- Prepared OpenGL methods related to separate blending for use.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4784 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/COpenGLExtensionHandler.cpp

@@ -67,9 +67,6 @@ COpenGLExtensionHandler::COpenGLExtensionHandler() :
 	pGlBufferSubDataARB(0), pGlGetBufferSubDataARB(0), pGlMapBufferARB(0), pGlUnmapBufferARB(0),
 	pGlIsBufferARB(0), pGlGetBufferParameterivARB(0), pGlGetBufferPointervARB(0),
 	pGlProvokingVertexARB(0), pGlProvokingVertexEXT(0),
-	pGlColorMaskIndexedEXT(0), pGlEnableIndexedEXT(0), pGlDisableIndexedEXT(0),
-	pGlBlendFuncIndexedAMD(0), pGlBlendFunciARB(0),
-	pGlBlendEquationIndexedAMD(0), pGlBlendEquationiARB(0),
 	pGlProgramParameteriARB(0), pGlProgramParameteriEXT(0),
 	pGlGenQueriesARB(0), pGlDeleteQueriesARB(0), pGlIsQueryARB(0),
 	pGlBeginQueryARB(0), pGlEndQueryARB(0), pGlGetQueryivARB(0),
@@ -78,7 +75,14 @@ COpenGLExtensionHandler::COpenGLExtensionHandler() :
 	pGlIsOcclusionQueryNV(0), pGlBeginOcclusionQueryNV(0),
 	pGlEndOcclusionQueryNV(0), pGlGetOcclusionQueryivNV(0),
 	pGlGetOcclusionQueryuivNV(0),
-	pGlBlendEquationEXT(0), pGlBlendEquation(0)
+	// Blend
+	pGlBlendFuncSeparateEXT(0), pGlBlendFuncSeparate(0),
+	pGlBlendEquationEXT(0), pGlBlendEquation(0), pGlBlendEquationSeparateEXT(0), pGlBlendEquationSeparate(0),
+	// Indexed
+	pGlEnableIndexedEXT(0), pGlDisableIndexedEXT(0),
+	pGlColorMaskIndexedEXT(0),
+	pGlBlendFuncIndexedAMD(0), pGlBlendFunciARB(0), pGlBlendFuncSeparateIndexedAMD(0), pGlBlendFuncSeparateiARB(0),
+	pGlBlendEquationIndexedAMD(0), pGlBlendEquationiARB(0), pGlBlendEquationSeparateIndexedAMD(0), pGlBlendEquationSeparateiARB(0)
 #if defined(GLX_SGI_swap_control)
 	,pGlxSwapIntervalSGI(0)
 #endif
@@ -517,13 +521,6 @@ void COpenGLExtensionHandler::initExtensions(bool stencilBuffer)
 	pGlGetBufferPointervARB= (PFNGLGETBUFFERPOINTERVARBPROC) IRR_OGL_LOAD_EXTENSION("glGetBufferPointervARB");
 	pGlProvokingVertexARB= (PFNGLPROVOKINGVERTEXPROC) IRR_OGL_LOAD_EXTENSION("glProvokingVertex");
 	pGlProvokingVertexEXT= (PFNGLPROVOKINGVERTEXEXTPROC) IRR_OGL_LOAD_EXTENSION("glProvokingVertexEXT");
-	pGlColorMaskIndexedEXT= (PFNGLCOLORMASKINDEXEDEXTPROC) IRR_OGL_LOAD_EXTENSION("glColorMaskIndexedEXT");
-	pGlEnableIndexedEXT= (PFNGLENABLEINDEXEDEXTPROC) IRR_OGL_LOAD_EXTENSION("glEnableIndexedEXT");
-	pGlDisableIndexedEXT= (PFNGLDISABLEINDEXEDEXTPROC) IRR_OGL_LOAD_EXTENSION("glDisableIndexedEXT");
-	pGlBlendFuncIndexedAMD= (PFNGLBLENDFUNCINDEXEDAMDPROC) IRR_OGL_LOAD_EXTENSION("glBlendFuncIndexedAMD");
-	pGlBlendFunciARB= (PFNGLBLENDFUNCIPROC) IRR_OGL_LOAD_EXTENSION("glBlendFunciARB");
-	pGlBlendEquationIndexedAMD= (PFNGLBLENDEQUATIONINDEXEDAMDPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquationIndexedAMD");
-	pGlBlendEquationiARB= (PFNGLBLENDEQUATIONIPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquationiARB");
 	pGlProgramParameteriARB= (PFNGLPROGRAMPARAMETERIARBPROC) IRR_OGL_LOAD_EXTENSION("glProgramParameteriARB");
 	pGlProgramParameteriEXT= (PFNGLPROGRAMPARAMETERIEXTPROC) IRR_OGL_LOAD_EXTENSION("glProgramParameteriEXT");
 
