glNamedBufferStorageEXT removed from ES spec description, but relevant to desktop OpenGL with DSA. Issue #454

auto/core/gl/GL_EXT_buffer_storage

@@ -0,0 +1,15 @@
+GL_EXT_buffer_storage
+https://www.khronos.org/registry/OpenGL/extensions/EXT/EXT_buffer_storage.txt
+GL_EXT_buffer_storage
+
+	GL_MAP_READ_BIT 0x0001
+	GL_MAP_WRITE_BIT 0x0002
+	GL_MAP_PERSISTENT_BIT_EXT 0x0040
+	GL_MAP_COHERENT_BIT_EXT 0x0080
+	GL_DYNAMIC_STORAGE_BIT_EXT 0x0100
+	GL_CLIENT_STORAGE_BIT_EXT 0x0200
+	GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT_EXT 0x00004000
+	GL_BUFFER_IMMUTABLE_STORAGE_EXT 0x821F
+	GL_BUFFER_STORAGE_FLAGS_EXT 0x8220
+	void glBufferStorageEXT (GLenum target, GLsizeiptr size, const void *data, GLbitfield flags)
+	void glNamedBufferStorageEXT (GLuint buffer, GLsizeiptr size, const void *data, GLbitfield flags)