Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(822)

Unified Diff: webrtc/sdk/objc/Framework/Classes/RTCNativeNV12Shader.mm

Issue 2862543002: Split iOS sdk in to separate targets (Closed)
Patch Set: rebase and minor fixes Created 3 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
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
« no previous file with comments | « webrtc/sdk/objc/Framework/Classes/RTCNV12TextureCache.m ('k') | webrtc/sdk/objc/Framework/Classes/RTCOpenGLDefines.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698