1 files changed, 59 insertions, 0 deletions
diff --git a/src/mesa/main/barrier.c b/src/mesa/main/barrier.c
new file mode 100644
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+++ b/src/mesa/main/barrier.c
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+/*
+ * Copyright © 2011 Marek Olšák <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file barrier.c
+ * Implementation of various pipeline barrier entry points.
+ *
+ * \author Marek Olšák <[email protected]>
+ */
+
+#include "context.h"
+#include "barrier.h"
+
+
+static void
+_mesa_texture_barrier(struct gl_context *ctx)
+{
+   /* no-op */
+}
+
+void
+_mesa_init_barrier_functions(struct dd_function_table *driver)
+{
+   driver->TextureBarrier = _mesa_texture_barrier;
+}
+
+void GLAPIENTRY
+_mesa_TextureBarrierNV(void)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (!ctx->Extensions.NV_texture_barrier) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glTextureBarrier(not supported)");
+      return;
+   }
+
+   ctx->Driver.TextureBarrier(ctx);
+}