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path: root/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
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Diffstat (limited to 'indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl')
-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl54
1 files changed, 4 insertions, 50 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 0160e84278..66a1a8515f 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -5,7 +5,7 @@
* $/LicenseInfo$
*/
-#version 120
+
#extension GL_ARB_texture_rectangle : enable
@@ -71,7 +71,7 @@ vec4 getPosition_d(vec2 pos_screen, float depth)
vec4 getPosition(vec2 pos_screen)
{ //get position in screen space (world units) given window coordinate and depth map
- float depth = texture2DRect(depthMap, pos_screen.xy).a;
+ float depth = texture2DRect(depthMap, pos_screen.xy).r;
return getPosition_d(pos_screen, depth);
}
@@ -258,7 +258,7 @@ vec3 scaleSoftClip(vec3 light)
void main()
{
vec2 tc = vary_fragcoord.xy;
- float depth = texture2DRect(depthMap, tc.xy).a;
+ float depth = texture2DRect(depthMap, tc.xy).r;
vec3 pos = getPosition_d(tc, depth).xyz;
vec3 norm = texture2DRect(normalMap, tc).xyz;
norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
@@ -288,54 +288,8 @@ void main()
float sa = dot(refnormpersp, vary_light.xyz);
vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a;
- /*
- // screen-space cheap fakey reflection map
- //
- vec3 refnorm = normalize(reflect(vec3(0,0,-1), norm.xyz));
- depth -= 0.5; // unbias depth
- // first figure out where we'll make our 2D guess from
- vec2 ref2d = (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
- // Offset the guess source a little according to a trivial
- // checkerboard dither function and spec.a.
- // This is meant to be similar to sampling a blurred version
- // of the diffuse map. LOD would be better in that regard.
- // The goal of the blur is to soften reflections in surfaces
- // with low shinyness, and also to disguise our lameness.
- float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
- float checkoffset = (3.0 + (7.0*(1.0-spec.a)))*(checkerboard-0.5);
- ref2d += vec2(checkoffset, checkoffset);
- ref2d += tc.xy; // use as offset from destination
- // Get attributes from the 2D guess point.
- // We average two samples of diffuse (not of anything else) per
- // pixel to try to reduce aliasing some more.
- vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d + vec2(0.0, -checkoffset)).rgb +
- texture2DRect(diffuseRect, ref2d + vec2(-checkoffset, 0.0)).rgb);
- float refdepth = texture2DRect(depthMap, ref2d).a;
- vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
- float refshad = texture2DRect(lightMap, ref2d).r;
- vec3 refn = texture2DRect(normalMap, ref2d).rgb;
- refn = vec3((refn.xy-0.5)*2.0,refn.z); // unpack norm
- refn = normalize(refn);
- // figure out how appropriate our guess actually was
- float refapprop = max(0.0, dot(-refnorm, normalize(pos - refpos)));
- // darken reflections from points which face away from the reflected ray - our guess was a back-face
- //refapprop *= step(dot(refnorm, refn), 0.0);
- refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant
- // get appropriate light strength for guess-point
- // reflect light direction to increase the illusion that
- // these are reflections.
- vec3 reflight = reflect(lightnorm.xyz, norm.xyz);
- float reflit = min(max(dot(refn, reflight.xyz), 0.0), refshad);
- // apply sun color to guess-point, dampen according to inappropriateness of guess
- float refmod = min(refapprop, reflit);
- vec3 refprod = vary_SunlitColor * refcol.rgb * refmod;
- vec3 ssshiny = (refprod * spec.a);
- ssshiny *= 0.3; // dampen it even more
- */
- vec3 ssshiny = vec3(0,0,0);
-
// add the two types of shiny together
- col += (ssshiny + dumbshiny) * spec.rgb;
+ col += dumbshiny * spec.rgb;
}
col = atmosLighting(col);