From 01e5caade3d85eb618c1d7f16eb2e3972d1f65f9 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Mon, 12 Apr 2021 16:58:18 -0700
Subject: SL-14113 Fix moon haze

---
 .../shaders/class1/deferred/cloudsF.glsl           |  2 +-
 .../shaders/class1/deferred/moonF.glsl             |  6 +++
 .../shaders/class1/deferred/starsF.glsl            |  7 ++-
 .../shaders/class1/environment/moonF.glsl          | 51 ++++++++++++++++++++++
 .../shaders/class1/environment/moonV.glsl          | 38 ++++++++++++++++
 .../shaders/class1/environment/starsF.glsl         | 51 ++++++++++++++++++++++
 .../shaders/class1/environment/starsV.glsl         | 41 +++++++++++++++++
 .../shaders/class1/windlight/moonF.glsl            |  7 +++
 .../shaders/class2/windlight/cloudsF.glsl          |  6 +++
 indra/newview/lldrawpoolsky.cpp                    | 19 ++++++++
 indra/newview/lldrawpoolwlsky.cpp                  | 13 +++---
 indra/newview/llviewershadermgr.cpp                | 33 +++++++++++++-
 indra/newview/llviewershadermgr.h                  |  2 +
 13 files changed, 267 insertions(+), 9 deletions(-)
 create mode 100644 indra/newview/app_settings/shaders/class1/environment/moonF.glsl
 create mode 100644 indra/newview/app_settings/shaders/class1/environment/moonV.glsl
 create mode 100644 indra/newview/app_settings/shaders/class1/environment/starsF.glsl
 create mode 100644 indra/newview/app_settings/shaders/class1/environment/starsV.glsl

(limited to 'indra/newview')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
index ae1ac5de7f..187fed72e1 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
@@ -126,6 +126,6 @@ void main()
     frag_data[1] = vec4(0.0,0.0,0.0,0.0);
     frag_data[2] = vec4(0,0,0,1);
 
-    gl_FragDepth = 0.99995f;
+    gl_FragDepth = 0.999985; // SL-14113 Stars and Clouds need same depth
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
index 35068899ee..5906194437 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
@@ -55,6 +55,12 @@ void main()
         fade = clamp( moon_dir.z*moon_dir.z*4.0, 0.0, 1.0 );
 
     vec4 c      = texture2D(diffuseMap, vary_texcoord0.xy);
+
+    // SL-14113 Don't write to depth; prevent moon's quad from hiding stars which should be visible
+    // Moon texture has transparent pixels <0x55,0x55,0x55,0x00>
+    if (c.a <= 2./255.) // 0.00784
+        discard;
+
 //       c.rgb  = srgb_to_linear(c.rgb);
          c.rgb *= moonlight_color.rgb;
          c.rgb *= moon_brightness;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
index bac79a9fdc..50f10ad0fa 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
@@ -46,8 +46,13 @@ float twinkle(){
     return abs(d);
 }
 
+// See:
+// ALM off: class1/environment/starsF.glsl
+// ALM on : class1/deferred/starsF.glsl
 void main() 
 {
+	// camera above water: class1\deferred\starsF.glsl
+	// camera below water: starsF.glsl
     vec4 col_a = texture2D(diffuseMap, vary_texcoord0.xy);
     vec4 col_b = texture2D(diffuseMap, vary_texcoord0.xy);
     vec4 col = mix(col_b, col_a, blend_factor);
@@ -62,6 +67,6 @@ void main()
     frag_data[1] = vec4(0.0f);
     frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0);
 
-    gl_FragDepth = 0.99995f;
+    gl_FragDepth = 0.999995f; // SL-14113 Moon Haze -- Stars need to depth test behind the moon
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/environment/moonF.glsl b/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
new file mode 100644
index 0000000000..e1592c19fb
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
@@ -0,0 +1,51 @@
+/** 
+ * @file class1/environment/moonF.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2021, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+
+uniform sampler2D tex0;
+
+VARYING vec2 vary_texcoord0;
+
+// See:
+// AS  off: class1/environment/moonF.glsl
+// ALM off: class1/windlight/moonF.glsl
+// ALM on : class1/deferred/moonF.glsl
+void main() 
+{
+    vec4 color = texture2D(tex0, vary_texcoord0.xy);
+
+    // SL-14113 Don't write to depth; prevent moon's quad from hiding stars which should be visible
+    // Moon texture has transparent pixels <0x55,0x55,0x55,0x00>
+    if (color.a <= 2./255.) // 0.00784
+        discard;
+
+    frag_color = color;
+    gl_FragDepth = 0.999985f; // SL-14113 Moon is infront of stars
+}
diff --git a/indra/newview/app_settings/shaders/class1/environment/moonV.glsl b/indra/newview/app_settings/shaders/class1/environment/moonV.glsl
new file mode 100644
index 0000000000..1fc421a295
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/environment/moonV.glsl
@@ -0,0 +1,38 @@
+/** 
+ * @file class1\environment\moonV.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2021, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+ 
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec2 texcoord0;
+
+VARYING vec2 vary_texcoord0;
+
+void main()
+{
+	gl_Position = modelview_projection_matrix * vec4(position, 1);
+	vary_texcoord0 = texcoord0;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/environment/starsF.glsl b/indra/newview/app_settings/shaders/class1/environment/starsF.glsl
new file mode 100644
index 0000000000..95ab4cbf8b
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/environment/starsF.glsl
@@ -0,0 +1,51 @@
+/** 
+ * @file class1/environment/starsF.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2021, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+
+uniform sampler2D diffuseMap;
+
+uniform float custom_alpha;
+
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+
+// See:
+// ALM off: class1/environment/starsF.glsl
+// ALM on : class1/deferred/starsF.glsl
+void main() 
+{
+    vec4 color = texture2D(diffuseMap, vary_texcoord0.xy);
+    color.rgb = pow(color.rgb, vec3(0.45));
+    color.rgb *= vertex_color.rgb;
+    color.a *= max(custom_alpha, vertex_color.a);
+
+    frag_color = color;
+    gl_FragDepth = 0.999995f; // SL-14113 Moon Haze -- Stars need to depth test behind the moon
+}
diff --git a/indra/newview/app_settings/shaders/class1/environment/starsV.glsl b/indra/newview/app_settings/shaders/class1/environment/starsV.glsl
new file mode 100644
index 0000000000..6fcfec6b6a
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/environment/starsV.glsl
@@ -0,0 +1,41 @@
+/** 
+ * @file class1/environment/starsV.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2021, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec4 diffuse_color;
+ATTRIBUTE vec2 texcoord0;
+
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+
+void main()
+{
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+	vary_texcoord0 = texcoord0;
+	vertex_color = diffuse_color;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
index 2425a2ad04..327accbd3b 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
@@ -52,6 +52,12 @@ void main()
         fade = clamp( moon_dir.z*moon_dir.z*4.0, 0.0, 1.0 );
 
     vec4 c     = texture2D(diffuseMap, vary_texcoord0.xy);
+
+    // SL-14113 Don't write to depth; prevent moon's quad from hiding stars which should be visible
+    // Moon texture has transparent pixels <0x55,0x55,0x55,0x00>
+    if (c.a <= 2./255.) // 0.00784
+        discard;
+
 //       c.rgb = pow(c.rgb, vec3(0.7f)); // can't use "srgb_to_linear(color.rgb)" as that is a deferred only function
          c.rgb *= moonlight_color.rgb;
          c.rgb *= moon_brightness;
@@ -62,5 +68,6 @@ void main()
          c.rgb  = scaleSoftClip(c.rgb);
 
     frag_color = vec4(c.rgb, c.a);
+    gl_FragDepth = 0.999985f; // SL-14113
 }
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
index fa928d993e..d89cc69d71 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
@@ -127,5 +127,11 @@ void main()
 
