#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#ifndef _MSC_VER
+#include <strings.h>
+#endif
#include <assert.h>
#include "ast.h"
#include "glsl_types.h"
#include "main/context.h"
+#ifdef _MSC_VER
+#pragma warning( disable : 4065 ) // switch statement contains 'default' but no 'case' labels
+#endif
+
#undef yyerror
static void yyerror(YYLTYPE *loc, _mesa_glsl_parse_state *st, const char *msg)
*/
if (state->es_shader)
return strcmp(s1, s2);
- else {
-#if defined(_MSC_VER)
- /* MSVC doesn't have a strcasecmp() function; instead it has _stricmp. */
- return _stricmp(s1, s2);
-#else
+ else
return strcasecmp(s1, s2);
-#endif
- }
}
%}
%union {
int n;
float real;
+ double dreal;
const char *identifier;
struct ast_type_qualifier type_qualifier;
ast_node *node;
ast_type_specifier *type_specifier;
+ ast_array_specifier *array_specifier;
ast_fully_specified_type *fully_specified_type;
ast_function *function;
ast_parameter_declarator *parameter_declarator;
ast_case_statement *case_statement;
ast_case_statement_list *case_statement_list;
ast_interface_block *interface_block;
-
+ ast_subroutine_list *subroutine_list;
struct {
ast_node *cond;
ast_expression *rest;
} selection_rest_statement;
}
-%token ATTRIBUTE CONST_TOK BOOL_TOK FLOAT_TOK INT_TOK UINT_TOK
-%token BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT
-%token BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 UVEC2 UVEC3 UVEC4 VEC2 VEC3 VEC4
-%token CENTROID IN_TOK OUT_TOK INOUT_TOK UNIFORM VARYING
+%token ATTRIBUTE CONST_TOK BOOL_TOK FLOAT_TOK INT_TOK UINT_TOK DOUBLE_TOK
+%token BREAK BUFFER CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT
+%token BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 UVEC2 UVEC3 UVEC4 VEC2 VEC3 VEC4 DVEC2 DVEC3 DVEC4
+%token CENTROID IN_TOK OUT_TOK INOUT_TOK UNIFORM VARYING SAMPLE
%token NOPERSPECTIVE FLAT SMOOTH
%token MAT2X2 MAT2X3 MAT2X4
%token MAT3X2 MAT3X3 MAT3X4
%token MAT4X2 MAT4X3 MAT4X4
+%token DMAT2X2 DMAT2X3 DMAT2X4
+%token DMAT3X2 DMAT3X3 DMAT3X4
+%token DMAT4X2 DMAT4X3 DMAT4X4
%token SAMPLER1D SAMPLER2D SAMPLER3D SAMPLERCUBE SAMPLER1DSHADOW SAMPLER2DSHADOW
%token SAMPLERCUBESHADOW SAMPLER1DARRAY SAMPLER2DARRAY SAMPLER1DARRAYSHADOW
%token SAMPLER2DARRAYSHADOW SAMPLERCUBEARRAY SAMPLERCUBEARRAYSHADOW
%token SAMPLER2DMS ISAMPLER2DMS USAMPLER2DMS
%token SAMPLER2DMSARRAY ISAMPLER2DMSARRAY USAMPLER2DMSARRAY
%token SAMPLEREXTERNALOES
+%token IMAGE1D IMAGE2D IMAGE3D IMAGE2DRECT IMAGECUBE IMAGEBUFFER
+%token IMAGE1DARRAY IMAGE2DARRAY IMAGECUBEARRAY IMAGE2DMS IMAGE2DMSARRAY
+%token IIMAGE1D IIMAGE2D IIMAGE3D IIMAGE2DRECT IIMAGECUBE IIMAGEBUFFER
+%token IIMAGE1DARRAY IIMAGE2DARRAY IIMAGECUBEARRAY IIMAGE2DMS IIMAGE2DMSARRAY
+%token UIMAGE1D UIMAGE2D UIMAGE3D UIMAGE2DRECT UIMAGECUBE UIMAGEBUFFER
+%token UIMAGE1DARRAY UIMAGE2DARRAY UIMAGECUBEARRAY UIMAGE2DMS UIMAGE2DMSARRAY
+%token IMAGE1DSHADOW IMAGE2DSHADOW IMAGE1DARRAYSHADOW IMAGE2DARRAYSHADOW
+%token COHERENT VOLATILE RESTRICT READONLY WRITEONLY
+%token ATOMIC_UINT
%token STRUCT VOID_TOK WHILE
%token <identifier> IDENTIFIER TYPE_IDENTIFIER NEW_IDENTIFIER
%type <identifier> any_identifier
%type <interface_block> instance_name_opt
%token <real> FLOATCONSTANT
+%token <dreal> DOUBLECONSTANT
%token <n> INTCONSTANT UINTCONSTANT BOOLCONSTANT
%token <identifier> FIELD_SELECTION
%token LEFT_OP RIGHT_OP
%token AND_OP OR_OP XOR_OP MUL_ASSIGN DIV_ASSIGN ADD_ASSIGN
%token MOD_ASSIGN LEFT_ASSIGN RIGHT_ASSIGN AND_ASSIGN XOR_ASSIGN OR_ASSIGN
%token SUB_ASSIGN
-%token INVARIANT
+%token INVARIANT PRECISE
%token LOWP MEDIUMP HIGHP SUPERP PRECISION
%token VERSION_TOK EXTENSION LINE COLON EOL INTERFACE OUTPUT
%token PRAGMA_OPTIMIZE_ON PRAGMA_OPTIMIZE_OFF
%token PRAGMA_INVARIANT_ALL
%token LAYOUT_TOK
-
+%token DOT_TOK
/* Reserved words that are not actually used in the grammar.
