1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef NATIVE_XCOMPONENT_EGL_CORE_H 16 #define NATIVE_XCOMPONENT_EGL_CORE_H 17 18 #include <EGL/egl.h> 19 #include <EGL/eglext.h> 20 #include <GLES3/gl3.h> 21 #include <string> 22 23 namespace NativeXComponentSample { 24 class EGLCore { 25 public: EGLCore()26 explicit EGLCore() {}; ~EGLCore()27 ~EGLCore() {} 28 bool EglContextInit(void* window, int width, int height); 29 bool CreateEnvironment(); 30 void Draw(int& hasDraw); 31 void DrawBmp(uint32_t fd, uint32_t off, uint32_t len, int& hasDraw); 32 void Background(); 33 void TRBackground(); 34 void ChangeColor(int& hasChangeColor); 35 void Release(); 36 void UpdateSize(int width, int height); 37 38 uint32_t fd_; 39 uint32_t foff_; 40 uint32_t flen_; 41 private: 42 GLuint LoadShader(GLenum type, const char* shaderSrc); 43 GLuint CreateProgram(const char* vertexShader, const char* fragShader); 44 GLuint TRCreateProgram(const char *vertexShader, const char *fragShader); 45 GLint PrepareDraw(); 46 bool ExecuteDrawBG(GLint position, const GLfloat* color, const GLfloat shapeVertices[], unsigned long vertSize); 47 bool ExecuteDrawStar(GLint position, const GLfloat* color, const GLfloat shapeVertices[], unsigned long vertSize); 48 bool ExecuteDrawNewStar(GLint position, const GLfloat* color, 49 const GLfloat shapeVertices[], unsigned long vertSize); 50 void Rotate2d(GLfloat centerX, GLfloat centerY, GLfloat* rotateX, GLfloat* rotateY, GLfloat theta); 51 bool FinishDraw(); 52 GLuint LoadTexture(); 53 void CheckCompileErrors(unsigned int shader, std::string type); 54 void Display(GLuint texID); 55 56 private: 57 EGLNativeWindowType eglWindow_; 58 EGLDisplay eglDisplay_ = EGL_NO_DISPLAY; 59 EGLConfig eglConfig_ = EGL_NO_CONFIG_KHR; 60 EGLSurface eglSurface_ = EGL_NO_SURFACE; 61 EGLContext eglContext_ = EGL_NO_CONTEXT; 62 GLuint program_; 63 bool flag_ = false; 64 int width_; 65 int height_; 66 GLfloat widthPercent_; 67 }; 68 } // namespace NativeXComponentSample 69 #endif // NATIVE_XCOMPONENT_EGL_CORE_H 70