mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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8741687d20
- cleanup some duplicated code - change the background color ramp function to make UI more readable
65 lines
1.9 KiB
GLSL
65 lines
1.9 KiB
GLSL
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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//--------------------------------------------------------------
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// image vertex shader
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//--------------------------------------------------------------
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#ifdef IMAGE_VERTEX_SHADER
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layout (location=0) in vec2 position;
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out vec2 outUV;
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void
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main()
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{
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outUV = vec2(position.xy*0.5) + vec2(0.5);
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gl_Position = vec4(position.x, position.y, 0, 1);
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}
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#endif
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//--------------------------------------------------------------
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#ifdef IMAGE_FRAGMENT_SHADER
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uniform sampler2D colorMap;
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uniform sampler2D normalMap;
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uniform sampler2D depthMap;
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in vec2 outUV;
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out vec4 outColor;
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void main()
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{
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vec4 colorSample = texture(colorMap, outUV);
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//background color as a vertical grey ramp
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vec4 bgColor = vec4(mix(0.1, 0.5, sin(outUV.y*3.14159)));
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outColor = mix(bgColor, colorSample, colorSample.a);
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}
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#endif
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