1 files changed, 28 insertions, 13 deletions

diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp
index d90c3be6c7..e9db37821b 100644
--- a/indra/newview/llvosky.cpp
+++ b/indra/newview/llvosky.cpp
@@ -2040,9 +2040,12 @@ void LLVOSky::updateFog(const F32 distance)
 {
 	if (!gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FOG))
 	{
-		glFogf(GL_FOG_DENSITY, 0);
-		glFogfv(GL_FOG_COLOR, (F32 *) &LLColor4::white.mV);
-		glFogf(GL_FOG_END, 1000000.f);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glFogf(GL_FOG_DENSITY, 0);
+			glFogfv(GL_FOG_COLOR, (F32 *) &LLColor4::white.mV);
+			glFogf(GL_FOG_END, 1000000.f);
+		}
 		return;
 	}
 
@@ -2112,7 +2115,10 @@ void LLVOSky::updateFog(const F32 distance)
 	if (camera_height > water_height)
 	{
 		LLColor4 fog(render_fog_color);
-		glFogfv(GL_FOG_COLOR, fog.mV);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glFogfv(GL_FOG_COLOR, fog.mV);
+		}
 		mGLFogCol = fog;
 
 		if (hide_clip_plane)
@@ -2120,13 +2126,19 @@ void LLVOSky::updateFog(const F32 distance)
 			// For now, set the density to extend to the cull distance.
 			const F32 f_log = 2.14596602628934723963618357029f; // sqrt(fabs(log(0.01f)))
 			fog_density = f_log/fog_distance;
-			glFogi(GL_FOG_MODE, GL_EXP2);
+			if (!LLGLSLShader::sNoFixedFunction)
+			{
+				glFogi(GL_FOG_MODE, GL_EXP2);
+			}
 		}
 		else
 		{
 			const F32 f_log = 4.6051701859880913680359829093687f; // fabs(log(0.01f))
 			fog_density = (f_log)/fog_distance;
-			glFogi(GL_FOG_MODE, GL_EXP);
+			if (!LLGLSLShader::sNoFixedFunction)
+			{
+				glFogi(GL_FOG_MODE, GL_EXP);
+			}
 		}
 	}
 	else
@@ -2146,24 +2158,27 @@ void LLVOSky::updateFog(const F32 distance)
 		fogCol.setAlpha(1);
 
 		// set the gl fog color
-		glFogfv(GL_FOG_COLOR, (F32 *) &fogCol.mV);
 		mGLFogCol = fogCol;
 
 		// set the density based on what the shaders use
 		fog_density = water_fog_density * gSavedSettings.getF32("WaterGLFogDensityScale");
-		glFogi(GL_FOG_MODE, GL_EXP2);
+
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glFogfv(GL_FOG_COLOR, (F32 *) &fogCol.mV);
+			glFogi(GL_FOG_MODE, GL_EXP2);
+		}
 	}
 
 	mFogColor = sky_fog_color;
 	mFogColor.setAlpha(1);
-	LLGLSFog gls_fog;
-
-	glFogf(GL_FOG_END, fog_distance*2.2f);
-
-	glFogf(GL_FOG_DENSITY, fog_density);
+	LLDrawPoolWater::sWaterFogEnd = fog_distance*2.2f;
 
 	if (!LLGLSLShader::sNoFixedFunction)
 	{
+		LLGLSFog gls_fog;
+		glFogf(GL_FOG_END, fog_distance*2.2f);
+		glFogf(GL_FOG_DENSITY, fog_density);
 		glHint(GL_FOG_HINT, GL_NICEST);
 	}
 	stop_glerror();