Alexandros Frantzis : winewayland.drv: Initialize core GL functions.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ea522c613596afce654ae92faa97aae39562a1ca
URL:    https://gitlab.winehq.org/wine/wine/-/commit/ea522c613596afce654ae92faa97aae...

Author: Alexandros Frantzis <alexandros.frantzis(a)collabora.com>
Date:   Wed Sep 29 14:30:53 2021 +0300

winewayland.drv: Initialize core GL functions.

---

 dlls/winewayland.drv/opengl.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/dlls/winewayland.drv/opengl.c b/dlls/winewayland.drv/opengl.c
index 765855e3944..38bc6704128 100644
--- a/dlls/winewayland.drv/opengl.c
+++ b/dlls/winewayland.drv/opengl.c
@@ -45,6 +45,10 @@ static void *egl_handle;
 static struct opengl_funcs opengl_funcs;
 static EGLDisplay egl_display;
 
+#define USE_GL_FUNC(name) #name,
+static const char *opengl_func_names[] = { ALL_WGL_FUNCS };
+#undef USE_GL_FUNC
+
 #define DECL_FUNCPTR(f) static typeof(f) * p_##f
 DECL_FUNCPTR(eglGetError);
 DECL_FUNCPTR(eglGetPlatformDisplay);
@@ -68,6 +72,22 @@ static BOOL has_extension(const char *list, const char *ext)
     return FALSE;
 }
 
+static BOOL init_opengl_funcs(void)
+{
+    unsigned int i;
+
+    for (i = 0; i < ARRAY_SIZE(opengl_func_names); i++)
+    {
+        if (!(((void **)&opengl_funcs.gl)[i] = p_eglGetProcAddress(opengl_func_names[i])))
+        {
+            ERR("%s not found, disabling OpenGL.\n", opengl_func_names[i]);
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}
+
 static void init_opengl(void)
 {
     EGLint egl_version[2];
@@ -124,6 +144,8 @@ static void init_opengl(void)
     }
     TRACE("EGL version %u.%u\n", egl_version[0], egl_version[1]);
 
+    if (!init_opengl_funcs()) goto err;
+
     return;
 
 err: