Load extensions the OpenGL 3 way

1 files changed, 16 insertions, 2 deletions

diff --git a/source/Irrlicht/OpenGL/ExtensionHandler.cpp b/source/Irrlicht/OpenGL/ExtensionHandler.cpp
index 297aa94..055738b 100644
--- a/source/Irrlicht/OpenGL/ExtensionHandler.cpp
+++ b/source/Irrlicht/OpenGL/ExtensionHandler.cpp
@@ -9,6 +9,7 @@
 #include "irrString.h"

 #include "SMaterial.h"

 #include "fast_atof.h"

+#include <mt_opengl.h>

 

 namespace irr

 {

@@ -16,9 +17,22 @@ namespace video
 {

 	void COpenGL3ExtensionHandler::initExtensions()

 	{

-		getGLVersion();

+		GLint major, minor;

+		glGetIntegerv(GL_MAJOR_VERSION, &major);

+		glGetIntegerv(GL_MINOR_VERSION, &minor);

+		Version = 100 * major + 10 * minor;

 

-		getGLExtensions();

+		GLint ext_count = 0;

+		GL.GetIntegerv(GL_NUM_EXTENSIONS, &ext_count);

+		for (int k = 0; k < ext_count; k++) {

+			auto ext_name = (char *)GL.GetStringi(GL_EXTENSIONS, k);

+			for (size_t j=0; j<IRR_OGLES_Feature_Count; ++j) {

+				if (!strcmp(getFeatureString(j), ext_name)) {

+					FeatureAvailable[j] = true;

+					break;

+				}

+			}

+		}

 

 		GLint val=0;

 		glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &val);