From c94455c14d28221f6e05f33ba42e23a5d3245a28 Mon Sep 17 00:00:00 2001
From: Erwin Coumans <blender@erwincoumans.com>
Date: Sun, 8 Jan 2006 09:37:15 +0000
Subject: more linux game engine work. hopefully works now!

---
 source/gameengine/Ketsji/BL_Shader.cpp | 914 +++++++++++++++++++++++++++++++++
 1 file changed, 914 insertions(+)
 create mode 100644 source/gameengine/Ketsji/BL_Shader.cpp

(limited to 'source/gameengine/Ketsji/BL_Shader.cpp')

diff --git a/source/gameengine/Ketsji/BL_Shader.cpp b/source/gameengine/Ketsji/BL_Shader.cpp
new file mode 100644
index 00000000000..ec804228f61
--- /dev/null
+++ b/source/gameengine/Ketsji/BL_Shader.cpp
@@ -0,0 +1,914 @@
+// ------------------------------------
+#ifdef WIN32
+#include <windows.h>
+#endif // WIN32
+#ifdef __APPLE__
+#include <OpenGL/gl.h>
+#include <OpenGL/glu.h>
+#else
+#include <GL/gl.h>
+#include <GL/glu.h>
+#endif
+
+
+#include <iostream>
+#include "BL_Shader.h"
+#include "BL_Material.h"
+
+#include "MT_assert.h"
+#include "MT_Matrix4x4.h"
+#include "MT_Matrix3x3.h"
+#include "KX_PyMath.h"
+
+#include "RAS_GLExtensionManager.h"
+
+//using namespace bgl;
+#define spit(x) std::cout << x << std::endl;
+
+
+const bool BL_Shader::Ok()const
+{
+        return (mShader !=0 && mOk && mUse);
+}
+
+BL_Shader::BL_Shader(int n, PyTypeObject *T)
+:	PyObjectPlus(T),
+	mShader(0),
+	mVert(0),
+	mFrag(0),
+	mPass(1),
+	vertProg(""),
+	fragProg(""),
+	mOk(0),
+	mUse(0)
+{
+	// if !RAS_EXT_support._ARB_shader_objects this class will not be used
+
+	mBlending.src	= -1;
+	mBlending.dest	= -1;
+	mBlending.const_color[0] = 0.0;
+	mBlending.const_color[1] = 0.0;
+	mBlending.const_color[2] = 0.0;
+	mBlending.const_color[3] = 1.0;
+
+	for (int i=0; i<MAXTEX; i++)
+	{
+		mSampler[i].type = 0;
+		mSampler[i].pass = 0;
+		mSampler[i].unit = -1;
+		mSampler[i].loc  = -1;
+		mSampler[i].glTexture =0;
+	}
+}
+
+using namespace bgl;
+
+BL_Shader::~BL_Shader()
+{
+#ifdef GL_ARB_shader_objects
+	if( mShader ) {
+		glDeleteObjectARB(mShader);
+		mShader = 0;
+	}
+	if( mFrag ) {
+		glDeleteObjectARB(mFrag);
+		mFrag = 0;
+	}
+	if( mVert ) {
+		glDeleteObjectARB(mVert);
+		mVert		= 0;
+	}
+
+	vertProg	= 0;
+	fragProg	= 0;
+	mOk			= 0;
+
+	glUseProgramObjectARB(0);
+#endif//GL_ARB_shader_objects
+}
+
+
+bool BL_Shader::LinkProgram()
+{
+#ifdef GL_ARB_shader_objects
+	if(!vertProg || !fragProg ) return false;
+
+	int vertstat,fragstat,progstat;
+	
+	// vertex prog
+	unsigned int vert = glCreateShaderObjectARB(GL_VERTEX_SHADER_ARB);
+	glShaderSourceARB(vert, 1, (const char**) &vertProg, 0);
+	glCompileShaderARB(vert);
+	glGetObjectParameterivARB(vert, GL_OBJECT_INFO_LOG_LENGTH_ARB, &vertstat);
+	// errors if any
+	printInfo(vert);
+	
+	// fragment prog
+	unsigned int frag = glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB);
+	glShaderSourceARB(frag, 1,(const char**) &fragProg, 0);
+	glCompileShaderARB(frag);
+	glGetObjectParameterivARB(frag, GL_OBJECT_INFO_LOG_LENGTH_ARB, &fragstat);
+	// errors if any
+	printInfo(frag);
+	
+	if(!vertstat || !fragstat) return false;
+
+	// main prog
+	unsigned int prog = glCreateProgramObjectARB();
+	glAttachObjectARB(prog,vert);
+	glAttachObjectARB(prog,frag);
+
+	glLinkProgramARB(prog);
+	glGetObjectParameterivARB(prog, GL_OBJECT_INFO_LOG_LENGTH_ARB, &progstat);
+	// info on how it compiled &| linked