     /// Gamma correct for WL (soft clip effect).
     frag_color = vec4(color.rgb, alpha1);
+
+    // SL-14113 Moon Haze -- When the camera is underwater fix clouds clipping into moon
+    // camera above water: class1\defered\cloudsF.glsl
+    // camera below water: class2\windlight\coudsV.glsl
+    // See: starsV.glsl, cloudsV.glsl, moonF.glsl
+    gl_FragDepth = 0.999985;
 }
 
diff --git a/indra/newview/lldrawpoolsky.cpp b/indra/newview/lldrawpoolsky.cpp
index b6f55e800a..96b4a91b0f 100644
--- a/indra/newview/lldrawpoolsky.cpp
+++ b/indra/newview/lldrawpoolsky.cpp
@@ -130,13 +130,32 @@ void LLDrawPoolSky::renderSkyFace(U8 index)
 
         face->renderIndexed();
     }
+    else // Moon
+    if (index == LLVOSky::FACE_MOON)
+    {
+        LLGLSPipelineDepthTestSkyBox gls_skybox(true, true); // SL-14113 Write depth for moon so stars can test if behind it
+
+        LLGLEnable blend(GL_BLEND);
+
+        // if (LLGLSLShader::sNoFixedFunction) // TODO: Necessary? is this always true? We already bailed on gPipeline.canUseWindLightShaders ... above
+        LLViewerTexture* tex = face->getTexture(LLRender::DIFFUSE_MAP);
+        if (tex)
+        {
+            gMoonProgram.bind(); // SL-14113 was gOneTextureNoColorProgram
+            gGL.getTexUnit(0)->bind(tex, true);
+            face->renderIndexed();
+        }
+    }
     else // heavenly body faces, no interp...
     {
+        LLGLSPipelineDepthTestSkyBox gls_skybox(true, false); // reset to previous
+
         LLGLEnable blend(GL_BLEND);
 
         LLViewerTexture* tex = face->getTexture(LLRender::DIFFUSE_MAP);
         if (tex)
         {
+            gOneTextureNoColorProgram.bind();
             gGL.getTexUnit(0)->bind(tex, true);
             face->renderIndexed();
         }
diff --git a/indra/newview/lldrawpoolwlsky.cpp b/indra/newview/lldrawpoolwlsky.cpp
index 0c3d8f3098..f788a20e3c 100644
--- a/indra/newview/lldrawpoolwlsky.cpp
+++ b/indra/newview/lldrawpoolwlsky.cpp
@@ -270,8 +270,8 @@ void LLDrawPoolWLSky::renderStars(const LLVector3& camPosLocal) const
 	gGL.rotatef(gFrameTimeSeconds*0.01f, 0.f, 0.f, 1.f);
 	if (LLGLSLShader::sNoFixedFunction)
 	{
-		gCustomAlphaProgram.bind();
-		gCustomAlphaProgram.uniform1f(sCustomAlpha, star_alpha.mV[3]);
+		gStarsProgram.bind();
+		gStarsProgram.uniform1f(sCustomAlpha, star_alpha.mV[3]);
 	}
 	else
 	{
@@ -288,7 +288,7 @@ void LLDrawPoolWLSky::renderStars(const LLVector3& camPosLocal) const
 
 	if (LLGLSLShader::sNoFixedFunction)
 	{
-		gCustomAlphaProgram.unbind();
+		gStarsProgram.unbind(); // SL-14113 was gCustomAlphaProgram
 	}
 	else
 	{
@@ -476,7 +476,8 @@ void LLDrawPoolWLSky::renderSkyClouds(const LLVector3& camPosLocal, F32 camHeigh
 
 void LLDrawPoolWLSky::renderHeavenlyBodies()
 {
-	LLGLSPipelineBlendSkyBox gls_skybox(true, false);
+	//LLGLSPipelineBlendSkyBox gls_skybox(true, false);
+    LLGLSPipelineBlendSkyBox gls_skybox(true, true); // SL-14113 we need moon to write to depth to clip stars behind
 
     LLVector3 const & origin = LLViewerCamera::getInstance()->getOrigin();
 	gGL.pushMatrix();
@@ -606,8 +607,8 @@ void LLDrawPoolWLSky::renderDeferred(S32 pass)
     if (gPipeline.canUseWindLightShaders())
     {
         renderSkyHazeDeferred(origin, camHeightLocal);
-        renderStarsDeferred(origin);
         renderHeavenlyBodies();
+        renderStarsDeferred(origin);
         renderSkyCloudsDeferred(origin, camHeightLocal, cloud_shader);
     }
     gGL.setColorMask(true, true);
@@ -625,8 +626,8 @@ void LLDrawPoolWLSky::render(S32 pass)
     LLVector3 const & origin = LLViewerCamera::getInstance()->getOrigin();
     
 	renderSkyHaze(origin, camHeightLocal);    
+    renderHeavenlyBodies();
     renderStars(origin);
-    renderHeavenlyBodies();	
 	renderSkyClouds(origin, camHeightLocal, cloud_shader);
 
 	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index be5c22e7c3..8eb57799c9 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -78,7 +78,7 @@ LLGLSLShader			gTransformTangentProgram;
 //utility shaders
 LLGLSLShader	gOcclusionProgram;
 LLGLSLShader	gOcclusionCubeProgram;
-LLGLSLShader	gCustomAlphaProgram;
+LLGLSLShader	gCustomAlphaProgram; // SL-14113 This used to be used for the stars with Atmospheric Shaders: OFF
 LLGLSLShader	gGlowCombineProgram;
 LLGLSLShader	gSplatTextureRectProgram;
 LLGLSLShader	gGlowCombineFXAAProgram;
@@ -148,6 +148,8 @@ LLGLSLShader		gSkinnedObjectFullbrightShinyWaterProgram;
 LLGLSLShader		gSkinnedObjectShinySimpleWaterProgram;
 
