Reland of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/RTCNSGLVideoView.m

Index: webrtc/sdk/objc/Framework/Classes/RTCNSGLVideoView.m
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCNSGLVideoView.m b/webrtc/sdk/objc/Framework/Classes/RTCNSGLVideoView.m
deleted file mode 100644
index 530d9a7e6a195e1d00afc10428f9e9a88b093d47..0000000000000000000000000000000000000000
--- a/webrtc/sdk/objc/Framework/Classes/RTCNSGLVideoView.m
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- *  Copyright 2015 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.
- */
-
-#import <Foundation/Foundation.h>
-
-#if !TARGET_OS_IPHONE
-
-#import "WebRTC/RTCNSGLVideoView.h"
-
-#import <AppKit/NSOpenGL.h>
-#import <CoreVideo/CVDisplayLink.h>
-#import <OpenGL/gl3.h>
-
-#import "RTCShader+Private.h"
-#import "WebRTC/RTCLogging.h"
-#import "WebRTC/RTCVideoFrame.h"
-
-@interface RTCNSGLVideoView ()
-// |videoFrame| is set when we receive a frame from a worker thread and is read
-// from the display link callback so atomicity is required.
-@property(atomic, strong) RTCVideoFrame *videoFrame;
-@property(atomic, strong) id<RTCShader> i420Shader;
-
-- (void)drawFrame;
-@end
-
-static CVReturn OnDisplayLinkFired(CVDisplayLinkRef displayLink,
-                                   const CVTimeStamp *now,
-                                   const CVTimeStamp *outputTime,
-                                   CVOptionFlags flagsIn,
-                                   CVOptionFlags *flagsOut,
-                                   void *displayLinkContext) {
-  RTCNSGLVideoView *view = (__bridge RTCNSGLVideoView *)displayLinkContext;
-  [view drawFrame];
-  return kCVReturnSuccess;
-}
-
-@implementation RTCNSGLVideoView {
-  CVDisplayLinkRef _displayLink;
-  RTCVideoFrame *_lastDrawnFrame;
-}
-
-@synthesize delegate = _delegate;
-@synthesize videoFrame = _videoFrame;
-@synthesize i420Shader = _i420Shader;
-
-- (void)dealloc {
-  [self teardownDisplayLink];
-}
-
-- (void)drawRect:(NSRect)rect {
-  [self drawFrame];
-}
-
-- (void)reshape {
-  [super reshape];
-  NSRect frame = [self frame];
-  CGLLockContext([[self openGLContext] CGLContextObj]);
-  glViewport(0, 0, frame.size.width, frame.size.height);
-  CGLUnlockContext([[self openGLContext] CGLContextObj]);
-}
-
-- (void)lockFocus {
-  NSOpenGLContext *context = [self openGLContext];
-  [super lockFocus];
-  if ([context view] != self) {
-    [context setView:self];
-  }
-  [context makeCurrentContext];
-}
-
-- (void)prepareOpenGL {
-  [super prepareOpenGL];
-  [self ensureGLContext];
-  glDisable(GL_DITHER);
-  [self setupDisplayLink];
-}
-
-- (void)clearGLContext {
-  [self ensureGLContext];
-  self.i420Shader = nil;
-  [super clearGLContext];
-}
-
-#pragma mark - RTCVideoRenderer
-
-// These methods may be called on non-main thread.
-- (void)setSize:(CGSize)size {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    [self.delegate videoView:self didChangeVideoSize:size];
-  });
-}
-
-- (void)renderFrame:(RTCVideoFrame *)frame {
-  self.videoFrame = frame;
-}
-
-#pragma mark - Private
-
-- (void)drawFrame {
-  RTCVideoFrame *frame = self.videoFrame;
-  if (!frame || frame == _lastDrawnFrame) {
-    return;
-  }
-  // This method may be called from CVDisplayLink callback which isn't on the
-  // main thread so we have to lock the GL context before drawing.
-  NSOpenGLContext *context = [self openGLContext];
-  CGLLockContext([context CGLContextObj]);
-
-  [self ensureGLContext];
-  glClear(GL_COLOR_BUFFER_BIT);
-
-  // Rendering native CVPixelBuffer is not supported on OS X.
-  frame = [frame newI420VideoFrame];
-  if (!self.i420Shader) {
-    self.i420Shader = [[RTCI420Shader alloc] initWithContext:context];
-  }
-  if (self.i420Shader && [self.i420Shader drawFrame:frame]) {
-    [context flushBuffer];
-    _lastDrawnFrame = frame;
-  } else {
-    RTCLog(@"Failed to draw frame.");
-  }
-  CGLUnlockContext([context CGLContextObj]);
-}
-
-- (void)setupDisplayLink {
-  if (_displayLink) {
-    return;
-  }
-  // Synchronize buffer swaps with vertical refresh rate.
-  GLint swapInt = 1;
-  [[self openGLContext] setValues:&swapInt forParameter:NSOpenGLCPSwapInterval];
-
-  // Create display link.
-  CVDisplayLinkCreateWithActiveCGDisplays(&_displayLink);
-  CVDisplayLinkSetOutputCallback(_displayLink,
-                                 &OnDisplayLinkFired,
-                                 (__bridge void *)self);
-  // Set the display link for the current renderer.
-  CGLContextObj cglContext = [[self openGLContext] CGLContextObj];
-  CGLPixelFormatObj cglPixelFormat = [[self pixelFormat] CGLPixelFormatObj];
-  CVDisplayLinkSetCurrentCGDisplayFromOpenGLContext(
-      _displayLink, cglContext, cglPixelFormat);
-  CVDisplayLinkStart(_displayLink);
-}
-
-- (void)teardownDisplayLink {
-  if (!_displayLink) {
-    return;
-  }
-  CVDisplayLinkRelease(_displayLink);
-  _displayLink = NULL;
-}
-
-- (void)ensureGLContext {
-  NSOpenGLContext* context = [self openGLContext];
-  NSAssert(context, @"context shouldn't be nil");
-  if ([NSOpenGLContext currentContext] != context) {
-    [context makeCurrentContext];
-  }
-}
-
-@end
-
-#endif  // !TARGET_OS_IPHONE