diff options
Diffstat (limited to 'src/Runtime/ogl-runtime/res/effectlib/luminance.glsllib')
m--------- | src/Runtime/ogl-runtime | 0 | ||||
-rw-r--r-- | src/Runtime/ogl-runtime/res/effectlib/luminance.glsllib | 62 |
2 files changed, 0 insertions, 62 deletions
diff --git a/src/Runtime/ogl-runtime b/src/Runtime/ogl-runtime new file mode 160000 +Subproject 427fddb50d43aa21a90fc7356ee3cdd8a908df5 diff --git a/src/Runtime/ogl-runtime/res/effectlib/luminance.glsllib b/src/Runtime/ogl-runtime/res/effectlib/luminance.glsllib deleted file mode 100644 index 067dc184..00000000 --- a/src/Runtime/ogl-runtime/res/effectlib/luminance.glsllib +++ /dev/null @@ -1,62 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2014 NVIDIA Corporation. -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 or (at your option) any later version -** approved by the KDE Free Qt Foundation. The licenses are as published by -** the Free Software Foundation and appearing in the file LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef LUMINANCE_GLSLLIB -#define LUMINANCE_GLSLLIB - -// Luma coefficients according to ITU-R Recommendation BT.709 (http://en.wikipedia.org/wiki/Rec._709) -const vec3 yCoeff_709 = vec3( 0.2126, 0.7152, 0.0722 ); - -float luminance( in vec3 v ) -{ - return dot( v, yCoeff_709 ); -} - -vec3 RGBToYPbPr( in vec3 v ) -{ - vec3 ypp; - ypp.x = luminance( v ); - ypp.y = 0.5 * (v.b - ypp.x) / (1.0 - yCoeff_709.b); - ypp.z = 0.5 * (v.r - ypp.x) / (1.0 - yCoeff_709.r); - - return ypp; -} - -vec3 YPbPrToRGB( in vec3 v ) -{ - vec3 outRGB; - outRGB.x = dot(vec3(1.0, 0.0, 1.575), v); - outRGB.y = dot(vec3(1.0, -0.187, -0.468), v); - outRGB.z = dot(vec3(1.0, 1.856, 0.0), v); - - return outRGB; -} - -#endif
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