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* Copyright (C) 2009 Nicolai Haehnle.
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef RADEON_SWIZZLE_H
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#define RADEON_SWIZZLE_H
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#include "radeon_program.h"
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struct rc_swizzle_split {
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unsigned char NumPhases;
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unsigned char Phase[4];
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* Describe the swizzling capability of target hardware.
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struct rc_swizzle_caps {
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* Check whether the given swizzle, absolute and negate combination
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* can be implemented natively by the hardware for this opcode.
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* \return 1 if the swizzle is native for the given opcode
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int (*IsNative)(rc_opcode opcode, struct rc_src_register reg);
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* Determine how to split access to the masked channels of the
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* given source register to obtain ALU-native swizzles.
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void (*Split)(struct rc_src_register reg, unsigned int mask, struct rc_swizzle_split * split);
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#endif /* RADEON_SWIZZLE_H */