106 lines
2 KiB
GLSL
106 lines
2 KiB
GLSL
[vertex]
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layout(location=0) in highp vec4 vertex_attrib;
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#ifdef USE_CUBEMAP
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layout(location=4) in vec3 cube_in;
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#else
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layout(location=4) in vec2 uv_in;
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#endif
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layout(location=5) in vec2 uv2_in;
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#ifdef USE_CUBEMAP
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out vec3 cube_interp;
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#else
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out vec2 uv_interp;
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#endif
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out vec2 uv2_interp;
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void main() {
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#ifdef USE_CUBEMAP
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cube_interp = cube_in;
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#else
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uv_interp = uv_in;
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#endif
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uv2_interp = uv2_in;
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gl_Position = vertex_attrib;
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}
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[fragment]
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#ifdef USE_CUBEMAP
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in vec3 cube_interp;
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uniform samplerCube source_cube; //texunit:0
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#else
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in vec2 uv_interp;
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uniform sampler2D source; //texunit:0
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#endif
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float sRGB_gamma_correct(float c){
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float a = 0.055;
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if(c < 0.0031308)
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return 12.92*c;
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else
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return (1.0+a)*pow(c, 1.0/2.4) - a;
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}
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uniform float stuff;
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uniform vec2 pixel_size;
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in vec2 uv2_interp;
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layout(location = 0) out vec4 frag_color;
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void main() {
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//vec4 color = color_interp;
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#ifdef USE_CUBEMAP
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vec4 color = texture( source_cube, normalize(cube_interp) );
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#else
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vec4 color = texture( source, uv_interp );
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#endif
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#ifdef LINEAR_TO_SRGB
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//regular Linear -> SRGB conversion
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vec3 a = vec3(0.055);
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color.rgb = mix( (vec3(1.0)+a)*pow(color.rgb,vec3(1.0/2.4))-a , 12.92*color.rgb , lessThan(color.rgb,vec3(0.0031308)));
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#endif
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#ifdef DEBUG_GRADIENT
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color.rg=uv_interp;
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color.b=0.0;
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#endif
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#ifdef DISABLE_ALPHA
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color.a=1.0;
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#endif
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#ifdef GAUSSIAN_HORIZONTAL
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color*=0.38774;
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color+=texture( source, uv_interp+vec2( 1.0, 0.0)*pixel_size )*0.24477;
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color+=texture( source, uv_interp+vec2( 2.0, 0.0)*pixel_size )*0.06136;
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color+=texture( source, uv_interp+vec2(-1.0, 0.0)*pixel_size )*0.24477;
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color+=texture( source, uv_interp+vec2(-2.0, 0.0)*pixel_size )*0.06136;
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#endif
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#ifdef GAUSSIAN_VERTICAL
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color*=0.38774;
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color+=texture( source, uv_interp+vec2( 0.0, 1.0)*pixel_size )*0.24477;
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color+=texture( source, uv_interp+vec2( 0.0, 2.0)*pixel_size )*0.06136;
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color+=texture( source, uv_interp+vec2( 0.0,-1.0)*pixel_size )*0.24477;
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color+=texture( source, uv_interp+vec2( 0.0,-2.0)*pixel_size )*0.06136;
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#endif
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frag_color = color;
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}
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