1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_OPENGLES20_H_ 12 #define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_OPENGLES20_H_ 13 14 #include "webrtc/modules/video_render/include/video_render_defines.h" 15 16 #include <GLES2/gl2.h> 17 #include <GLES2/gl2ext.h> 18 19 namespace webrtc 20 { 21 22 class VideoRenderOpenGles20 { 23 public: 24 VideoRenderOpenGles20(int32_t id); 25 ~VideoRenderOpenGles20(); 26 27 int32_t Setup(int32_t widht, int32_t height); 28 int32_t Render(const I420VideoFrame& frameToRender); 29 int32_t SetCoordinates(int32_t zOrder, const float left, const float top, 30 const float right, const float bottom); 31 32 private: 33 void printGLString(const char *name, GLenum s); 34 void checkGlError(const char* op); 35 GLuint loadShader(GLenum shaderType, const char* pSource); 36 GLuint createProgram(const char* pVertexSource, 37 const char* pFragmentSource); 38 void SetupTextures(const I420VideoFrame& frameToRender); 39 void UpdateTextures(const I420VideoFrame& frameToRender); 40 41 int32_t _id; 42 GLuint _textureIds[3]; // Texture id of Y,U and V texture. 43 GLuint _program; 44 GLsizei _textureWidth; 45 GLsizei _textureHeight; 46 47 GLfloat _vertices[20]; 48 static const char g_indices[]; 49 50 static const char g_vertextShader[]; 51 static const char g_fragmentShader[]; 52 53 }; 54 55 } // namespace webrtc 56 57 #endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_OPENGLES20_H_ 58