*/
%token ASM CLASS UNION ENUM TYPEDEF TEMPLATE THIS PACKED_TOK GOTO
-%token INLINE_TOK NOINLINE VOLATILE PUBLIC_TOK STATIC EXTERN EXTERNAL
-%token LONG_TOK SHORT_TOK DOUBLE_TOK HALF FIXED_TOK UNSIGNED INPUT_TOK OUPTUT
-%token HVEC2 HVEC3 HVEC4 DVEC2 DVEC3 DVEC4 FVEC2 FVEC3 FVEC4
+%token INLINE_TOK NOINLINE PUBLIC_TOK STATIC EXTERN EXTERNAL
+%token LONG_TOK SHORT_TOK HALF FIXED_TOK UNSIGNED INPUT_TOK
+%token HVEC2 HVEC3 HVEC4 FVEC2 FVEC3 FVEC4
%token SAMPLER3DRECT
%token SIZEOF CAST NAMESPACE USING
-%token COHERENT RESTRICT READONLY WRITEONLY RESOURCE ATOMIC_UINT PATCH SAMPLE
+%token RESOURCE PATCH
%token SUBROUTINE
%token ERROR_TOK
-%token COMMON PARTITION ACTIVE FILTER
-%token IMAGE1D IMAGE2D IMAGE3D IMAGECUBE IMAGE1DARRAY IMAGE2DARRAY
-%token IIMAGE1D IIMAGE2D IIMAGE3D IIMAGECUBE IIMAGE1DARRAY IIMAGE2DARRAY
-%token UIMAGE1D UIMAGE2D UIMAGE3D UIMAGECUBE UIMAGE1DARRAY UIMAGE2DARRAY
-%token IMAGE1DSHADOW IMAGE2DSHADOW IMAGEBUFFER IIMAGEBUFFER UIMAGEBUFFER
-%token IMAGE1DARRAYSHADOW IMAGE2DARRAYSHADOW
-%token ROW_MAJOR
+%token COMMON PARTITION ACTIVE FILTER ROW_MAJOR
%type <identifier> variable_identifier
%type <node> statement
%type <type_qualifier> layout_qualifier
%type <type_qualifier> layout_qualifier_id_list layout_qualifier_id
%type <type_qualifier> interface_block_layout_qualifier
+%type <type_qualifier> memory_qualifier
+%type <type_qualifier> subroutine_qualifier
+%type <subroutine_list> subroutine_type_list
%type <type_qualifier> interface_qualifier
%type <type_specifier> type_specifier
%type <type_specifier> type_specifier_nonarray
+%type <array_specifier> array_specifier
%type <identifier> basic_type_specifier_nonarray
%type <fully_specified_type> fully_specified_type
%type <function> function_prototype
%type <expression> function_call_generic
%type <expression> function_call_or_method
%type <expression> function_call
-%type <expression> method_call_generic
-%type <expression> method_call_header_with_parameters
-%type <expression> method_call_header_no_parameters
-%type <expression> method_call_header
%type <n> assignment_operator
%type <n> unary_operator
%type <expression> function_identifier
| PRAGMA_OPTIMIZE_OFF EOL
| PRAGMA_INVARIANT_ALL EOL
{
- if (!state->is_version(120, 100)) {
+ /* Pragma invariant(all) cannot be used in a fragment shader.
+ *
+ * Page 27 of the GLSL 1.20 spec, Page 53 of the GLSL ES 3.00 spec:
+ *
+ * "It is an error to use this pragma in a fragment shader."
+ */
+ if (state->is_version(120, 300) &&
+ state->stage == MESA_SHADER_FRAGMENT) {
+ _mesa_glsl_error(& @1, state,
+ "pragma `invariant(all)' cannot be used "
+ "in a fragment shader.");
+ } else if (!state->is_version(120, 100)) {
_mesa_glsl_warning(& @1, state,
"pragma `invariant(all)' not supported in %s "
"(GLSL ES 1.00 or GLSL 1.20 required)",
if ($2 != NULL)
state->translation_unit.push_tail(& $2->link);
}
+ | external_declaration_list extension_statement {
+ if (!state->allow_extension_directive_midshader) {
+ _mesa_glsl_error(& @2, state,
+ "#extension directive is not allowed "
+ "in the middle of a shader");
+ YYERROR;
+ }
+ }
;
variable_identifier:
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_identifier, NULL, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
$$->primary_expression.identifier = $1;
}
| INTCONSTANT
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_int_constant, NULL, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
$$->primary_expression.int_constant = $1;
}
| UINTCONSTANT
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_uint_constant, NULL, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
$$->primary_expression.uint_constant = $1;
}
| FLOATCONSTANT
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_float_constant, NULL, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
$$->primary_expression.float_constant = $1;
}
+ | DOUBLECONSTANT
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_expression(ast_double_constant, NULL, NULL, NULL);
+ $$->set_location(@1);
+ $$->primary_expression.double_constant = $1;
+ }
| BOOLCONSTANT
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_bool_constant, NULL, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
$$->primary_expression.bool_constant = $1;
}
| '(' expression ')'
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_array_index, $1, $3, NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @4);
}
| function_call
{
$$ = $1;
}
- | postfix_expression '.' any_identifier
+ | postfix_expression DOT_TOK FIELD_SELECTION
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_field_selection, $1, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
$$->primary_expression.identifier = $3;
}
| postfix_expression INC_OP
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_post_inc, $1, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
}
| postfix_expression DEC_OP
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_post_dec, $1, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
}
;
function_call_or_method:
function_call_generic
- | postfix_expression '.' method_call_generic
- {
- void *ctx = state;
- $$ = new(ctx) ast_expression(ast_field_selection, $1, $3, NULL);
- $$->set_location(yylloc);
- }
;
function_call_generic:
function_call_header assignment_expression
{
$$ = $1;
- $$->set_location(yylloc);
+ $$->set_location(@1);
$$->expressions.push_tail(& $2->link);
}
| function_call_header_with_parameters ',' assignment_expression
{
$$ = $1;
- $$->set_location(yylloc);
+ $$->set_location(@1);
$$->expressions.push_tail(& $3->link);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_function_expression($1);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
- | variable_identifier
+ | postfix_expression
{
void *ctx = state;
- ast_expression *callee = new(ctx) ast_expression($1);
- $$ = new(ctx) ast_function_expression(callee);
- $$->set_location(yylloc);
- }
- | FIELD_SELECTION
- {
- void *ctx = state;
