From 63513949189b501500961721b5186c90c9672df3 Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Mon, 1 Aug 2022 12:45:38 +0600
Subject: [PATCH] qt: Fix compile on ARM64 with GLES2 headers

---
 src/qt/qt_openglrenderer.cpp | 14 ++++++++++++--
 src/qt/qt_openglrenderer.hpp |  4 +++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/qt/qt_openglrenderer.cpp b/src/qt/qt_openglrenderer.cpp
index 7c7cd55fa..3a5f58846 100644
--- a/src/qt/qt_openglrenderer.cpp
+++ b/src/qt/qt_openglrenderer.cpp
@@ -26,6 +26,14 @@
 #include "qt_opengloptionsdialog.hpp"
 #include "qt_openglrenderer.hpp"
 
+#ifndef GL_MAP_PERSISTENT_BIT
+#define GL_MAP_PERSISTENT_BIT 0x0040
+#endif
+
+#ifndef GL_MAP_COHERENT_BIT
+#define GL_MAP_COHERENT_BIT 0x0080
+#endif
+
 OpenGLRenderer::OpenGLRenderer(QWidget *parent)
     : QWindow(parent->windowHandle())
     , renderTimer(new QTimer(this))
@@ -239,10 +247,12 @@ void
 OpenGLRenderer::initializeExtensions()
 {
 #ifndef NO_BUFFER_STORAGE
-    if (context->hasExtension("GL_ARB_buffer_storage")) {
+    if (context->hasExtension("GL_ARB_buffer_storage") || context->hasExtension("GL_EXT_buffer_storage")) {
         hasBufferStorage = true;
 
-        glBufferStorage = (PFNGLBUFFERSTORAGEPROC) context->getProcAddress("glBufferStorage");
+        glBufferStorage = (PFNGLBUFFERSTORAGEEXTPROC_LOCAL) context->getProcAddress(context->hasExtension("GL_EXT_buffer_storage") ? "glBufferStorageEXT" : "glBufferStorage");
+        if (!glBufferStorage)
+            glBufferStorage = glBufferStorage = (PFNGLBUFFERSTORAGEEXTPROC_LOCAL) context->getProcAddress("glBufferStorage");
     }
 #endif
 }
diff --git a/src/qt/qt_openglrenderer.hpp b/src/qt/qt_openglrenderer.hpp
index a27e0fe21..da64ea79b 100644
--- a/src/qt/qt_openglrenderer.hpp
+++ b/src/qt/qt_openglrenderer.hpp
@@ -39,6 +39,8 @@
 #include "qt_opengloptions.hpp"
 #include "qt_renderercommon.hpp"
 
+typedef void (QOPENGLF_APIENTRYP PFNGLBUFFERSTORAGEEXTPROC_LOCAL) (GLenum target, GLsizeiptr size, const void *data, GLbitfield flags);
+
 class OpenGLRenderer : public QWindow, protected QOpenGLExtraFunctions, public RendererCommon {
     Q_OBJECT
 
@@ -103,7 +105,7 @@ private:
     /* GL_ARB_buffer_storage */
     bool hasBufferStorage = false;
 #ifndef NO_BUFFER_STORAGE
-    PFNGLBUFFERSTORAGEPROC glBufferStorage = nullptr;
+    PFNGLBUFFERSTORAGEEXTPROC_LOCAL glBufferStorage = nullptr;
 #endif
 
 private slots: