1 /*
2  *  Copyright 2016 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 #import "base/RTCVideoFrame.h"
12 
13 RTC_EXTERN const char kRTCVertexShaderSource[];
14 
15 RTC_EXTERN GLuint RTCCreateShader(GLenum type, const GLchar* source);
16 RTC_EXTERN GLuint RTCCreateProgram(GLuint vertexShader, GLuint fragmentShader);
17 RTC_EXTERN GLuint
18 RTCCreateProgramFromFragmentSource(const char fragmentShaderSource[]);
19 RTC_EXTERN BOOL RTCCreateVertexBuffer(GLuint* vertexBuffer,
20                                       GLuint* vertexArray);
21 RTC_EXTERN void RTCSetVertexData(RTCVideoRotation rotation);
22