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-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl58
1 files changed, 47 insertions, 11 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index 1179b212ae..08f6ec63fe 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -26,7 +26,9 @@
#extension GL_ARB_texture_rectangle : enable
#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
#endif
VARYING vec4 vertex_color;
@@ -78,7 +80,7 @@ void main()
vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
frag *= screen_res;
- float shadow = 1.0;
+ float shadow = 0.0;
vec4 pos = vec4(vary_position, 1.0);
vec4 spos = pos;
@@ -87,31 +89,65 @@ void main()
{
vec4 lpos;
- if (spos.z < -shadow_clip.z)
+ vec4 near_split = shadow_clip*-0.75;
+ vec4 far_split = shadow_clip*-1.25;
+ vec4 transition_domain = near_split-far_split;
+ float weight = 0.0;
+
+ if (spos.z < near_split.z)
{
lpos = shadow_matrix[3]*spos;
lpos.xy *= shadow_res;
- shadow = pcfShadow(shadowMap3, lpos, 1.5);
+
+ float w = 1.0;
+ w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
+ shadow += pcfShadow(shadowMap3, lpos, 0.25)*w;
+ weight += w;
shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
}
- else if (spos.z < -shadow_clip.y)
+
+ if (spos.z < near_split.y && spos.z > far_split.z)
{
lpos = shadow_matrix[2]*spos;
lpos.xy *= shadow_res;
- shadow = pcfShadow(shadowMap2, lpos, 1.5);
+
+ float w = 1.0;
+ w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
+ w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
+ shadow += pcfShadow(shadowMap2, lpos, 0.75)*w;
+ weight += w;
}
- else if (spos.z < -shadow_clip.x)
+
+ if (spos.z < near_split.x && spos.z > far_split.y)
{
lpos = shadow_matrix[1]*spos;
lpos.xy *= shadow_res;
- shadow = pcfShadow(shadowMap1, lpos, 1.5);
+
+ float w = 1.0;
+ w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
+ w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
+ shadow += pcfShadow(shadowMap1, lpos, 0.75)*w;
+ weight += w;
}
- else
+
+ if (spos.z > far_split.x)
{
lpos = shadow_matrix[0]*spos;
lpos.xy *= shadow_res;
- shadow = pcfShadow(shadowMap0, lpos, 1.5);
+
+ float w = 1.0;
+ w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
+
+ shadow += pcfShadow(shadowMap0, lpos, 1.0)*w;
+ weight += w;
}
+
+
+ shadow /= weight;
+ }
+ else
+ {
+ shadow = 1.0;
}
vec4 diff = diffuseLookup(vary_texcoord0.xy);
@@ -125,6 +161,6 @@ void main()
color.rgb += diff.rgb * vary_pointlight_col.rgb;
- gl_FragColor = color;
+ frag_color = color;
}