1 files changed, 823 insertions, 0 deletions
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
new file mode 100644
index 0000000000..7b03944918
--- /dev/null
+++ b/indra/llrender/llglslshader.cpp
@@ -0,0 +1,823 @@
+/** 
+ * @file llglslshader.cpp
+ * @brief GLSL helper functions and state.
+ *
+ * $LicenseInfo:firstyear=2005&license=viewergpl$
+ * 
+ * Copyright (c) 2005-2007, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llglslshader.h"
+
+#include "llshadermgr.h"
+#include "llfile.h"
+#include "llrender.h"
+
+#if LL_DARWIN
+#include "OpenGL/OpenGL.h"
+#endif
+
+#ifdef LL_RELEASE_FOR_DOWNLOAD
+#define UNIFORM_ERRS LL_WARNS_ONCE("Shader")
+#else
+#define UNIFORM_ERRS LL_ERRS("Shader")
+#endif
+
+// Lots of STL stuff in here, using namespace std to keep things more readable
+using std::vector;
+using std::pair;
+using std::make_pair;
+using std::string;
+
+BOOL shouldChange(const LLVector4& v1, const LLVector4& v2)
+{
+	return v1 != v2;
+}
+
+LLShaderFeatures::LLShaderFeatures()
+: calculatesLighting(false), isShiny(false), isFullbright(false), hasWaterFog(false),
+hasTransport(false), hasSkinning(false), hasAtmospherics(false), isSpecular(false),
+hasGamma(false), hasLighting(false), calculatesAtmospherics(false)
+{
+}
+
+//===============================
+// LLGLSL Shader implementation
+//===============================
+LLGLSLShader::LLGLSLShader()
+: mProgramObject(0), mShaderLevel(0), mShaderGroup(SG_DEFAULT)
+{
+}
+
+void LLGLSLShader::unload()
+{
+	stop_glerror();
+	mAttribute.clear();
+	mTexture.clear();
+	mUniform.clear();
+	mShaderFiles.clear();
+
+	if (mProgramObject)
+	{
+		GLhandleARB obj[1024];
+		GLsizei count;
+
+		glGetAttachedObjectsARB(mProgramObject, 1024, &count, obj);
+		for (GLsizei i = 0; i < count; i++)
+		{
+			glDeleteObjectARB(obj[i]);
+		}
+
+		glDeleteObjectARB(mProgramObject);
+
+		mProgramObject = 0;
+	}
+	
+	//hack to make apple not complain
+	glGetError();
+	
+	stop_glerror();
+}
+
+BOOL LLGLSLShader::createShader(vector<string> * attributes,
+								vector<string> * uniforms)
+{
+	llassert_always(!mShaderFiles.empty());
+	BOOL success = TRUE;
+
+	// Create program
+	mProgramObject = glCreateProgramObjectARB();
+	
+	// Attach existing objects
+	if (!LLShaderMgr::instance()->attachShaderFeatures(this))
+	{
+		return FALSE;
+	}
+
+	vector< pair<string,GLenum> >::iterator fileIter = mShaderFiles.begin();
+	for ( ; fileIter != mShaderFiles.end(); fileIter++ )
+	{
+		GLhandleARB shaderhandle = LLShaderMgr::instance()->loadShaderFile((*fileIter).first, mShaderLevel, (*fileIter).second);
+		LL_DEBUGS("ShaderLoading") << "SHADER FILE: " << (*fileIter).first << " mShaderLevel=" << mShaderLevel << LL_ENDL;
+		if (mShaderLevel > 0)
+		{
+			attachObject(shaderhandle);
+		}
+		else
+		{
+			success = FALSE;
+		}
+	}
+
+	// Map attributes and uniforms
+	if (success)
+	{
+		success = mapAttributes(attributes);
+	}
+	if (success)
+	{
+		success = mapUniforms(uniforms);
+	}
+	if( !success )
+	{
+		LL_WARNS("ShaderLoading") << "Failed to link shader: " << mName << LL_ENDL;
+
+		// Try again using a lower shader level;
+		if (mShaderLevel > 0)
+		{
+			LL_WARNS("ShaderLoading") << "Failed to link using shader level " << mShaderLevel << " trying again using shader level " << (mShaderLevel - 1) << LL_ENDL;
+			mShaderLevel--;
+			return createShader(attributes,uniforms);
+		}
+	}
+	return success;
+}
+
+BOOL LLGLSLShader::attachObject(std::string object)
