diff options
Diffstat (limited to 'src/mesa/shader/slang')
| -rw-r--r-- | src/mesa/shader/slang/slang_compile.c | 131 |
1 files changed, 122 insertions, 9 deletions
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c index 75dd8a045b..8ea8675618 100644 --- a/src/mesa/shader/slang/slang_compile.c +++ b/src/mesa/shader/slang/slang_compile.c @@ -36,6 +36,10 @@ #include "shader/prog_print.h" #include "shader/prog_parameter.h" #include "shader/grammar/grammar_mesa.h" +#include "../../glsl/pp/sl_pp_context.h" +#include "../../glsl/pp/sl_pp_purify.h" +#include "../../glsl/pp/sl_pp_version.h" +#include "../../glsl/pp/sl_pp_process.h" #include "slang_codegen.h" #include "slang_compile.h" #include "slang_storage.h" @@ -2579,9 +2583,115 @@ compile_with_grammar(grammar id, const char *source, slang_code_unit * unit, const struct gl_extensions *extensions, struct gl_sl_pragmas *pragmas) { + struct sl_pp_context context; + struct sl_pp_token_info *tokens; byte *prod; - GLuint size, version; - GLuint maxVersion; + GLuint size; + unsigned int version; + unsigned int maxVersion; + int result; + struct sl_pp_purify_options options; + char *outbuf; + struct sl_pp_token_info *intokens; + unsigned int tokens_eaten; + + memset(&options, 0, sizeof(options)); + if (sl_pp_purify(source, &options, &outbuf)) { + return GL_FALSE; + } + + if (sl_pp_context_init(&context)) { + free(outbuf); + return GL_FALSE; + } + + if (sl_pp_tokenise(&context, outbuf, &intokens)) { + sl_pp_context_destroy(&context); + free(outbuf); + return GL_FALSE; + } + + free(outbuf); + + if (sl_pp_version(&context, intokens, &version, &tokens_eaten)) { + sl_pp_context_destroy(&context); + free(intokens); + return GL_FALSE; + } + + if (sl_pp_process(&context, &intokens[tokens_eaten], &tokens)) { + sl_pp_context_destroy(&context); + free(intokens); + return GL_FALSE; + } + + free(intokens); + + /* For the time being we care about only a handful of tokens. */ + { + const struct sl_pp_token_info *src = tokens; + struct sl_pp_token_info *dst = tokens; + + while (src->token != SL_PP_EOF) { + switch (src->token) { + case SL_PP_COMMA: + case SL_PP_SEMICOLON: + case SL_PP_LBRACE: + case SL_PP_RBRACE: + case SL_PP_LPAREN: + case SL_PP_RPAREN: + case SL_PP_LBRACKET: + case SL_PP_RBRACKET: + case SL_PP_DOT: + case SL_PP_INCREMENT: + case SL_PP_ADDASSIGN: + case SL_PP_PLUS: + case SL_PP_DECREMENT: + case SL_PP_SUBASSIGN: + case SL_PP_MINUS: + case SL_PP_BITNOT: + case SL_PP_NOTEQUAL: + case SL_PP_NOT: + case SL_PP_MULASSIGN: + case SL_PP_STAR: + case SL_PP_DIVASSIGN: + case SL_PP_SLASH: + case SL_PP_MODASSIGN: + case SL_PP_MODULO: + case SL_PP_LSHIFTASSIGN: + case SL_PP_LSHIFT: + case SL_PP_LESSEQUAL: + case SL_PP_LESS: + case SL_PP_RSHIFTASSIGN: + case SL_PP_RSHIFT: + case SL_PP_GREATEREQUAL: + case SL_PP_GREATER: + case SL_PP_EQUAL: + case SL_PP_ASSIGN: + case SL_PP_AND: + case SL_PP_BITANDASSIGN: + case SL_PP_BITAND: + case SL_PP_XOR: + case SL_PP_BITXORASSIGN: + case SL_PP_BITXOR: + case SL_PP_OR: + case SL_PP_BITORASSIGN: + case SL_PP_BITOR: + case SL_PP_QUESTION: + case SL_PP_COLON: + case SL_PP_IDENTIFIER: + case SL_PP_NUMBER: + *dst++ = *src++; + break; + + default: + src++; + } + } + + /* The end of stream token. */ + *dst = *src; + } #if FEATURE_ARB_shading_language_120 maxVersion = 120; @@ -2591,20 +2701,23 @@ compile_with_grammar(grammar id, const char *source, slang_code_unit * unit, maxVersion = 110; #endif - /* First retrieve the version number. */ - version = 110; - - if (version > maxVersion) { + if (version > maxVersion || + (version != 100 && version != 110 && version != 120)) { slang_info_log_error(infolog, "language version %.2f is not supported.", version * 0.01); + sl_pp_context_destroy(&context); + free(tokens); return GL_FALSE; } /* Finally check the syntax and generate its binary representation. */ - if (!grammar_fast_check(id, - (const byte *)source, - &prod, &size, 65536)) { + result = grammar_fast_check(id, &context, tokens, &prod, &size, 65536); + + sl_pp_context_destroy(&context); + free(tokens); + + if (!result) { char buf[1024]; GLint pos; |