1 files changed, 22 insertions, 4 deletions
diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.c b/mesalib/src/mesa/drivers/dri/common/dri_util.c
index 0bce77ea9..d64821112 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_util.c
+++ b/mesalib/src/mesa/drivers/dri/common/dri_util.c
@@ -438,16 +438,19 @@ driCreateContextAttribs(__DRIscreen *screen, int api,
         return NULL;
     }
 
-    struct gl_context *ctx = context->driverPrivate;
+    *error = __DRI_CTX_ERROR_SUCCESS;
+    return context;
+}
+
+void
+driContextSetFlags(struct gl_context *ctx, uint32_t flags)
+{
     if ((flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0)
         ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT;
     if ((flags & __DRI_CTX_FLAG_DEBUG) != 0) {
         ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_DEBUG_BIT;
         ctx->Debug.DebugOutput = GL_TRUE;
     }
-
-    *error = __DRI_CTX_ERROR_SUCCESS;
-    return context;
 }
 
 static __DRIcontext *
@@ -873,3 +876,18 @@ const __DRIimageDriverExtension driImageDriverExtension = {
     .getAPIMask                 = driGetAPIMask,
     .createContextAttribs       = driCreateContextAttribs,
 };
+
+/* swrast copy sub buffer entrypoint. */
+static void driCopySubBuffer(__DRIdrawable *pdp, int x, int y,
+                             int w, int h)
+{
+    assert(pdp->driScreenPriv->swrast_loader);
+
+    pdp->driScreenPriv->driver->CopySubBuffer(pdp, x, y, w, h);
+}
+
+/* for swrast only */
+const __DRIcopySubBufferExtension driCopySubBufferExtension = {
+   { __DRI_COPY_SUB_BUFFER, 1 },
+   .copySubBuffer = driCopySubBuffer,
+};