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Diffstat (limited to 'res/effectlib/fileDisplacementTexture.glsllib')
-rw-r--r-- | res/effectlib/fileDisplacementTexture.glsllib | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/res/effectlib/fileDisplacementTexture.glsllib b/res/effectlib/fileDisplacementTexture.glsllib new file mode 100644 index 0000000..a38d701 --- /dev/null +++ b/res/effectlib/fileDisplacementTexture.glsllib @@ -0,0 +1,71 @@ +/**************************************************************************** +** +** 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 FILE_DISPLACEMENT_TEXTURE_GLSLLIB +#define FILE_DISPLACEMENT_TEXTURE_GLSLLIB + +#ifdef QT3DS_DEFINE_API + +#include "luminance.glsllib" +#include "monoChannel.glsllib" +#include "textureCoordinateInfo.glsllib" +#define wrap_clamp 0 +#define wrap_repeat 1 +#define wrap_mirrored_repeat 2 +#define mono_alpha 0 +#define mono_average 1 +#define mono_luminance 2 +#define mono_maximum 3 +#include "rotationTranslationScale.glsllib" +#include "transformCoordinate.glsllib" + +#endif + + +vec3 fileDisplacementTexture( in sampler2D sampler, in float factor, in int displaceSource + , in texture_coordinate_info uvw, in vec3 normal, in vec3 pos ) +{ + // compute displace factor + float df = monoChannel( texture( sampler, uvw.position.xy ), displaceSource ); + + return( normal * df * factor + pos ); +} + + +//default material path version +vec3 defaultMaterialFileDisplacementTexture( in sampler2D sampler, in float factor, vec2 texCoord, in vec3 normal, vec3 pos ) +{ + return fileDisplacementTexture( sampler, factor, mono_luminance + , textureCoordinateInfo( vec3( texCoord.x, texCoord.y, 0.0 ), vec3(1.0, 0.0, 0.0), vec3(0.0, 1.0, 0.0) ) + , normal, pos ); +} + + +#endif
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