+	printInfo(prog);
+
+	if(!progstat)
+		return false;
+
+	// assign
+	mShader = prog;
+	mVert	= vert;
+	mFrag	= frag;
+	mOk		= 1;
+	return true;
+#else
+	return false;
+#endif//GL_ARB_shader_objects
+}
+
+void BL_Shader::printInfo(unsigned int pr)
+{
+#ifdef GL_ARB_shader_objects
+#ifndef GLcharARB
+typedef char GLcharARB;
+#endif	
+int length=0;
+	glGetObjectParameterivARB(pr, GL_OBJECT_INFO_LOG_LENGTH_ARB, &length);
+
+	if(length > 1)
+	{
+		GLcharARB*logger = (GLcharARB*)malloc(sizeof(GLcharARB)*length);
+		int chars=0;
+		
+		glGetInfoLogARB(pr, length, &chars, logger);
+		if(chars>0)
+			std::cout << (logger) << std::endl;
+
+		if(logger)
+			free(logger);
+	}
+#endif//GL_ARB_shader_objects
+}
+
+char *BL_Shader::GetVertPtr()
+{
+	return vertProg?vertProg:0;
+}
+
+char *BL_Shader::GetFragPtr()
+{
+	return fragProg?fragProg:0;
+}
+
+void BL_Shader::SetVertPtr( char *vert )
+{
+	vertProg = vert;
+}
+
+void BL_Shader::SetFragPtr( char *frag )
+{
+	fragProg = frag;
+}
+
+unsigned int BL_Shader::GetProg()
+{ 
+	return mShader;
+}
+
+unsigned int BL_Shader::GetVertexShader()
+{ 
+	return mVert;  
+}
+
+unsigned int BL_Shader::GetFragmentShader()
+{ 
+	return mFrag;  
+}
+
+const uSampler* BL_Shader::getSampler(int i)
+{
+	MT_assert(i<=MAXTEX);
+	return &mSampler[i];
+}
+
+const uBlending *BL_Shader::getBlending( int pass )
+{
+	return &mBlending;
+}
+
+
+
+void BL_Shader::InitializeSampler(
+	int type,
+	int unit,
+	int pass,
+	unsigned int texture)
+{
+	MT_assert(unit<=MAXTEX);
+	mSampler[unit].glTexture = texture;
+	mSampler[unit].loc =-1;
+	mSampler[unit].pass=0;
+	mSampler[unit].type=type;
+	mSampler[unit].unit=unit;
+}
+
+PyObject* BL_Shader::_getattr(const STR_String& attr)
+{
+	_getattr_up(PyObjectPlus);
+}
+
+
+PyMethodDef BL_Shader::Methods[] = 
+{
+	// creation
+	KX_PYMETHODTABLE( BL_Shader, setSource ),
+	KX_PYMETHODTABLE( BL_Shader, delSource ),
+	KX_PYMETHODTABLE( BL_Shader, getVertexProg ),
+	KX_PYMETHODTABLE( BL_Shader, getFragmentProg ),
+	KX_PYMETHODTABLE( BL_Shader, setNumberOfPasses ),
+	KX_PYMETHODTABLE( BL_Shader, validate),
+	/// access functions
+	KX_PYMETHODTABLE( BL_Shader, isValid),
+	KX_PYMETHODTABLE( BL_Shader, setUniform1f ),
+	KX_PYMETHODTABLE( BL_Shader, setUniform2f ),
+	KX_PYMETHODTABLE( BL_Shader, setUniform3f ),
+	KX_PYMETHODTABLE( BL_Shader, setUniform4f ),
+	KX_PYMETHODTABLE( BL_Shader, setUniform1i ),
+	KX_PYMETHODTABLE( BL_Shader, setUniform2i ),
+	KX_PYMETHODTABLE( BL_Shader, setUniform3i ),
+	KX_PYMETHODTABLE( BL_Shader, setUniform4i ),
+
+	KX_PYMETHODTABLE( BL_Shader, setUniformfv ),
+	KX_PYMETHODTABLE( BL_Shader, setUniformiv ),
+
+	KX_PYMETHODTABLE( BL_Shader, setSampler  ),
+	KX_PYMETHODTABLE( BL_Shader, setUniformMatrix4 ),
+	KX_PYMETHODTABLE( BL_Shader, setUniformMatrix3 ),
+	// KX_PYMETHODTABLE( BL_Shader, setBlending ),
+
+	{NULL,NULL} //Sentinel
+};
+
+
+PyTypeObject BL_Shader::Type = {
+	PyObject_HEAD_INIT(&PyType_Type)
+		0,
+		"BL_Shader",
+		sizeof(BL_Shader),
+		0,
+		PyDestructor,
+		0,
+		__getattr,
+		__setattr,
+		0,
+		__repr,
+		0
+};
+
+
+PyParentObject BL_Shader::Parents[] = {
+	&PyObjectPlus::Type,
+	&BL_Shader::Type,
+	NULL
+};
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setSource," setSource(vertexProgram, fragmentProgram)" )
+{
+#ifdef GL_ARB_shader_objects
+	if(mShader !=0 && mOk  )
+	{
+		// already set...
