merge

8 files changed, 50 insertions, 22 deletions

diff --git a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
index e4db326bed..57b3a6d001 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
@@ -26,6 +26,9 @@
 
 VARYING float fog_depth;
 
+uniform vec4 waterFogColor;
+uniform float waterFogEnd;
+
 vec4 applyWaterFog(vec4 color)
 {
 	// GL_EXP2 Fog
@@ -33,9 +36,9 @@ vec4 applyWaterFog(vec4 color)
 	// GL_EXP Fog
 	// float fog = exp(-gl_Fog.density * fog_depth);
 	// GL_LINEAR Fog
-	float fog = (gl_Fog.end - fog_depth) * gl_Fog.scale;
+	float fog = (waterFogEnd - fog_depth) * gl_Fog.scale;
 	fog = clamp(fog, 0.0, 1.0);
-	color.rgb = mix(gl_Fog.color.rgb, color.rgb, fog);
+	color.rgb = mix(waterFogColor.rgb, color.rgb, fog);
 	return color;
 }
 
diff --git a/indra/newview/lldrawpoolsky.cpp b/indra/newview/lldrawpoolsky.cpp
index 8a3871b6b4..7f7d9f65c6 100644
--- a/indra/newview/lldrawpoolsky.cpp
+++ b/indra/newview/lldrawpoolsky.cpp
@@ -76,13 +76,14 @@ void LLDrawPoolSky::render(S32 pass)
 		return;
 	}
 	
-	// use a shader only underwater
+	// don't render sky under water (background just gets cleared to fog color)
 	if(mVertexShaderLevel > 0 && LLPipeline::sUnderWaterRender)
 	{
-		mShader = &gObjectFullbrightWaterProgram;
-		mShader->bind();
+		return;
 	}
-	else if (LLGLSLShader::sNoFixedFunction)
+
+
+	if (LLGLSLShader::sNoFixedFunction)
 	{ //just use the UI shader (generic single texture no lighting)
 		gOneTextureNoColorProgram.bind();
 	}
diff --git a/indra/newview/lldrawpoolwater.cpp b/indra/newview/lldrawpoolwater.cpp
index 5de0b8c796..f6fe96877d 100644
--- a/indra/newview/lldrawpoolwater.cpp
+++ b/indra/newview/lldrawpoolwater.cpp
@@ -59,6 +59,8 @@ BOOL LLDrawPoolWater::sSkipScreenCopy = FALSE;
 BOOL LLDrawPoolWater::sNeedsReflectionUpdate = TRUE;
 BOOL LLDrawPoolWater::sNeedsDistortionUpdate = TRUE;
 LLColor4 LLDrawPoolWater::sWaterFogColor = LLColor4(0.2f, 0.5f, 0.5f, 0.f);
+F32 LLDrawPoolWater::sWaterFogEnd = 0.f;
+
 LLVector3 LLDrawPoolWater::sLightDir;
 
 LLDrawPoolWater::LLDrawPoolWater() :
diff --git a/indra/newview/lldrawpoolwater.h b/indra/newview/lldrawpoolwater.h
index 99b541ca5a..aeeba179d6 100644
--- a/indra/newview/lldrawpoolwater.h
+++ b/indra/newview/lldrawpoolwater.h
@@ -49,6 +49,7 @@ public:
 	static LLVector3 sLightDir;
 
 	static LLColor4 sWaterFogColor;
+	static F32 sWaterFogEnd;
 
 	enum
 	{
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index d36379b0e7..36b88ebbd4 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -1764,7 +1764,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	if (rebuild_emissive)
 	{
 		LLFastTimer t(FTM_FACE_GEOM_EMISSIVE);
-		LLStrider<U8> emissive;
+		LLStrider<LLColor4U> emissive;
 		mVertexBuffer->getEmissiveStrider(emissive, mGeomIndex, mGeomCount, map_range);
 
 		U8 glow = (U8) llclamp((S32) (getTextureEntry()->getGlow()*255), 0, 255);
@@ -1783,8 +1783,8 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		src.loadua((F32*) vec);
 
 		LLVector4a* dst = (LLVector4a*) emissive.get();
-		S32 num_vecs = num_vertices/16;
-		if (num_vertices%16 > 0)
+		S32 num_vecs = num_vertices/4;
+		if (num_vertices%4 > 0)
 		{
 			++num_vecs;
 		}
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index e47ac8680a..20c9071052 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -866,6 +866,11 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			else
 			{
 				gPipeline.mScreen.bindTarget();
+				if (LLPipeline::sUnderWaterRender && !gPipeline.canUseWindLightShaders())
+				{
+					const LLColor4 &col = LLDrawPoolWater::sWaterFogColor;
+					glClearColor(col.mV[0], col.mV[1], col.mV[2], 0.f);
+				}
 				gPipeline.mScreen.clear();
 			}
 			
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();
diff --git a/indra/newview/llwaterparammanager.cpp b/indra/newview/llwaterparammanager.cpp
index 1a98d4c6c2..20b34637b8 100644
--- a/indra/newview/llwaterparammanager.cpp
+++ b/indra/newview/llwaterparammanager.cpp
@@ -190,6 +190,7 @@ void LLWaterParamManager::updateShaderUniforms(LLGLSLShader * shader)
 		shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, LLWLParamManager::getInstance()->getRotatedLightDir().mV);
 		shader->uniform3fv("camPosLocal", 1, LLViewerCamera::getInstance()->getOrigin().mV);
 		shader->uniform4fv("waterFogColor", 1, LLDrawPoolWater::sWaterFogColor.mV);
+		shader->uniform1f("waterFogEnd", LLDrawPoolWater::sWaterFogEnd);
 		shader->uniform4fv("waterPlane", 1, mWaterPlane.mV);
 		shader->uniform1f("waterFogDensity", getFogDensity());
 		shader->uniform1f("waterFogKS", mWaterFogKS);