mirror of
https://github.com/NVIDIA/cuda-samples.git
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56 lines
2.2 KiB
GLSL
56 lines
2.2 KiB
GLSL
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/* Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#version 450
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#extension GL_ARB_separate_shader_objects : enable
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layout(binding = 0) uniform UniformBufferObject {
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float frame;
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} ubo;
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layout(location = 0) in float pointInsideCircle;
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layout(location = 1) in vec2 xyPos;
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layout(location = 0) out vec3 fragColor;
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const float PI = 3.1415926;
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out gl_PerVertex
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{
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vec4 gl_Position;
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float gl_PointSize;
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};
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void main() {
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gl_PointSize = 1.0;
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gl_Position = vec4(xyPos.xy, 0.0f, 1.0f);
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float color_r = 1.0f + 0.5f * sin(ubo.frame / 100.0f);
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float color_g = 1.0f + 0.5f * sin((ubo.frame / 100.0f) + (2.0f*PI/3.0f));
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float color_b = 1.0f;
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fragColor = vec3(pointInsideCircle.x * color_r, pointInsideCircle.x * color_g, color_b);
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}
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