diff options
Diffstat (limited to 'src/glsl')
| -rw-r--r-- | src/glsl/glcpp/glcpp-parse.y | 304 | ||||
| -rw-r--r-- | src/glsl/glcpp/glcpp.h | 7 | ||||
| -rw-r--r-- | src/glsl/glcpp/pp.c | 4 |
3 files changed, 172 insertions, 143 deletions
diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y index e2415213a81..e6b1c220239 100644 --- a/src/glsl/glcpp/glcpp-parse.y +++ b/src/glsl/glcpp/glcpp-parse.y @@ -135,7 +135,7 @@ _glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc); static void _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t version, - const char *ident); + const char *ident, bool explicitly_set); static int glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser); @@ -194,12 +194,15 @@ line: control_line { ralloc_asprintf_rewrite_tail (&parser->output, &parser->output_length, "\n"); } -| HASH_LINE pp_tokens NEWLINE { +| HASH_LINE { + glcpp_parser_resolve_version(parser); + } pp_tokens NEWLINE { + if (parser->skip_stack == NULL || parser->skip_stack->type == SKIP_NO_SKIP) { _glcpp_parser_expand_and_lex_from (parser, - LINE_EXPANDED, $2); + LINE_EXPANDED, $3); } } | text_line { @@ -238,25 +241,35 @@ expanded_line: } ; -control_line: - HASH_DEFINE OBJ_IDENTIFIER replacement_list NEWLINE { - _define_object_macro (parser, & @2, $2, $3); +define: + OBJ_IDENTIFIER replacement_list NEWLINE { + _define_object_macro (parser, & @1, $1, $2); } -| HASH_DEFINE FUNC_IDENTIFIER '(' ')' replacement_list NEWLINE { - _define_function_macro (parser, & @2, $2, NULL, $5); +| FUNC_IDENTIFIER '(' ')' replacement_list NEWLINE { + _define_function_macro (parser, & @1, $1, NULL, $4); } -| HASH_DEFINE FUNC_IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE { - _define_function_macro (parser, & @2, $2, $4, $6); +| FUNC_IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE { + _define_function_macro (parser, & @1, $1, $3, $5); } -| HASH_UNDEF IDENTIFIER NEWLINE { - macro_t *macro = hash_table_find (parser->defines, $2); +; + +control_line: + HASH_DEFINE { + glcpp_parser_resolve_version(parser); + } define +| HASH_UNDEF { + glcpp_parser_resolve_version(parser); + } IDENTIFIER NEWLINE { + macro_t *macro = hash_table_find (parser->defines, $3); if (macro) { - hash_table_remove (parser->defines, $2); + hash_table_remove (parser->defines, $3); ralloc_free (macro); } - ralloc_free ($2); + ralloc_free ($3); } -| HASH_IF conditional_tokens NEWLINE { +| HASH_IF { + glcpp_parser_resolve_version(parser); + } conditional_tokens NEWLINE { /* Be careful to only evaluate the 'if' expression if * we are not skipping. When we are skipping, we * simply push a new 0-valued 'if' onto the skip @@ -268,7 +281,7 @@ control_line: parser->skip_stack->type == SKIP_NO_SKIP) { _glcpp_parser_expand_and_lex_from (parser, - IF_EXPANDED, $2); + IF_EXPANDED, $3); } else { @@ -286,15 +299,19 @@ control_line: } _glcpp_parser_skip_stack_push_if (parser, & @1, 0); } -| HASH_IFDEF IDENTIFIER junk NEWLINE { - macro_t *macro = hash_table_find (parser->defines, $2); - ralloc_free ($2); +| HASH_IFDEF { + glcpp_parser_resolve_version(parser); + } IDENTIFIER junk NEWLINE { + macro_t *macro = hash_table_find (parser->defines, $3); + ralloc_free ($3); _glcpp_parser_skip_stack_push_if (parser, & @1, macro != NULL); } -| HASH_IFNDEF IDENTIFIER junk NEWLINE { - macro_t *macro = hash_table_find (parser->defines, $2); - ralloc_free ($2); - _glcpp_parser_skip_stack_push_if (parser, & @1, macro == NULL); +| HASH_IFNDEF { + glcpp_parser_resolve_version(parser); + } IDENTIFIER junk NEWLINE { + macro_t *macro = hash_table_find (parser->defines, $3); + ralloc_free ($3); + _glcpp_parser_skip_stack_push_if (parser, & @2, macro == NULL); } | HASH_ELIF conditional_tokens