- ast_expression *callee = new(ctx) ast_expression($1);
- $$ = new(ctx) ast_function_expression(callee);
- $$->set_location(yylloc);
+ $$ = new(ctx) ast_function_expression($1);
+ $$->set_location(@1);
}
;
-method_call_generic:
- method_call_header_with_parameters ')'
- | method_call_header_no_parameters ')'
- ;
-
-method_call_header_no_parameters:
- method_call_header VOID_TOK
- | method_call_header
- ;
-
-method_call_header_with_parameters:
- method_call_header assignment_expression
- {
- $$ = $1;
- $$->set_location(yylloc);
- $$->expressions.push_tail(& $2->link);
- }
- | method_call_header_with_parameters ',' assignment_expression
- {
- $$ = $1;
- $$->set_location(yylloc);
- $$->expressions.push_tail(& $3->link);
- }
- ;
-
// Grammar Note: Constructors look like methods, but lexical
// analysis recognized most of them as keywords. They are now
// recognized through "type_specifier".
-method_call_header:
- variable_identifier '('
- {
- void *ctx = state;
- ast_expression *callee = new(ctx) ast_expression($1);
- $$ = new(ctx) ast_function_expression(callee);
- $$->set_location(yylloc);
- }
- ;
// Grammar Note: No traditional style type casts.
unary_expression:
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_pre_inc, $2, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| DEC_OP unary_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_pre_dec, $2, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| unary_operator unary_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression($1, $2, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_mul, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
| multiplicative_expression '/' unary_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_div, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
| multiplicative_expression '%' unary_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_mod, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_add, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
| additive_expression '-' multiplicative_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_sub, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_lshift, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
| shift_expression RIGHT_OP additive_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_rshift, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_less, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
| relational_expression '>' shift_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_greater, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
| relational_expression LE_OP shift_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_lequal, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
| relational_expression GE_OP shift_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_gequal, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_equal, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
| equality_expression NE_OP relational_expression
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_nequal, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_bit_and, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_bit_xor, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_bit_or, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_logic_and, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_logic_xor, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_bin(ast_logic_or, $1, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression(ast_conditional, $1, $3, $5);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @5);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression($2, $1, $3, NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
void *ctx = state;
if ($1->oper != ast_sequence) {
$$ = new(ctx) ast_expression(ast_sequence, NULL, NULL, NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
$$->expressions.push_tail(& $1->link);
} else {
$$ = $1;
{
void *ctx = state;
$$ = new(ctx) ast_function();
- $$->set_location(yylloc);
+ $$->set_location(@2);
$$->return_type = $1;
$$->identifier = $2;
- state->symbols->add_function(new(state) ir_function($2));
+ if ($1->qualifier.flags.q.subroutine) {
+ /* add type for IDENTIFIER search */
+ state->symbols->add_type($2, glsl_type::get_subroutine_instance($2));
+ } else
+ state->symbols->add_function(new(state) ir_function($2));
state->symbols->push_scope();
}
;
{
void *ctx = state;
$$ = new(ctx) ast_parameter_declarator();
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
$$->type = new(ctx) ast_fully_specified_type();
- $$->type->set_location(yylloc);
+ $$->type->set_location(@1);
$$->type->specifier = $1;
$$->identifier = $2;
}
- | type_specifier any_identifier '[' constant_expression ']'
+ | type_specifier any_identifier array_specifier
{
void *ctx = state;
$$ = new(ctx) ast_parameter_declarator();
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
$$->type = new(ctx) ast_fully_specified_type();
- $$->type->set_location(yylloc);
+ $$->type->set_location(@1);
$$->type->specifier = $1;
$$->identifier = $2;
- $$->is_array = true;
- $$->array_size = $4;
+ $$->array_specifier = $3;
}
;
{
void *ctx = state;
$$ = new(ctx) ast_parameter_declarator();
- $$->set_location(yylloc);
+ $$->set_location(@2);
$$->type = new(ctx) ast_fully_specified_type();
+ $$->type->set_location_range(@1, @2);
$$->type->qualifier = $1;
$$->type->specifier = $2;
}
$$ = $2;
$$.flags.q.constant = 1;
}
+ | PRECISE parameter_qualifier
+ {
+ if ($2.flags.q.precise)
+ _mesa_glsl_error(&@1, state, "duplicate precise qualifier");
+
+ $$ = $2;
+ $$.flags.q.precise = 1;
+ }
| parameter_direction_qualifier parameter_qualifier
{
if (($1.flags.q.in || $1.flags.q.out) && ($2.flags.q.in || $2.flags.q.out))
_mesa_glsl_error(&@1, state, "duplicate in/out/inout qualifier");
- if (!state->ARB_shading_language_420pack_enable && $2.flags.q.constant)
- _mesa_glsl_error(&@1, state, "const must be specified before "
- "in/out/inout");
