nuclear@0: #include "opengl.h"
nuclear@0: #include <vmath/vmath.h>
nuclear@0: 
nuclear@0: void load_matrix(const Matrix4x4 &m)
nuclear@0: {
nuclear@0: #ifdef SINGLE_PRECISION_MATH
nuclear@0: 	if(glLoadTransposeMatrixfARB) {
nuclear@0: 		glLoadTransposeMatrixfARB((float*)&m);
nuclear@0: 	} else {
nuclear@0: 		Matrix4x4 tmat = m.transposed();
nuclear@0: 		glLoadMatrixf((float*)&tmat);
nuclear@0: 	}
nuclear@0: #else
nuclear@0: 	if(glLoadTransposeMatrixdARB) {
nuclear@0: 		glLoadTransposeMatrixdARB((double*)&m);
nuclear@0: 	} else {
nuclear@0: 		Matrix4x4 tmat = m.transposed();
nuclear@0: 		glLoadMatrixd((double*)&tmat);
nuclear@0: 	}
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: void mult_matrix(const Matrix4x4 &m)
nuclear@0: {
nuclear@0: #ifdef SINGLE_PRECISION_MATH
nuclear@0: 	if(glMultTransposeMatrixfARB) {
nuclear@0: 		glMultTransposeMatrixfARB((float*)&m);
nuclear@0: 	} else {
nuclear@0: 		Matrix4x4 tmat = m.transposed();
nuclear@0: 		glMultMatrixf((float*)&tmat);
nuclear@0: 	}
nuclear@0: #else
nuclear@0: 	if(glMultTransposeMatrixdARB) {
nuclear@0: 		glMultTransposeMatrixdARB((double*)&m);
nuclear@0: 	} else {
nuclear@0: 		Matrix4x4 tmat = m.transposed();
nuclear@0: 		glMultMatrixd((double*)&tmat);
nuclear@0: 	}
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: const char *strglerr(int err)
nuclear@0: {
nuclear@0: 	static const char *errnames[] = {
nuclear@0: 		"GL_INVALID_ENUM",
nuclear@0: 		"GL_INVALID_VALUE",
nuclear@0: 		"GL_INVALID_OPERATION",
nuclear@0: 		"GL_STACK_OVERFLOW",
nuclear@0: 		"GL_STACK_UNDERFLOW",
nuclear@0: 		"GL_OUT_OF_MEMORY",
nuclear@0: 		"GL_INVALID_FRAMEBUFFER_OPERATION"
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	if(!err) {
nuclear@0: 		return "GL_NO_ERROR";
nuclear@0: 	}
nuclear@0: 	if(err < GL_INVALID_ENUM || err > GL_OUT_OF_MEMORY) {
nuclear@0: 		return "<invalid gl error>";
nuclear@0: 	}
nuclear@0: 	return errnames[err - GL_INVALID_ENUM];
nuclear@0: }