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/*
* 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_PROGRAM_CONSTANTS_H
#define RADEON_PROGRAM_CONSTANTS_H
typedef enum {
RC_SATURATE_NONE = 0,
RC_SATURATE_ZERO_ONE,
RC_SATURATE_MINUS_PLUS_ONE
} rc_saturate_mode;
typedef enum {
RC_TEXTURE_2D_ARRAY,
RC_TEXTURE_1D_ARRAY,
RC_TEXTURE_CUBE,
RC_TEXTURE_3D,
RC_TEXTURE_RECT,
RC_TEXTURE_2D,
RC_TEXTURE_1D
} rc_texture_target;
typedef enum {
/**
* Used to indicate unused register descriptions and
* source register that use a constant swizzle.
*/
RC_FILE_NONE = 0,
RC_FILE_TEMPORARY,
/**
* Input register.
*
* \note The compiler attaches no implicit semantics to input registers.
* Fragment/vertex program specific semantics must be defined explicitly
* using the appropriate compiler interfaces.
*/
RC_FILE_INPUT,
/**
* Output register.
*
* \note The compiler attaches no implicit semantics to input registers.
* Fragment/vertex program specific semantics must be defined explicitly
* using the appropriate compiler interfaces.
*/
RC_FILE_OUTPUT,
RC_FILE_ADDRESS,
/**
* Indicates a constant from the \ref rc_constant_list .
*/
RC_FILE_CONSTANT,
/**
* Indicates a special register, see RC_SPECIAL_xxx.
*/
RC_FILE_SPECIAL,
/**
* Indicates this register should use the result of the presubtract
* operation.
*/
RC_FILE_PRESUB
} rc_register_file;
enum {
/** R500 fragment program ALU result "register" */
RC_SPECIAL_ALU_RESULT = 0,
/** Must be last */
RC_NUM_SPECIAL_REGISTERS
};
#define RC_REGISTER_INDEX_BITS 10
#define RC_REGISTER_MAX_INDEX (1 << RC_REGISTER_INDEX_BITS)
typedef enum {
RC_SWIZZLE_X = 0,
RC_SWIZZLE_Y,
RC_SWIZZLE_Z,
RC_SWIZZLE_W,
RC_SWIZZLE_ZERO,
RC_SWIZZLE_ONE,
RC_SWIZZLE_HALF,
RC_SWIZZLE_UNUSED
} rc_swizzle;
#define RC_MAKE_SWIZZLE(a,b,c,d) (((a)<<0) | ((b)<<3) | ((c)<<6) | ((d)<<9))
#define RC_MAKE_SWIZZLE_SMEAR(a) RC_MAKE_SWIZZLE((a),(a),(a),(a))
#define GET_SWZ(swz, idx) (((swz) >> ((idx)*3)) & 0x7)
#define GET_BIT(msk, idx) (((msk) >> (idx)) & 0x1)
#define SET_SWZ(swz, idx, newv) \
do { \
(swz) = ((swz) & ~(7 << ((idx)*3))) | ((newv) << ((idx)*3)); \
} while(0)
#define RC_SWIZZLE_XYZW RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_W)
#define RC_SWIZZLE_XYZ0 RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_ZERO)
#define RC_SWIZZLE_XYZZ RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_Z)
#define RC_SWIZZLE_XXXX RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_X)
#define RC_SWIZZLE_YYYY RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_Y)
#define RC_SWIZZLE_ZZZZ RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_Z)
#define RC_SWIZZLE_WWWW RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_W)
#define RC_SWIZZLE_0000 RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_ZERO)
#define RC_SWIZZLE_1111 RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_ONE)
#define RC_SWIZZLE_HHHH RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_HALF)
/**
* \name Bitmasks for components of vectors.
*
* Used for write masks, negation masks, etc.
*/
/*@{*/
#define RC_MASK_NONE 0
#define RC_MASK_X 1
#define RC_MASK_Y 2
#define RC_MASK_Z 4
#define RC_MASK_W 8
#define RC_MASK_XY (RC_MASK_X|RC_MASK_Y)
#define RC_MASK_XYZ (RC_MASK_X|RC_MASK_Y|RC_MASK_Z)
#define RC_MASK_XYW (RC_MASK_X|RC_MASK_Y|RC_MASK_W)
#define RC_MASK_XYZW (RC_MASK_X|RC_MASK_Y|RC_MASK_Z|RC_MASK_W)
/*@}*/
typedef enum {
RC_ALURESULT_NONE = 0,
RC_ALURESULT_X,
RC_ALURESULT_W
} rc_write_aluresult;
typedef enum {
RC_PRESUB_NONE = 0,
/** 1 - 2 * src0 */
RC_PRESUB_BIAS,
/** src1 - src0 */
RC_PRESUB_SUB,
/** src1 + src0 */
RC_PRESUB_ADD,
/** 1 - src0 */
RC_PRESUB_INV
} rc_presubtract_op;
static inline int rc_presubtract_src_reg_count(rc_presubtract_op op){
switch(op){
case RC_PRESUB_BIAS:
case RC_PRESUB_INV:
return 1;
case RC_PRESUB_ADD:
case RC_PRESUB_SUB:
return 2;
default:
return 0;
}
}
#endif /* RADEON_PROGRAM_CONSTANTS_H */
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