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| 1 /* | 1 /* |
| 2 * Copyright 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright 2016 The WebRTC project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 #import "RTCShader.h" | 11 #import "RTCShader.h" |
| 12 | 12 |
| 13 // Native CVPixelBufferRef rendering is only supported on iPhone because it | 13 // Native CVPixelBufferRef rendering is only supported on iPhone because it |
| 14 // depends on CVOpenGLESTextureCacheCreate. | 14 // depends on CVOpenGLESTextureCacheCreate. |
| 15 #if TARGET_OS_IPHONE | 15 #if TARGET_OS_IPHONE |
| 16 | 16 |
| 17 #import <CoreVideo/CVOpenGLESTextureCache.h> | 17 #import <CoreVideo/CVOpenGLESTextureCache.h> |
| 18 | 18 |
| 19 #import "RTCShader+Private.h" | 19 #import "RTCShader+Private.h" |
| 20 #import "WebRTC/RTCVideoFrame.h" | 20 #import "WebRTC/RTCVideoFrame.h" |
| 21 | 21 |
| 22 #include "webrtc/api/video/rotation.h" |
| 22 #include "webrtc/base/checks.h" | 23 #include "webrtc/base/checks.h" |
| 23 #include "webrtc/base/optional.h" | 24 #include "webrtc/base/optional.h" |
| 24 #include "webrtc/common_video/rotation.h" | |
| 25 | 25 |
| 26 static const char kNV12FragmentShaderSource[] = | 26 static const char kNV12FragmentShaderSource[] = |
| 27 SHADER_VERSION | 27 SHADER_VERSION |
| 28 "precision mediump float;" | 28 "precision mediump float;" |
| 29 FRAGMENT_SHADER_IN " vec2 v_texcoord;\n" | 29 FRAGMENT_SHADER_IN " vec2 v_texcoord;\n" |
| 30 "uniform lowp sampler2D s_textureY;\n" | 30 "uniform lowp sampler2D s_textureY;\n" |
| 31 "uniform lowp sampler2D s_textureUV;\n" | 31 "uniform lowp sampler2D s_textureUV;\n" |
| 32 FRAGMENT_SHADER_OUT | 32 FRAGMENT_SHADER_OUT |
| 33 "void main() {\n" | 33 "void main() {\n" |
| 34 " mediump float y;\n" | 34 " mediump float y;\n" |
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| 162 glDrawArrays(GL_TRIANGLE_FAN, 0, 4); | 162 glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| 163 | 163 |
| 164 CFRelease(chromaTexture); | 164 CFRelease(chromaTexture); |
| 165 CFRelease(lumaTexture); | 165 CFRelease(lumaTexture); |
| 166 | 166 |
| 167 return YES; | 167 return YES; |
| 168 } | 168 } |
| 169 | 169 |
| 170 @end | 170 @end |
| 171 #endif // TARGET_OS_IPHONE | 171 #endif // TARGET_OS_IPHONE |
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