 //environment shaders
+LLGLSLShader		gMoonProgram;
+LLGLSLShader		gStarsProgram;
 LLGLSLShader		gTerrainProgram;
 LLGLSLShader		gTerrainWaterProgram;
 LLGLSLShader		gWaterProgram;
@@ -819,6 +821,9 @@ void LLViewerShaderMgr::unloadShaders()
 	gWaterProgram.unload();
     gWaterEdgeProgram.unload();
 	gUnderWaterProgram.unload();
+
+	gMoonProgram.unload();
+	gStarsProgram.unload();
 	gTerrainProgram.unload();
 	gTerrainWaterProgram.unload();
 	gGlowProgram.unload();
@@ -1051,6 +1056,32 @@ BOOL LLViewerShaderMgr::loadShadersEnvironment()
 		llassert(success);
 	}
 
+	if (success)
+	{
+		gStarsProgram.mName = "Environment Stars Shader";
+		gStarsProgram.mShaderFiles.clear();
+		gStarsProgram.mShaderFiles.push_back(make_pair("environment/starsV.glsl", GL_VERTEX_SHADER_ARB));
+		gStarsProgram.mShaderFiles.push_back(make_pair("environment/starsF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gStarsProgram.mShaderLevel = mShaderLevel[SHADER_ENVIRONMENT];
+		success = gStarsProgram.createShader(NULL, NULL);
+		llassert(success);
+	}
+
+	if (success)
+	{
+		gMoonProgram.mName = "Environment Moon Shader";
+		gMoonProgram.mShaderFiles.clear();
+		gMoonProgram.mShaderFiles.push_back(make_pair("environment/moonV.glsl", GL_VERTEX_SHADER_ARB));
+		gMoonProgram.mShaderFiles.push_back(make_pair("environment/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gMoonProgram.mShaderLevel = mShaderLevel[SHADER_ENVIRONMENT];
+		success = gMoonProgram.createShader(NULL, NULL);
+		if (success)
+		{
+			gMoonProgram.bind();
+			gMoonProgram.uniform1i(sTex0, 0);
+		}
+	}
+
 	if (!success)
 	{
 		mShaderLevel[SHADER_ENVIRONMENT] = 0;
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index 081221f15b..5122558a01 100644
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -234,6 +234,8 @@ extern LLGLSLShader			gSkinnedObjectFullbrightShinyWaterProgram;
 extern LLGLSLShader			gSkinnedObjectShinySimpleWaterProgram;
 
 //environment shaders
+extern LLGLSLShader			gMoonProgram;
+extern LLGLSLShader			gStarsProgram;
 extern LLGLSLShader			gTerrainProgram;
 extern LLGLSLShader			gTerrainWaterProgram;
 extern LLGLSLShader			gWaterProgram;
-- 
cgit v1.2.3


From d3cf486ea9eb5b3e7b51141a364a088dbba5054a Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Tue, 13 Apr 2021 10:54:02 -0700
Subject: SL-14113 Cleanup typo and cross reference

---
 indra/newview/app_settings/shaders/class1/deferred/starsF.glsl   | 2 +-
 indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

(limited to 'indra/newview')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
index 50f10ad0fa..b028c40ed9 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
@@ -52,7 +52,7 @@ float twinkle(){
 void main() 
 {
 	// camera above water: class1\deferred\starsF.glsl
-	// camera below water: starsF.glsl
+	// camera below water: class1\environment\starsF.glsl
     vec4 col_a = texture2D(diffuseMap, vary_texcoord0.xy);
     vec4 col_b = texture2D(diffuseMap, vary_texcoord0.xy);
     vec4 col = mix(col_b, col_a, blend_factor);
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
index d89cc69d71..1c592402d4 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
@@ -129,7 +129,7 @@ void main()
     frag_color = vec4(color.rgb, alpha1);
 
     // SL-14113 Moon Haze -- When the camera is underwater fix clouds clipping into moon
-    // camera above water: class1\defered\cloudsF.glsl
+    // camera above water: class1\deferred\cloudsF.glsl
     // camera below water: class2\windlight\coudsV.glsl
     // See: starsV.glsl, cloudsV.glsl, moonF.glsl
     gl_FragDepth = 0.999985;
-- 
cgit v1.2.3


From 41473f7c506d8b9bb719d11ecac13c2ac516ef60 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Tue, 13 Apr 2021 11:35:36 -0700
Subject: SL-14113 Cleanup face magic number

---
 indra/newview/lldrawpoolsky.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'indra/newview')

diff --git a/indra/newview/lldrawpoolsky.cpp b/indra/newview/lldrawpoolsky.cpp
index 96b4a91b0f..77b8a1fc32 100644
--- a/indra/newview/lldrawpoolsky.cpp
+++ b/indra/newview/lldrawpoolsky.cpp
@@ -123,7 +123,7 @@ void LLDrawPoolSky::renderSkyFace(U8 index)
 		return;
 	}
 
-    if (index < 6) // sky tex...interp
+    if (index < LLVOSky::FACE_SUN) // sky tex...interp
     {
         llassert(mSkyTex);
 	    mSkyTex[index].bindTexture(true); // bind the current tex
-- 
cgit v1.2.3


From 9ff19f4d50ed163c4b0ad4255ca618f27f98a3a3 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Tue, 13 Apr 2021 11:36:33 -0700
Subject: SL-14113 Cleanup indentation

---
 indra/newview/lldrawpoolsky.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'indra/newview')

diff --git a/indra/newview/lldrawpoolsky.cpp b/indra/newview/lldrawpoolsky.cpp
index 77b8a1fc32..178564b0d4 100644
--- a/indra/newview/lldrawpoolsky.cpp
+++ b/indra/newview/lldrawpoolsky.cpp
@@ -116,17 +116,17 @@ void LLDrawPoolSky::render(S32 pass)
 
 void LLDrawPoolSky::renderSkyFace(U8 index)
 {
-	LLFace* face = mDrawFace[index];
+    LLFace* face = mDrawFace[index];
 
-	if (!face || !face->getGeomCount())
-	{
-		return;
-	}
+    if (!face || !face->getGeomCount())
+    {
+        return;
+    }
 
     if (index < LLVOSky::FACE_SUN) // sky tex...interp
     {
         llassert(mSkyTex);
-	    mSkyTex[index].bindTexture(true); // bind the current tex
+        mSkyTex[index].bindTexture(true); // bind the current tex
 
         face->renderIndexed();
     }
-- 
cgit v1.2.3


From 70527ee66ca869184aba14db73e3ab3f1bd5e1c3 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Mon, 12 Apr 2021 16:58:18 -0700
Subject: SL-14113 Fix moon haze

