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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_OPENGLES20_H_
#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_OPENGLES20_H_
#include "webrtc/modules/video_render/include/video_render_defines.h"
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
namespace webrtc
{
class VideoRenderOpenGles20 {
public:
VideoRenderOpenGles20(int32_t id);
~VideoRenderOpenGles20();
int32_t Setup(int32_t widht, int32_t height);
int32_t Render(const VideoFrame& frameToRender);
int32_t SetCoordinates(int32_t zOrder, const float left, const float top,
const float right, const float bottom);
private:
void printGLString(const char *name, GLenum s);
void checkGlError(const char* op);
GLuint loadShader(GLenum shaderType, const char* pSource);
GLuint createProgram(const char* pVertexSource,
const char* pFragmentSource);
void SetupTextures(const VideoFrame& frameToRender);
void UpdateTextures(const VideoFrame& frameToRender);
int32_t _id;
GLuint _textureIds[3]; // Texture id of Y,U and V texture.
GLuint _program;
GLsizei _textureWidth;
GLsizei _textureHeight;
GLfloat _vertices[20];
static const char g_indices[];
static const char g_vertextShader[];
static const char g_fragmentShader[];
};
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_OPENGLES20_H_
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