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git-svn-id: svn://db.shs.com.ru/libs@68 a8b55f48-bf90-11e4-a774-851b48703e85

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Пелипенко Иван
2015-12-10 14:42:56 +00:00
parent 30ea938f38
commit 8f0c371a96
15 changed files with 221 additions and 26 deletions
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37
qglview/shaders/ssr_blur.frag Normal file
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#version 150
uniform sampler2D t0;
uniform float radius = 2;
uniform vec2 dt;
void main(void) {
vec2 tc = qgl_FragTexture.xy;
float r = float(radius);
vec4 v0 = texture(t0, tc);
float rad;
float coeff = modf(v0.a, rad);
rad /= 10.;
float o = radius * rad, o2 = radius * rad * 2;
vec3 scol = (v0.rgb * 3. +
max(texture(t0, tc + dt * vec2( o, 0 )).rgb, vec3(0)) * 2. +
max(texture(t0, tc + dt * vec2( 0, o )).rgb, vec3(0)) * 2. +
max(texture(t0, tc + dt * vec2( -o, 0 )).rgb, vec3(0)) * 2. +
max(texture(t0, tc + dt * vec2( 0, -o)).rgb, vec3(0)) * 2. +
max(texture(t0, tc + dt * vec2( o, o )).rgb, vec3(0)) * 1.5 +
max(texture(t0, tc + dt * vec2( o, -o)).rgb, vec3(0)) * 1.5 +
max(texture(t0, tc + dt * vec2( -o, -o )).rgb, vec3(0)) * 1.5 +
max(texture(t0, tc + dt * vec2( -o, o )).rgb, vec3(0)) * 1.5 +
max(texture(t0, tc + dt * vec2( o2, 0 )).rgb, vec3(0)) +
max(texture(t0, tc + dt * vec2( 0, o2)).rgb, vec3(0)) +
max(texture(t0, tc + dt * vec2(-o2, 0 )).rgb, vec3(0)) +
max(texture(t0, tc + dt * vec2( 0, -o2)).rgb, vec3(0))/* +
texture(t0, tc + dt * vec2( o2, o )).rgb +
texture(t0, tc + dt * vec2( o2, -o)).rgb +
texture(t0, tc + dt * vec2(-o2, -o )).rgb +
texture(t0, tc + dt * vec2(-o2, o )).rgb +
texture(t0, tc + dt * vec2( o, o2)).rgb +
texture(t0, tc + dt * vec2( o, -o2)).rgb +
texture(t0, tc + dt * vec2( -o, -o2)).rgb +
texture(t0, tc + dt * vec2( -o, o2)).rgb*/) / 21.;
qgl_FragData[0] = vec4(scol, v0.w);
}