+ if (!state->has_420pack() && $2.flags.q.constant)
+ _mesa_glsl_error(&@1, state, "in/out/inout must come after const "
+ "or precise");
$$ = $1;
$$.merge_qualifier(&@1, state, $2);
if ($2.precision != ast_precision_none)
_mesa_glsl_error(&@1, state, "duplicate precision qualifier");
- if (!state->ARB_shading_language_420pack_enable && $2.flags.i != 0)
+ if (!state->has_420pack() && $2.flags.i != 0)
_mesa_glsl_error(&@1, state, "precision qualifiers must come last");
$$ = $2;
$$.precision = $1;
}
+ | memory_qualifier parameter_qualifier
+ {
+ $$ = $1;
+ $$.merge_qualifier(&@1, state, $2);
+ }
parameter_direction_qualifier:
IN_TOK
| init_declarator_list ',' any_identifier
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, NULL);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- }
- | init_declarator_list ',' any_identifier '[' ']'
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, NULL);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- }
- | init_declarator_list ',' any_identifier '[' constant_expression ']'
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, NULL);
- decl->set_location(yylloc);
+ ast_declaration *decl = new(ctx) ast_declaration($3, NULL, NULL);
+ decl->set_location(@3);
$$ = $1;
$$->declarations.push_tail(&decl->link);
state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
}
- | init_declarator_list ',' any_identifier '[' ']' '=' initializer
+ | init_declarator_list ',' any_identifier array_specifier
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, $7);
- decl->set_location(yylloc);
+ ast_declaration *decl = new(ctx) ast_declaration($3, $4, NULL);
+ decl->set_location_range(@3, @4);
$$ = $1;
$$->declarations.push_tail(&decl->link);
state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- if ($7->oper == ast_aggregate) {
- ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7;
- ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, NULL);
- _mesa_ast_set_aggregate_type(type, ai, state);
- }
}
- | init_declarator_list ',' any_identifier '[' constant_expression ']' '=' initializer
+ | init_declarator_list ',' any_identifier array_specifier '=' initializer
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, $8);
- decl->set_location(yylloc);
+ ast_declaration *decl = new(ctx) ast_declaration($3, $4, $6);
+ decl->set_location_range(@3, @4);
$$ = $1;
$$->declarations.push_tail(&decl->link);
state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- if ($8->oper == ast_aggregate) {
- ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$8;
- ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, $5);
- _mesa_ast_set_aggregate_type(type, ai, state);
- }
}
| init_declarator_list ',' any_identifier '=' initializer
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, $5);
- decl->set_location(yylloc);
+ ast_declaration *decl = new(ctx) ast_declaration($3, NULL, $5);
+ decl->set_location(@3);
$$ = $1;
$$->declarations.push_tail(&decl->link);
state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- if ($5->oper == ast_aggregate) {
- ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$5;
- _mesa_ast_set_aggregate_type($1->type->specifier, ai, state);
- }
}
;
void *ctx = state;
/* Empty declaration list is valid. */
$$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| fully_specified_type any_identifier
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL);
+ ast_declaration *decl = new(ctx) ast_declaration($2, NULL, NULL);
+ decl->set_location(@2);
$$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
$$->declarations.push_tail(&decl->link);
}
- | fully_specified_type any_identifier '[' ']'
+ | fully_specified_type any_identifier array_specifier
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, NULL);
+ ast_declaration *decl = new(ctx) ast_declaration($2, $3, NULL);
+ decl->set_location_range(@2, @3);
$$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
$$->declarations.push_tail(&decl->link);
}
- | fully_specified_type any_identifier '[' constant_expression ']'
+ | fully_specified_type any_identifier array_specifier '=' initializer
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, NULL);
+ ast_declaration *decl = new(ctx) ast_declaration($2, $3, $5);
+ decl->set_location_range(@2, @3);
$$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
$$->declarations.push_tail(&decl->link);
}
- | fully_specified_type any_identifier '[' ']' '=' initializer
+ | fully_specified_type any_identifier '=' initializer
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, $6);
+ ast_declaration *decl = new(ctx) ast_declaration($2, NULL, $4);
+ decl->set_location(@2);
$$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
$$->declarations.push_tail(&decl->link);
- if ($6->oper == ast_aggregate) {
- ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$6;
- ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, NULL);
- _mesa_ast_set_aggregate_type(type, ai, state);
- }
}
- | fully_specified_type any_identifier '[' constant_expression ']' '=' initializer
+ | INVARIANT variable_identifier
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, $7);
+ ast_declaration *decl = new(ctx) ast_declaration($2, NULL, NULL);
+ decl->set_location(@2);
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- $$->declarations.push_tail(&decl->link);
- if ($7->oper == ast_aggregate) {
- ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7;
- ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, $4);
- _mesa_ast_set_aggregate_type(type, ai, state);
- }
- }
- | fully_specified_type any_identifier '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4);
+ $$ = new(ctx) ast_declarator_list(NULL);
+ $$->set_location_range(@1, @2);
+ $$->invariant = true;
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
$$->declarations.push_tail(&decl->link);
- if ($4->oper == ast_aggregate) {
- _mesa_ast_set_aggregate_type($1->specifier, $4, state);
- }
}
- | INVARIANT variable_identifier // Vertex only.
