| /* |
| * Copyright (C) 2008 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_PAIR_H_ |
| #define __RADEON_PROGRAM_PAIR_H_ |
| |
| #include "radeon_code.h" |
| #include "radeon_opcodes.h" |
| #include "radeon_program_constants.h" |
| |
| struct radeon_compiler; |
| |
| |
| /** |
| * \file |
| * Represents a paired ALU instruction, as found in R300 and R500 |
| * fragment programs. |
| * |
| * Note that this representation is taking some liberties as far |
| * as register files are concerned, to allow separate register |
| * allocation. |
| * |
| * Also note that there are some subtleties in that the semantics |
| * of certain opcodes are implicitly changed in this representation; |
| * see \ref rc_pair_translate |
| */ |
| |
| /* For rgb and alpha instructions when arg[n].Source = RC_PAIR_PRESUB_SRC, then |
| * the presubtract value will be used, and |
| * {RGB,Alpha}.Src[RC_PAIR_PRESUB_SRC].File will be set to RC_FILE_PRESUB. |
| */ |
| #define RC_PAIR_PRESUB_SRC 3 |
| |
| struct rc_pair_instruction_source { |
| unsigned int Used:1; |
| unsigned int File:4; |
| unsigned int Index:RC_REGISTER_INDEX_BITS; |
| }; |
| |
| struct rc_pair_instruction_arg { |
| unsigned int Source:2; |
| unsigned int Swizzle:12; |
| unsigned int Abs:1; |
| unsigned int Negate:1; |
| }; |
| |
| struct rc_pair_sub_instruction { |
| unsigned int Opcode:8; |
| unsigned int DestIndex:RC_REGISTER_INDEX_BITS; |
| unsigned int WriteMask:4; |
| unsigned int Target:2; |
| unsigned int OutputWriteMask:3; |
| unsigned int DepthWriteMask:1; |
| unsigned int Saturate:1; |
| unsigned int Omod:3; |
| |
| struct rc_pair_instruction_source Src[4]; |
| struct rc_pair_instruction_arg Arg[3]; |
| }; |
| |
| struct rc_pair_instruction { |
| struct rc_pair_sub_instruction RGB; |
| struct rc_pair_sub_instruction Alpha; |
| |
| unsigned int WriteALUResult:2; |
| unsigned int ALUResultCompare:3; |
| unsigned int Nop:1; |
| unsigned int SemWait:1; |
| }; |
| |
| typedef void (*rc_pair_foreach_src_fn) |
| (void *, struct rc_pair_instruction_source *); |
| |
| /** |
| * General helper functions for dealing with the paired instruction format. |
| */ |
| /*@{*/ |
| int rc_pair_alloc_source(struct rc_pair_instruction *pair, |
| unsigned int rgb, unsigned int alpha, |
| rc_register_file file, unsigned int index); |
| |
| void rc_pair_foreach_source_that_alpha_reads( |
| struct rc_pair_instruction * pair, |
| void * data, |
| rc_pair_foreach_src_fn cb); |
| |
| void rc_pair_foreach_source_that_rgb_reads( |
| struct rc_pair_instruction * pair, |
| void * data, |
| rc_pair_foreach_src_fn cb); |
| |
| struct rc_pair_instruction_source * rc_pair_get_src( |
| struct rc_pair_instruction * pair_inst, |
| struct rc_pair_instruction_arg * arg); |
| |
| int rc_pair_get_src_index( |
| struct rc_pair_instruction * pair_inst, |
| struct rc_pair_instruction_source * src); |
| /*@}*/ |
| |
| |
| /** |
| * Compiler passes that operate with the paired format. |
| */ |
| /*@{*/ |
| struct radeon_pair_handler; |
| |
| void rc_pair_translate(struct radeon_compiler *cc, void *user); |
| void rc_pair_schedule(struct radeon_compiler *cc, void *user); |
| void rc_pair_regalloc(struct radeon_compiler *cc, void *user); |
| void rc_pair_regalloc_inputs_only(struct radeon_compiler *cc, void *user); |
| void rc_pair_remove_dead_sources(struct radeon_compiler *c, void *user); |
| /*@}*/ |
| |
| #endif /* __RADEON_PROGRAM_PAIR_H_ */ |