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path: root/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
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Diffstat (limited to 'indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl')
-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl61
1 files changed, 54 insertions, 7 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 651959413c..5308e5bb1e 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -43,6 +43,52 @@ uniform vec2 screen_res;
uniform mat4 inv_proj;
+vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
+{
+ vec4 ret = texture2DLod(projectionMap, tc, lod);
+
+ vec2 dist = tc-vec2(0.5);
+
+ float det = max(1.0-lod/(proj_lod*0.5), 0.0);
+
+ float d = dot(dist,dist);
+
+ ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0)+det, 1.0);
+
+ return ret;
+}
+
+vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
+{
+ vec4 ret = texture2DLod(projectionMap, tc, lod);
+
+ vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
+
+ float det = min(lod/(proj_lod*0.5), 1.0);
+
+ float d = min(dist.x, dist.y);
+
+ float edge = 0.25*det;
+
+ ret *= clamp(d/edge, 0.0, 1.0);
+
+ return ret;
+}
+
+vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
+{
+ vec4 ret = texture2DLod(projectionMap, tc, lod);
+
+ vec2 dist = tc-vec2(0.5);
+
+ float d = dot(dist,dist);
+
+ ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0);
+
+ return ret;
+}
+
+
vec4 getPosition(vec2 pos_screen)
{
float depth = texture2DRect(depthMap, pos_screen.xy).a;
@@ -126,7 +172,7 @@ void main()
float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0);
float lod = diff * proj_lod;
- vec4 plcol = texture2DLod(projectionMap, proj_tc.xy, lod);
+ vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod);
vec3 lcol = gl_Color.rgb * plcol.rgb * plcol.a;
@@ -137,7 +183,7 @@ void main()
}
//float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0);
- vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_ambient_lod);
+ vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod);
amb_da += (da*da*0.5+0.5)*proj_ambiance;
@@ -167,22 +213,23 @@ void main()
if (stc.z > 0.0)
{
stc.xy /= stc.w;
-
+
+ float fatten = clamp(spec.a*spec.a+spec.a*0.5, 0.25, 1.0);
+
+ stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
+
if (stc.x < 1.0 &&
stc.y < 1.0 &&
stc.x > 0.0 &&
stc.y > 0.0)
{
- vec4 scol = texture2DLod(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
+ vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
col += dist_atten*scol.rgb*gl_Color.rgb*scol.a*spec.rgb*shadow;
}
}
}
}
- //attenuate point light contribution by SSAO component
- col *= texture2DRect(lightMap, frag.xy).g;
-
gl_FragColor.rgb = col;
gl_FragColor.a = 0.0;
}