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Removing quadFrag, singlepassraycaster and twopassraycaster shaders

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This commit is contained in:
Alexander Bock
2016-05-01 13:24:59 +02:00
parent eb4904fc17
commit 29187fdf52
8 changed files with 0 additions and 440 deletions
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33
shaders/quadFrag.glsl
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@@ -1,33 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#version __CONTEXT__
uniform sampler2D quadTex;
in vec2 texCoord;
out vec4 color;
void main() {
color = texture(quadTex, texCoord);
}

38
shaders/quadVert.glsl
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@@ -1,38 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#version __CONTEXT__
layout(location = 0) in vec2 texCoordinate;
layout(location = 2) in vec3 vertPosition;
in vec4 position;
out vec2 texCoord;
const vec2 screenScale = vec2(0.5, 0.5);
void main() {
texCoord = vertPosition.xy*screenScale+screenScale; // scale vertex attribute to [0-1] range
gl_Position = vec4(vertPosition.xy, 0.0, 1.0);
}

33
shaders/quadVertFlare.glsl
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@@ -1,33 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#version __CONTEXT__
in vec4 position;
out vec2 texCoord;
void main() {
gl_Position = position;
texCoord = position.xy/2.0 + 0.5;
}

118
shaders/singlepassraycaster.frag
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@@ -1,118 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#version __CONTEXT__
// Based on http://prideout.net/blog/?p=64
uniform sampler3D texVolume;
uniform mat4 modelView;
uniform mat4 modelViewProjection;
uniform float focalLength;
uniform vec2 windowSize;
uniform vec3 rayOrigin;
uniform float stepSize;
const int maxNumSamples = 128;
out vec4 fragColor;
struct Ray {
vec3 Origin;
vec3 Dir;
};
struct AABB {
vec3 Min;
vec3 Max;
};
bool IntersectBox(Ray r, AABB box, out float t0, out float t1) {
vec3 invR = 1.0 / r.Dir;
vec3 tbot = invR * (box.Min-r.Origin);
vec3 ttop = invR * (box.Max-r.Origin);
vec3 tmin = min(ttop, tbot);
vec3 tmax = max(ttop, tbot);
vec2 t = max(tmin.xx, tmin.yz);
t0 = max(t.x, t.y);
t = min(tmax.xx, tmax.yz);
t1 = min(t.x, t.y);
return t0 <= t1;
}
void main() {
vec3 rayDirection;
rayDirection.x = 2.0 * gl_FragCoord.x / windowSize.x - 1.0;
rayDirection.y = 2.0 * gl_FragCoord.y / windowSize.y - 1.0;
rayDirection.z = -focalLength;
rayDirection = (vec4(rayDirection, 0) * modelView).xyz;
Ray eye = Ray( rayOrigin, normalize(rayDirection) );
AABB box = AABB(vec3(-1.0), vec3(1.0));
float tnear, tfar;
IntersectBox(eye, box, tnear, tfar);
tnear = max(tnear, 0.0);
vec3 front = eye.Origin + eye.Dir* tnear;
vec3 back = eye.Origin + eye.Dir* tfar;
front = 0.5 * (front + 1.0);
back = 0.5 * (back + 1.0);
vec3 direction = back-front;
float directionLength = length(direction);
direction = normalize(direction);
vec3 position = front;
vec4 tmp, color = vec4(0);
int i = 0;
while (length(position-front) < directionLength && color.r != 1.0 && i < maxNumSamples) {
++i;
tmp = texture(texVolume, position);
color = max(color, tmp); // MIP
position = position + direction * stepSize;
}
fragColor = vec4(color.rrr,1.0);
// // DEBUG DEBUG DEBUG
// fragColor = vec4(front, 1.0);
// if (front.x < 0.1)
// fragColor = vec4(1.0);
// if (front.y < 0.1)
// fragColor = vec4(1.0);
// if (front.x > 0.9)
// fragColor = vec4(1.0);
// if (front.y > 0.9)
// fragColor = vec4(1.0);
// if (front.x > 0.45 && front.x < 0.55)
// fragColor = vec4(0.0);
// if (front.y > 0.45 && front.y < 0.55)
// fragColor = vec4(0.0);
}