@@ -544,9 +541,26 @@ void COpenGLExtensionHandler::initExtensions(bool stencilBuffer)
 	pGlGetOcclusionQueryivNV = (PFNGLGETOCCLUSIONQUERYIVNVPROC) IRR_OGL_LOAD_EXTENSION("glGetOcclusionQueryivNV");
 	pGlGetOcclusionQueryuivNV = (PFNGLGETOCCLUSIONQUERYUIVNVPROC) IRR_OGL_LOAD_EXTENSION("glGetOcclusionQueryuivNV");
 
-	// blend equation
+	// blend
+	pGlBlendFuncSeparateEXT = (PFNGLBLENDFUNCSEPARATEEXTPROC) IRR_OGL_LOAD_EXTENSION("glBlendFuncSeparateEXT");
+	pGlBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC) IRR_OGL_LOAD_EXTENSION("glBlendFuncSeparate");
 	pGlBlendEquationEXT = (PFNGLBLENDEQUATIONEXTPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquationEXT");
 	pGlBlendEquation = (PFNGLBLENDEQUATIONPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquation");
+	pGlBlendEquationSeparateEXT = (PFNGLBLENDEQUATIONSEPARATEEXTPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquationSeparateEXT");
+	pGlBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquationSeparate");
+
+	// indexed
+	pGlEnableIndexedEXT = (PFNGLENABLEINDEXEDEXTPROC) IRR_OGL_LOAD_EXTENSION("glEnableIndexedEXT");
+	pGlDisableIndexedEXT = (PFNGLDISABLEINDEXEDEXTPROC) IRR_OGL_LOAD_EXTENSION("glDisableIndexedEXT");
+	pGlColorMaskIndexedEXT = (PFNGLCOLORMASKINDEXEDEXTPROC) IRR_OGL_LOAD_EXTENSION("glColorMaskIndexedEXT");
+	pGlBlendFuncIndexedAMD = (PFNGLBLENDFUNCINDEXEDAMDPROC) IRR_OGL_LOAD_EXTENSION("glBlendFuncIndexedAMD");
+	pGlBlendFunciARB = (PFNGLBLENDFUNCIPROC) IRR_OGL_LOAD_EXTENSION("glBlendFunciARB");
+	pGlBlendFuncSeparateIndexedAMD = (PFNGLBLENDFUNCSEPARATEINDEXEDAMDPROC) IRR_OGL_LOAD_EXTENSION("glBlendFuncSeparateIndexedAMD");
+	pGlBlendFuncSeparateiARB = (PFNGLBLENDFUNCSEPARATEIPROC) IRR_OGL_LOAD_EXTENSION("glBlendFuncSeparateiARB");
+	pGlBlendEquationIndexedAMD = (PFNGLBLENDEQUATIONINDEXEDAMDPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquationIndexedAMD");
+	pGlBlendEquationiARB = (PFNGLBLENDEQUATIONIPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquationiARB");
+	pGlBlendEquationSeparateIndexedAMD = (PFNGLBLENDEQUATIONSEPARATEINDEXEDAMDPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquationSeparateIndexedAMD");
+	pGlBlendEquationSeparateiARB = (PFNGLBLENDEQUATIONSEPARATEIPROC) IRR_OGL_LOAD_EXTENSION("glBlendEquationSeparateiARB");
 
 	// get vsync extension
 	#if defined(WGL_EXT_swap_control) && !defined(_IRR_COMPILE_WITH_SDL_DEVICE_)