From 1babad1640d958754e98930e96567b178f4433a8 Mon Sep 17 00:00:00 2001
From: Khangaroo <khang06@users.noreply.github.com>
Date: Mon, 11 Nov 2024 20:08:21 -0500
Subject: [PATCH] Don't use default VAO (#487)

* Don't use default VAO

* Don't use a VAO on OpenGL 2.1
---
 src/pc/gfx/gfx_opengl.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/pc/gfx/gfx_opengl.c b/src/pc/gfx/gfx_opengl.c
index 0df60f58..3da2dc5b 100644
--- a/src/pc/gfx/gfx_opengl.c
+++ b/src/pc/gfx/gfx_opengl.c
@@ -67,6 +67,7 @@ static struct ShaderProgram shader_program_pool[CC_MAX_SHADERS];
 static uint8_t shader_program_pool_size = 0;
 static uint8_t shader_program_pool_index = 0;
 static GLuint opengl_vbo;
+static GLuint opengl_vao;
 
 static int tex_cache_size = 0;
 static int num_textures = 0;
@@ -707,6 +708,11 @@ static void gfx_opengl_init(void) {
     glGenBuffers(1, &opengl_vbo);
     
     glBindBuffer(GL_ARRAY_BUFFER, opengl_vbo);
+
+    if (vmajor >= 3 && !is_es) {
+        glGenVertexArrays(1, &opengl_vao);
+        glBindVertexArray(opengl_vao);
+    }
     
     glDepthFunc(GL_LEQUAL);
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);