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 |