+{
+	if (LLShaderMgr::instance()->mShaderObjects.count(object) > 0)
+	{
+		stop_glerror();
+		glAttachObjectARB(mProgramObject, LLShaderMgr::instance()->mShaderObjects[object]);
+		stop_glerror();
+		return TRUE;
+	}
+	else
+	{
+		LL_WARNS("ShaderLoading") << "Attempting to attach shader object that hasn't been compiled: " << object << LL_ENDL;
+		return FALSE;
+	}
+}
+
+void LLGLSLShader::attachObject(GLhandleARB object)
+{
+	if (object != 0)
+	{
+		stop_glerror();
+		glAttachObjectARB(mProgramObject, object);
+		stop_glerror();
+	}
+	else
+	{
+		LL_WARNS("ShaderLoading") << "Attempting to attach non existing shader object. " << LL_ENDL;
+	}
+}
+
+void LLGLSLShader::attachObjects(GLhandleARB* objects, S32 count)
+{
+	for (S32 i = 0; i < count; i++)
+	{
+		attachObject(objects[i]);
+	}
+}
+
+BOOL LLGLSLShader::mapAttributes(const vector<string> * attributes)
+{
+	//link the program
+	BOOL res = link();
+
+	mAttribute.clear();
+	U32 numAttributes = (attributes == NULL) ? 0 : attributes->size();
+	mAttribute.resize(LLShaderMgr::instance()->mReservedAttribs.size() + numAttributes, -1);
+	
+	if (res)
+	{ //read back channel locations
+
+		//read back reserved channels first
+		for (U32 i = 0; i < (S32) LLShaderMgr::instance()->mReservedAttribs.size(); i++)
+		{
+			const char* name = LLShaderMgr::instance()->mReservedAttribs[i].c_str();
+			S32 index = glGetAttribLocationARB(mProgramObject, (const GLcharARB *)name);
+			if (index != -1)
+			{
+				mAttribute[i] = index;
+				LL_DEBUGS("ShaderLoading") << "Attribute " << name << " assigned to channel " << index << LL_ENDL;
+			}
+		}
+		if (attributes != NULL)
+		{
+			for (U32 i = 0; i < numAttributes; i++)
+			{
+				const char* name = (*attributes)[i].c_str();
+				S32 index = glGetAttribLocationARB(mProgramObject, name);
+				if (index != -1)
+				{
+					mAttribute[LLShaderMgr::instance()->mReservedAttribs.size() + i] = index;
+					LL_DEBUGS("ShaderLoading") << "Attribute " << name << " assigned to channel " << index << LL_ENDL;
+				}
+			}
+		}
+
+		return TRUE;
+	}
+	
+	return FALSE;
+}
+
+void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms)
+{
+	if (index == -1)
+	{
+		return;
+	}
+
+	GLenum type;
+	GLsizei length;
+	GLint size;
+	char name[1024];		/* Flawfinder: ignore */
+	name[0] = 0;
+
+	glGetActiveUniformARB(mProgramObject, index, 1024, &length, &size, &type, (GLcharARB *)name);
+	S32 location = glGetUniformLocationARB(mProgramObject, name);
+	if (location != -1)
+	{
+		mUniformMap[name] = location;
+		LL_DEBUGS("ShaderLoading") << "Uniform " << name << " is at location " << location << LL_ENDL;
+	
+		//find the index of this uniform
+		for (S32 i = 0; i < (S32) LLShaderMgr::instance()->mReservedUniforms.size(); i++)
+		{
+			if ( (mUniform[i] == -1)
+				&& (LLShaderMgr::instance()->mReservedUniforms[i].compare(0, length, name, LLShaderMgr::instance()->mReservedUniforms[i].length()) == 0))
+			{
+				//found it
+				mUniform[i] = location;
+				mTexture[i] = mapUniformTextureChannel(location, type);
+				return;
+			}
+		}
+
+		if (uniforms != NULL)
+		{
+			for (U32 i = 0; i < uniforms->size(); i++)
+			{
+				if ( (mUniform[i+LLShaderMgr::instance()->mReservedUniforms.size()] == -1)
+					&& ((*uniforms)[i].compare(0, length, name, (*uniforms)[i].length()) == 0))
+				{
+					//found it
+					mUniform[i+LLShaderMgr::instance()->mReservedUniforms.size()] = location;
