From: Chia-I Wu <olvaffe@gmail.com>
Date: Thu, 7 Feb 2019 23:11:57 +0000 (-0800)
Subject: egl: fix KHR_partial_update without EXT_buffer_age
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2f8734e13b18ac38d54d6d4e7e6028f41518e5be;p=mesa.git

egl: fix KHR_partial_update without EXT_buffer_age

EGL_BUFFER_AGE_EXT can be queried without EXT_buffer_age.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
---

diff --git a/src/egl/main/eglsurface.c b/src/egl/main/eglsurface.c
index ffef1b8f259..7d96514f775 100644
--- a/src/egl/main/eglsurface.c
+++ b/src/egl/main/eglsurface.c
@@ -522,7 +522,12 @@ _eglQuerySurface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surface,
       *value = surface->PostSubBufferSupportedNV;
       break;
    case EGL_BUFFER_AGE_EXT:
-      if (!disp->Extensions.EXT_buffer_age)
+      /* Both EXT_buffer_age and KHR_partial_update accept EGL_BUFFER_AGE_EXT.
+       * To be precise, the KHR one accepts EGL_BUFFER_AGE_KHR which is an
+       * alias with the same numeric value.
+       */
+      if (!disp->Extensions.EXT_buffer_age &&
+          !disp->Extensions.KHR_partial_update)
          return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
 
       _EGLContext *ctx = _eglGetCurrentContext();