webrtc/modules/video_render/main/source/Android/video_render_opengles20.h

62 lines
2.0 KiB
C++

/*
* Copyright (c) 2011 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 "video_render_defines.h"
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
namespace webrtc
{
class VideoRenderOpenGles20
{
public:
VideoRenderOpenGles20(WebRtc_Word32 id);
~VideoRenderOpenGles20();
WebRtc_Word32 Setup(WebRtc_Word32 widht, WebRtc_Word32 height);
WebRtc_Word32 Render(const VideoFrame& frameToRender);
WebRtc_Word32 SetCoordinates(WebRtc_Word32 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);
WebRtc_Word32 _id;
GLuint _textureIds[3]; // Texture id of Y,U and V texture.
GLuint _program;
GLuint _vPositionHandle;
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_