[core] move OpenGL extension loading to their own headers

1 files changed, 0 insertions, 54 deletions

diff --git a/src/mbgl/gl/gl.cpp b/src/mbgl/gl/gl.cpp
index 2040ff0573..5cef254160 100644
--- a/src/mbgl/gl/gl.cpp
+++ b/src/mbgl/gl/gl.cpp
@@ -1,63 +1,9 @@
 #include <mbgl/gl/gl.hpp>
 #include <mbgl/util/string.hpp>
-#include <mbgl/platform/log.hpp>
-
-#include <cassert>
-#include <iostream>
-#include <unordered_map>
-#include <mutex>
 
 namespace mbgl {
 namespace gl {
 
-ExtensionFunction<void (GLuint array)>
-    BindVertexArray({
-        {"GL_ARB_vertex_array_object", "glBindVertexArray"},
-        {"GL_OES_vertex_array_object", "glBindVertexArrayOES"},
-        {"GL_APPLE_vertex_array_object", "glBindVertexArrayAPPLE"}
-    });
-
-ExtensionFunction<void (GLsizei n, const GLuint* arrays)>
-    DeleteVertexArrays({
-        {"GL_ARB_vertex_array_object", "glDeleteVertexArrays"},
-        {"GL_OES_vertex_array_object", "glDeleteVertexArraysOES"},
-        {"GL_APPLE_vertex_array_object", "glDeleteVertexArraysAPPLE"}
-    });
-
-ExtensionFunction<void (GLsizei n, GLuint* arrays)>
-    GenVertexArrays({
-        {"GL_ARB_vertex_array_object", "glGenVertexArrays"},
-        {"GL_OES_vertex_array_object", "glGenVertexArraysOES"},
-        {"GL_APPLE_vertex_array_object", "glGenVertexArraysAPPLE"}
-    });
-
-std::vector<ExtensionFunctionBase*>& ExtensionFunctionBase::functions() {
-    static std::vector<ExtensionFunctionBase*> functions;
-    return functions;
-}
-
-static std::once_flag initializeExtensionsOnce;
-
-void InitializeExtensions(glProc (*getProcAddress)(const char *)) {
-    std::call_once(initializeExtensionsOnce, [getProcAddress] {
-        const char * extensionsPtr = reinterpret_cast<const char *>(
-            MBGL_CHECK_ERROR(glGetString(GL_EXTENSIONS)));
-
-        if (!extensionsPtr)
-            return;
-
-        const std::string extensions = extensionsPtr;
-        for (auto fn : ExtensionFunctionBase::functions()) {
-            for (auto probe : fn->probes) {
-                if (extensions.find(probe.first) != std::string::npos) {
-                    fn->ptr = getProcAddress(probe.second);
-                    break;
-                }
-            }
-        }
-    });
-}
-
 namespace {
 
 constexpr const char* stringFromError(GLenum err) {