diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/Makefile | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/tgsi/util/tgsi_scan.c | 117 | ||||
| -rw-r--r-- | src/gallium/auxiliary/tgsi/util/tgsi_scan.h | 57 |
3 files changed, 175 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/Makefile b/src/gallium/auxiliary/tgsi/Makefile index 71f64b747c2..5555639b705 100644 --- a/src/gallium/auxiliary/tgsi/Makefile +++ b/src/gallium/auxiliary/tgsi/Makefile @@ -9,6 +9,7 @@ C_SOURCES = \ util/tgsi_build.c \ util/tgsi_dump.c \ util/tgsi_parse.c \ + util/tgsi_scan.c \ util/tgsi_transform.c \ util/tgsi_util.c diff --git a/src/gallium/auxiliary/tgsi/util/tgsi_scan.c b/src/gallium/auxiliary/tgsi/util/tgsi_scan.c new file mode 100644 index 00000000000..4b99ac37cce --- /dev/null +++ b/src/gallium/auxiliary/tgsi/util/tgsi_scan.c @@ -0,0 +1,117 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + +/** + * TGSI program scan utility. + * Used to determine which registers and instructions are used by a shader. + * + * Authors: Brian Paul + */ + + +#include "tgsi_scan.h" +#include "tgsi/util/tgsi_parse.h" +#include "tgsi/util/tgsi_build.h" + + + + +/** + */ +void +tgsi_scan_shader(const struct tgsi_token *tokens, + struct tgsi_shader_info *info) +{ + uint procType; + struct tgsi_parse_context parse; + + memset(info, 0, sizeof(*info)); + + /** + ** Setup to begin parsing input shader + **/ + if (tgsi_parse_init( &parse, tokens ) != TGSI_PARSE_OK) { + debug_printf("tgsi_parse_init() failed in tgsi_scan_shader()!\n"); + return; + } + procType = parse.FullHeader.Processor.Processor; + assert(procType == TGSI_PROCESSOR_FRAGMENT || + procType == TGSI_PROCESSOR_VERTEX || + procType == TGSI_PROCESSOR_GEOMETRY); + + + /** + ** Loop over incoming program tokens/instructions + */ + while( !tgsi_parse_end_of_tokens( &parse ) ) { + + tgsi_parse_token( &parse ); + + switch( parse.FullToken.Token.Type ) { + case TGSI_TOKEN_TYPE_INSTRUCTION: + { + struct tgsi_full_instruction *fullinst + = &parse.FullToken.FullInstruction; + + assert(fullinst->Instruction.Opcode < TGSI_OPCODE_LAST); + info->opcode_count[fullinst->Instruction.Opcode]++; + } + break; + + case TGSI_TOKEN_TYPE_DECLARATION: + { + struct tgsi_full_declaration *fulldecl + = &parse.FullToken.FullDeclaration; + uint file = fulldecl->Declaration.File; + uint i; + for (i = fulldecl->u.DeclarationRange.First; + i <= fulldecl->u.DeclarationRange.Last; + i++) { + info->file_mask[file] |= (1 << i); + info->file_count[file]++; + + /* special case */ + if (procType == TGSI_PROCESSOR_FRAGMENT && + file == TGSI_FILE_OUTPUT && + fulldecl->Semantic.SemanticName == TGSI_SEMANTIC_POSITION) { + info->writes_z = TRUE; + } + } + } + break; + + case TGSI_TOKEN_TYPE_IMMEDIATE: + info->immediate_count++; + break; + + default: + assert( 0 ); + } + } + + tgsi_parse_free (&parse); +} diff --git a/src/gallium/auxiliary/tgsi/util/tgsi_scan.h b/src/gallium/auxiliary/tgsi/util/tgsi_scan.h new file mode 100644 index 00000000000..757446437c9 --- /dev/null +++ b/src/gallium/auxiliary/tgsi/util/tgsi_scan.h @@ -0,0 +1,57 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 TGSI_SCAN_H +#define TGSI_SCAN_H + + +#include "pipe/p_util.h" +#include "pipe/p_shader_tokens.h" + + +/** + * Shader summary info + */ +struct tgsi_shader_info +{ + uint file_mask[TGSI_FILE_COUNT]; /**< bitmask of declared registers */ + uint file_count[TGSI_FILE_COUNT]; /**< number of declared registers */ + + uint immediate_count; /**< number of immediates declared */ + + uint opcode_count[TGSI_OPCODE_LAST]; /**< opcode histogram */ + + boolean writes_z; /**< does fragment shader write Z value? */ +}; + + +extern void +tgsi_scan_shader(const struct tgsi_token *tokens, + struct tgsi_shader_info *info); + + +#endif /* TGSI_SCAN_H */ |