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Diffstat (limited to 'examples/widgets/graphicsview/boxes/glass.fsh')
-rw-r--r-- | examples/widgets/graphicsview/boxes/glass.fsh | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/examples/widgets/graphicsview/boxes/glass.fsh b/examples/widgets/graphicsview/boxes/glass.fsh deleted file mode 100644 index 528d04e4d3..0000000000 --- a/examples/widgets/graphicsview/boxes/glass.fsh +++ /dev/null @@ -1,85 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; -uniform samplerCube env; -uniform mat4 view; - -// Some arbitrary values -// Arrays don't work here on glsl < 120, apparently. -//const float coeffs[6] = float[6](1.0/4.0, 1.0/4.1, 1.0/4.2, 1.0/4.3, 1.0/4.4, 1.0/4.5); -float coeffs(int i) -{ - return 1.0 / (3.0 + 0.1 * float(i)); -} - -void main() -{ - vec3 N = normalize(normal); - vec3 I = -normalize(position); - mat3 V = mat3(view[0].xyz, view[1].xyz, view[2].xyz); - float IdotN = dot(I, N); - float scales[6]; - vec3 C[6]; - for (int i = 0; i < 6; ++i) { - scales[i] = (IdotN - sqrt(1.0 - coeffs(i) + coeffs(i) * (IdotN * IdotN))); - C[i] = textureCube(env, (-I + coeffs(i) * N) * V).xyz; - } - vec4 refractedColor = 0.25 * vec4(C[5].x + 2.0*C[0].x + C[1].x, C[1].y + 2.0*C[2].y + C[3].y, - C[3].z + 2.0*C[4].z + C[5].z, 4.0); - - vec3 R = 2.0 * dot(-position, N) * N + position; - vec4 reflectedColor = textureCube(env, R * V); - - gl_FragColor = mix(refractedColor, reflectedColor, 0.4 + 0.6 * pow(1.0 - IdotN, 2.0)); -} |