5 files changed, 18 insertions, 4 deletions
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 30b66ae542..3a4139bace 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -1083,12 +1083,17 @@ void LLImageGL::generateTextures(S32 numTextures, U32 *textures)
 }
 
 // static
-void LLImageGL::deleteTextures(S32 numTextures, U32 *textures)
+void LLImageGL::deleteTextures(S32 numTextures, U32 *textures, bool immediate)
 {
 	for (S32 i = 0; i < numTextures; i++)
 	{
 		sDeadTextureList.push_back(textures[i]);
 	}
+
+	if (immediate)
+	{
+		LLImageGL::deleteDeadTextures();
+	}
 }
 
 // static
diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h
index 6c980984c0..2cfb15b0d9 100644
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@@ -98,7 +98,7 @@ public:
 	// These 3 functions currently wrap glGenTextures(), glDeleteTextures(), and glTexImage2D() 
 	// for tracking purposes and will be deprecated in the future
 	static void generateTextures(S32 numTextures, U32 *textures);
-	static void deleteTextures(S32 numTextures, U32 *textures);
+	static void deleteTextures(S32 numTextures, U32 *textures, bool immediate = false);
 	static void setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void *pixels);
 
 	BOOL createGLTexture() ;
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index 64caf77b87..ddd6072fff 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -289,7 +289,7 @@ void LLRenderTarget::release()
 		}
 		else
 		{
-			LLImageGL::deleteTextures(1, &mDepth);
+			LLImageGL::deleteTextures(1, &mDepth, true);
 			stop_glerror();
 		}
 		mDepth = 0;
@@ -318,7 +318,7 @@ void LLRenderTarget::release()
 
 	if (mTex.size() > 0)
 	{
-		LLImageGL::deleteTextures(mTex.size(), &mTex[0]);
+		LLImageGL::deleteTextures(mTex.size(), &mTex[0], true);
 		mTex.clear();
 	}
 
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 98a0a93084..b8f9c60ca9 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -374,6 +374,12 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 	GLcharARB* text[1024];
 	GLuint count = 0;
 
+	//copy preprocessor definitions into buffer
+	for (std::map<std::string,std::string>::iterator iter = mDefinitions.begin(); iter != mDefinitions.end(); ++iter)
+	{
+		std::string define = "#define " + iter->first + " " + iter->second + "\n";
+		text[count++] = (GLcharARB *) strdup(define.c_str());
+	}
 
 	//copy file into memory
 	while( fgets((char *)buff, 1024, file) != NULL && count < LL_ARRAY_SIZE(buff) ) 
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index c54c4608d7..9ee11b98c8 100644
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -60,6 +60,9 @@ public:
 
 	std::vector<std::string> mReservedUniforms;
 
+	//preprocessor definitions (name/value)
+	std::map<std::string, std::string> mDefinitions;
+
 protected:
 
 	// our parameter manager singleton instance