diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_linkage.c')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_linkage.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_linkage.c b/mesalib/src/gallium/auxiliary/util/u_linkage.c deleted file mode 100644 index 245d941dc..000000000 --- a/mesalib/src/gallium/auxiliary/util/u_linkage.c +++ /dev/null @@ -1,149 +0,0 @@ -/************************************************************************** - * - * Copyright 2010 Luca Barbieri - * - * 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. - * - **************************************************************************/ - -#include "util/u_debug.h" -#include "pipe/p_shader_tokens.h" -#include "tgsi/tgsi_parse.h" -#include "tgsi/tgsi_scan.h" -#include "util/u_linkage.h" - -/* we must only record the registers that are actually used, not just declared */ -static INLINE boolean -util_semantic_set_test_and_set(struct util_semantic_set *set, unsigned value) -{ - unsigned mask = 1 << (value % (sizeof(long) * 8)); - unsigned long *p = &set->masks[value / (sizeof(long) * 8)]; - unsigned long v = *p & mask; - *p |= mask; - return !!v; -} - -unsigned -util_semantic_set_from_program_file(struct util_semantic_set *set, const struct tgsi_token *tokens, enum tgsi_file_type file) -{ - struct tgsi_shader_info info; - struct tgsi_parse_context parse; - unsigned count = 0; - ubyte *semantic_name; - ubyte *semantic_index; - - tgsi_scan_shader(tokens, &info); - - if(file == TGSI_FILE_INPUT) - { - semantic_name = info.input_semantic_name; - semantic_index = info.input_semantic_index; - } - else if(file == TGSI_FILE_OUTPUT) - { - semantic_name = info.output_semantic_name; - semantic_index = info.output_semantic_index; - } - else - { - assert(0); - semantic_name = NULL; - semantic_index = NULL; - } - - tgsi_parse_init(&parse, tokens); - - memset(set->masks, 0, sizeof(set->masks)); - while(!tgsi_parse_end_of_tokens(&parse)) - { - tgsi_parse_token(&parse); - - if(parse.FullToken.Token.Type == TGSI_TOKEN_TYPE_INSTRUCTION) - { - const struct tgsi_full_instruction *finst = &parse.FullToken.FullInstruction; - unsigned i; - for(i = 0; i < finst->Instruction.NumDstRegs; ++i) - { - if(finst->Dst[i].Register.File == file) - { - unsigned idx = finst->Dst[i].Register.Index; - if(semantic_name[idx] == TGSI_SEMANTIC_GENERIC) - { - if(!util_semantic_set_test_and_set(set, semantic_index[idx])) - ++count; - } - } - } - - for(i = 0; i < finst->Instruction.NumSrcRegs; ++i) - { - if(finst->Src[i].Register.File == file) - { - unsigned idx = finst->Src[i].Register.Index; - if(semantic_name[idx] == TGSI_SEMANTIC_GENERIC) - { - if(!util_semantic_set_test_and_set(set, semantic_index[idx])) - ++count; - } - } - } - } - } - tgsi_parse_free(&parse); - - return count; -} - -#define UTIL_SEMANTIC_SET_FOR_EACH(i, set) for(i = 0; i < 256; ++i) if(set->masks[i / (sizeof(long) * 8)] & (1 << (i % (sizeof(long) * 8)))) - -void -util_semantic_layout_from_set(unsigned char *layout, const struct util_semantic_set *set, unsigned efficient_slots, unsigned num_slots) -{ - int first = -1; - int last = -1; - unsigned i; - - memset(layout, 0xff, num_slots); - - UTIL_SEMANTIC_SET_FOR_EACH(i, set) - { - if(first < 0) - first = i; - last = i; - } - - if (last < (int) efficient_slots) - { - UTIL_SEMANTIC_SET_FOR_EACH(i, set) - layout[i] = i; - } - else if ((last - first) < (int) efficient_slots) - { - UTIL_SEMANTIC_SET_FOR_EACH(i, set) - layout[i - first] = i; - } - else - { - unsigned idx = 0; - UTIL_SEMANTIC_SET_FOR_EACH(i, set) - layout[idx++] = i; - } -} |