SL-4178 make deferred version of highlight shader that fills in zero spec and env intensity to keep the shiny down

5 files changed, 89 insertions, 5 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/highlightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/highlightF.glsl
new file mode 100644
index 0000000000..1adeb9237c
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/highlightF.glsl
@@ -0,0 +1,42 @@
+/** 
+ * @file highlightF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, 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_data[3];
+#else
+#define frag_data gl_FragData
+#endif
+
+uniform vec4 color;
+uniform sampler2D diffuseMap;
+
+VARYING vec2 vary_texcoord0;
+
+void main() 
+{
+	frag_data[0] = color*texture2D(diffuseMap, vary_texcoord0.xy));
+	frag_data[1] = vec4(0.0);
+	frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0);
+}
diff --git a/indra/newview/lldrawpoolterrain.cpp b/indra/newview/lldrawpoolterrain.cpp
index b716a76543..3eefcef7aa 100644
--- a/indra/newview/lldrawpoolterrain.cpp
+++ b/indra/newview/lldrawpoolterrain.cpp
@@ -207,7 +207,7 @@ void LLDrawPoolTerrain::render(S32 pass)
 	// Special-case for land ownership feedback
 	if (gSavedSettings.getBOOL("ShowParcelOwners"))
 	{
-		hilightParcelOwners();
+		hilightParcelOwners(false);
 	}
 }
 
@@ -241,7 +241,7 @@ void LLDrawPoolTerrain::renderDeferred(S32 pass)
 	// Special-case for land ownership feedback
 	if (gSavedSettings.getBOOL("ShowParcelOwners"))
 	{
-		hilightParcelOwners();
+		hilightParcelOwners(true);
 	}
 
 }
@@ -432,13 +432,13 @@ void LLDrawPoolTerrain::renderFullShader()
 	gGL.matrixMode(LLRender::MM_MODELVIEW);
 }
 
-void LLDrawPoolTerrain::hilightParcelOwners()
+void LLDrawPoolTerrain::hilightParcelOwners(bool deferred)
 {
 	if (mVertexShaderLevel > 1)
 	{ //use fullbright shader for highlighting
 		LLGLSLShader* old_shader = sShader;
 		sShader->unbind();
-		sShader = &gHighlightProgram;
+		sShader = deferred ? &gDeferredHighlightProgram : &gHighlightProgram;
 		sShader->bind();
 		gGL.diffuseColor4f(1, 1, 1, 1);
 		LLGLEnable polyOffset(GL_POLYGON_OFFSET_FILL);
diff --git a/indra/newview/lldrawpoolterrain.h b/indra/newview/lldrawpoolterrain.h
index 55f75e2644..484820491a 100644
--- a/indra/newview/lldrawpoolterrain.h
+++ b/indra/newview/lldrawpoolterrain.h
@@ -87,7 +87,7 @@ protected:
 	void drawLoop();
 
 private:
-	void hilightParcelOwners();
+	void hilightParcelOwners(bool deferred);
 };
 
 #endif // LL_LLDRAWPOOLSIMPLE_H
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 2468aeffa2..b3d561edd5 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -161,6 +161,10 @@ LLGLSLShader		gHighlightProgram;
 LLGLSLShader		gHighlightNormalProgram;
 LLGLSLShader		gHighlightSpecularProgram;
 
+LLGLSLShader		gDeferredHighlightProgram;
+LLGLSLShader		gDeferredHighlightNormalProgram;
+LLGLSLShader		gDeferredHighlightSpecularProgram;
+
 LLGLSLShader		gPathfindingProgram;
 LLGLSLShader		gPathfindingNoNormalsProgram;
 
@@ -1171,6 +1175,10 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSkinnedFullbrightShinyProgram.unload();
 		gDeferredSkinnedFullbrightProgram.unload();
 
+        gDeferredHighlightProgram.unload();
+        gDeferredHighlightNormalProgram.unload();
+        gDeferredHighlightSpecularProgram.unload();
+
 		gNormalMapGenProgram.unload();
 		for (U32 i = 0; i < LLMaterial::SHADER_COUNT*2; ++i)
 		{
@@ -1182,6 +1190,36 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 
 	BOOL success = TRUE;
 
+    if (success)
+	{
+		gDeferredHighlightProgram.mName = "Deferred Highlight Shader";
+		gDeferredHighlightProgram.mShaderFiles.clear();
+		gDeferredHighlightProgram.mShaderFiles.push_back(make_pair("interface/highlightV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredHighlightProgram.mShaderFiles.push_back(make_pair("deferred/highlightF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDeferredHighlightProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];		
+		success = gDeferredHighlightProgram.createShader(NULL, NULL);
+	}
+
+	if (success)
+	{
+		gDeferredHighlightNormalProgram.mName = "Deferred Highlight Normals Shader";
+		gDeferredHighlightNormalProgram.mShaderFiles.clear();
+		gDeferredHighlightNormalProgram.mShaderFiles.push_back(make_pair("interface/highlightNormV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredHighlightNormalProgram.mShaderFiles.push_back(make_pair("deferred/highlightF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDeferredHighlightNormalProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];		
+		success = gHighlightNormalProgram.createShader(NULL, NULL);
+	}
+
+	if (success)
+	{
+		gDeferredHighlightSpecularProgram.mName = "Deferred Highlight Spec Shader";
+		gDeferredHighlightSpecularProgram.mShaderFiles.clear();
+		gDeferredHighlightSpecularProgram.mShaderFiles.push_back(make_pair("interface/highlightSpecV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredHighlightSpecularProgram.mShaderFiles.push_back(make_pair("deferred/highlightF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDeferredHighlightSpecularProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];		
+		success = gDeferredHighlightSpecularProgram.createShader(NULL, NULL);
+	}
+
 	if (success)
 	{
 		gDeferredDiffuseProgram.mName = "Deferred Diffuse Shader";
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index 9ba7d7f742..9edaa97e57 100644
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -264,6 +264,10 @@ extern LLGLSLShader			gHighlightProgram;
 extern LLGLSLShader			gHighlightNormalProgram;
 extern LLGLSLShader			gHighlightSpecularProgram;
 
+extern LLGLSLShader			gDeferredHighlightProgram;
+extern LLGLSLShader			gDeferredHighlightNormalProgram;
+extern LLGLSLShader			gDeferredHighlightSpecularProgram;
+
 extern LLGLSLShader			gPathfindingProgram;
 extern LLGLSLShader			gPathfindingNoNormalsProgram;