+					mTexture[i+LLShaderMgr::instance()->mReservedUniforms.size()] = mapUniformTextureChannel(location, type);
+					return;
+				}
+			}
+		}
+	}
+ }
+
+GLint LLGLSLShader::mapUniformTextureChannel(GLint location, GLenum type)
+{
+	if (type >= GL_SAMPLER_1D_ARB && type <= GL_SAMPLER_2D_RECT_SHADOW_ARB)
+	{	//this here is a texture
+		glUniform1iARB(location, mActiveTextureChannels);
+		LL_DEBUGS("ShaderLoading") << "Assigned to texture channel " << mActiveTextureChannels << LL_ENDL;
+		return mActiveTextureChannels++;
+	}
+	return -1;
+}
+
+BOOL LLGLSLShader::mapUniforms(const vector<string> * uniforms)
+{
+	BOOL res = TRUE;
+	
+	mActiveTextureChannels = 0;
+	mUniform.clear();
+	mUniformMap.clear();
+	mTexture.clear();
+	mValue.clear();
+	//initialize arrays
+	U32 numUniforms = (uniforms == NULL) ? 0 : uniforms->size();
+	mUniform.resize(numUniforms + LLShaderMgr::instance()->mReservedUniforms.size(), -1);
+	mTexture.resize(numUniforms + LLShaderMgr::instance()->mReservedUniforms.size(), -1);
+	
+	bind();
+
+	//get the number of active uniforms
+	GLint activeCount;
+	glGetObjectParameterivARB(mProgramObject, GL_OBJECT_ACTIVE_UNIFORMS_ARB, &activeCount);
+
+	for (S32 i = 0; i < activeCount; i++)
+	{
+		mapUniform(i, uniforms);
+	}
+
+	unbind();
+
+	return res;
+}
+
+BOOL LLGLSLShader::link(BOOL suppress_errors)
+{
+	return LLShaderMgr::instance()->linkProgramObject(mProgramObject, suppress_errors);
+}
+
+void LLGLSLShader::bind()
+{
+	if (gGLManager.mHasShaderObjects)
+	{
+		glUseProgramObjectARB(mProgramObject);
+
+		if (mUniformsDirty)
+		{
+			LLShaderMgr::instance()->updateShaderUniforms(this);
+			mUniformsDirty = FALSE;
+		}
+	}
+}
+
+void LLGLSLShader::unbind()
+{
+	if (gGLManager.mHasShaderObjects)
+	{
+		for (U32 i = 0; i < mAttribute.size(); ++i)
+		{
+			vertexAttrib4f(i, 0,0,0,1);
+		}
+		glUseProgramObjectARB(0);
+	}
+}
+
+void LLGLSLShader::bindNoShader(void)
+{
+	glUseProgramObjectARB(0);
+}
+
+S32 LLGLSLShader::enableTexture(S32 uniform, S32 mode)
+{
+	if (uniform < 0 || uniform >= (S32)mTexture.size())
+	{
+		UNIFORM_ERRS << "Uniform out of range: " << uniform << LL_ENDL;
+		return -1;
+	}
+	S32 index = mTexture[uniform];
+	if (index != -1)
+	{
+		gGL.getTexUnit(index)->activate();
+		glEnable(mode);
+	}
+	return index;
+}
+
+S32 LLGLSLShader::disableTexture(S32 uniform, S32 mode)
+{
+	if (uniform < 0 || uniform >= (S32)mTexture.size())
+	{
+		UNIFORM_ERRS << "Uniform out of range: " << uniform << LL_ENDL;
+		return -1;
+	}
+	S32 index = mTexture[uniform];
+	if (index != -1)
+	{
+		gGL.getTexUnit(index)->activate();
+		glDisable(mode);
+	}
+	return index;
+}
+
+void LLGLSLShader::uniform1f(U32 index, GLfloat x)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
+			if (iter == mValue.end() || iter->second.mV[0] != x)
+			{
+				glUniform1fARB(mUniform[index], x);
+				mValue[mUniform[index]] = LLVector4(x,0.f,0.f,0.f);
+			}
+		}
+	}
+}
+
+void LLGLSLShader::uniform2f(U32 index, GLfloat x, GLfloat y)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
+			LLVector4 vec(x,y,0.f,0.f);
+			if (iter == mValue.end() || shouldChange(iter->second,vec))
+			{
+				glUniform2fARB(mUniform[index], x, y);
+				mValue[mUniform[index]] = vec;
+			}
+		}
+	}
+}
+
+void LLGLSLShader::uniform3f(U32 index, GLfloat x, GLfloat y, GLfloat z)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
+			LLVector4 vec(x,y,z,0.f);
+			if (iter == mValue.end() || shouldChange(iter->second,vec))
+			{
