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https://github.com/OpenSpace/OpenSpace.git
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57 lines
3.0 KiB
GLSL
57 lines
3.0 KiB
GLSL
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2025 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#version __CONTEXT__
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#include "PowerScaling/powerScaling_vs.hglsl"
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layout(location = 0) in vec2 in_position;
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layout(location = 1) in vec2 in_st;
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layout(location = 2) in vec3 in_normal;
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out vec2 vs_st;
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out float vs_screenSpaceDepth;
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out vec4 shadowCoords;
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out vec3 vs_normal;
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uniform dmat4 modelViewProjectionMatrix;
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// ShadowMatrix is the matrix defined by:
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// textureCoordsMatrix * projectionMatrix * combinedViewMatrix * modelMatrix
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// where textureCoordsMatrix is just a scale and bias computation: [-1,1] to [0,1]
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uniform dmat4 shadowMatrix;
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void main() {
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vs_st = in_st;
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vs_normal = mat3(modelViewProjectionMatrix) * in_normal;
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dvec4 positionClipSpace = modelViewProjectionMatrix * dvec4(in_position, 0.0, 1.0);
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vec4 positionClipSpaceZNorm = z_normalization(vec4(positionClipSpace));
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shadowCoords = vec4(shadowMatrix * dvec4(in_position, 0.0, 1.0));
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vs_screenSpaceDepth = positionClipSpaceZNorm.w;
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gl_Position = positionClipSpaceZNorm;
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}
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