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-rw-r--r--src/egl/main/eglapi.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 44fc0b83fad..07f6794799a 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -1395,8 +1395,18 @@ _eglCreateSync(_EGLDisplay *disp, EGLenum type, const EGLint *attrib_list,
_EGL_CHECK_DISPLAY(disp, EGL_NO_SYNC_KHR, drv);
- if (!disp->Extensions.KHR_cl_event2 && is64)
- RETURN_EGL_EVAL(disp, EGL_NO_SYNC_KHR);
+ if (!disp->Extensions.KHR_cl_event2 && is64) {
+ /* There exist two EGLAttrib variants of eglCreateSync*:
+ * eglCreateSync64KHR which requires EGL_KHR_cl_event2, and eglCreateSync
+ * which requires EGL 1.5. Here we use the presence of EGL_KHR_cl_event2
+ * support as a proxy for EGL 1.5 support, even though that's not
+ * entirely correct (though _eglComputeVersion does the same).
+ *
+ * The EGL spec provides no guidance on how to handle unsupported
+ * functions. EGL_BAD_MATCH seems reasonable.
+ */
+ RETURN_EGL_ERROR(disp, EGL_BAD_MATCH, EGL_NO_SYNC_KHR);
+ }
/* return an error if the client API doesn't support GL_OES_EGL_sync */
if (!ctx || ctx->Resource.Display != disp ||