---
 .../shaders/class1/deferred/cloudsF.glsl           |  2 +-
 .../shaders/class1/deferred/moonF.glsl             |  6 +++
 .../shaders/class1/deferred/starsF.glsl            |  7 ++-
 .../shaders/class1/environment/moonF.glsl          | 51 ++++++++++++++++++++++
 .../shaders/class1/environment/moonV.glsl          | 38 ++++++++++++++++
 .../shaders/class1/environment/starsF.glsl         | 51 ++++++++++++++++++++++
 .../shaders/class1/environment/starsV.glsl         | 41 +++++++++++++++++
 .../shaders/class1/windlight/moonF.glsl            |  7 +++
 .../shaders/class2/windlight/cloudsF.glsl          |  6 +++
 indra/newview/lldrawpoolsky.cpp                    | 19 ++++++++
 indra/newview/lldrawpoolwlsky.cpp                  | 13 +++---
 indra/newview/llviewershadermgr.cpp                | 33 +++++++++++++-
 indra/newview/llviewershadermgr.h                  |  2 +
 13 files changed, 267 insertions(+), 9 deletions(-)
 create mode 100644 indra/newview/app_settings/shaders/class1/environment/moonF.glsl
 create mode 100644 indra/newview/app_settings/shaders/class1/environment/moonV.glsl
 create mode 100644 indra/newview/app_settings/shaders/class1/environment/starsF.glsl
 create mode 100644 indra/newview/app_settings/shaders/class1/environment/starsV.glsl

(limited to 'indra/newview')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
index ae1ac5de7f..187fed72e1 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
@@ -126,6 +126,6 @@ void main()
     frag_data[1] = vec4(0.0,0.0,0.0,0.0);
     frag_data[2] = vec4(0,0,0,1);
 
-    gl_FragDepth = 0.99995f;
+    gl_FragDepth = 0.999985; // SL-14113 Stars and Clouds need same depth
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
index 35068899ee..5906194437 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
@@ -55,6 +55,12 @@ void main()
         fade = clamp( moon_dir.z*moon_dir.z*4.0, 0.0, 1.0 );
 
     vec4 c      = texture2D(diffuseMap, vary_texcoord0.xy);
+
+    // SL-14113 Don't write to depth; prevent moon's quad from hiding stars which should be visible
+    // Moon texture has transparent pixels <0x55,0x55,0x55,0x00>
+    if (c.a <= 2./255.) // 0.00784
+        discard;
+
 //       c.rgb  = srgb_to_linear(c.rgb);
          c.rgb *= moonlight_color.rgb;
          c.rgb *= moon_brightness;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
index bac79a9fdc..50f10ad0fa 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
@@ -46,8 +46,13 @@ float twinkle(){
     return abs(d);
 }
 
+// See:
+// ALM off: class1/environment/starsF.glsl
+// ALM on : class1/deferred/starsF.glsl
 void main() 
 {
+	// camera above water: class1\deferred\starsF.glsl
+	// camera below water: starsF.glsl
     vec4 col_a = texture2D(diffuseMap, vary_texcoord0.xy);
     vec4 col_b = texture2D(diffuseMap, vary_texcoord0.xy);
     vec4 col = mix(col_b, col_a, blend_factor);
@@ -62,6 +67,6 @@ void main()
     frag_data[1] = vec4(0.0f);
     frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0);
 
-    gl_FragDepth = 0.99995f;
+    gl_FragDepth = 0.999995f; // SL-14113 Moon Haze -- Stars need to depth test behind the moon
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/environment/moonF.glsl b/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
new file mode 100644
index 0000000000..e1592c19fb
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
@@ -0,0 +1,51 @@
+/** 
+ * @file class1/environment/moonF.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2021, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+
+uniform sampler2D tex0;
+
+VARYING vec2 vary_texcoord0;
+
+// See:
+// AS  off: class1/environment/moonF.glsl
+// ALM off: class1/windlight/moonF.glsl
+// ALM on : class1/deferred/moonF.glsl
+void main() 
+{
+    vec4 color = texture2D(tex0, vary_texcoord0.xy);
+
+    // SL-14113 Don't write to depth; prevent moon's quad from hiding stars which should be visible
+    // Moon texture has transparent pixels <0x55,0x55,0x55,0x00>
+    if (color.a <= 2./255.) // 0.00784
+        discard;
+
+    frag_color = color;
+    gl_FragDepth = 0.999985f; // SL-14113 Moon is infront of stars
+}
diff --git a/indra/newview/app_settings/shaders/class1/environment/moonV.glsl b/indra/newview/app_settings/shaders/class1/environment/moonV.glsl
new file mode 100644
index 0000000000..1fc421a295
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/environment/moonV.glsl
@@ -0,0 +1,38 @@
+/** 
+ * @file class1\environment\moonV.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2021, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+ 
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec2 texcoord0;
+
+VARYING vec2 vary_texcoord0;
+
+void main()
+{
+	gl_Position = modelview_projection_matrix * vec4(position, 1);
+	vary_texcoord0 = texcoord0;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/environment/starsF.glsl b/indra/newview/app_settings/shaders/class1/environment/starsF.glsl
new file mode 100644
index 0000000000..95ab4cbf8b
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/environment/starsF.glsl
@@ -0,0 +1,51 @@
+/** 
+ * @file class1/environment/starsF.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2021, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+
+uniform sampler2D diffuseMap;
+
+uniform float custom_alpha;
+
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+
+// See:
+// ALM off: class1/environment/starsF.glsl
+// ALM on : class1/deferred/starsF.glsl
+void main() 
+{
+    vec4 color = texture2D(diffuseMap, vary_texcoord0.xy);
+    color.rgb = pow(color.rgb, vec3(0.45));
+    color.rgb *= vertex_color.rgb;
+    color.a *= max(custom_alpha, vertex_color.a);
+
+    frag_color = color;
+    gl_FragDepth = 0.999995f; // SL-14113 Moon Haze -- Stars need to depth test behind the moon
+}
diff --git a/indra/newview/app_settings/shaders/class1/environment/starsV.glsl b/indra/newview/app_settings/shaders/class1/environment/starsV.glsl
new file mode 100644
index 0000000000..6fcfec6b6a
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/environment/starsV.glsl
@@ -0,0 +1,41 @@
+/** 
+ * @file class1/environment/starsV.glsl
+ *
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2021, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec4 diffuse_color;
+ATTRIBUTE vec2 texcoord0;
+
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+
+void main()
+{
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+	vary_texcoord0 = texcoord0;
+	vertex_color = diffuse_color;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
index 2425a2ad04..327accbd3b 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
@@ -52,6 +52,12 @@ void main()
         fade = clamp( moon_dir.z*moon_dir.z*4.0, 0.0, 1.0 );
 
     vec4 c     = texture2D(diffuseMap, vary_texcoord0.xy);
+
+    // SL-14113 Don't write to depth; prevent moon's quad from hiding stars which should be visible
+    // Moon texture has transparent pixels <0x55,0x55,0x55,0x00>
+    if (c.a <= 2./255.) // 0.00784
+        discard;
+
 //       c.rgb = pow(c.rgb, vec3(0.7f)); // can't use "srgb_to_linear(color.rgb)" as that is a deferred only function
          c.rgb *= moonlight_color.rgb;
          c.rgb *= moon_brightness;
@@ -62,5 +68,6 @@ void main()
          c.rgb  = scaleSoftClip(c.rgb);
 
     frag_color = vec4(c.rgb, c.a);
+    gl_FragDepth = 0.999985f; // SL-14113
 }
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
index fa928d993e..d89cc69d71 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
@@ -127,5 +127,11 @@ void main()
 