+		Py_Return;
+	}
+
+	char *v,*f;
+	int apply=0;
+	if( PyArg_ParseTuple(args, "ssi", &v, &f, &apply) )
+	{
+		vertProg = v;
+		fragProg = f;
+		if( LinkProgram() )
+		{
+			glUseProgramObjectARB( mShader );
+			mUse = apply!=0;
+			Py_Return;
+		}
+		else
+		{
+			vertProg = 0;
+			fragProg = 0;
+			mUse = 0;
+			glUseProgramObjectARB( 0 );
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, delSource, "delSource( )" )
+{
+#ifdef GL_ARB_shader_objects
+	glDeleteObjectARB(mShader);
+	glDeleteObjectARB(mFrag);
+	glDeleteObjectARB(mVert);
+	mShader		= 0;
+	mFrag		= 0;
+	mVert		= 0;
+	vertProg	= 0;
+	fragProg	= 0;
+	mOk			= 0;
+	mUse		= 0;
+	glUseProgramObjectARB(0);
+#endif
+	Py_Return;
+
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, isValid, "isValid()" )
+{
+	return PyInt_FromLong( ( mShader !=0 &&  mOk ) );
+}
+
+KX_PYMETHODDEF_DOC( BL_Shader, getVertexProg ,"getVertexProg( )" )
+{
+	return PyString_FromString(vertProg?vertProg:"");
+}
+
+KX_PYMETHODDEF_DOC( BL_Shader, getFragmentProg ,"getFragmentProg( )" )
+{
+	return PyString_FromString(fragProg?fragProg:"");
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, validate, "validate()")
+{
+#ifdef GL_ARB_shader_objects
+	if(mShader==0)
+	{
+		PyErr_Format(PyExc_TypeError, "invalid shader object");
+		return NULL;
+	}
+
+	int stat = 0;
+	glValidateProgramARB(mShader);
+	glGetObjectParameterivARB(mShader, GL_OBJECT_VALIDATE_STATUS_ARB, &stat);
+	printInfo(mShader);
+
+	return PyInt_FromLong((stat!=0));
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setSampler, "setSampler(name, index)" )
+{
+#ifdef GL_ARB_shader_objects
+	char *uniform="";
+	int index=-1;
+	if(PyArg_ParseTuple(args, "si", &uniform, &index)) 
+	{
+		if(mShader==0)
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader, uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			if(index <= MAXTEX)
+			{
+				mSampler[index].loc = loc;
+			}else
+			{
+				spit("Invalid texture sample index: " << index);
+			}
+			Py_Return;
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+KX_PYMETHODDEF_DOC( BL_Shader, setNumberOfPasses, "setNumberOfPasses( max-pass )" )
+{
+	int pass = 1;
+	if(!PyArg_ParseTuple(args, "i", &pass))
+		return NULL;
+
+	mPass = pass;
+	Py_Return;
+}
+
+/// access functions
+KX_PYMETHODDEF_DOC( BL_Shader, setUniform1f, "setUniform1f(name, fx)" )
+{
+#ifdef GL_ARB_shader_objects
+	char *uniform="";
+	float value=0;
+	if(PyArg_ParseTuple(args, "sf", &uniform, &value ))
+	{
+		if( mShader==0 )
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader, uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			glUseProgramObjectARB( mShader );
+			glUniform1fARB( loc, value );
+			Py_Return;
+		}
+
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniform2f , "setUniform2f(name, fx, fy)")
+{
+#ifdef GL_ARB_shader_objects
+	char *uniform="";
+	float array[2]={ 0,0 };
+	if(PyArg_ParseTuple(args, "sff", &uniform, &array[0],&array[1] ))
+	{
+		if( mShader==0 )
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			glUseProgramObjectARB( mShader );
+			glUniform2fARB(loc, array[0],array[1] );
+			Py_Return;
+		}
+
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniform3f, "setUniform3f(name, fx,fy,fz) ")
+{
+#ifdef GL_ARB_shader_objects
+	char *uniform="";
+	float array[3]={0,0,0};
+	if(PyArg_ParseTuple(args, "sfff", &uniform, &array[0],&array[1],&array[2]))
+	{
+		if(mShader==0)
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			glUseProgramObjectARB(mShader);
+			glUniform3fARB(loc, array[0],array[1],array[2]);