+ | PRECISE variable_identifier
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL);
+ ast_declaration *decl = new(ctx) ast_declaration($2, NULL, NULL);
+ decl->set_location(@2);
$$ = new(ctx) ast_declarator_list(NULL);
- $$->set_location(yylloc);
- $$->invariant = true;
+ $$->set_location_range(@1, @2);
+ $$->precise = true;
$$->declarations.push_tail(&decl->link);
}
{
void *ctx = state;
$$ = new(ctx) ast_fully_specified_type();
- $$->set_location(yylloc);
+ $$->set_location(@1);
$$->specifier = $1;
}
| type_qualifier type_specifier
{
void *ctx = state;
$$ = new(ctx) ast_fully_specified_type();
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
$$->qualifier = $1;
$$->specifier = $2;
}
/* Layout qualifiers for AMD/ARB_conservative_depth. */
if (!$$.flags.i &&
(state->AMD_conservative_depth_enable ||
- state->ARB_conservative_depth_enable)) {
+ state->ARB_conservative_depth_enable ||
+ state->is_version(420, 0))) {
if (match_layout_qualifier($1, "depth_any", state) == 0) {
$$.flags.q.depth_any = 1;
} else if (match_layout_qualifier($1, "depth_greater", state) == 0) {
/* Layout qualifiers for GLSL 1.50 geometry shaders. */
if (!$$.flags.i) {
- struct {
+ static const struct {
const char *s;
GLenum e;
} map[] = {
{ "triangles_adjacency", GL_TRIANGLES_ADJACENCY },
{ "triangle_strip", GL_TRIANGLE_STRIP },
};
- for (unsigned i = 0; i < Elements(map); i++) {
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++) {
if (match_layout_qualifier($1, map[i].s, state) == 0) {
$$.flags.q.prim_type = 1;
$$.prim_type = map[i].e;
}
}
+ /* Layout qualifiers for ARB_shader_image_load_store. */
+ if (state->ARB_shader_image_load_store_enable ||
+ state->is_version(420, 0)) {
+ if (!$$.flags.i) {
+ static const struct {
+ const char *name;
+ GLenum format;
+ glsl_base_type base_type;
+ } map[] = {
+ { "rgba32f", GL_RGBA32F, GLSL_TYPE_FLOAT },
+ { "rgba16f", GL_RGBA16F, GLSL_TYPE_FLOAT },
+ { "rg32f", GL_RG32F, GLSL_TYPE_FLOAT },
+ { "rg16f", GL_RG16F, GLSL_TYPE_FLOAT },
+ { "r11f_g11f_b10f", GL_R11F_G11F_B10F, GLSL_TYPE_FLOAT },
+ { "r32f", GL_R32F, GLSL_TYPE_FLOAT },
+ { "r16f", GL_R16F, GLSL_TYPE_FLOAT },
+ { "rgba32ui", GL_RGBA32UI, GLSL_TYPE_UINT },
+ { "rgba16ui", GL_RGBA16UI, GLSL_TYPE_UINT },
+ { "rgb10_a2ui", GL_RGB10_A2UI, GLSL_TYPE_UINT },
+ { "rgba8ui", GL_RGBA8UI, GLSL_TYPE_UINT },
+ { "rg32ui", GL_RG32UI, GLSL_TYPE_UINT },
+ { "rg16ui", GL_RG16UI, GLSL_TYPE_UINT },
+ { "rg8ui", GL_RG8UI, GLSL_TYPE_UINT },
+ { "r32ui", GL_R32UI, GLSL_TYPE_UINT },
+ { "r16ui", GL_R16UI, GLSL_TYPE_UINT },
+ { "r8ui", GL_R8UI, GLSL_TYPE_UINT },
+ { "rgba32i", GL_RGBA32I, GLSL_TYPE_INT },
+ { "rgba16i", GL_RGBA16I, GLSL_TYPE_INT },
+ { "rgba8i", GL_RGBA8I, GLSL_TYPE_INT },
+ { "rg32i", GL_RG32I, GLSL_TYPE_INT },
+ { "rg16i", GL_RG16I, GLSL_TYPE_INT },
+ { "rg8i", GL_RG8I, GLSL_TYPE_INT },
+ { "r32i", GL_R32I, GLSL_TYPE_INT },
+ { "r16i", GL_R16I, GLSL_TYPE_INT },
+ { "r8i", GL_R8I, GLSL_TYPE_INT },
+ { "rgba16", GL_RGBA16, GLSL_TYPE_FLOAT },
+ { "rgb10_a2", GL_RGB10_A2, GLSL_TYPE_FLOAT },
+ { "rgba8", GL_RGBA8, GLSL_TYPE_FLOAT },
+ { "rg16", GL_RG16, GLSL_TYPE_FLOAT },
+ { "rg8", GL_RG8, GLSL_TYPE_FLOAT },
+ { "r16", GL_R16, GLSL_TYPE_FLOAT },
+ { "r8", GL_R8, GLSL_TYPE_FLOAT },
+ { "rgba16_snorm", GL_RGBA16_SNORM, GLSL_TYPE_FLOAT },
+ { "rgba8_snorm", GL_RGBA8_SNORM, GLSL_TYPE_FLOAT },
+ { "rg16_snorm", GL_RG16_SNORM, GLSL_TYPE_FLOAT },
+ { "rg8_snorm", GL_RG8_SNORM, GLSL_TYPE_FLOAT },
+ { "r16_snorm", GL_R16_SNORM, GLSL_TYPE_FLOAT },
+ { "r8_snorm", GL_R8_SNORM, GLSL_TYPE_FLOAT }
+ };
+
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++) {
+ if (match_layout_qualifier($1, map[i].name, state) == 0) {
+ $$.flags.q.explicit_image_format = 1;
+ $$.image_format = map[i].format;
+ $$.image_base_type = map[i].base_type;
+ break;
+ }
+ }
+ }
+
+ if (!$$.flags.i &&
+ match_layout_qualifier($1, "early_fragment_tests", state) == 0) {
+ /* From section 4.4.1.3 of the GLSL 4.50 specification
+ * (Fragment Shader Inputs):
+ *
+ * "Fragment shaders also allow the following layout
+ * qualifier on in only (not with variable declarations)
+ * layout-qualifier-id
+ * early_fragment_tests
+ * [...]"
