From 65e1436a23416a07efb2294befcdc96ca5296c9f Mon Sep 17 00:00:00 2001
From: Eric Warmenhoven <eric@warmenhoven.org>
Date: Thu, 13 Feb 2025 03:06:14 -0500
Subject: [PATCH] iOS: set up shared gl context correctly (#17565)

---
 gfx/drivers_context/cocoa_gl_ctx.m | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/gfx/drivers_context/cocoa_gl_ctx.m b/gfx/drivers_context/cocoa_gl_ctx.m
index 65899de61b30..bbe17c3f5a48 100644
--- a/gfx/drivers_context/cocoa_gl_ctx.m
+++ b/gfx/drivers_context/cocoa_gl_ctx.m
@@ -174,6 +174,7 @@ static void cocoa_gl_gfx_ctx_destroy(void *data)
 #else
    [EAGLContext setCurrentContext:nil];
 #endif
+   g_hw_ctx = nil;
    g_ctx = nil;
 
    free(cocoa_ctx);
@@ -481,12 +482,20 @@ static bool cocoa_gl_gfx_ctx_set_video_mode(void *data,
 
 #if defined(HAVE_OPENGLES3)
    if (cocoa_ctx->flags & COCOA_CTX_FLAG_USE_HW_CTX)
+   {
       g_hw_ctx      = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3];
-   g_ctx            = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3];
+      g_ctx         = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3 sharegroup:g_hw_ctx.sharegroup];
+   }
+   else
+      g_ctx         = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3];
 #elif defined(HAVE_OPENGLES2)
    if (cocoa_ctx->flags & COCOA_CTX_FLAG_USE_HW_CTX)
+   {
       g_hw_ctx      = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
-   g_ctx            = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
+      g_ctx         = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2 sharegroup:g_hw_ctx.sharegroup];
+   }
+   else
+      g_ctx         = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
 #endif
 
 #ifdef OSX