+			Py_Return;
+		}
+
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniform4f, "setUniform4f(name, fx,fy,fz, fw) ")
+{
+#ifdef GL_ARB_shader_objects
+	char *uniform="";
+	float array[4]={0,0,0,0};
+	if(PyArg_ParseTuple(args, "sffff", &uniform, &array[0],&array[1],&array[2], &array[3]))
+	{
+		if(mShader==0)
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			glUseProgramObjectARB(mShader);
+			glUniform4fARB(loc, array[0],array[1],array[2], array[3]);
+			Py_Return;
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniform1i, "setUniform1i(name, ix)" )
+{
+#ifdef GL_ARB_shader_objects
+	char *uniform="";
+	int value=0;
+	if(PyArg_ParseTuple(args, "si", &uniform, &value ))
+	{
+		if( mShader==0 )
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader, uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			glUseProgramObjectARB( mShader );
+			glUniform1iARB( loc, value );
+			Py_Return;
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniform2i , "setUniform2i(name, ix, iy)")
+{
+#ifdef GL_ARB_shader_objects
+	char *uniform="";
+	int array[2]={ 0,0 };
+	if(PyArg_ParseTuple(args, "sii", &uniform, &array[0],&array[1] ))
+	{
+		if( mShader==0 )
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			glUseProgramObjectARB( mShader );
+			glUniform2iARB(loc, array[0],array[1] );
+			Py_Return;
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniform3i, "setUniform3i(name, ix,iy,iz) ")
+{
+#ifdef GL_ARB_shader_objects
+	char *uniform="";
+	int array[3]={0,0,0};
+	if(PyArg_ParseTuple(args, "siii", &uniform, &array[0],&array[1],&array[2]))
+	{
+		if(mShader==0)
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			glUseProgramObjectARB(mShader);
+			glUniform3iARB(loc, array[0],array[1],array[2]);
+			Py_Return;
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniform4i, "setUniform4i(name, ix,iy,iz, iw) ")
+{
+#ifdef GL_ARB_shader_objects
+	char *uniform="";
+	int array[4]={0,0,0, 0};
+	if(PyArg_ParseTuple(args, "siiii", &uniform, &array[0],&array[1],&array[2], &array[3] ))
+	{
+		if(mShader==0)
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			glUseProgramObjectARB(mShader);
+			glUniform4iARB(loc, array[0],array[1],array[2], array[3]);
+			Py_Return;
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniformfv , "setUniformfv( float (list2 or list3 or list4) )")
+{
+#ifdef GL_ARB_shader_objects
+	char*uniform = "";
+	PyObject *listPtr =0;
+	float array_data[4] = {0.f,0.f,0.f,0.f};
+
+	if(PyArg_ParseTuple(args, "sO", &uniform, &listPtr))
+	{
+		if(mShader==0)
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			if(PySequence_Check(listPtr))
+			{
+				unsigned int list_size = PySequence_Size(listPtr);
+				
+				for(unsigned int i=0; (i<list_size && i<=4); i++)
+				{
+					PyObject *item = PySequence_GetItem(listPtr, i);
+					array_data[i] = (float)PyFloat_AsDouble(item);
+					Py_DECREF(item);
+				}
+				switch(list_size)
+				{
+				case 2:
+					{
+						glUseProgramObjectARB(mShader);
+						glUniform2fARB(loc, array_data[0],array_data[1]);
+						Py_Return;
+					} break;
+				case 3:
+					{
+						glUseProgramObjectARB(mShader);
+						glUniform3fARB(loc, array_data[0],array_data[1], array_data[2]);
+						Py_Return;
+					}break;
+				case 4:
+					{
+						glUseProgramObjectARB(mShader);
+						glUniform4fARB(loc, array_data[0],array_data[1], array_data[2], array_data[3]);
+						Py_Return;
+					}break;
+				default:
+					{
+						PyErr_Format(PyExc_TypeError, "Invalid list size");
