- drv->Extensions.String[0] = 0;
-
- if (drv->Extensions.MESA_screen_surface)
- strcat(drv->Extensions.String, "EGL_MESA_screen_surface ");
- if (drv->Extensions.MESA_copy_context)
- strcat(drv->Extensions.String, "EGL_MESA_copy_context ");
- assert(strlen(drv->Extensions.String) < _EGL_MAX_EXTENSIONS_LEN);
+#define _EGL_CHECK_EXTENSION(ext) \
+ do { \
+ if (dpy->Extensions.ext) { \
+ _eglAppendExtension(&exts, "EGL_" #ext); \
+ assert(exts <= dpy->ExtensionsString + _EGL_MAX_EXTENSIONS_LEN); \
+ } \
+ } while (0)
+
+ char *exts = dpy->ExtensionsString;
+
+ if (exts[0])
+ return;
+
+ _EGL_CHECK_EXTENSION(MESA_screen_surface);
+ _EGL_CHECK_EXTENSION(MESA_copy_context);
+ _EGL_CHECK_EXTENSION(MESA_drm_display);
+ _EGL_CHECK_EXTENSION(MESA_drm_image);
+
+ _EGL_CHECK_EXTENSION(WL_bind_wayland_display);
+
+ _EGL_CHECK_EXTENSION(KHR_image_base);
+ _EGL_CHECK_EXTENSION(KHR_image_pixmap);
+ if (dpy->Extensions.KHR_image_base && dpy->Extensions.KHR_image_pixmap)
+ _eglAppendExtension(&exts, "EGL_KHR_image");
+
+ _EGL_CHECK_EXTENSION(KHR_vg_parent_image);
+ _EGL_CHECK_EXTENSION(KHR_gl_texture_2D_image);
+ _EGL_CHECK_EXTENSION(KHR_gl_texture_cubemap_image);
+ _EGL_CHECK_EXTENSION(KHR_gl_texture_3D_image);
+ _EGL_CHECK_EXTENSION(KHR_gl_renderbuffer_image);
+
+ _EGL_CHECK_EXTENSION(KHR_reusable_sync);
+ _EGL_CHECK_EXTENSION(KHR_fence_sync);
+
+ _EGL_CHECK_EXTENSION(KHR_surfaceless_gles1);
+ _EGL_CHECK_EXTENSION(KHR_surfaceless_gles2);
+ _EGL_CHECK_EXTENSION(KHR_surfaceless_opengl);
+
+ _EGL_CHECK_EXTENSION(NOK_swap_region);
+ _EGL_CHECK_EXTENSION(NOK_texture_from_pixmap);
+#undef _EGL_CHECK_EXTENSION