian// --------------------------------------------------------------------------- 28875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopiannamespace android { 29875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian// --------------------------------------------------------------------------- 30875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 31875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopianclass String8; 323f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopianclass Rect; 333f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopianclass Region; 343f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopianclass Mesh; 35875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 36875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopianclass RenderEngine { 37875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian enum GlesVersion { 38875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian GLES_VERSION_1_0 = 0x10000, 39875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian GLES_VERSION_1_1 = 0x10001, 40875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian GLES_VERSION_2_0 = 0x20000, 41875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian GLES_VERSION_3_0 = 0x30000, 42875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian }; 43875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian static GlesVersion parseGlesVersion(const char* str); 44875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 45875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian EGLContext mEGLContext; 46875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian void setEGLContext(EGLContext ctxt); 47875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 48458197de008be8fe561286b09f4edddb2f5c540aMathias Agopian virtual void bindImageAsFramebuffer(EGLImageKHR image, uint32_t* texName, uint32_t* fbName, uint32_t* status) = 0; 49458197de008be8fe561286b09f4edddb2f5c540aMathias Agopian virtual void unbindFramebuffer(uint32_t texName, uint32_t fbName) = 0; 50458197de008be8fe561286b09f4edddb2f5c540aMathias Agopian 51875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopianprotected: 52875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian RenderEngine(); 53875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian virtual ~RenderEngine() = 0; 54875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 55875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopianpublic: 56875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian static RenderEngine* create(EGLDisplay display, EGLConfig config); 57875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 58458197de008be8fe561286b09f4edddb2f5c540aMathias Agopian // dump the extension strings. always call the base class. 59458197de008be8fe561286b09f4edddb2f5c540aMathias Agopian virtual void dump(String8& result); 60458197de008be8fe561286b09f4edddb2f5c540aMathias Agopian 613f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // helpers 623f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void clearWithColor(float red, float green, float blue, float alpha); 633f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void fillRegionWithColor(const Region& region, uint32_t height, 643f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian float red, float green, float blue, float alpha); 653f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 663f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // common to all GL versions 673f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void setScissor(uint32_t left, uint32_t bottom, uint32_t right, uint32_t top); 683f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void disableScissor(); 693f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void genTextures(size_t count, uint32_t* names); 703f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian void deleteTextures(size_t count, uint32_t const* names); 713f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 723f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian class BindImageAsFramebuffer { 733f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian RenderEngine& mEngine; 74458197de008be8fe561286b09f4edddb2f5c540aMathias Agopian uint32_t mTexName, mFbName; 75458197de008be8fe561286b09f4edddb2f5c540aMathias Agopian uint32_t mStatus; 763f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian public: 773f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian BindImageAsFramebuffer(RenderEngine& engine, EGLImageKHR image); 783f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian ~BindImageAsFramebuffer(); 793f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian int getStatus() const; 803f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian }; 81875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 823f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // set-up 833f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian virtual void checkErrors() const; 843f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian virtual void setViewportAndProjection(size_t vpw, size_t vph, size_t w, size_t h, bool yswap) = 0; 85875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, int alpha) = 0; 86875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian virtual void setupDimLayerBlending(int alpha) = 0; 87875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian virtual void setupLayerTexturing(size_t textureName, bool useFiltering, const float* textureMatrix) = 0; 88875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian virtual void setupLayerBlackedOut() = 0; 89875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 90875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian virtual void disableTexturing() = 0; 91875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian virtual void disableBlending() = 0; 92875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 933f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // drawing 943f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian virtual void fillWithColor(const Mesh& mesh, float r, float g, float b, float a) = 0; 953f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian virtual void drawMesh(const Mesh& mesh) = 0; 96875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 973f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian // queries 98875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian virtual size_t getMaxTextureSize() const = 0; 99875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian virtual size_t getMaxViewportDims() const = 0; 100875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 1013f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 1023f84483382be2d528918cc1a6fbc6a7d68e0b181Mathias Agopian 103875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian EGLContext getEGLContext() const; 104875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian}; 105875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 106875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian// --------------------------------------------------------------------------- 107875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian}; // namespace android 108875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian// --------------------------------------------------------------------------- 109875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian 110875d8e1323536e16dcfc90c9674d7ad32116a69aMathias Agopian#endif /* SF_RENDERENGINE_H_ */ 111