72
shaders/singlepassraycaster.gs
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@@ -1,72 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#version __CONTEXT__
// Based on http://prideout.net/blog/?p=64
layout(points) in;
layout(triangle_strip, max_vertices = 24) out;
uniform mat4 modelViewProjection;
in vec4 vPosition[1];
vec4 objCube[8]; // Object space coordinate of cube corner
vec4 ndcCube[8]; // Normalized device coordinate of cube corner
ivec4 faces[6]; // Vertex indices of the cube faces
void emit_vert(int vert) {
gl_Position = ndcCube[vert];
EmitVertex();
}
void emit_face(int face) {
emit_vert(faces[face][1]); emit_vert(faces[face][0]);
emit_vert(faces[face][3]); emit_vert(faces[face][2]);
EndPrimitive();
}
void main() {
faces[0] = ivec4(0,1,3,2); faces[1] = ivec4(5,4,6,7);
faces[2] = ivec4(4,5,0,1); faces[3] = ivec4(3,2,7,6);
faces[4] = ivec4(0,3,4,7); faces[5] = ivec4(2,1,6,5);
float size = 0.5;
vec4 P = vPosition[0];
vec4 I = vec4(size, 0, 0, 0);
vec4 J = vec4(0, size, 0, 0);
vec4 K = vec4(0, 0, size, 0);
objCube[0] = P+K+I+J; objCube[1] = P+K+I-J;
objCube[2] = P+K-I-J; objCube[3] = P+K-I+J;
objCube[4] = P-K+I+J; objCube[5] = P-K+I-J;
objCube[6] = P-K-I-J; objCube[7] = P-K-I+J;
// Transform the corners of the box:
for (int vert = 0; vert < 8; vert++)
ndcCube[vert] = modelViewProjection * objCube[vert];
// Emit the six faces:
for (int face = 0; face < 6; face++)
emit_face(face);
}

36
shaders/singlepassraycaster.vert
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@@ -1,36 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#version __CONTEXT__
// Based on http://prideout.net/blog/?p=64
layout(location = 0) in vec4 Position;
out vec4 vPosition;
uniform mat4 modelViewProjection;
void main() {
gl_Position = modelViewProjection * Position;
vPosition = Position;
}

71
shaders/twopassraycaster.frag
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@@ -1,71 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#version __CONTEXT__
uniform sampler2D texBack, texFront;
uniform sampler3D texVolume;
uniform float stepSize;
in vec3 vPosition;
in vec2 texCoords;
out vec4 fragColor;
void main() {
vec3 front = texture(texFront, texCoords).xyz;
vec3 back = texture(texBack, texCoords).xyz;
vec3 direction = back-front;
float directionLength = length(direction);
direction = normalize(direction);
vec3 position = front;
vec4 tmp, color = vec4(0);
while (length(position-front) < directionLength && color.r != 1.0) {
tmp = texture(texVolume, position);
color = max(color, tmp); // MIP
position = position + direction * stepSize;
}
fragColor = vec4(color.rrr, 1.0);
// // DEBUG DEBUG DEBUG
// fragColor = vec4(front, 1.0);
// if (front.x < 0.1)
// fragColor = vec4(1.0);
// if (front.y < 0.1)
// fragColor = vec4(1.0);
// if (front.x > 0.9)
// fragColor = vec4(1.0);
// if (front.y > 0.9)
// fragColor = vec4(1.0);
// if (front.x > 0.45 && front.x < 0.55)
// fragColor = vec4(0.0);
// if (front.y > 0.45 && front.y < 0.55)
// fragColor = vec4(0.0);
}

39
shaders/twopassraycaster.vert
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@@ -1,39 +0,0 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#version __CONTEXT__
layout(location = 0) in vec2 texCoordinate;
layout(location = 2) in vec3 vertPosition;
out vec3 vPosition;
out vec2 texCoords;
// Source: http://stackoverflow.com/questions/2588875/whats-the-best-way-to-draw-a-fullscreen-quad-in-opengl-3-2
const vec2 screenScale = vec2(0.5, 0.5);
void main() {
texCoords = vertPosition.xy*screenScale+screenScale; // scale vertex attribute to [0-1] range
gl_Position = vec4(vertPosition.xy, 0.0, 1.0);
}