1 files changed, 98 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaF.glsl
new file mode 100644
index 0000000000..5ecbbd2c4f
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaF.glsl
@@ -0,0 +1,98 @@
+/** 
+ * @file avatarAlphaF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+
+#extension GL_ARB_texture_rectangle : enable
+
+uniform sampler2D diffuseMap;
+uniform sampler2DRectShadow shadowMap0;
+uniform sampler2DRectShadow shadowMap1;
+uniform sampler2DRectShadow shadowMap2;
+uniform sampler2DRectShadow shadowMap3;
+uniform sampler2D noiseMap;
+
+uniform mat4 shadow_matrix[6];
+uniform vec4 shadow_clip;
+uniform vec2 screen_res;
+uniform vec2 shadow_res;
+
+vec3 atmosLighting(vec3 light);
+vec3 scaleSoftClip(vec3 light);
+
+varying vec3 vary_ambient;
+varying vec3 vary_directional;
+varying vec3 vary_position;
+varying vec3 vary_normal;
+
+uniform float shadow_bias;
+
+float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
+{
+	stc.xyz /= stc.w;
+	stc.z += shadow_bias;
+	
+	float cs = shadow2DRect(shadowMap, stc.xyz).x;
+	float shadow = cs;
+
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, scl, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, -scl, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, scl, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, -scl, 0.0)).x, cs);
+			
+	return shadow/5.0;
+}
+
+void main() 
+{
+	float shadow = 1.0;
+	vec4 pos = vec4(vary_position, 1.0);
+	vec3 norm = normalize(vary_normal);
+	
+	//vec3 nz = texture2D(noiseMap, gl_FragCoord.xy/128.0).xyz;
+
+	vec4 spos = pos;
+	
+	if (spos.z > -shadow_clip.w)
+	{	
+		vec4 lpos;
+		
+		if (spos.z < -shadow_clip.z)
+		{
+			lpos = shadow_matrix[3]*spos;
+			lpos.xy *= shadow_res;
+			shadow = pcfShadow(shadowMap3, lpos, 1.5);
+			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)
+		{
+			lpos = shadow_matrix[2]*spos;
+			lpos.xy *= shadow_res;
+			shadow = pcfShadow(shadowMap2, lpos, 1.5);
+		}
+		else if (spos.z < -shadow_clip.x)
+		{
+			lpos = shadow_matrix[1]*spos;
+			lpos.xy *= shadow_res;
+			shadow = pcfShadow(shadowMap1, lpos, 1.5);
+		}
+		else
+		{
+			lpos = shadow_matrix[0]*spos;
+			lpos.xy *= shadow_res;
+			shadow = pcfShadow(shadowMap0, lpos, 1.5);
+		}
+	}
+	
+	
+	vec4 col = vec4(vary_ambient + vary_directional*shadow, gl_Color.a);	
+	vec4 color = texture2D(diffuseMap, gl_TexCoord[0].xy) * col;
+	
+	color.rgb = atmosLighting(color.rgb);
+
+	color.rgb = scaleSoftClip(color.rgb);
+
+	gl_FragColor = color;
+}