+ */
+ if (state->stage != MESA_SHADER_FRAGMENT) {
+ _mesa_glsl_error(& @1, state,
+ "early_fragment_tests layout qualifier only "
+ "valid in fragment shaders");
+ }
+
+ $$.flags.q.early_fragment_tests = 1;
+ }
+ }
+
+ /* Layout qualifiers for tessellation evaluation shaders. */
+ if (!$$.flags.i) {
+ struct {
+ const char *s;
+ GLenum e;
+ } map[] = {
+ /* triangles already parsed by gs-specific code */
+ { "quads", GL_QUADS },
+ { "isolines", GL_ISOLINES },
+ };
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++) {
+ if (match_layout_qualifier($1, map[i].s, state) == 0) {
+ $$.flags.q.prim_type = 1;
+ $$.prim_type = map[i].e;
+ break;
+ }
+ }
+
+ if ($$.flags.i &&
+ !state->ARB_tessellation_shader_enable &&
+ !state->is_version(400, 0)) {
+ _mesa_glsl_error(& @1, state,
+ "primitive mode qualifier `%s' requires "
+ "GLSL 4.00 or ARB_tessellation_shader", $1);
+ }
+ }
+ if (!$$.flags.i) {
+ struct {
+ const char *s;
+ GLenum e;
+ } map[] = {
+ { "equal_spacing", GL_EQUAL },
+ { "fractional_odd_spacing", GL_FRACTIONAL_ODD },
+ { "fractional_even_spacing", GL_FRACTIONAL_EVEN },
+ };
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++) {
+ if (match_layout_qualifier($1, map[i].s, state) == 0) {
+ $$.flags.q.vertex_spacing = 1;
+ $$.vertex_spacing = map[i].e;
+ break;
+ }
+ }
+
+ if ($$.flags.i &&
+ !state->ARB_tessellation_shader_enable &&
+ !state->is_version(400, 0)) {
+ _mesa_glsl_error(& @1, state,
+ "vertex spacing qualifier `%s' requires "
+ "GLSL 4.00 or ARB_tessellation_shader", $1);
+ }
+ }
+ if (!$$.flags.i) {
+ if (match_layout_qualifier($1, "cw", state) == 0) {
+ $$.flags.q.ordering = 1;
+ $$.ordering = GL_CW;
+ } else if (match_layout_qualifier($1, "ccw", state) == 0) {
+ $$.flags.q.ordering = 1;
+ $$.ordering = GL_CCW;
+ }
+
+ if ($$.flags.i &&
+ !state->ARB_tessellation_shader_enable &&
+ !state->is_version(400, 0)) {
+ _mesa_glsl_error(& @1, state,
+ "ordering qualifier `%s' requires "
+ "GLSL 4.00 or ARB_tessellation_shader", $1);
+ }
+ }
+ if (!$$.flags.i) {
+ if (match_layout_qualifier($1, "point_mode", state) == 0) {
+ $$.flags.q.point_mode = 1;
+ $$.point_mode = true;
+ }
+
+ if ($$.flags.i &&
+ !state->ARB_tessellation_shader_enable &&
+ !state->is_version(400, 0)) {
+ _mesa_glsl_error(& @1, state,
+ "qualifier `point_mode' requires "
+ "GLSL 4.00 or ARB_tessellation_shader");
+ }
+ }
+
if (!$$.flags.i) {
_mesa_glsl_error(& @1, state, "unrecognized layout identifier "
"`%s'", $1);
{
memset(& $$, 0, sizeof($$));
- if (state->has_explicit_attrib_location()) {
- if (match_layout_qualifier("location", $1, state) == 0) {
- $$.flags.q.explicit_location = 1;
+ if (match_layout_qualifier("location", $1, state) == 0) {
+ $$.flags.q.explicit_location = 1;
- if ($3 >= 0) {
- $$.location = $3;
- } else {
- _mesa_glsl_error(& @3, state,
- "invalid location %d specified", $3);
- YYERROR;
- }
+ if ($$.flags.q.attribute == 1 &&
+ state->ARB_explicit_attrib_location_warn) {
+ _mesa_glsl_warning(& @1, state,
+ "GL_ARB_explicit_attrib_location layout "
+ "identifier `%s' used", $1);
}
- if (match_layout_qualifier("index", $1, state) == 0) {
- $$.flags.q.explicit_index = 1;
+ if ($3 >= 0) {
+ $$.location = $3;
+ } else {
+ _mesa_glsl_error(& @3, state, "invalid location %d specified", $3);
+ YYERROR;
+ }
+ }
- if ($3 >= 0) {
- $$.index = $3;
- } else {
- _mesa_glsl_error(& @3, state,
- "invalid index %d specified", $3);
- YYERROR;
- }
+ if (match_layout_qualifier("index", $1, state) == 0) {
+ $$.flags.q.explicit_index = 1;
+
+ if ($3 >= 0) {
+ $$.index = $3;
+ } else {
+ _mesa_glsl_error(& @3, state, "invalid index %d specified", $3);
+ YYERROR;
}
}
- if (state->ARB_shading_language_420pack_enable &&
- match_layout_qualifier("binding", $1, state) == 0) {
+ if (match_layout_qualifier("binding", $1, state) == 0) {
$$.flags.q.explicit_binding = 1;
$$.binding = $3;
}
+ if (match_layout_qualifier("set", $1, state) == 0) {
+ $$.flags.q.vk_set = 1;
+ $$.set = $3;
+ }
+
+ if (state->has_atomic_counters() &&
+ match_layout_qualifier("offset", $1, state) == 0) {
+ $$.flags.q.explicit_offset = 1;
+ $$.offset = $3;
+ }
+
