mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-04-22 19:29:04 -05:00
Kalle Bladin
93 lines
4.4 KiB
GLSL
93 lines
4.4 KiB
GLSL
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014 *
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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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/*
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// Heightmap coverage
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uniform sampler2D textureSamplerHeight00;
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uniform sampler2D textureSamplerHeight10;
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uniform sampler2D textureSamplerHeight01;
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uniform sampler2D textureSamplerHeight11;
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uniform mat3 uvTransformPatchToTileHeight00;
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uniform mat3 uvTransformPatchToTileHeight10;
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uniform mat3 uvTransformPatchToTileHeight01;
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uniform mat3 uvTransformPatchToTileHeight11;
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*/
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// Colortexture coverage
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uniform sampler2D textureSamplerColor00;
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uniform sampler2D textureSamplerColor10;
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uniform sampler2D textureSamplerColor01;
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uniform sampler2D textureSamplerColor11;
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uniform mat3 uvTransformPatchToTileColor00;
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uniform mat3 uvTransformPatchToTileColor10;
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uniform mat3 uvTransformPatchToTileColor01;
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uniform mat3 uvTransformPatchToTileColor11;
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uniform uvec2 texture00DimensionsColor;
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uniform uvec2 texture10DimensionsColor;
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uniform uvec2 texture01DimensionsColor;
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uniform uvec2 texture11DimensionsColor;
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//uniform int segmentsPerPatch;
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in vec4 vs_position;
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in vec3 fs_position;
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in vec2 fs_uv;
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#include "PowerScaling/powerScaling_fs.hglsl"
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#include "fragment.glsl"
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Fragment getFragment() {
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Fragment frag;
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frag.color = vec4(0);
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vec4 color00, color10, color01, color11;
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vec2 uv00 = vec2(uvTransformPatchToTileColor00 * vec3(fs_uv.s, fs_uv.t, 1));
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vec2 uv10 = vec2(uvTransformPatchToTileColor10 * vec3(fs_uv.s, fs_uv.t, 1));
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vec2 uv01 = vec2(uvTransformPatchToTileColor01 * vec3(fs_uv.s, fs_uv.t, 1));
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vec2 uv11 = vec2(uvTransformPatchToTileColor11 * vec3(fs_uv.s, fs_uv.t, 1));
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vec2 d00 = 1 / vec2(texture00DimensionsColor);
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vec2 d10 = 1 / vec2(texture10DimensionsColor);
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vec2 d01 = 1 / vec2(texture01DimensionsColor);
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vec2 d11 = 1 / vec2(texture11DimensionsColor);
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if (uv00.x > -d00.x && uv00.x < 1 + d00.x && uv00.y > -d00.y && uv00.y < 1 + d00.y)
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color00 = texture(textureSamplerColor00, uv00);
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if (uv10.x > -d10.x && uv10.x < 1 + d10.x && uv10.y > -d10.y && uv10.y < 1 + d10.y)
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color10 = texture(textureSamplerColor10, uv10);
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if (uv01.x > -d01.x && uv01.x < 1 + d01.x && uv01.y > -d01.y && uv01.y < 1 + d01.y)
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color01 = texture(textureSamplerColor01, uv01);
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if (uv11.x > -d11.x && uv11.x < 1 + d11.x && uv11.y > -d11.y && uv11.y < 1 + d11.y)
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color11 = texture(textureSamplerColor11, uv11);
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frag.color = max(color00, max(color10, max(color01, color11)));
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//frag.color = vec4(frag.color.r, frag.color.r, frag.color.r, 1);
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frag.depth = vs_position.w;
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return frag;
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}
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