Reland of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/RTCNativeNV12Shader.mm

Index: webrtc/sdk/objc/Framework/Classes/RTCNativeNV12Shader.mm
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCNativeNV12Shader.mm b/webrtc/sdk/objc/Framework/Classes/RTCNativeNV12Shader.mm
deleted file mode 100644
index c0769c05cda4f3e169bee3a29cbfd8c28ddc299f..0000000000000000000000000000000000000000
--- a/webrtc/sdk/objc/Framework/Classes/RTCNativeNV12Shader.mm
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- *  Copyright 2016 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 "RTCShader.h"
-
-#import "RTCNV12TextureCache.h"
-#import "RTCShader+Private.h"
-#import "WebRTC/RTCLogging.h"
-#import "WebRTC/RTCVideoFrame.h"
-
-#include "webrtc/base/checks.h"
-#include "webrtc/base/optional.h"
-
-static const char kNV12FragmentShaderSource[] =
-  SHADER_VERSION
-  "precision mediump float;"
-  FRAGMENT_SHADER_IN " vec2 v_texcoord;\n"
-  "uniform lowp sampler2D s_textureY;\n"
-  "uniform lowp sampler2D s_textureUV;\n"
-  FRAGMENT_SHADER_OUT
-  "void main() {\n"
-  "    mediump float y;\n"
-  "    mediump vec2 uv;\n"
-  "    y = " FRAGMENT_SHADER_TEXTURE "(s_textureY, v_texcoord).r;\n"
-  "    uv = " FRAGMENT_SHADER_TEXTURE "(s_textureUV, v_texcoord).ra -\n"
-  "        vec2(0.5, 0.5);\n"
-  "    " FRAGMENT_SHADER_COLOR " = vec4(y + 1.403 * uv.y,\n"
-  "                                     y - 0.344 * uv.x - 0.714 * uv.y,\n"
-  "                                     y + 1.770 * uv.x,\n"
-  "                                     1.0);\n"
-  "  }\n";
-
-@implementation RTCNativeNV12Shader {
-  GLuint _vertexBuffer;
-  GLuint _nv12Program;
-  GLint _ySampler;
-  GLint _uvSampler;
-  RTCNV12TextureCache *_textureCache;
-  // Store current rotation and only upload new vertex data when rotation
-  // changes.
-  rtc::Optional<RTCVideoRotation> _currentRotation;
-}
-
-- (instancetype)initWithContext:(GlContextType *)context {
-  if (self = [super init]) {
-    _textureCache = [[RTCNV12TextureCache alloc] initWithContext:context];
-    if (!_textureCache || ![self setupNV12Program] ||
-        !RTCSetupVerticesForProgram(_nv12Program, &_vertexBuffer, nullptr)) {
-      RTCLog(@"Failed to initialize RTCNativeNV12Shader.");
-      self = nil;
-    }
-  }
-  return self;
-}
-
-- (void)dealloc {
-  glDeleteProgram(_nv12Program);
-  glDeleteBuffers(1, &_vertexBuffer);
-}
-
-- (BOOL)setupNV12Program {
-  _nv12Program = RTCCreateProgramFromFragmentSource(kNV12FragmentShaderSource);
-  if (!_nv12Program) {
-    return NO;
-  }
-  _ySampler = glGetUniformLocation(_nv12Program, "s_textureY");
-  _uvSampler = glGetUniformLocation(_nv12Program, "s_textureUV");
-
-  return (_ySampler >= 0 && _uvSampler >= 0);
-}
-
-- (BOOL)drawFrame:(RTCVideoFrame *)frame {
-  glUseProgram(_nv12Program);
-  if (![_textureCache uploadFrameToTextures:frame]) {
-    return NO;
-  }
-
-  // Y-plane.
-  glActiveTexture(GL_TEXTURE0);
-  glUniform1i(_ySampler, 0);
-  glBindTexture(GL_TEXTURE_2D, _textureCache.yTexture);
-
-  // UV-plane.
-  glActiveTexture(GL_TEXTURE1);
-  glUniform1i(_uvSampler, 1);
-  glBindTexture(GL_TEXTURE_2D, _textureCache.uvTexture);
-
-  glBindBuffer(GL_ARRAY_BUFFER, _vertexBuffer);
-  if (!_currentRotation || frame.rotation != *_currentRotation) {
-    _currentRotation = rtc::Optional<RTCVideoRotation>(frame.rotation);
-    RTCSetVertexData(*_currentRotation);
-  }
-  glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-  [_textureCache releaseTextures];
-
-  return YES;
-}
-
-@end