if (match_layout_qualifier("max_vertices", $1, state) == 0) {
$$.flags.q.max_vertices = 1;
}
}
+ if (state->stage == MESA_SHADER_GEOMETRY) {
+ if (match_layout_qualifier("stream", $1, state) == 0 &&
+ state->check_explicit_attrib_stream_allowed(& @3)) {
+ $$.flags.q.stream = 1;
+
+ if ($3 < 0) {
+ _mesa_glsl_error(& @3, state,
+ "invalid stream %d specified", $3);
+ YYERROR;
+ } else {
+ $$.flags.q.explicit_stream = 1;
+ $$.stream = $3;
+ }
+ }
+ }
+
+ static const char * const local_size_qualifiers[3] = {
+ "local_size_x",
+ "local_size_y",
+ "local_size_z",
+ };
+ for (int i = 0; i < 3; i++) {
+ if (match_layout_qualifier(local_size_qualifiers[i], $1,
+ state) == 0) {
+ if ($3 <= 0) {
+ _mesa_glsl_error(& @3, state,
+ "invalid %s of %d specified",
+ local_size_qualifiers[i], $3);
+ YYERROR;
+ } else if (!state->is_version(430, 0) &&
+ !state->ARB_compute_shader_enable) {
+ _mesa_glsl_error(& @3, state,
+ "%s qualifier requires GLSL 4.30 or "
+ "ARB_compute_shader",
+ local_size_qualifiers[i]);
+ YYERROR;
+ } else {
+ $$.flags.q.local_size |= (1 << i);
+ $$.local_size[i] = $3;
+ }
+ break;
+ }
+ }
+
+ if (match_layout_qualifier("invocations", $1, state) == 0) {
+ $$.flags.q.invocations = 1;
+
+ if ($3 <= 0) {
+ _mesa_glsl_error(& @3, state,
+ "invalid invocations %d specified", $3);
+ YYERROR;
+ } else if ($3 > MAX_GEOMETRY_SHADER_INVOCATIONS) {
+ _mesa_glsl_error(& @3, state,
+ "invocations (%d) exceeds "
+ "GL_MAX_GEOMETRY_SHADER_INVOCATIONS", $3);
+ YYERROR;
+ } else {
+ $$.invocations = $3;
+ if (!state->is_version(400, 0) &&
+ !state->ARB_gpu_shader5_enable) {
+ _mesa_glsl_error(& @3, state,
+ "GL_ARB_gpu_shader5 invocations "
+ "qualifier specified", $3);
+ }
+ }
+ }
+
+ /* Layout qualifiers for tessellation control shaders. */
+ if (match_layout_qualifier("vertices", $1, state) == 0) {
+ $$.flags.q.vertices = 1;
+
+ if ($3 <= 0) {
+ _mesa_glsl_error(& @3, state,
+ "invalid vertices (%d) specified", $3);
+ YYERROR;
+ } else if ($3 > (int)state->Const.MaxPatchVertices) {
+ _mesa_glsl_error(& @3, state,
+ "vertices (%d) exceeds "
+ "GL_MAX_PATCH_VERTICES", $3);
+ YYERROR;
+ } else {
+ $$.vertices = $3;
+ if (!state->ARB_tessellation_shader_enable &&
+ !state->is_version(400, 0)) {
+ _mesa_glsl_error(& @1, state,
+ "vertices qualifier requires GLSL 4.00 or "
+ "ARB_tessellation_shader");
+ }
+ }
+ }
+
/* If the identifier didn't match any known layout identifiers,
* emit an error.
*/
_mesa_glsl_error(& @1, state, "unrecognized layout identifier "
"`%s'", $1);
YYERROR;
- } else if (state->ARB_explicit_attrib_location_warn) {
- _mesa_glsl_warning(& @1, state,
- "GL_ARB_explicit_attrib_location layout "
- "identifier `%s' used", $1);
}
}
| interface_block_layout_qualifier
}
;
+subroutine_qualifier:
+ SUBROUTINE
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.subroutine = 1;
+ }
+ | SUBROUTINE '(' subroutine_type_list ')'
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.subroutine_def = 1;
+ $$.subroutine_list = $3;
+ }
+ ;
+
+subroutine_type_list:
+ any_identifier
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($1, NULL, NULL);
+ decl->set_location(@1);
+
+ $$ = new(ctx) ast_subroutine_list();
+ $$->declarations.push_tail(&decl->link);
+ }
+ | subroutine_type_list ',' any_identifier
+ {
+ void *ctx = state;
+ ast_declaration *decl = new(ctx) ast_declaration($3, NULL, NULL);
+ decl->set_location(@3);
+
+ $$ = $1;
+ $$->declarations.push_tail(&decl->link);
+ }
+ ;
+
interpolation_qualifier:
SMOOTH
{
memset(& $$, 0, sizeof($$));
$$.flags.q.invariant = 1;
}
+ | PRECISE
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.precise = 1;
+ }
| auxiliary_storage_qualifier
| storage_qualifier
| interpolation_qualifier
| layout_qualifier
+ | memory_qualifier
+ | subroutine_qualifier
| precision_qualifier
{
memset(&$$, 0, sizeof($$));
* Each qualifier's rule ensures that the accumulated qualifiers on the right
* side don't contain any that must appear on the left hand side.
* For example, when processing a storage qualifier, we check that there are
- * no auxiliary, interpolation, layout, or invariant qualifiers to the right.
