fteqw/engine/gl/r_bishaders.h

/*
WARNING: THIS FILE IS GENERATED BY 'generatebuiltinsl.c'.
YOU SHOULD NOT EDIT THIS FILE BY HAND
*/

#ifdef GLQUAKE
{QR_OPENGL, 110, "bloom_blur",
//apply gaussian filter

"varying vec2 tc;\n"

"#ifdef VERTEX_SHADER\n"
"attribute vec2 v_texcoord;\n"
"void main ()\n"
"{\n"
"tc = v_texcoord;\n"
"gl_Position = ftetransform();\n"
"}\n"
"#endif\n"
"#ifdef FRAGMENT_SHADER\n"
/*offset should be 1.2 pixels away from the center*/
"uniform vec3 e_glowmod;\n"
"uniform sampler2D s_t0;\n"
"void main ()\n"
"{\n"
"gl_FragColor =\n"
"0.3125 * texture2D(s_t0, tc - e_glowmod.st) +\n"
"0.375 * texture2D(s_t0, tc) +\n"
"0.3125 * texture2D(s_t0, tc + e_glowmod.st);\n"
"}\n"
"#endif\n"
},
#endif
#ifdef GLQUAKE
{QR_OPENGL, 110, "bloom_filter",
//the bloom filter
//filter out any texels which are not to bloom

"varying vec2 tc;\n"

"#ifdef VERTEX_SHADER\n"
"attribute vec2 v_texcoord;\n"
"void main ()\n"
"{\n"
"tc = v_texcoord;\n"
"gl_Position = ftetransform();\n"
"}\n"
"#endif\n"
"#ifdef FRAGMENT_SHADER\n"
"uniform sampler2D s_t0;\n"
"void main ()\n"
"{\n"
"gl_FragColor = (texture2D(s_t0, tc) - vec4(0.5, 0.5, 0.5, 0.0)) * vec4(2.0,2.0,2.0,1.0);\n"
"}\n"
"#endif\n"
},
#endif
#ifdef GLQUAKE
{QR_OPENGL, 110, "bloom_final",
//add them together
//optionally apply tonemapping

"varying vec2 tc;\n"

"#ifdef VERTEX_SHADER\n"
"attribute vec2 v_texcoord;\n"
"void main ()\n"
"{\n"
"tc = v_texcoord;\n"
"gl_Position = ftetransform();\n"
"}\n"
"#endif\n"
"#ifdef FRAGMENT_SHADER\n"
"uniform sampler2D s_t0;\n"
"uniform sampler2D s_t1;\n"
"uniform sampler2D s_t2;\n"
"uniform sampler2D s_t3;\n"
"void main ()\n"
"{\n"
"gl_FragColor = \n"
"texture2D(s_t0, tc) +\n"
"texture2D(s_t1, tc) +\n"
"texture2D(s_t2, tc) +\n"
"texture2D(s_t3, tc) ;\n"
"}\n"
"#endif\n"
},
#endif