postDeferredF.glsl
上传用户:king477883
上传日期:2021-03-01
资源大小:9553k
文件大小:1k
- /**
- * @file postDeferredF.glsl
- *
- * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
- * $License$
- */
- #extension GL_ARB_texture_rectangle : enable
- uniform sampler2DRect diffuseRect;
- uniform sampler2DRect localLightMap;
- uniform sampler2DRect sunLightMap;
- uniform sampler2DRect giLightMap;
- uniform sampler2D luminanceMap;
- uniform sampler2DRect lightMap;
- 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 lum = texture2DLod(luminanceMap, tc/screen_res, lum_lod).rgb;
- float luminance = lum.r;
- luminance = luminance*lum_quad.y+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;
-
-
- sun_col *= 1.0/min(luminance, 1.0);
- gi_col *= 1.0/luminance;
-
- vec3 col = sun_col.rgb+gi_col+local_col;
-
- gl_FragColor.rgb = col.rgb;
- col.rgb = max(col.rgb-vec3(1.0,1.0,1.0), vec3(0.0, 0.0, 0.0));
-
- gl_FragColor.a = 0.0; // max(dot(col.rgb,col.rgb)*lum_quad.x, sun_col.a);
-
- //gl_FragColor.rgb = vec3(lum_lod);
- }