     /// Gamma correct for WL (soft clip effect).
     frag_color = vec4(color.rgb, alpha1);
+
+    // SL-14113 Moon Haze -- When the camera is underwater fix clouds clipping into moon
+    // camera above water: class1\defered\cloudsF.glsl
+    // camera below water: class2\windlight\coudsV.glsl
+    // See: starsV.glsl, cloudsV.glsl, moonF.glsl
+    gl_FragDepth = 0.999985;
 }
 
diff --git a/indra/newview/lldrawpoolsky.cpp b/indra/newview/lldrawpoolsky.cpp
index b6f55e800a..96b4a91b0f 100644
--- a/indra/newview/lldrawpoolsky.cpp
+++ b/indra/newview/lldrawpoolsky.cpp
@@ -130,13 +130,32 @@ void LLDrawPoolSky::renderSkyFace(U8 index)
 
         face->renderIndexed();
     }
+    else // Moon
+    if (index == LLVOSky::FACE_MOON)
+    {
+        LLGLSPipelineDepthTestSkyBox gls_skybox(true, true); // SL-14113 Write depth for moon so stars can test if behind it
+
+        LLGLEnable blend(GL_BLEND);
+
+        // if (LLGLSLShader::sNoFixedFunction) // TODO: Necessary? is this always true? We already bailed on gPipeline.canUseWindLightShaders ... above
+        LLViewerTexture* tex = face->getTexture(LLRender::DIFFUSE_MAP);
+        if (tex)
+        {
+            gMoonProgram.bind(); // SL-14113 was gOneTextureNoColorProgram
+            gGL.getTexUnit(0)->bind(tex, true);
+            face->renderIndexed();
+        }
+    }
     else // heavenly body faces, no interp...
     {
+        LLGLSPipelineDepthTestSkyBox gls_skybox(true, false); // reset to previous
+
         LLGLEnable blend(GL_BLEND);
 
         LLViewerTexture* tex = face->getTexture(LLRender::DIFFUSE_MAP);
         if (tex)
         {
+            gOneTextureNoColorProgram.bind();
             gGL.getTexUnit(0)->bind(tex, true);
             face->renderIndexed();
         }
diff --git a/indra/newview/lldrawpoolwlsky.cpp b/indra/newview/lldrawpoolwlsky.cpp
index c66aa905f5..436ecabd83 100644
--- a/indra/newview/lldrawpoolwlsky.cpp
+++ b/indra/newview/lldrawpoolwlsky.cpp
@@ -270,8 +270,8 @@ void LLDrawPoolWLSky::renderStars(const LLVector3& camPosLocal) const
 	gGL.rotatef(gFrameTimeSeconds*0.01f, 0.f, 0.f, 1.f);
 	if (LLGLSLShader::sNoFixedFunction)
 	{
-		gCustomAlphaProgram.bind();
-		gCustomAlphaProgram.uniform1f(sCustomAlpha, star_alpha.mV[3]);
+		gStarsProgram.bind();
+		gStarsProgram.uniform1f(sCustomAlpha, star_alpha.mV[3]);
 	}
 	else
 	{
@@ -288,7 +288,7 @@ void LLDrawPoolWLSky::renderStars(const LLVector3& camPosLocal) const
 
 	if (LLGLSLShader::sNoFixedFunction)
 	{
-		gCustomAlphaProgram.unbind();
+		gStarsProgram.unbind(); // SL-14113 was gCustomAlphaProgram
 	}
 	else
 	{
@@ -477,7 +477,8 @@ void LLDrawPoolWLSky::renderSkyClouds(const LLVector3& camPosLocal, F32 camHeigh
 
 void LLDrawPoolWLSky::renderHeavenlyBodies()
 {
-	LLGLSPipelineBlendSkyBox gls_skybox(true, false);
+	//LLGLSPipelineBlendSkyBox gls_skybox(true, false);
+    LLGLSPipelineBlendSkyBox gls_skybox(true, true); // SL-14113 we need moon to write to depth to clip stars behind
 
     LLVector3 const & origin = LLViewerCamera::getInstance()->getOrigin();
 	gGL.pushMatrix();
@@ -607,8 +608,8 @@ void LLDrawPoolWLSky::renderDeferred(S32 pass)
     if (gPipeline.canUseWindLightShaders())
     {
         renderSkyHazeDeferred(origin, camHeightLocal);
-        renderStarsDeferred(origin);
         renderHeavenlyBodies();
+        renderStarsDeferred(origin);
         renderSkyCloudsDeferred(origin, camHeightLocal, cloud_shader);
     }
     gGL.setColorMask(true, true);
@@ -626,8 +627,8 @@ void LLDrawPoolWLSky::render(S32 pass)
     LLVector3 const & origin = LLViewerCamera::getInstance()->getOrigin();
     
 	renderSkyHaze(origin, camHeightLocal);    
+    renderHeavenlyBodies();
     renderStars(origin);
-    renderHeavenlyBodies();	
 	renderSkyClouds(origin, camHeightLocal, cloud_shader);
 
 	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index be5c22e7c3..8eb57799c9 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -78,7 +78,7 @@ LLGLSLShader			gTransformTangentProgram;
 //utility shaders
 LLGLSLShader	gOcclusionProgram;
 LLGLSLShader	gOcclusionCubeProgram;
-LLGLSLShader	gCustomAlphaProgram;
+LLGLSLShader	gCustomAlphaProgram; // SL-14113 This used to be used for the stars with Atmospheric Shaders: OFF
 LLGLSLShader	gGlowCombineProgram;
 LLGLSLShader	gSplatTextureRectProgram;
 LLGLSLShader	gGlowCombineFXAAProgram;
@@ -148,6 +148,8 @@ LLGLSLShader		gSkinnedObjectFullbrightShinyWaterProgram;
 LLGLSLShader		gSkinnedObjectShinySimpleWaterProgram;
 
 //environment shaders
+LLGLSLShader		gMoonProgram;
+LLGLSLShader		gStarsProgram;
 LLGLSLShader		gTerrainProgram;
 LLGLSLShader		gTerrainWaterProgram;
 LLGLSLShader		gWaterProgram;
@@ -819,6 +821,9 @@ void LLViewerShaderMgr::unloadShaders()
 	gWaterProgram.unload();
     gWaterEdgeProgram.unload();
 	gUnderWaterProgram.unload();
+
+	gMoonProgram.unload();
+	gStarsProgram.unload();
 	gTerrainProgram.unload();
 	gTerrainWaterProgram.unload();
 	gGlowProgram.unload();
@@ -1051,6 +1056,32 @@ BOOL LLViewerShaderMgr::loadShadersEnvironment()
 		llassert(success);
 	}
 
