[GLExtensions] Add ARB_buffer_storage to negate at least one null pointer instance.

Source/Core/VideoBackends/OGL/GLExtensions/ARB_buffer_storage.h

@@ -0,0 +1,27 @@
+// Copyright 2013 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "gl_common.h"
+
+#ifndef GL_ARB_buffer_storage
+#define GL_ARB_buffer_storage 1
+
+#define GL_MAP_READ_BIT 0x0001
+#define GL_MAP_WRITE_BIT 0x0002
+#define GL_MAP_PERSISTENT_BIT 0x00000040
+#define GL_MAP_COHERENT_BIT 0x00000080
+#define GL_DYNAMIC_STORAGE_BIT 0x0100
+#define GL_CLIENT_STORAGE_BIT 0x0200
+#define GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT 0x00004000
+#define GL_BUFFER_IMMUTABLE_STORAGE 0x821F
+#define GL_BUFFER_STORAGE_FLAGS 0x8220
+
+typedef void (GLAPIENTRY * PFNGLBUFFERSTORAGEPROC) (GLenum target, GLsizeiptr size, const GLvoid* data, GLbitfield flags);
+typedef void (GLAPIENTRY * PFNGLNAMEDBUFFERSTORAGEEXTPROC) (GLuint buffer, GLsizeiptr size, const GLvoid* data, GLbitfield flags);
+
+#endif
+
+extern PFNGLBUFFERSTORAGEPROC glBufferStorage;
+extern PFNGLNAMEDBUFFERSTORAGEEXTPROC glNamedBufferStorageEXT;
+

Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp

@@ -427,6 +427,10 @@ PFNGLOBJECTPTRLABELKHRPROC glObjectPtrLabelKHR;
 PFNGLGETOBJECTPTRLABELKHRPROC glGetObjectPtrLabelKHR;
 PFNGLGETPOINTERVKHRPROC glGetPoitnervKHR;
 
+// ARB_buffer_storage
+PFNGLBUFFERSTORAGEPROC glBufferStorage;
+PFNGLNAMEDBUFFERSTORAGEEXTPROC glNamedBufferStorageEXT;
+
 namespace GLExtensions
 {
 	// Private members and functions
@@ -459,6 +463,7 @@ namespace GLExtensions
 	bool init_arb_sample_shading();
 	bool init_arb_debug_output();
 	bool init_khr_debug();
+	bool init_arb_buffer_storage();
 	
 	void InitExtensionList()
 	{
@@ -561,6 +566,7 @@ namespace GLExtensions
 		if (success && !init_arb_debug_output()) success = false;
 		if (success && !init_nv_framebuffer_multisample_coverage()) success = false;
 		if (success && !init_khr_debug()) success = false;
+		if (success && !init_arb_buffer_storage()) success = false;
 
 #if defined(__linux__)
 		dlclose(_dlsym);
@@ -1115,4 +1121,13 @@ namespace GLExtensions
 		GrabFunction(glGetPoitnervKHR)
 		return true;	
 	}
+
+	bool init_arb_buffer_storage()
+	{
+		if (!Supports("GL_ARB_buffer_storage"))
+			return true;
+		GrabFunction(glBufferStorage)
+		GrabFunction(glNamedBufferStorageEXT)
+		return true;
+	}
 }

Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.h

@@ -29,6 +29,7 @@
 #include "ARB_sample_shading.h"
 #include "ARB_debug_output.h"
 #include "KHR_debug.h"
+#include "ARB_buffer_storage.h"
 
 namespace GLExtensions
 {