diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_compile.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_compile.c | 367 |
1 files changed, 225 insertions, 142 deletions
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c index 6a91d0f3f07..63d10f45978 100644 --- a/src/mesa/shader/slang/slang_compile.c +++ b/src/mesa/shader/slang/slang_compile.c @@ -35,10 +35,10 @@ #include "shader/prog_optimize.h" #include "shader/prog_print.h" #include "shader/prog_parameter.h" -#include "shader/grammar/grammar_mesa.h" +#include "../../glsl/pp/sl_pp_public.h" +#include "../../glsl/cl/sl_cl_parse.h" #include "slang_codegen.h" #include "slang_compile.h" -#include "slang_preprocess.h" #include "slang_storage.h" #include "slang_log.h" #include "slang_mem.h" @@ -125,7 +125,7 @@ _slang_code_object_dtr(slang_code_object * self) typedef struct slang_parse_ctx_ { - const byte *I; + const unsigned char *I; slang_info_log *L; int parsing_builtin; GLboolean global_scope; /**< Is object being declared a global? */ @@ -181,22 +181,102 @@ parse_identifier(slang_parse_ctx * C) } static int +is_hex_digit(char c) +{ + return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'); +} + +static int +parse_general_number(slang_parse_ctx *ctx, float *number) +{ + char *flt = NULL; + + if (*ctx->I == '0') { + int value = 0; + const unsigned char *pi; + + if (ctx->I[1] == 'x' || ctx->I[1] == 'X') { + ctx->I += 2; + if (!is_hex_digit(*ctx->I)) { + return 0; + } + do { + int digit; + + if (*ctx->I >= '0' && *ctx->I <= '9') { + digit = (int)(*ctx->I - '0'); + } else if (*ctx->I >= 'a' && *ctx->I <= 'f') { + digit = (int)(*ctx->I - 'a') + 10; + } else { + digit = (int)(*ctx->I - 'A') + 10; + } + value = value * 0x10 + digit; + ctx->I++; + } while (is_hex_digit(*ctx->I)); + if (*ctx->I != '\0') { + return 0; + } + ctx->I++; + *number = (float)value; + return 1; + } + + pi = ctx->I; + pi++; + while (*pi >= '0' && *pi <= '7') { + int digit; + + digit = (int)(*pi - '0'); + value = value * 010 + digit; + pi++; + } + if (*pi == '\0') { + pi++; + ctx->I = pi; + *number = (float)value; + return 1; + } + } + + parse_identifier_str(ctx, &flt); + flt = strdup(flt); + if (!flt) { + return 0; + } + if (flt[strlen(flt) - 1] == 'f' || flt[strlen(flt) - 1] == 'F') { + flt[strlen(flt) - 1] = '\0'; + } + *number = (float)_mesa_strtod(flt, (char **)NULL); + free(flt); + + return 1; +} + +static int parse_number(slang_parse_ctx * C, int *number) { const int radix = (int) (*C->I++); - *number = 0; - while (*C->I != '\0') { - int digit; - if (*C->I >= '0' && *C->I <= '9') - digit = (int) (*C->I - '0'); - else if (*C->I >= 'A' && *C->I <= 'Z') - digit = (int) (*C->I - 'A') + 10; - else - digit = (int) (*C->I - 'a') + 10; - *number = *number * radix + digit; + + if (radix == 1) { + float f = 0.0f; + + parse_general_number(C, &f); + *number = (int)f; + } else { + *number = 0; + while (*C->I != '\0') { + int digit; + if (*C->I >= '0' && *C->I <= '9') + digit = (int) (*C->I - '0'); + else if (*C->I >= 'A' && *C->I <= 'Z') + digit = (int) (*C->I - 'A') + 10; + else + digit = (int) (*C->I - 'a') + 10; + *number = *number * radix + digit; + C->I++; + } C->I++; } - C->I++; if (*number > 65535) slang_info_log_warning(C->L, "%d: literal integer overflow.", *number); return 1; @@ -205,32 +285,37 @@ parse_number(slang_parse_ctx * C, int *number) static int parse_float(slang_parse_ctx * C, float *number) { - char *integral = NULL; - char *fractional = NULL; - char *exponent = NULL; - char *whole = NULL; - - parse_identifier_str(C, &integral); - parse_identifier_str(C, &fractional); - parse_identifier_str(C, &exponent); - - whole = (char *) _slang_alloc((_mesa_strlen(integral) + - _mesa_strlen(fractional) + - _mesa_strlen(exponent) + 3) * sizeof(char)); - if (whole == NULL) { - slang_info_log_memory(C->L); - RETURN0; - } + if (*C->I == 1) { + C->I++; + parse_general_number(C, number); + } else { + char *integral = NULL; + char *fractional = NULL; + char *exponent = NULL; + char *whole = NULL; + + parse_identifier_str(C, &integral); + parse_identifier_str(C, &fractional); + parse_identifier_str(C, &exponent); + + whole = (char *) _slang_alloc((_mesa_strlen(integral) + + _mesa_strlen(fractional) + + _mesa_strlen(exponent) + 3) * sizeof(char)); + if (whole == NULL) { + slang_info_log_memory(C->L); + RETURN0; + } - slang_string_copy(whole, integral); - slang_string_concat(whole, "."); - slang_string_concat(whole, fractional); - slang_string_concat(whole, "E"); - slang_string_concat(whole, exponent); + slang_string_copy(whole, integral); + slang_string_concat(whole, "."); + slang_string_concat(whole, fractional); + slang_string_concat(whole, "E"); + slang_string_concat(whole, exponent); - *number = (float) (_mesa_strtod(whole, (char **) NULL)); + *number = (float) (_mesa_strtod(whole, (char **) NULL)); - _slang_free(whole); + _slang_free(whole); + } return 1; } @@ -2455,7 +2540,7 @@ parse_code_unit(slang_parse_ctx * C, slang_code_unit * unit, } static GLboolean -compile_binary(const byte * prod, slang_code_unit * unit, +compile_binary(const unsigned char * prod, slang_code_unit * unit, GLuint version, slang_unit_type type, slang_info_log * infolog, slang_code_unit * builtin, slang_code_unit * downlink, @@ -2488,17 +2573,56 @@ compile_binary(const byte * prod, slang_code_unit * unit, } static GLboolean -compile_with_grammar(grammar id, const char *source, slang_code_unit * unit, - slang_unit_type type, slang_info_log * infolog, - slang_code_unit * builtin, +compile_with_grammar(const char *source, + slang_code_unit *unit, + slang_unit_type type, + slang_info_log *infolog, + slang_code_unit *builtin, struct gl_shader *shader, - const struct gl_extensions *extensions, - struct gl_sl_pragmas *pragmas) + struct gl_sl_pragmas *pragmas, + unsigned int shader_type, + unsigned int parsing_builtin) { - byte *prod; - GLuint size, start, version; - slang_string preprocessed; - GLuint maxVersion; + struct sl_pp_purify_options options; + struct sl_pp_context *context; + unsigned char *prod; + GLuint size; + unsigned int version; + unsigned int maxVersion; + int result; + char errmsg[200] = ""; + + assert(shader_type == 1 || shader_type == 2); + + memset(&options, 0, sizeof(options)); + + context = sl_pp_context_create(source, &options); + if (!context) { + slang_info_log_error(infolog, "out of memory"); + return GL_FALSE; + } + + if (sl_pp_version(context, &version)) { + slang_info_log_error(infolog, "%s", sl_pp_context_error_message(context)); + sl_pp_context_destroy(context); + return GL_FALSE; + } + + if (sl_pp_context_add_extension(context, "ARB_draw_buffers", "GL_ARB_draw_buffers") || + sl_pp_context_add_extension(context, "ARB_texture_rectangle", "GL_ARB_texture_rectangle")) { + slang_info_log_error(infolog, "%s", sl_pp_context_error_message(context)); + sl_pp_context_destroy(context); + return GL_FALSE; + } + +#if FEATURE_es2_glsl + if (sl_pp_context_add_predefined(context, "GL_ES", "1") || + sl_pp_context_add_predefined(context, "GL_FRAGMENT_PRECISION_HIGH", "1")) { + slang_info_log_error(infolog, "%s", sl_pp_context_error_message(context)); + sl_pp_context_destroy(context); + return GL_FALSE; + } +#endif #if FEATURE_ARB_shading_language_120 maxVersion = 120; @@ -2508,36 +2632,30 @@ compile_with_grammar(grammar id, const char *source, slang_code_unit * unit, maxVersion = 110; #endif - /* First retrieve the version number. */ - if (!_slang_preprocess_version(source, &version, &start, infolog)) - return GL_FALSE; - - 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); - return GL_FALSE; - } - - /* Now preprocess the source string. */ - slang_string_init(&preprocessed); - if (!_slang_preprocess_directives(&preprocessed, &source[start], - infolog, extensions, pragmas)) { - slang_string_free(&preprocessed); - slang_info_log_error(infolog, "failed to preprocess the source."); + sl_pp_context_destroy(context); return GL_FALSE; } /* Finally check the syntax and generate its binary representation. */ - if (!grammar_fast_check(id, - (const byte *) (slang_string_cstr(&preprocessed)), - &prod, &size, 65536)) { - char buf[1024]; - GLint pos; - - slang_string_free(&preprocessed); - grammar_get_last_error((byte *) (buf), sizeof(buf), &pos); - slang_info_log_error(infolog, buf); + result = sl_cl_compile(context, + shader_type, + parsing_builtin, + &prod, + &size, + errmsg, + sizeof(errmsg)); + + sl_pp_context_destroy(context); + + if (result) { + /*GLint pos;*/ + + slang_info_log_error(infolog, errmsg); /* syntax error (possibly in library code) */ #if 0 { @@ -2551,77 +2669,64 @@ compile_with_grammar(grammar id, const char *source, slang_code_unit * unit, #endif return GL_FALSE; } - slang_string_free(&preprocessed); /* Syntax is okay - translate it to internal representation. */ if (!compile_binary(prod, unit, version, type, infolog, builtin, &builtin[SLANG_BUILTIN_TOTAL - 1], shader)) { - grammar_alloc_free(prod); + free(prod); return GL_FALSE; } - grammar_alloc_free(prod); + free(prod); return GL_TRUE; } -LONGSTRING static const char *slang_shader_syn = -#include "library/slang_shader_syn.h" - ; - -static const byte slang_core_gc[] = { +static const unsigned char slang_core_gc[] = { #include "library/slang_core_gc.h" }; -static const byte slang_120_core_gc[] = { +static const unsigned char slang_120_core_gc[] = { #include "library/slang_120_core_gc.h" }; -static const byte slang_120_fragment_gc[] = { +static const unsigned char slang_120_fragment_gc[] = { #include "library/slang_builtin_120_fragment_gc.h" }; -static const byte slang_common_builtin_gc[] = { +static const unsigned char slang_common_builtin_gc[] = { #include "library/slang_common_builtin_gc.h" }; -static const byte slang_fragment_builtin_gc[] = { +static const unsigned char slang_fragment_builtin_gc[] = { #include "library/slang_fragment_builtin_gc.h" }; -static const byte slang_vertex_builtin_gc[] = { +static const unsigned char slang_vertex_builtin_gc[] = { #include "library/slang_vertex_builtin_gc.h" }; static GLboolean -compile_object(grammar * id, const char *source, slang_code_object * object, - slang_unit_type type, slang_info_log * infolog, +compile_object(const char *source, + slang_code_object *object, + slang_unit_type type, + slang_info_log *infolog, struct gl_shader *shader, - const struct gl_extensions *extensions, struct gl_sl_pragmas *pragmas) { slang_code_unit *builtins = NULL; GLuint base_version = 110; - - /* load GLSL grammar */ - *id = grammar_load_from_text((const byte *) (slang_shader_syn)); - if (*id == 0) { - byte buf[1024]; - int pos; - - grammar_get_last_error(buf, 1024, &pos); - slang_info_log_error(infolog, (const char *) (buf)); - return GL_FALSE; - } + unsigned int shader_type; + unsigned int parsing_builtin; /* set shader type - the syntax is slightly different for different shaders */ - if (type == SLANG_UNIT_FRAGMENT_SHADER - || type == SLANG_UNIT_FRAGMENT_BUILTIN) - grammar_set_reg8(*id, (const byte *) "shader_type", 1); - else - grammar_set_reg8(*id, (const byte *) "shader_type", 2); + if (type == SLANG_UNIT_FRAGMENT_SHADER || type == SLANG_UNIT_FRAGMENT_BUILTIN) { + shader_type = 1; + } else { + shader_type = 2; + } /* enable language extensions */ - grammar_set_reg8(*id, (const byte *) "parsing_builtin", 1); + parsing_builtin = 1; /* if parsing user-specified shader, load built-in library */ if (type == SLANG_UNIT_FRAGMENT_SHADER || type == SLANG_UNIT_VERTEX_SHADER) { @@ -2686,51 +2791,24 @@ compile_object(grammar * id, const char *source, slang_code_object * object, } /* disable language extensions */ -#if NEW_SLANG /* allow-built-ins */ - grammar_set_reg8(*id, (const byte *) "parsing_builtin", 1); -#else - grammar_set_reg8(*id, (const byte *) "parsing_builtin", 0); -#endif + parsing_builtin = 0; + builtins = object->builtin; } /* compile the actual shader - pass-in built-in library for external shader */ - return compile_with_grammar(*id, source, &object->unit, type, infolog, - builtins, shader, extensions, pragmas); + return compile_with_grammar(source, + &object->unit, + type, + infolog, + builtins, + shader, + pragmas, + shader_type, + parsing_builtin); } -static GLboolean -compile_shader(GLcontext *ctx, slang_code_object * object, - slang_unit_type type, slang_info_log * infolog, - struct gl_shader *shader) -{ - GLboolean success; - grammar id = 0; - -#if 0 /* for debug */ - _mesa_printf("********* COMPILE SHADER ***********\n"); - _mesa_printf("%s\n", shader->Source); - _mesa_printf("************************************\n"); -#endif - - assert(shader->Program); - - _slang_code_object_dtr(object); - _slang_code_object_ctr(object); - - success = compile_object(&id, shader->Source, object, type, infolog, shader, - &ctx->Extensions, &shader->Pragmas); - if (id != 0) - grammar_destroy(id); - if (!success) - return GL_FALSE; - - return GL_TRUE; -} - - - GLboolean _slang_compile(GLcontext *ctx, struct gl_shader *shader) { @@ -2771,7 +2849,12 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader) slang_info_log_construct(&info_log); _slang_code_object_ctr(&obj); - success = compile_shader(ctx, &obj, type, &info_log, shader); + success = compile_object(shader->Source, + &obj, + type, + &info_log, + shader, + &shader->Pragmas); /* free shader's prev info log */ if (shader->InfoLog) { |