Fix OpenGL compilation without extension pointers.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2476 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/COctTreeTriangleSelector.cpp

@@ -24,17 +24,16 @@ COctTreeTriangleSelector::COctTreeTriangleSelector(const IMesh* mesh,
 	
 	if (!Triangles.empty())
 	{
-		u32 start = os::Timer::getRealTime();
+		const u32 start = os::Timer::getRealTime();
 
 		// create the triangle octtree
 		Root = new SOctTreeNode();
 		Root->Triangles = Triangles;
 		constructOctTree(Root);
 
-		u32 end = os::Timer::getRealTime();
-		c8 tmp[255];
+		c8 tmp[256];
 		sprintf(tmp, "Needed %ums to create OctTreeTriangleSelector.(%d nodes, %u polys)",
-			end - start, NodeCount, Triangles.size());
+			os::Timer::getRealTime() - start, NodeCount, Triangles.size());
 		os::Printer::log(tmp, ELL_INFORMATION);
 	}
 }
@@ -219,9 +218,9 @@ void COctTreeTriangleSelector::getTriangles(core::triangle3df* triangles, s32 ar
 #endif
 }
 
-void COctTreeTriangleSelector::getTrianglesFromOctTree(SOctTreeNode* node, s32& trianglesWritten, s32 maximumSize,
-													   const core::line3d<f32>& line, const core::matrix4* transform,
-													   core::triangle3df* triangles)const
+void COctTreeTriangleSelector::getTrianglesFromOctTree(SOctTreeNode* node,
+		s32& trianglesWritten, s32 maximumSize, const core::line3d<f32>& line,
+		const core::matrix4* transform, core::triangle3df* triangles) const
 {
 	if (!node->Box.intersectsWithLine(line))
 		return;
@@ -256,7 +255,6 @@ void COctTreeTriangleSelector::getTrianglesFromOctTree(SOctTreeNode* node, s32&
 		if (node->Child[i])
 			getTrianglesFromOctTree(node->Child[i], trianglesWritten,
 			maximumSize, line, transform, triangles);
-
 }
 
 

source/Irrlicht/COpenGLExtensionHandler.h

@@ -892,7 +892,12 @@ inline void COpenGLExtensionHandler::extGlActiveTexture(GLenum texture)
 	if (MultiTextureExtension && pGlActiveTextureARB)
 		pGlActiveTextureARB(texture);
 #else
-	if (MultiTextureExtension) glActiveTextureARB(texture);
+	if (MultiTextureExtension)
+#ifdef GL_ARB_multitexture
+		glActiveTextureARB(texture);
+#else
+		glActiveTexture(texture);
+#endif
 #endif
 }
 
@@ -902,7 +907,8 @@ inline void COpenGLExtensionHandler::extGlClientActiveTexture(GLenum texture)
 	if (MultiTextureExtension && pGlClientActiveTextureARB)
 		pGlClientActiveTextureARB(texture);
 #else
-	if (MultiTextureExtension) glClientActiveTextureARB(texture);
+	if (MultiTextureExtension)
+		glClientActiveTextureARB(texture);
 #endif
 }
 

source/Irrlicht/COpenGLSLMaterialRenderer.h

@@ -16,6 +16,8 @@
 #else
 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
 	#define GL_GLEXT_LEGACY 1
+#else
+	#define GL_GLEXT_PROTOTYPES 1
 #endif
 #if defined(_IRR_OSX_PLATFORM_)
 	#include <OpenGL/gl.h>

source/Irrlicht/COpenGLShaderMaterialRenderer.h

@@ -10,6 +10,8 @@
 
 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
 	#define GL_GLEXT_LEGACY 1
+#else
+	#define GL_GLEXT_PROTOTYPES 1
 #endif
 #ifdef _IRR_WINDOWS_API_
 	#define WIN32_LEAN_AND_MEAN

source/Irrlicht/COpenGLTexture.h

@@ -13,6 +13,8 @@
 
 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
 	#define GL_GLEXT_LEGACY 1
+#else
+	#define GL_GLEXT_PROTOTYPES 1
 #endif
 #ifdef _IRR_WINDOWS_API_
 	// include windows headers for HWND