mesa: Add a check for OES_viewport_array

[mesa.git] / src / mesa / main / viewport.c

diff --git a/src/mesa/main/viewport.c b/src/mesa/main/viewport.c
index f59723fad9571594c4f6551a7e02a16459ada0a3..bd580446f7620d174530493e211721c739f2d616 100644 (file)
--- a/src/mesa/main/viewport.c
+++ b/src/mesa/main/viewport.c
@@ -52,7 +52,9 @@ set_viewport_no_notify(struct gl_context *ctx, unsigned idx,
     *     determined by calling GetFloatv with the symbolic constant
     *     VIEWPORT_BOUNDS_RANGE (see section 6.1)."
     */
-   if (ctx->Extensions.ARB_viewport_array) {
+   if (ctx->Extensions.ARB_viewport_array ||
+       (ctx->Extensions.OES_viewport_array &&
+        _mesa_is_gles31(ctx))) {
       x = CLAMP(x,
                 ctx->Const.ViewportBounds.Min, ctx->Const.ViewportBounds.Max);
       y = CLAMP(y,