mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-04-22 19:29:04 -05:00
Malin E
100 lines
4.0 KiB
GLSL
100 lines
4.0 KiB
GLSL
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2023 *
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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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#include "fragment.glsl"
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in vec2 vs_st;
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in vec3 vs_normalViewSpace;
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in vec4 vs_positionCameraSpace;
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in float vs_screenSpaceDepth;
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in mat3 vs_TBN;
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uniform float ambientIntensity = 0.2;
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uniform float diffuseIntensity = 1.0;
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uniform float specularIntensity = 1.0;
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uniform bool performShading = true;
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uniform bool use_forced_color = false;
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uniform bool has_texture_diffuse;
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uniform bool has_texture_normal;
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uniform bool has_texture_specular;
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uniform bool has_color_specular;
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uniform sampler2D texture_diffuse;
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uniform sampler2D texture_normal;
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uniform sampler2D texture_specular;
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uniform vec4 color_diffuse;
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uniform vec4 color_specular;
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uniform float opacity = 1.0;
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uniform int nLightSources;
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uniform vec3 lightDirectionsViewSpace[8];
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uniform float lightIntensities[8];
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uniform bool performManualDepthTest = false;
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uniform sampler2D gBufferDepthTexture;
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uniform vec2 resolution;
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Fragment getFragment() {
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Fragment frag;
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frag.depth = vs_screenSpaceDepth;
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frag.gPosition = vs_positionCameraSpace;
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frag.gNormal = vec4(vs_normalViewSpace, 0.0);
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frag.disableLDR2HDR = true;
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frag.color.a = opacity;
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if (performManualDepthTest) {
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// gl_FragCoord.x goes from 0 to resolution.x and gl_FragCoord.y goes from 0 to
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// resolution.y, need to normalize it
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vec2 texCoord = gl_FragCoord.xy;
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texCoord.x = texCoord.x / resolution.x;
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texCoord.y = texCoord.y / resolution.y;
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// Manual depth test
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float gBufferDepth = denormalizeFloat(texture(gBufferDepthTexture, texCoord).x);
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if (vs_screenSpaceDepth > gBufferDepth) {
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frag.color = vec4(0.0);
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frag.depth = gBufferDepth;
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return frag;
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}
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}
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// Frag color is the values of the normal vector
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vec3 normal;
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if (has_texture_normal) {
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vec3 normalAlbedo = texture(texture_normal, vs_st).rgb;
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normalAlbedo = normalize(normalAlbedo * 2.0 - 1.0);
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normal = normalize(vs_TBN * normalAlbedo);
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}
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else {
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normal = normalize(vs_normalViewSpace);
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}
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frag.color.rgb = normal;
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frag.color.a = opacity;
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return frag;
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}
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