NEWLINE { /* Be careful to only evaluate the 'elif' expression @@ -358,12 +375,14 @@ control_line: _glcpp_parser_skip_stack_pop (parser, & @1); } NEWLINE | HASH_VERSION integer_constant NEWLINE { - _glcpp_parser_handle_version_declaration(parser, $2, NULL); + _glcpp_parser_handle_version_declaration(parser, $2, NULL, true); } | HASH_VERSION integer_constant IDENTIFIER NEWLINE { - _glcpp_parser_handle_version_declaration(parser, $2, $3); + _glcpp_parser_handle_version_declaration(parser, $2, $3, true); + } +| HASH NEWLINE { + glcpp_parser_resolve_version(parser); } -| HASH NEWLINE ; integer_constant: @@ -1168,10 +1187,9 @@ static void add_builtin_define(glcpp_parser_t *parser, } glcpp_parser_t * -glcpp_parser_create (const struct gl_extensions *extensions, int api) +glcpp_parser_create (const struct gl_extensions *extensions) { glcpp_parser_t *parser; - int language_version; parser = ralloc (NULL, glcpp_parser_t); @@ -1197,105 +1215,14 @@ glcpp_parser_create (const struct gl_extensions *extensions, int api) parser->info_log_length = 0; parser->error = 0; + parser->extensions = extensions; + parser->version_resolved = false; + parser->has_new_line_number = 0; parser->new_line_number = 1; parser->has_new_source_number = 0; parser->new_source_number = 0; - parser->is_gles = false; - - /* Add pre-defined macros. */ - if (api == API_OPENGLES2) { - parser->is_gles = true; - add_builtin_define(parser, "GL_ES", 1); - - if (extensions != NULL) { - if (extensions->OES_EGL_image_external) - add_builtin_define(parser, "GL_OES_EGL_image_external", 1); - } - } else { - add_builtin_define(parser, "GL_ARB_draw_buffers", 1); - add_builtin_define(parser, "GL_ARB_texture_rectangle", 1); - - if (extensions != NULL) { - if (extensions->EXT_texture_array) { - add_builtin_define(parser, "GL_EXT_texture_array", 1); - } - - if (extensions->ARB_arrays_of_arrays) - add_builtin_define(parser, "GL_ARB_arrays_of_arrays", 1); - - if (extensions->ARB_fragment_coord_conventions) - add_builtin_define(parser, "GL_ARB_fragment_coord_conventions", - 1); - - if (extensions->ARB_explicit_attrib_location) - add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1); - - if (extensions->ARB_shader_texture_lod) - add_builtin_define(parser, "GL_ARB_shader_texture_lod", 1); - - if (extensions->ARB_draw_instanced) - add_builtin_define(parser, "GL_ARB_draw_instanced", 1); - - if (extensions->ARB_conservative_depth) { - add_builtin_define(parser, "GL_AMD_conservative_depth", 1); - add_builtin_define(parser, "GL_ARB_conservative_depth", 1); - } - - if (extensions->ARB_shader_bit_encoding) - add_builtin_define(parser, "GL_ARB_shader_bit_encoding", 1); - - if (extensions->ARB_uniform_buffer_object) - add_builtin_define(parser, "GL_ARB_uniform_buffer_object", 1); - - if (extensions->ARB_texture_cube_map_array) - add_builtin_define(parser, "GL_ARB_texture_cube_map_array", 1); - - if (extensions->ARB_shading_language_packing) - add_builtin_define(parser, "GL_ARB_shading_language_packing", 1); - - if (extensions->ARB_texture_multisample) - add_builtin_define(parser, "GL_ARB_texture_multisample", 1); - - if (extensions->ARB_texture_query_levels) - add_builtin_define(parser, "GL_ARB_texture_query_levels", 1); - - if (extensions->ARB_texture_query_lod) - add_builtin_define(parser, "GL_ARB_texture_query_lod", 1); - - if (extensions->ARB_gpu_shader5) - add_builtin_define(parser, "GL_ARB_gpu_shader5", 1); - - if (extensions->AMD_vertex_shader_layer) - add_builtin_define(parser, "GL_AMD_vertex_shader_layer", 1); - - if (extensions->ARB_shading_language_420pack) - add_builtin_define(parser, "GL_ARB_shading_language_420pack", 1); - - if (extensions->ARB_sample_shading) - add_builtin_define(parser, "GL_ARB_sample_shading", 1); - - if (extensions->EXT_shader_integer_mix) - add_builtin_define(parser, "GL_EXT_shader_integer_mix", 1); - - if (extensions->ARB_texture_gather) - add_builtin_define(parser, "GL_ARB_texture_gather", 1); - - if (extensions->ARB_shader_atomic_counters) - add_builtin_define(parser, "GL_ARB_shader_atomic_counters", 1); - - if (extensions->AMD_shader_trinary_minmax) - add_builtin_define(parser, "GL_AMD_shader_trinary_minmax", 1); - - if (extensions->ARB_viewport_array) - add_builtin_define(parser, "GL_ARB_viewport_array", 1); - } - } - - language_version = 110; - add_builtin_define(parser, "__VERSION__", language_version); - return parser; } @@ -2093,24 +2020,104 @@ _glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc) static void _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t version, - const char *es_identifier) + const char *es_identifier, + bool explicitly_set) { - macro_t *macro = hash_table_find (parser->defines, "__VERSION__"); - if (macro) { - hash_table_remove (parser->defines, "__VERSION__"); - ralloc_free (macro); - } + const struct gl_extensions *extensions = parser->extensions; + + parser->version_resolved = true; + add_builtin_define (parser, "__VERSION__", version); - /* If we didn't have a GLES context to begin with, (indicated - * by parser->api), then the version declaration here might - * indicate GLES. */ - if (! parser->is_gles && - (version == 100 || - (es_identifier && (strcmp(es_identifier, "es") == 0)))) - { - parser->is_gles = true; - add_builtin_define (parser, "GL_ES", 1); + parser->is_gles = (version == 100) || + (es_identifier && + (strcmp(es_identifier, "es") == 0)); + + /* Add pre-defined macros. */ + if (parser->is_gles) { + add_builtin_define(parser, "GL_ES", 1); + + if (extensions != NULL) { + if (extensions->OES_EGL_image_external) + add_builtin_define(parser, "GL_OES_EGL_image_external", 1); + } + } else { + add_builtin_define(parser, "GL_ARB_draw_buffers", 1); + add_builtin_define(parser, "GL_ARB_texture_rectangle", 1); + + if (extensions != NULL) { + if (extensions->EXT_texture_array) + add_builtin_define(parser, "GL_EXT_texture_array", 1); + + if (extensions->ARB_arrays_of_arrays) + add_builtin_define(parser, "GL_ARB_arrays_of_arrays", 1); + + if (extensions->ARB_fragment_coord_conventions) + add_builtin_define(parser, "GL_ARB_fragment_coord_conventions", + 1); + + if (extensions->ARB_explicit_attrib_location) + add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1); + + if (extensions->ARB_shader_texture_lod) + add_builtin_define(parser, "GL_ARB_shader_texture_lod", 1); + + if (extensions->ARB_draw_instanced) + add_builtin_define(parser, "GL_ARB_draw_instanced", 1); + + if (extensions->ARB_conservative_depth) { + add_builtin_define(parser, "GL_AMD_conservative_depth", 1); + add_builtin_define(parser, "GL_ARB_conservative_depth", 1); + } + + if (extensions->ARB_shader_bit_encoding) + add_builtin_define(parser, "GL_ARB_shader_bit_encoding", 1); + + if (extensions->ARB_uniform_buffer_object) + add_builtin_define(parser, "GL_ARB_uniform_buffer_object", 1); + + if (extensions->ARB_texture_cube_map_array) + add_builtin_define(parser, "GL_ARB_texture_cube_map_array", 1); + + if (extensions->ARB_shading_language_packing) + add_builtin_define(parser, "GL_ARB_shading_language_packing", 1); + + if (extensions->ARB_texture_multisample) + add_builtin_define(parser, "GL_ARB_texture_multisample", 1); + + if (extensions->ARB_texture_query_levels) + add_builtin_define(parser, "GL_ARB_texture_query_levels", 1); + + if (extensions->ARB_texture_query_lod) + add_builtin_define(parser, "GL_ARB_texture_query_lod", 1); + + if (extensions->ARB_gpu_shader5) + add_builtin_define(parser, "GL_ARB_gpu_shader5", 1); + + if (extensions->AMD_vertex_shader_layer) + add_builtin_define(parser, "GL_AMD_vertex_shader_layer", 1); + + if (extensions->ARB_shading_language_420pack) + add_builtin_define(parser, "GL_ARB_shading_language_420pack", 1); + + if (extensions->ARB_sample_shading) + add_builtin_define(parser, "GL_ARB_sample_shading", 1); + + if (extensions->EXT_shader_integer_mix) + add_builtin_define(parser, "GL_EXT_shader_integer_mix", 1); + + if (extensions->ARB_texture_gather) + add_builtin_define(parser, "GL_ARB_texture_gather", 1); + + if (extensions->ARB_shader_atomic_counters) + add_builtin_define(parser, "GL_ARB_shader_atomic_counters", 1); + + if (extensions->AMD_shader_trinary_minmax) + add_builtin_define(parser, "GL_AMD_shader_trinary_minmax", 1); + + if (extensions->ARB_viewport_array) + add_builtin_define(parser, "GL_ARB_viewport_array", 1); + } } if (version >= 150) @@ -2124,8 +2131,23 @@ _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t versio if (version >= 130 || parser->is_gles) add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1); - ralloc_asprintf_rewrite_tail (&parser->output, &parser->output_length, - "#version %" PRIiMAX "%s%s", version, - es_identifier ? " " : "", - es_identifier ? es_identifier : ""); + if (explicitly_set) { + ralloc_asprintf_rewrite_tail (&parser->output, &parser->output_length, + "#version %" PRIiMAX "%s%s", version, + es_identifier ? " " : "", + es_identifier ? es_identifier : ""); + } +} + +/* GLSL version is no version is explicitly specified. */ +#define IMPLICIT_GLSL_VERSION 110 + +void +glcpp_parser_resolve_version(glcpp_parser_t *parser) +{ + if (parser->version_resolved) + return; + + _glcpp_parser_handle_version_declaration(parser, IMPLICIT_GLSL_VERSION, + NULL, false); } diff --git a/src/glsl/glcpp/glcpp.h b/src/glsl/glcpp/glcpp.h index 85f3fdcd2cd..4aa200a635d 100644 --- a/src/glsl/glcpp/glcpp.h +++ b/src/glsl/glcpp/glcpp.h @@ -182,6 +182,8 @@ struct glcpp_parser { size_t output_length; size_t info_log_length; int error; + const struct gl_extensions *extensions; + bool version_resolved; bool has_new_line_number; int new_line_number; bool has_new_source_number; @@ -192,7 +194,7 @@ struct glcpp_parser { struct gl_extensions; glcpp_parser_t * -glcpp_parser_create (const struct gl_extensions *extensions, int api); +glcpp_parser_create (const struct gl_extensions *extensions); int glcpp_parser_parse (glcpp_parser_t *parser); @@ -200,6 +202,9 @@ glcpp_parser_parse (glcpp_parser_t *parser); void glcpp_parser_destroy (glcpp_parser_t *parser); +void +glcpp_parser_resolve_version(glcpp_parser_t *parser); + int glcpp_preprocess(void *ralloc_ctx, const char **shader, char **info_log, const struct gl_extensions *extensions, struct gl_context *g_ctx); diff --git a/src/glsl/glcpp/pp.c b/src/glsl/glcpp/pp.c index 7e1b6c68966..637a58f9cc3 100644 --- a/src/glsl/glcpp/pp.c +++ b/src/glsl/glcpp/pp.c @@ -139,7 +139,7 @@ glcpp_preprocess(void *ralloc_ctx, const char **shader, char **info_log, const struct gl_extensions *extensions, struct gl_context *gl_ctx) { int errors; - glcpp_parser_t *parser = glcpp_parser_create (extensions, gl_ctx->API); + glcpp_parser_t *parser = glcpp_parser_create (extensions); if (! gl_ctx->Const.DisableGLSLLineContinuations) *shader = remove_line_continuations(parser, *shader); @@ -151,6 +151,8 @@ glcpp_preprocess(void *ralloc_ctx, const char **shader, char **info_log, if (parser->skip_stack) glcpp_error (&parser->skip_stack->loc, parser, "Unterminated #if\n"); + glcpp_parser_resolve_version(parser); + ralloc_strcat(info_log, parser->info_log); ralloc_steal(ralloc_ctx, parser->output); |