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Implement GL_EXT_demote_to_helper_invocation

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This commit is contained in:
Jeff Bolz 2019-07-01 09:23:23 -05:00
parent 4162de4bbf
commit ba6170b534
18 changed files with 3618 additions and 3426 deletions
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13
glslang/MachineIndependent/glslang.y
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@ -128,7 +128,7 @@ extern int yylex(YYSTYPE*, TParseContext&);
%token <lex> ATTRIBUTE VARYING
%token <lex> FLOAT16_T FLOAT FLOAT32_T DOUBLE FLOAT64_T
%token <lex> CONST BOOL INT UINT INT64_T UINT64_T INT32_T UINT32_T INT16_T UINT16_T INT8_T UINT8_T
%token <lex> BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT SUBROUTINE
%token <lex> BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT SUBROUTINE DEMOTE
%token <lex> BVEC2 BVEC3 BVEC4
%token <lex> IVEC2 IVEC3 IVEC4
%token <lex> UVEC2 UVEC3 UVEC4
@ -265,7 +265,7 @@ extern int yylex(YYSTYPE*, TParseContext&);
%type <interm.intermNode> declaration external_declaration
%type <interm.intermNode> for_init_statement compound_statement_no_new_scope
%type <interm.nodePair> selection_rest_statement for_rest_statement
%type <interm.intermNode> iteration_statement iteration_statement_nonattributed jump_statement statement_no_new_scope statement_scoped
%type <interm.intermNode> iteration_statement iteration_statement_nonattributed jump_statement statement_no_new_scope statement_scoped demote_statement
%type <interm> single_declaration init_declarator_list
%type <interm> parameter_declaration parameter_declarator parameter_type_specifier
@ -3416,6 +3416,15 @@ simple_statement
| case_label { $$ = $1; }
| iteration_statement { $$ = $1; }
| jump_statement { $$ = $1; }
| demote_statement { $$ = $1; }
;
demote_statement
: DEMOTE SEMICOLON {
parseContext.requireStage($1.loc, EShLangFragment, "demote");
parseContext.requireExtensions($1.loc, 1, &E_GL_EXT_demote_to_helper_invocation, "demote");
$$ = parseContext.intermediate.addBranch(EOpDemote, $1.loc);
}
;
compound_statement