1 files changed, 57 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_swizzle.h b/src/mesa/drivers/dri/r300/compiler/radeon_swizzle.h
new file mode 100644
index 0000000000..c81d5f7a5e
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_swizzle.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2009 Nicolai Haehnle.
+ *
+ * All Rights Reserved.
+ *
+ * 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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.
+ *
+ */
+
+#ifndef RADEON_SWIZZLE_H
+#define RADEON_SWIZZLE_H
+
+#include "radeon_program.h"
+
+struct rc_swizzle_split {
+	unsigned char NumPhases;
+	unsigned char Phase[4];
+};
+
+/**
+ * Describe the swizzling capability of target hardware.
+ */
+struct rc_swizzle_caps {
+	/**
+	 * Check whether the given swizzle, absolute and negate combination
+	 * can be implemented natively by the hardware for this opcode.
+	 *
+	 * \return 1 if the swizzle is native for the given opcode
+	 */
+	int (*IsNative)(rc_opcode opcode, struct rc_src_register reg);
+
+	/**
+	 * Determine how to split access to the masked channels of the
+	 * given source register to obtain ALU-native swizzles.
+	 */
+	void (*Split)(struct rc_src_register reg, unsigned int mask, struct rc_swizzle_split * split);
+};
+
+#endif /* RADEON_SWIZZLE_H */