Second Life viewer sources 1.13.2.12

4 files changed, 64 insertions, 0 deletions

diff --git a/linden/indra/newview/app_settings/shaders/class3/environment/groundF.glsl b/linden/indra/newview/app_settings/shaders/class3/environment/groundF.glsl
new file mode 100644
index 0000000..8618dad
--- /dev/null
+++ b/linden/indra/newview/app_settings/shaders/class3/environment/groundF.glsl
@@ -0,0 +1,12 @@
+vec4 getScatter(vec3 viewVec, vec3 lightDir);
+
+varying vec3 lightd;
+varying vec3 viewVec;
+
+void main() 
+{
+   vec4 color = gl_Color;
+   vec4 haze = getScatter(viewVec, lightd) * vec4(gl_Fog.color.rgb, 1.0);
+   color.rgb = haze.rgb + haze.a * color.rgb;
+   gl_FragColor = color;
+}
diff --git a/linden/indra/newview/app_settings/shaders/class3/environment/groundV.glsl b/linden/indra/newview/app_settings/shaders/class3/environment/groundV.glsl
new file mode 100644
index 0000000..a6f5270
--- /dev/null
+++ b/linden/indra/newview/app_settings/shaders/class3/environment/groundV.glsl
@@ -0,0 +1,11 @@
+varying vec3 lightd;
+varying vec3 viewVec;
+
+void main()
+{
+        gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+        lightd = gl_LightSource[0].position.xyz;
+        viewVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
+        
+        gl_FrontColor = gl_Color;
+}
diff --git a/linden/indra/newview/app_settings/shaders/class3/environment/scatterF.glsl b/linden/indra/newview/app_settings/shaders/class3/environment/scatterF.glsl
new file mode 100644
index 0000000..7a9245f
--- /dev/null
+++ b/linden/indra/newview/app_settings/shaders/class3/environment/scatterF.glsl
@@ -0,0 +1,25 @@
+uniform sampler2D scatterMap;
+
+//for per-pixel scatter
+vec4 getScatter(vec3 viewVec, vec3 lightDir)
+{
+   vec2 scatterCoord;
+   scatterCoord.x = length(viewVec);
+   vec3 normVec = viewVec / scatterCoord.x;
+   scatterCoord.y = dot(normVec, lightDir)*0.5 + 0.5;   
+   scatterCoord.x = scatterCoord.x / gl_Fog.end;
+   scatterCoord.x *= scatterCoord.x; // HACK!! Remove this when we can push the view distance farther out
+   return texture2D(scatterMap, scatterCoord) * vec4(gl_Fog.color.rgb, 1.0);
+}
+
+void applyScatter(inout vec3 color, vec4 haze)
+{
+        color.rgb = haze.rgb + haze.a * color.rgb;   
+}
+
+//for per-vertex scatter
+void applyScatter(inout vec3 color)
+{
+        vec4 haze = texture2D(scatterMap, gl_TexCoord[5].xy) * vec4(gl_Fog.color.rgb, 1.0);
+        color.rgb = haze.rgb + haze.a * color.rgb;
+}
diff --git a/linden/indra/newview/app_settings/shaders/class3/environment/scatterV.glsl b/linden/indra/newview/app_settings/shaders/class3/environment/scatterV.glsl
new file mode 100644
index 0000000..c9ebd9e
--- /dev/null
+++ b/linden/indra/newview/app_settings/shaders/class3/environment/scatterV.glsl
@@ -0,0 +1,16 @@
+
+vec2 getScatterCoord(vec3 viewVec, vec3 lightDir)
+{
+   vec2 scatterCoord;
+   scatterCoord.x = length(viewVec);
+   vec3 normVec = normalize(viewVec);
+   scatterCoord.y = dot(normVec, lightDir)*0.5 + 0.5;   
+   scatterCoord.x = scatterCoord.x / gl_Fog.end;
+   scatterCoord.x *= scatterCoord.x; // HACK!! Remove this when we can push the view distance farther out
+   return scatterCoord;
+}
+
+void default_scatter(vec3 viewVec, vec3 lightDir)
+{
+        gl_TexCoord[5].xy = getScatterCoord(viewVec, lightDir);
+}