From 638ecbda3eed8319ce82be9c119ca1f96f21d976 Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Fri, 18 Jul 2008 00:39:23 +0200 Subject: tgsi: Add tgsi_iterate_shader utility. Walks the token stream and invokes callbacks. --- src/gallium/auxiliary/tgsi/util/tgsi_iterate.c | 82 ++++++++++++++++++++++++++ src/gallium/auxiliary/tgsi/util/tgsi_iterate.h | 73 +++++++++++++++++++++++ 2 files changed, 155 insertions(+) create mode 100644 src/gallium/auxiliary/tgsi/util/tgsi_iterate.c create mode 100644 src/gallium/auxiliary/tgsi/util/tgsi_iterate.h (limited to 'src/gallium/auxiliary/tgsi/util') diff --git a/src/gallium/auxiliary/tgsi/util/tgsi_iterate.c b/src/gallium/auxiliary/tgsi/util/tgsi_iterate.c new file mode 100644 index 0000000000..43d7a6b1d5 --- /dev/null +++ b/src/gallium/auxiliary/tgsi/util/tgsi_iterate.c @@ -0,0 +1,82 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +#include "pipe/p_debug.h" +#include "tgsi_iterate.h" + +boolean +tgsi_iterate_shader( + const struct tgsi_token *tokens, + struct tgsi_iterate_context *ctx ) +{ + struct tgsi_parse_context parse; + + if (tgsi_parse_init( &parse, tokens ) != TGSI_PARSE_OK) + return FALSE; + + if (ctx->prolog) + if (!ctx->prolog( ctx )) + goto fail; + + while (!tgsi_parse_end_of_tokens( &parse )) { + tgsi_parse_token( &parse ); + + switch (parse.FullToken.Token.Type) { + case TGSI_TOKEN_TYPE_INSTRUCTION: + if (ctx->iterate_instruction) + if (!ctx->iterate_instruction( ctx, &parse.FullToken.FullInstruction )) + goto fail; + break; + + case TGSI_TOKEN_TYPE_DECLARATION: + if (ctx->iterate_declaration) + if (!ctx->iterate_declaration( ctx, &parse.FullToken.FullDeclaration )) + goto fail; + break; + + case TGSI_TOKEN_TYPE_IMMEDIATE: + if (ctx->iterate_immediate) + if (!ctx->iterate_immediate( ctx, &parse.FullToken.FullImmediate )) + goto fail; + break; + + default: + assert( 0 ); + } + } + + if (ctx->epilog) + if (!ctx->epilog( ctx )) + goto fail; + + tgsi_parse_free( &parse ); + return TRUE; + +fail: + tgsi_parse_free( &parse ); + return FALSE; +} diff --git a/src/gallium/auxiliary/tgsi/util/tgsi_iterate.h b/src/gallium/auxiliary/tgsi/util/tgsi_iterate.h new file mode 100644 index 0000000000..18729c2d1a --- /dev/null +++ b/src/gallium/auxiliary/tgsi/util/tgsi_iterate.h @@ -0,0 +1,73 @@ +/************************************************************************** + * + * 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_ITERATE_H +#define TGSI_ITERATE_H + +#include "pipe/p_shader_tokens.h" +#include "tgsi/util/tgsi_parse.h" + +#if defined __cplusplus +extern "C" { +#endif + +struct tgsi_iterate_context +{ + boolean + (* prolog)( + struct tgsi_iterate_context *ctx ); + + boolean + (* iterate_instruction)( + struct tgsi_iterate_context *ctx, + struct tgsi_full_instruction *inst ); + + boolean + (* iterate_declaration)( + struct tgsi_iterate_context *ctx, + struct tgsi_full_declaration *decl ); + + boolean + (* iterate_immediate)( + struct tgsi_iterate_context *ctx, + struct tgsi_full_immediate *imm ); + + boolean + (* epilog)( + struct tgsi_iterate_context *ctx ); +}; + +boolean +tgsi_iterate_shader( + const struct tgsi_token *tokens, + struct tgsi_iterate_context *ctx ); + +#if defined __cplusplus +} +#endif + +#endif /* TGSI_ITERATE_H */ -- cgit v1.2.3