+	if (success)
+	{
+		gStarsProgram.mName = "Environment Stars Shader";
+		gStarsProgram.mShaderFiles.clear();
+		gStarsProgram.mShaderFiles.push_back(make_pair("environment/starsV.glsl", GL_VERTEX_SHADER_ARB));
+		gStarsProgram.mShaderFiles.push_back(make_pair("environment/starsF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gStarsProgram.mShaderLevel = mShaderLevel[SHADER_ENVIRONMENT];
+		success = gStarsProgram.createShader(NULL, NULL);
+		llassert(success);
+	}
+
+	if (success)
+	{
+		gMoonProgram.mName = "Environment Moon Shader";
+		gMoonProgram.mShaderFiles.clear();
+		gMoonProgram.mShaderFiles.push_back(make_pair("environment/moonV.glsl", GL_VERTEX_SHADER_ARB));
+		gMoonProgram.mShaderFiles.push_back(make_pair("environment/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gMoonProgram.mShaderLevel = mShaderLevel[SHADER_ENVIRONMENT];
+		success = gMoonProgram.createShader(NULL, NULL);
+		if (success)
+		{
+			gMoonProgram.bind();
+			gMoonProgram.uniform1i(sTex0, 0);
+		}
+	}
+
 	if (!success)
 	{
 		mShaderLevel[SHADER_ENVIRONMENT] = 0;
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index 081221f15b..5122558a01 100644
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -234,6 +234,8 @@ extern LLGLSLShader			gSkinnedObjectFullbrightShinyWaterProgram;
 extern LLGLSLShader			gSkinnedObjectShinySimpleWaterProgram;
 
 //environment shaders
+extern LLGLSLShader			gMoonProgram;
+extern LLGLSLShader			gStarsProgram;
 extern LLGLSLShader			gTerrainProgram;
 extern LLGLSLShader			gTerrainWaterProgram;
 extern LLGLSLShader			gWaterProgram;
-- 
cgit v1.2.3


From bd9a6edbb53711e4a8ec2a178b4375db266844d3 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Tue, 13 Apr 2021 10:54:02 -0700
Subject: SL-14113 Cleanup typo and cross reference

---
 indra/newview/app_settings/shaders/class1/deferred/starsF.glsl   | 2 +-
 indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

(limited to 'indra/newview')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
index 50f10ad0fa..b028c40ed9 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
@@ -52,7 +52,7 @@ float twinkle(){
 void main() 
 {
 	// camera above water: class1\deferred\starsF.glsl
-	// camera below water: starsF.glsl
+	// camera below water: class1\environment\starsF.glsl
     vec4 col_a = texture2D(diffuseMap, vary_texcoord0.xy);
     vec4 col_b = texture2D(diffuseMap, vary_texcoord0.xy);
     vec4 col = mix(col_b, col_a, blend_factor);
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
index d89cc69d71..1c592402d4 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
@@ -129,7 +129,7 @@ void main()
     frag_color = vec4(color.rgb, alpha1);
 
     // SL-14113 Moon Haze -- When the camera is underwater fix clouds clipping into moon
-    // camera above water: class1\defered\cloudsF.glsl
+    // camera above water: class1\deferred\cloudsF.glsl
     // camera below water: class2\windlight\coudsV.glsl
     // See: starsV.glsl, cloudsV.glsl, moonF.glsl
     gl_FragDepth = 0.999985;
-- 
cgit v1.2.3


From 63027bacf9b96202532a2dd47126ff8430723059 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Tue, 13 Apr 2021 11:35:36 -0700
Subject: SL-14113 Cleanup face magic number

---
 indra/newview/lldrawpoolsky.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'indra/newview')

diff --git a/indra/newview/lldrawpoolsky.cpp b/indra/newview/lldrawpoolsky.cpp
index 96b4a91b0f..77b8a1fc32 100644
--- a/indra/newview/lldrawpoolsky.cpp
+++ b/indra/newview/lldrawpoolsky.cpp
@@ -123,7 +123,7 @@ void LLDrawPoolSky::renderSkyFace(U8 index)
 		return;
 	}
 
-    if (index < 6) // sky tex...interp
+    if (index < LLVOSky::FACE_SUN) // sky tex...interp
     {
         llassert(mSkyTex);
 	    mSkyTex[index].bindTexture(true); // bind the current tex
-- 
cgit v1.2.3


From 26f3c078363e3a8bd0ee284c7cd54e9f2b979e7b Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Tue, 13 Apr 2021 11:36:33 -0700
Subject: SL-14113 Cleanup indentation

---
 indra/newview/lldrawpoolsky.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'indra/newview')

diff --git a/indra/newview/lldrawpoolsky.cpp b/indra/newview/lldrawpoolsky.cpp
index 77b8a1fc32..178564b0d4 100644
--- a/indra/newview/lldrawpoolsky.cpp
+++ b/indra/newview/lldrawpoolsky.cpp
@@ -116,17 +116,17 @@ void LLDrawPoolSky::render(S32 pass)
 
 void LLDrawPoolSky::renderSkyFace(U8 index)
 {
-	LLFace* face = mDrawFace[index];
+    LLFace* face = mDrawFace[index];
 
-	if (!face || !face->getGeomCount())
-	{
-		return;
-	}
+    if (!face || !face->getGeomCount())
+    {
+        return;
+    }
 
     if (index < LLVOSky::FACE_SUN) // sky tex...interp
     {
         llassert(mSkyTex);
-	    mSkyTex[index].bindTexture(true); // bind the current tex
+        mSkyTex[index].bindTexture(true); // bind the current tex
 
         face->renderIndexed();
     }
-- 
cgit v1.2.3


From 7c3a511935a16e0e99b8a5a57edd69a9290465a2 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Thu, 29 Apr 2021 08:41:50 -0700
Subject: SL-14113: Remove magic numbers. Take advantage of existing shader
 #defines injection by extending shader loading to make use of addConstant()
 instead of hard-coding magic number constants in each GLSL file.

