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| 5564 | serge | 1 | /* |
| 2 | * Copyright (C) 2009 Nicolai Haehnle. |
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| 3 | * |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining |
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| 7 | * a copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sublicense, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial |
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| 16 | * portions of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
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| 22 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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| 23 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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| 24 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | */ |
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| 27 | |||
| 28 | #ifndef RADEON_SWIZZLE_H |
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| 29 | #define RADEON_SWIZZLE_H |
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| 30 | |||
| 31 | #include "radeon_program.h" |
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| 32 | |||
| 33 | struct rc_swizzle_split { |
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| 34 | unsigned char NumPhases; |
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| 35 | unsigned char Phase[4]; |
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| 36 | }; |
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| 37 | |||
| 38 | /** |
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| 39 | * Describe the swizzling capability of target hardware. |
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| 40 | */ |
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| 41 | struct rc_swizzle_caps { |
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| 42 | /** |
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| 43 | * Check whether the given swizzle, absolute and negate combination |
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| 44 | * can be implemented natively by the hardware for this opcode. |
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| 45 | * |
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| 46 | * \return 1 if the swizzle is native for the given opcode |
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| 47 | */ |
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| 48 | int (*IsNative)(rc_opcode opcode, struct rc_src_register reg); |
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| 49 | |||
| 50 | /** |
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| 51 | * Determine how to split access to the masked channels of the |
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| 52 | * given source register to obtain ALU-native swizzles. |
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| 53 | */ |
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| 54 | void (*Split)(struct rc_src_register reg, unsigned int mask, struct rc_swizzle_split * split); |
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| 55 | }; |
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| 56 | |||
| 57 | extern struct rc_swizzle_caps r300_vertprog_swizzle_caps; |
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| 58 | |||
| 59 | #endif /* RADEON_SWIZZLE_H */ |