+				glUniform3fARB(mUniform[index], x, y, z);
+				mValue[mUniform[index]] = vec;
+			}
+		}
+	}
+}
+
+void LLGLSLShader::uniform4f(U32 index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
+			LLVector4 vec(x,y,z,w);
+			if (iter == mValue.end() || shouldChange(iter->second,vec))
+			{
+				glUniform4fARB(mUniform[index], x, y, z, w);
+				mValue[mUniform[index]] = vec;
+			}
+		}
+	}
+}
+
+void LLGLSLShader::uniform1fv(U32 index, U32 count, const GLfloat* v)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
+			LLVector4 vec(v[0],0.f,0.f,0.f);
+			if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
+			{
+				glUniform1fvARB(mUniform[index], count, v);
+				mValue[mUniform[index]] = vec;
+			}
+		}
+	}
+}
+
+void LLGLSLShader::uniform2fv(U32 index, U32 count, const GLfloat* v)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
+			LLVector4 vec(v[0],v[1],0.f,0.f);
+			if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
+			{
+				glUniform2fvARB(mUniform[index], count, v);
+				mValue[mUniform[index]] = vec;
+			}
+		}
+	}
+}
+
+void LLGLSLShader::uniform3fv(U32 index, U32 count, const GLfloat* v)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
+			LLVector4 vec(v[0],v[1],v[2],0.f);
+			if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
+			{
+				glUniform3fvARB(mUniform[index], count, v);
+				mValue[mUniform[index]] = vec;
+			}
+		}
+	}
+}
+
+void LLGLSLShader::uniform4fv(U32 index, U32 count, const GLfloat* v)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
+			LLVector4 vec(v[0],v[1],v[2],v[3]);
+			if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
+			{
+				glUniform4fvARB(mUniform[index], count, v);
+				mValue[mUniform[index]] = vec;
+			}
+		}
+	}
+}
+
+void LLGLSLShader::uniformMatrix2fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			glUniformMatrix2fvARB(mUniform[index], count, transpose, v);
+		}
+	}
+}
+
+void LLGLSLShader::uniformMatrix3fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			glUniformMatrix3fvARB(mUniform[index], count, transpose, v);
+		}
+	}
+}
+
+void LLGLSLShader::uniformMatrix4fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			glUniformMatrix4fvARB(mUniform[index], count, transpose, v);
+		}
+	}
+}
+
+GLint LLGLSLShader::getUniformLocation(const string& uniform)
+{
+	if (mProgramObject > 0)
+	{
+		std::map<string, GLint>::iterator iter = mUniformMap.find(uniform);
+		if (iter != mUniformMap.end())
+		{
+			llassert(iter->second == glGetUniformLocationARB(mProgramObject, uniform.c_str()));
+			return iter->second;
+		}
+	}
+
+	return -1;
+}
+
+void LLGLSLShader::uniform1f(const string& uniform, GLfloat v)
+{
+	GLint location = getUniformLocation(uniform);
+				
+	if (location >= 0)
+	{
+		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
+		LLVector4 vec(v,0.f,0.f,0.f);
+		if (iter == mValue.end() || shouldChange(iter->second,vec))
+		{
+			glUniform1fARB(location, v);
+			mValue[location] = vec;
+		}
+	}
+}
+
+void LLGLSLShader::uniform2f(const string& uniform, GLfloat x, GLfloat y)
+{
+	GLint location = getUniformLocation(uniform);
+				
+	if (location >= 0)
+	{
+		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
+		LLVector4 vec(x,y,0.f,0.f);
+		if (iter == mValue.end() || shouldChange(iter->second,vec))
+		{
+			glUniform2fARB(location, x,y);
+			mValue[location] = vec;
+		}
+	}
+
+}
+
+void LLGLSLShader::uniform3f(const string& uniform, GLfloat x, GLfloat y, GLfloat z)
+{
