diff options
Diffstat (limited to 'src/gallium/drivers/r300/compiler/radeon_dataflow.h')
| -rw-r--r-- | src/gallium/drivers/r300/compiler/radeon_dataflow.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/compiler/radeon_dataflow.h b/src/gallium/drivers/r300/compiler/radeon_dataflow.h new file mode 100644 index 00000000000..d8a627258ea --- /dev/null +++ b/src/gallium/drivers/r300/compiler/radeon_dataflow.h @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2009 Nicolai Haehnle. + * Copyright 2010 Tom Stellard <[email protected]> + * + * 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_DATAFLOW_H +#define RADEON_DATAFLOW_H + +#include "radeon_program_constants.h" + +struct radeon_compiler; +struct rc_instruction; +struct rc_swizzle_caps; +struct rc_src_register; +struct rc_pair_instruction_arg; +struct rc_pair_instruction_source; +struct rc_pair_sub_instruction; +struct rc_compiler; + + +/** + * Help analyze and modify the register accesses of instructions. + */ +/*@{*/ +typedef void (*rc_read_write_chan_fn)(void * userdata, struct rc_instruction * inst, + rc_register_file file, unsigned int index, unsigned int chan); +void rc_for_all_reads_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata); +void rc_for_all_writes_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata); + +typedef void (*rc_read_write_mask_fn)(void * userdata, struct rc_instruction * inst, + rc_register_file file, unsigned int index, unsigned int mask); +void rc_for_all_reads_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata); +void rc_for_all_writes_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata); + +typedef void (*rc_read_src_fn)(void * userdata, struct rc_instruction * inst, + struct rc_src_register * src); +void rc_for_all_reads_src(struct rc_instruction * inst, rc_read_src_fn cb, + void * userdata); + +typedef void (*rc_pair_read_arg_fn)(void * userdata, + struct rc_instruction * inst, struct rc_pair_instruction_arg * arg, + struct rc_pair_instruction_source * src); +void rc_pair_for_all_reads_arg(struct rc_instruction * inst, + rc_pair_read_arg_fn cb, void * userdata); + +typedef void (*rc_remap_register_fn)(void * userdata, struct rc_instruction * inst, + rc_register_file * pfile, unsigned int * pindex); +void rc_remap_registers(struct rc_instruction * inst, rc_remap_register_fn cb, void * userdata); +/*@}*/ + +struct rc_reader { + struct rc_instruction * Inst; + unsigned int WriteMask; + union { + struct { + struct rc_src_register * Src; + } I; + struct { + struct rc_pair_instruction_arg * Arg; + struct rc_pair_instruction_source * Src; + } P; + } U; +}; + +struct rc_reader_data { + unsigned int Abort; + unsigned int AbortOnRead; + unsigned int AbortOnWrite; + unsigned int LoopDepth; + unsigned int InElse; + struct rc_instruction * Writer; + + unsigned int ReaderCount; + unsigned int ReadersReserved; + struct rc_reader * Readers; + + /* If this flag is enabled, rc_get_readers will exit as soon possbile + * after the Abort flag is set.*/ + unsigned int ExitOnAbort; + void * CbData; +}; + +void rc_get_readers( + struct radeon_compiler * c, + struct rc_instruction * writer, + struct rc_reader_data * data, + rc_read_src_fn read_normal_cb, + rc_pair_read_arg_fn read_pair_cb, + rc_read_write_mask_fn write_cb); + +void rc_get_readers_sub( + struct radeon_compiler * c, + struct rc_instruction * writer, + struct rc_pair_sub_instruction * sub_writer, + struct rc_reader_data * data, + rc_read_src_fn read_normal_cb, + rc_pair_read_arg_fn read_pair_cb, + rc_read_write_mask_fn write_cb); +/** + * Compiler passes based on dataflow analysis. + */ +/*@{*/ +typedef void (*rc_dataflow_mark_outputs_fn)(void * userdata, void * data, + void (*mark_fn)(void * data, unsigned int index, unsigned int mask)); +void rc_dataflow_deadcode(struct radeon_compiler * c, void *user); +void rc_dataflow_swizzles(struct radeon_compiler * c, void *user); +/*@}*/ + +void rc_optimize(struct radeon_compiler * c, void *user); + +#endif /* RADEON_DATAFLOW_H */ |