postDeferredF.glsl
上传用户:king477883
上传日期:2021-03-01
资源大小:9553k
文件大小:2k
- /**
- * @file postDeferredF.glsl
- *
- * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
- * $License$
- */
- uniform sampler2DRect diffuseRect;
- uniform sampler2DRect localLightMap;
- uniform sampler2DRect sunLightMap;
- uniform sampler2DRect giLightMap;
- uniform sampler2D luminanceMap;
- uniform sampler2DRect lightMap;
- uniform vec3 gi_lum_quad;
- uniform vec3 sun_lum_quad;
- uniform vec3 lum_quad;
- uniform float lum_lod;
- uniform vec4 ambient;
- uniform vec3 gi_quad;
- uniform vec2 screen_res;
- varying vec2 vary_fragcoord;
- void main()
- {
- vec2 tc = vary_fragcoord.xy;
- vec3 lcol = texture2DLod(luminanceMap, tc/screen_res, lum_lod).rgb;
- float lum = sqrt(lcol.r)*lum_quad.x+lcol.r*lcol.r*lum_quad.y+lcol.r*lum_quad.z;
-
- vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
- float ambocc = texture2DRect(lightMap, vary_fragcoord.xy).g;
-
- vec3 gi_col = texture2DRect(giLightMap, vary_fragcoord.xy).rgb;
- gi_col = gi_col*gi_col*gi_quad.x + gi_col*gi_quad.y+gi_quad.z*ambocc*ambient.rgb;
- gi_col *= diff;
-
- vec4 sun_col = texture2DRect(sunLightMap, vary_fragcoord.xy);
-
- vec3 local_col = texture2DRect(localLightMap, vary_fragcoord.xy).rgb;
-
- float sun_lum = 1.0-lum;
- sun_lum = sun_lum*sun_lum*sun_lum_quad.x + sun_lum*sun_lum_quad.y+sun_lum_quad.z;
-
- float gi_lum = lum;
- gi_lum = gi_lum*gi_lum*gi_lum_quad.x+gi_lum*gi_lum_quad.y+gi_lum_quad.z;
- gi_col *= 1.0/gi_lum;
-
- vec3 col = sun_col.rgb*(1.0+max(sun_lum,0.0))+gi_col+local_col;
-
- gl_FragColor.rgb = col.rgb;
- gl_FragColor.a = max(sun_lum*min(sun_col.r+sun_col.g+sun_col.b, 1.0), sun_col.a);
-
- //gl_FragColor.rgb = texture2DRect(giLightMap, vary_fragcoord.xy).rgb;
- }