---
 indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl   | 2 +-
 indra/newview/app_settings/shaders/class1/deferred/moonF.glsl     | 2 +-
 indra/newview/app_settings/shaders/class1/deferred/starsF.glsl    | 2 +-
 indra/newview/app_settings/shaders/class1/environment/moonF.glsl  | 2 +-
 indra/newview/app_settings/shaders/class1/environment/starsF.glsl | 2 +-
 indra/newview/app_settings/shaders/class1/windlight/moonF.glsl    | 2 +-
 indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl  | 2 +-
 indra/newview/llviewershadermgr.cpp                               | 8 ++++++++
 8 files changed, 15 insertions(+), 7 deletions(-)

(limited to 'indra/newview')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
index 187fed72e1..ad8ab771b8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
@@ -126,6 +126,6 @@ void main()
     frag_data[1] = vec4(0.0,0.0,0.0,0.0);
     frag_data[2] = vec4(0,0,0,1);
 
-    gl_FragDepth = 0.999985; // SL-14113 Stars and Clouds need same depth
+    gl_FragDepth = LL_SHADER_CONST_CLOUD_DEPTH; // SL-14113 Stars and Clouds need same depth
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
index 5906194437..ffeaf2b600 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
@@ -74,6 +74,6 @@ void main()
     frag_data[1] = vec4(0.0);
     frag_data[2] = vec4(0.0f);
 
-    gl_FragDepth = 0.999985f;
+    gl_FragDepth = LL_SHADER_CONST_MOON_DEPTH; // SL-14113
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
index b028c40ed9..8d9c7e3507 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
@@ -67,6 +67,6 @@ void main()
     frag_data[1] = vec4(0.0f);
     frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0);
 
-    gl_FragDepth = 0.999995f; // SL-14113 Moon Haze -- Stars need to depth test behind the moon
+    gl_FragDepth = LL_SHADER_CONST_STAR_DEPTH; // SL-14113 Moon Haze -- Stars need to depth test behind the moon
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/environment/moonF.glsl b/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
index e1592c19fb..983cd17979 100644
--- a/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
@@ -47,5 +47,5 @@ void main()
         discard;
 
     frag_color = color;
-    gl_FragDepth = 0.999985f; // SL-14113 Moon is infront of stars
+    gl_FragDepth = LL_SHADER_CONST_MOON_DEPTH; // SL-14113 Moon is infront of stars
 }
diff --git a/indra/newview/app_settings/shaders/class1/environment/starsF.glsl b/indra/newview/app_settings/shaders/class1/environment/starsF.glsl
index 95ab4cbf8b..e1a9cc6387 100644
--- a/indra/newview/app_settings/shaders/class1/environment/starsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/starsF.glsl
@@ -47,5 +47,5 @@ void main()
     color.a *= max(custom_alpha, vertex_color.a);
 
     frag_color = color;
-    gl_FragDepth = 0.999995f; // SL-14113 Moon Haze -- Stars need to depth test behind the moon
+    gl_FragDepth = LL_SHADER_CONST_STAR_DEPTH; // SL-14113 Moon Haze -- Stars need to depth test behind the moon
 }
diff --git a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
index 327accbd3b..293e09620f 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
@@ -68,6 +68,6 @@ void main()
          c.rgb  = scaleSoftClip(c.rgb);
 
     frag_color = vec4(c.rgb, c.a);
-    gl_FragDepth = 0.999985f; // SL-14113
+    gl_FragDepth = LL_SHADER_CONST_MOON_DEPTH; // SL-14113
 }
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
index 1c592402d4..ec53ae75f9 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
@@ -132,6 +132,6 @@ void main()
     // camera above water: class1\deferred\cloudsF.glsl
     // camera below water: class2\windlight\coudsV.glsl
     // See: starsV.glsl, cloudsV.glsl, moonF.glsl
-    gl_FragDepth = 0.999985;
+    gl_FragDepth = LL_SHADER_CONST_CLOUD_DEPTH;
 }
 
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 8eb57799c9..1dcd9289ef 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -1063,6 +1063,7 @@ BOOL LLViewerShaderMgr::loadShadersEnvironment()
 		gStarsProgram.mShaderFiles.push_back(make_pair("environment/starsV.glsl", GL_VERTEX_SHADER_ARB));
 		gStarsProgram.mShaderFiles.push_back(make_pair("environment/starsF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gStarsProgram.mShaderLevel = mShaderLevel[SHADER_ENVIRONMENT];
+        gStarsProgram.addConstant( LLGLSLShader::SHADER_CONST_STAR_DEPTH ); // SL-14113
 		success = gStarsProgram.createShader(NULL, NULL);
 		llassert(success);
 	}
@@ -1074,8 +1075,10 @@ BOOL LLViewerShaderMgr::loadShadersEnvironment()
 		gMoonProgram.mShaderFiles.push_back(make_pair("environment/moonV.glsl", GL_VERTEX_SHADER_ARB));
 		gMoonProgram.mShaderFiles.push_back(make_pair("environment/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gMoonProgram.mShaderLevel = mShaderLevel[SHADER_ENVIRONMENT];
+        gMoonProgram.addConstant( LLGLSLShader::SHADER_CONST_MOON_DEPTH ); // SL-14113
 		success = gMoonProgram.createShader(NULL, NULL);
 		if (success)
+
 		{
 			gMoonProgram.bind();
 			gMoonProgram.uniform1i(sTex0, 0);
@@ -2750,6 +2753,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWLCloudProgram.mShaderFiles.push_back(make_pair("deferred/cloudsF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredWLCloudProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredWLCloudProgram.mShaderGroup = LLGLSLShader::SG_SKY;
+        gDeferredWLCloudProgram.addConstant( LLGLSLShader::SHADER_CONST_CLOUD_DEPTH ); // SL-14113
 		success = gDeferredWLCloudProgram.createShader(NULL, NULL);
 		llassert(success);
 	}
@@ -2789,6 +2793,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredWLMoonProgram.mShaderFiles.push_back(make_pair("deferred/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
         gDeferredWLMoonProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
         gDeferredWLMoonProgram.mShaderGroup = LLGLSLShader::SG_SKY;
+        gDeferredWLMoonProgram.addConstant( LLGLSLShader::SHADER_CONST_MOON_DEPTH ); // SL-14113
  	 	success = gDeferredWLMoonProgram.createShader(NULL, NULL);
         llassert(success);
  	}
@@ -2801,6 +2806,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredStarProgram.mShaderFiles.push_back(make_pair("deferred/starsF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredStarProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredStarProgram.mShaderGroup = LLGLSLShader::SG_SKY;
+        gDeferredStarProgram.addConstant( LLGLSLShader::SHADER_CONST_STAR_DEPTH ); // SL-14113
 		success = gDeferredStarProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -4157,6 +4163,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
         gWLCloudProgram.mShaderFiles.push_back(make_pair("windlight/cloudsF.glsl", GL_FRAGMENT_SHADER_ARB));
         gWLCloudProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
         gWLCloudProgram.mShaderGroup = LLGLSLShader::SG_SKY;
+        gWLCloudProgram.addConstant( LLGLSLShader::SHADER_CONST_CLOUD_DEPTH ); // SL-14113
         success = gWLCloudProgram.createShader(NULL, NULL);
     }
 
@@ -4193,6 +4200,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
         gWLMoonProgram.mShaderFiles.push_back(make_pair("windlight/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
         gWLMoonProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
         gWLMoonProgram.mShaderGroup = LLGLSLShader::SG_SKY;
+        gWLMoonProgram.addConstant( LLGLSLShader::SHADER_CONST_MOON_DEPTH ); // SL-14113
         success = gWLMoonProgram.createShader(NULL, NULL);
     }
 
-- 
cgit v1.2.3


From 2908f99510ae91c7099b544693ae7628905d8244 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Thu, 29 Apr 2021 10:27:09 -0700
Subject: SL-14113: Merge duplicate shader constant for clarity.