+						return NULL;
+					}break;
+				}
+			}
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+
+}
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniformiv, "setUniformiv( int (list2 or list3 or list4) )")
+{
+#ifdef GL_ARB_shader_objects
+	char*uniform = "";
+	PyObject *listPtr =0;
+	int array_data[4] = {0,0,0,0};
+
+	if(PyArg_ParseTuple(args, "sO", &uniform, &listPtr))
+	{
+		if(mShader==0)
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			if(PySequence_Check(listPtr))
+			{
+				unsigned int list_size = PySequence_Size(listPtr);
+				
+				for(unsigned int i=0; (i<list_size && i<=4); i++)
+				{
+					PyObject *item = PySequence_GetItem(listPtr, i);
+					array_data[i] = PyInt_AsLong(item);
+					Py_DECREF(item);
+				}
+				switch(list_size)
+				{
+				case 2:
+					{
+						glUseProgramObjectARB(mShader);
+						glUniform2iARB(loc, array_data[0],array_data[1]);
+						Py_Return;
+					} break;
+				case 3:
+					{
+						glUseProgramObjectARB(mShader);
+						glUniform3iARB(loc, array_data[0],array_data[1], array_data[2]);
+						Py_Return;
+					}break;
+				case 4:
+					{
+						glUseProgramObjectARB(mShader);
+						glUniform4iARB(loc, array_data[0],array_data[1], array_data[2], array_data[3]);
+						Py_Return;
+					}break;
+				default:
+					{
+						PyErr_Format(PyExc_TypeError, "Invalid list size");
+						return NULL;
+					}break;
+				}
+			}
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniformMatrix4, 
+"setUniformMatrix4(uniform-name, mat-4x4, transpose(row-major=true, col-major=false)" )
+{
+#ifdef GL_ARB_shader_objects
+	float matr[16] = {
+		1,0,0,0,
+		0,1,0,0,
+		0,0,1,0,
+		0,0,0,1
+	};
+
+	char *uniform="";
+	PyObject *matrix=0;
+	int transp=1; // MT_ is row major so transpose by default....
+	if(PyArg_ParseTuple(args, "sO|i",&uniform, &matrix,&transp))
+	{
+		if(mShader==0)
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			if (PyObject_IsMT_Matrix(matrix, 4))
+			{
+				MT_Matrix4x4 mat;
+				if (PyMatTo(matrix, mat))
+				{
+					mat.getValue(matr);
+					glUseProgramObjectARB(mShader);
+					glUniformMatrix4fvARB(loc, 1, (transp!=0)?GL_TRUE:GL_FALSE, matr);
+					Py_Return;
+				}
+			}
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setUniformMatrix3,
+"setUniformMatrix3(uniform-name, list[3x3], transpose(row-major=true, col-major=false)" )
+{
+#ifdef GL_ARB_shader_objects
+	float matr[9] = {
+		1,0,0,
+		0,1,0,
+		0,0,1,
+	};
+
+	char *uniform="";
+	PyObject *matrix=0;
+	int transp=1; // MT_ is row major so transpose by default....
+	if(PyArg_ParseTuple(args, "sO|i",&uniform, &matrix,&transp))
+	{
+		if(mShader==0)
+		{
+			PyErr_Format(PyExc_ValueError, "invalid shader object");
+			return NULL;
+		}
+		int loc= glGetUniformLocationARB(mShader , uniform);
+		if( loc==-1 )
+		{
+			spit("Invalid uniform value: " << uniform << ".");
+			Py_Return;
+		}else
+		{
+			if (PyObject_IsMT_Matrix(matrix, 3))
+			{
+				MT_Matrix3x3 mat;
+				if (PyMatTo(matrix, mat))
+				{
+					mat.getValue(matr);
+					glUseProgramObjectARB(mShader);
+					glUniformMatrix3fvARB(loc, 1, (transp!=0)?GL_TRUE:GL_FALSE, matr);
+					Py_Return;
+				}
+			}
+		}
+	}
+	return NULL;
+#else
+	Py_Return;
+#endif//GL_ARB_shader_objects
+}
+
+
+KX_PYMETHODDEF_DOC( BL_Shader, setBlending, "setBlending(src, dest)" )
+{
+	int src, dest;
+	if(PyArg_ParseTuple(args, "ii", &src, &dest))
+	{
+		mBlending.src = src;
+		mBlending.dest = dest;
+		Py_Return;
+	}
+	return NULL;
+}
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