+	GLint location = getUniformLocation(uniform);
+				
+	if (location >= 0)
+	{
+		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
+		LLVector4 vec(x,y,z,0.f);
+		if (iter == mValue.end() || shouldChange(iter->second,vec))
+		{
+			glUniform3fARB(location, x,y,z);
+			mValue[location] = vec;
+		}
+	}
+}
+
+void LLGLSLShader::uniform4f(const string& uniform, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+	GLint location = getUniformLocation(uniform);
+
+	if (location >= 0)
+	{
+		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
+		LLVector4 vec(x,y,z,w);
+		if (iter == mValue.end() || shouldChange(iter->second,vec))
+		{
+			glUniform4fARB(location, x,y,z,w);
+			mValue[location] = vec;
+		}
+	}
+}
+
+void LLGLSLShader::uniform1fv(const string& uniform, U32 count, const GLfloat* v)
+{
+	GLint location = getUniformLocation(uniform);
+
+	if (location >= 0)
+	{
+		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
+		LLVector4 vec(v[0],0.f,0.f,0.f);
+		if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
+		{
+			glUniform1fvARB(location, count, v);
+			mValue[location] = vec;
+		}
+	}
+}
+
+void LLGLSLShader::uniform2fv(const string& uniform, U32 count, const GLfloat* v)
+{
+	GLint location = getUniformLocation(uniform);
+				
+	if (location >= 0)
+	{
+		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
+		LLVector4 vec(v[0],v[1],0.f,0.f);
+		if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
+		{
+			glUniform2fvARB(location, count, v);
+			mValue[location] = vec;
+		}
+	}
+}
+
+void LLGLSLShader::uniform3fv(const string& uniform, U32 count, const GLfloat* v)
+{
+	GLint location = getUniformLocation(uniform);
+				
+	if (location >= 0)
+	{
+		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
+		LLVector4 vec(v[0],v[1],v[2],0.f);
+		if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
+		{
+			glUniform3fvARB(location, count, v);
+			mValue[location] = vec;
+		}
+	}
+}
+
+void LLGLSLShader::uniform4fv(const string& uniform, U32 count, const GLfloat* v)
+{
+	GLint location = getUniformLocation(uniform);
+
+	if (location >= 0)
+	{
+		LLVector4 vec(v);
+		std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
+		if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
+		{
+			glUniform4fvARB(location, count, v);
+			mValue[location] = vec;
+		}
+	}
+}
+
+void LLGLSLShader::uniformMatrix2fv(const string& uniform, U32 count, GLboolean transpose, const GLfloat* v)
+{
+	GLint location = getUniformLocation(uniform);
+				
+	if (location >= 0)
+	{
+		glUniformMatrix2fvARB(location, count, transpose, v);
+	}
+}
+
+void LLGLSLShader::uniformMatrix3fv(const string& uniform, U32 count, GLboolean transpose, const GLfloat* v)
+{
+	GLint location = getUniformLocation(uniform);
+				
+	if (location >= 0)
+	{
+		glUniformMatrix3fvARB(location, count, transpose, v);
+	}
+}
+
+void LLGLSLShader::uniformMatrix4fv(const string& uniform, U32 count, GLboolean transpose, const GLfloat* v)
+{
+	GLint location = getUniformLocation(uniform);
+				
+	if (location >= 0)
+	{
+		glUniformMatrix4fvARB(location, count, transpose, v);
+	}
+}
+
+
+void LLGLSLShader::vertexAttrib4f(U32 index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+	if (mAttribute[index] > 0)
+	{
+		glVertexAttrib4fARB(mAttribute[index], x, y, z, w);
+	}
+}
+
+void LLGLSLShader::vertexAttrib4fv(U32 index, GLfloat* v)
+{
+	if (mAttribute[index] > 0)
+	{
+		glVertexAttrib4fvARB(mAttribute[index], v);
+	}
+}