---
 .../newview/app_settings/shaders/class1/deferred/cloudsF.glsl  |  2 +-
 indra/newview/app_settings/shaders/class1/deferred/moonF.glsl  |  2 +-
 .../newview/app_settings/shaders/class1/environment/moonF.glsl |  2 +-
 indra/newview/app_settings/shaders/class1/windlight/moonF.glsl |  2 +-
 .../newview/app_settings/shaders/class2/windlight/cloudsF.glsl |  2 +-
 indra/newview/llviewershadermgr.cpp                            | 10 +++++-----
 6 files changed, 10 insertions(+), 10 deletions(-)

(limited to 'indra/newview')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
index ad8ab771b8..f1187fef9a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
@@ -126,6 +126,6 @@ void main()
     frag_data[1] = vec4(0.0,0.0,0.0,0.0);
     frag_data[2] = vec4(0,0,0,1);
 
-    gl_FragDepth = LL_SHADER_CONST_CLOUD_DEPTH; // SL-14113 Stars and Clouds need same depth
+    gl_FragDepth = LL_SHADER_CONST_CLOUD_MOON_DEPTH; // SL-14113 Stars and Clouds need same depth
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
index ffeaf2b600..e709d73bfa 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
@@ -74,6 +74,6 @@ void main()
     frag_data[1] = vec4(0.0);
     frag_data[2] = vec4(0.0f);
 
-    gl_FragDepth = LL_SHADER_CONST_MOON_DEPTH; // SL-14113
+    gl_FragDepth = LL_SHADER_CONST_CLOUD_MOON_DEPTH; // SL-14113
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/environment/moonF.glsl b/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
index 983cd17979..a220971f06 100644
--- a/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/moonF.glsl
@@ -47,5 +47,5 @@ void main()
         discard;
 
     frag_color = color;
-    gl_FragDepth = LL_SHADER_CONST_MOON_DEPTH; // SL-14113 Moon is infront of stars
+    gl_FragDepth = LL_SHADER_CONST_CLOUD_MOON_DEPTH; // SL-14113 Moon is infront of stars
 }
diff --git a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
index 293e09620f..2e0932343b 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/moonF.glsl
@@ -68,6 +68,6 @@ void main()
          c.rgb  = scaleSoftClip(c.rgb);
 
     frag_color = vec4(c.rgb, c.a);
-    gl_FragDepth = LL_SHADER_CONST_MOON_DEPTH; // SL-14113
+    gl_FragDepth = LL_SHADER_CONST_CLOUD_MOON_DEPTH; // SL-14113
 }
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
index ec53ae75f9..490fde7cf6 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
@@ -132,6 +132,6 @@ void main()
     // camera above water: class1\deferred\cloudsF.glsl
     // camera below water: class2\windlight\coudsV.glsl
     // See: starsV.glsl, cloudsV.glsl, moonF.glsl
-    gl_FragDepth = LL_SHADER_CONST_CLOUD_DEPTH;
+    gl_FragDepth = LL_SHADER_CONST_CLOUD_MOON_DEPTH;
 }
 
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 32329dfde8..43e9a2333e 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -1075,7 +1075,7 @@ BOOL LLViewerShaderMgr::loadShadersEnvironment()
 		gMoonProgram.mShaderFiles.push_back(make_pair("environment/moonV.glsl", GL_VERTEX_SHADER_ARB));
 		gMoonProgram.mShaderFiles.push_back(make_pair("environment/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gMoonProgram.mShaderLevel = mShaderLevel[SHADER_ENVIRONMENT];
-        gMoonProgram.addConstant( LLGLSLShader::SHADER_CONST_MOON_DEPTH ); // SL-14113
+        gMoonProgram.addConstant( LLGLSLShader::SHADER_CONST_CLOUD_MOON_DEPTH ); // SL-14113
 		success = gMoonProgram.createShader(NULL, NULL);
 		if (success)
 		{
@@ -2752,7 +2752,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWLCloudProgram.mShaderFiles.push_back(make_pair("deferred/cloudsF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredWLCloudProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredWLCloudProgram.mShaderGroup = LLGLSLShader::SG_SKY;
-        gDeferredWLCloudProgram.addConstant( LLGLSLShader::SHADER_CONST_CLOUD_DEPTH ); // SL-14113
+        gDeferredWLCloudProgram.addConstant( LLGLSLShader::SHADER_CONST_CLOUD_MOON_DEPTH ); // SL-14113
 		success = gDeferredWLCloudProgram.createShader(NULL, NULL);
 		llassert(success);
 	}
@@ -2792,7 +2792,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredWLMoonProgram.mShaderFiles.push_back(make_pair("deferred/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
         gDeferredWLMoonProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
         gDeferredWLMoonProgram.mShaderGroup = LLGLSLShader::SG_SKY;
-        gDeferredWLMoonProgram.addConstant( LLGLSLShader::SHADER_CONST_MOON_DEPTH ); // SL-14113
+        gDeferredWLMoonProgram.addConstant( LLGLSLShader::SHADER_CONST_CLOUD_MOON_DEPTH ); // SL-14113
  	 	success = gDeferredWLMoonProgram.createShader(NULL, NULL);
         llassert(success);
  	}
@@ -4162,7 +4162,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
         gWLCloudProgram.mShaderFiles.push_back(make_pair("windlight/cloudsF.glsl", GL_FRAGMENT_SHADER_ARB));
         gWLCloudProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
         gWLCloudProgram.mShaderGroup = LLGLSLShader::SG_SKY;
-        gWLCloudProgram.addConstant( LLGLSLShader::SHADER_CONST_CLOUD_DEPTH ); // SL-14113
+        gWLCloudProgram.addConstant( LLGLSLShader::SHADER_CONST_CLOUD_MOON_DEPTH ); // SL-14113
         success = gWLCloudProgram.createShader(NULL, NULL);
     }
 
@@ -4199,7 +4199,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
         gWLMoonProgram.mShaderFiles.push_back(make_pair("windlight/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
         gWLMoonProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
         gWLMoonProgram.mShaderGroup = LLGLSLShader::SG_SKY;
-        gWLMoonProgram.addConstant( LLGLSLShader::SHADER_CONST_MOON_DEPTH ); // SL-14113
+        gWLMoonProgram.addConstant( LLGLSLShader::SHADER_CONST_CLOUD_MOON_DEPTH ); // SL-14113
         success = gWLMoonProgram.createShader(NULL, NULL);
     }
 
-- 
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