From 51bb3c15c8ac6c85ed1a7e8526ba6b60794ac29e Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Thu, 19 May 2011 20:38:39 -0500
Subject: SH-469 WIP -- get rid of LLMultiSampleBuffer and use
 GL_ARB_texture_multisample instead.

---
 .../app_settings/shaders/class1/deferred/skyF.glsl | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 indra/newview/app_settings/shaders/class1/deferred/skyF.glsl

(limited to 'indra/newview/app_settings/shaders/class1/deferred/skyF.glsl')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
new file mode 100644
index 0000000000..91143943b6
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
@@ -0,0 +1,44 @@
+/** 
+ * @file WLSkyF.glsl
+ *
+ * $LicenseInfo:firstyear=2005&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+#version 120
+
+/////////////////////////////////////////////////////////////////////////
+// The fragment shader for the sky
+/////////////////////////////////////////////////////////////////////////
+
+varying vec4 vary_HazeColor;
+
+uniform sampler2D cloud_noise_texture;
+uniform vec4 gamma;
+
+/// Soft clips the light with a gamma correction
+vec3 scaleSoftClip(vec3 light) {
+	//soft clip effect:
+	light = 1. - clamp(light, vec3(0.), vec3(1.));
+	light = 1. - pow(light, gamma.xxx);
+
+	return light;
+}
+
+void main()
+{
+	// Potential Fill-rate optimization.  Add cloud calculation 
+	// back in and output alpha of 0 (so that alpha culling kills 
+	// the fragment) if the sky wouldn't show up because the clouds 
+	// are fully opaque.
+
+	vec4 color;
+	color = vary_HazeColor;
+	color *= 2.;
+
+	/// Gamma correct for WL (soft clip effect).
+	gl_FragData[0] = vec4(scaleSoftClip(color.rgb), 1.0);
+	gl_FragData[1] = vec4(0.0,0.0,0.0,0.0);
+	gl_FragData[2] = vec4(0,0,1,0);
+}
+
-- 
cgit v1.2.3


From ece32418e7c1828a65c88e526a5afcb635c5453a Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Tue, 31 May 2011 14:35:59 -0500
Subject: SH-1682 Dynamically adjust the number of texture channels to use for
 indexed texture rendering based on available hardware.

---
 indra/newview/app_settings/shaders/class1/deferred/skyF.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class1/deferred/skyF.glsl')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
index 91143943b6..820c82ffd7 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
@@ -5,7 +5,7 @@
  * $/LicenseInfo$
  */
  
-#version 120
+
 
 /////////////////////////////////////////////////////////////////////////
 // The fragment shader for the sky
-- 
cgit v1.2.3