+ * no auxiliary, interpolation, layout, invariant, or precise qualifiers to the right.
*/
+ | PRECISE type_qualifier
+ {
+ if ($2.flags.q.precise)
+ _mesa_glsl_error(&@1, state, "duplicate \"precise\" qualifier");
+
+ $$ = $2;
+ $$.flags.q.precise = 1;
+ }
| INVARIANT type_qualifier
{
if ($2.flags.q.invariant)
_mesa_glsl_error(&@1, state, "duplicate \"invariant\" qualifier");
- if ($2.has_layout()) {
+ if (!state->has_420pack() && $2.flags.q.precise)
_mesa_glsl_error(&@1, state,
- "\"invariant\" cannot be used with layout(...)");
- }
+ "\"invariant\" must come after \"precise\"");
$$ = $2;
$$.flags.q.invariant = 1;
+
+ /* GLSL ES 3.00 spec, section 4.6.1 "The Invariant Qualifier":
+ *
+ * "Only variables output from a shader can be candidates for invariance.
+ * This includes user-defined output variables and the built-in output
+ * variables. As only outputs can be declared as invariant, an invariant
+ * output from one shader stage will still match an input of a subsequent
+ * stage without the input being declared as invariant."
+ */
+ if (state->es_shader && state->language_version >= 300 && $$.flags.q.in)
+ _mesa_glsl_error(&@1, state, "invariant qualifiers cannot be used with shader inputs");
}
| interpolation_qualifier type_qualifier
{
if ($2.has_interpolation())
_mesa_glsl_error(&@1, state, "duplicate interpolation qualifier");
- if ($2.has_layout()) {
- _mesa_glsl_error(&@1, state, "interpolation qualifiers cannot be used "
- "with layout(...)");
- }
-
- if (!state->ARB_shading_language_420pack_enable && $2.flags.q.invariant) {
+ if (!state->has_420pack() &&
+ ($2.flags.q.precise || $2.flags.q.invariant)) {
_mesa_glsl_error(&@1, state, "interpolation qualifiers must come "
- "after \"invariant\"");
+ "after \"precise\" or \"invariant\"");
}
$$ = $1;
}
| layout_qualifier type_qualifier
{
- /* The GLSL 1.50 grammar indicates that a layout(...) declaration can be
- * used standalone or immediately before a storage qualifier. It cannot
- * be used with interpolation qualifiers or invariant. There does not
- * appear to be any text indicating that it must come before the storage
- * qualifier, but always seems to in examples.
+ /* In the absence of ARB_shading_language_420pack, layout qualifiers may
+ * appear no later than auxiliary storage qualifiers. There is no
+ * particularly clear spec language mandating this, but in all examples
+ * the layout qualifier precedes the storage qualifier.
+ *
+ * We allow combinations of layout with interpolation, invariant or
+ * precise qualifiers since these are useful in ARB_separate_shader_objects.
+ * There is no clear spec guidance on this either.
*/
- if (!state->ARB_shading_language_420pack_enable && $2.has_layout())
+ if (!state->has_420pack() && $2.has_layout())
_mesa_glsl_error(&@1, state, "duplicate layout(...) qualifiers");
- if ($2.flags.q.invariant)
- _mesa_glsl_error(&@1, state, "layout(...) cannot be used with "
- "the \"invariant\" qualifier");
-
- if ($2.has_interpolation()) {
- _mesa_glsl_error(&@1, state, "layout(...) cannot be used with "
- "interpolation qualifiers");
- }
-
+ $$ = $1;
+ $$.merge_qualifier(&@1, state, $2);
+ }
+ | subroutine_qualifier type_qualifier
+ {
$$ = $1;
$$.merge_qualifier(&@1, state, $2);
}
{
if ($2.has_auxiliary_storage()) {
_mesa_glsl_error(&@1, state,
- "duplicate auxiliary storage qualifier (centroid)");
+ "duplicate auxiliary storage qualifier (centroid or sample)");
}
- if (!state->ARB_shading_language_420pack_enable &&
- ($2.flags.q.invariant || $2.has_interpolation() || $2.has_layout())) {
+ if (!state->has_420pack() &&
+ ($2.flags.q.precise || $2.flags.q.invariant ||
+ $2.has_interpolation() || $2.has_layout())) {
_mesa_glsl_error(&@1, state, "auxiliary storage qualifiers must come "
"just before storage qualifiers");
}
$$ = $1;
- $$.flags.i |= $2.flags.i;
+ $$.merge_qualifier(&@1, state, $2);
}
| storage_qualifier type_qualifier
{
if ($2.has_storage())
_mesa_glsl_error(&@1, state, "duplicate storage qualifier");
- if (!state->ARB_shading_language_420pack_enable &&
- ($2.flags.q.invariant || $2.has_interpolation() || $2.has_layout() ||
- $2.has_auxiliary_storage())) {
+ if (!state->has_420pack() &&
+ ($2.flags.q.precise || $2.flags.q.invariant || $2.has_interpolation() ||
+ $2.has_layout() || $2.has_auxiliary_storage())) {
_mesa_glsl_error(&@1, state, "storage qualifiers must come after "
- "invariant, interpolation, layout and auxiliary "
+ "precise, invariant, interpolation, layout and auxiliary "
"storage qualifiers");
}
if ($2.precision != ast_precision_none)
_mesa_glsl_error(&@1, state, "duplicate precision qualifier");
- if (!state->ARB_shading_language_420pack_enable && $2.flags.i != 0)
+ if (!state->has_420pack() && $2.flags.i != 0)
_mesa_glsl_error(&@1, state, "precision qualifiers must come last");
$$ = $2;
$$.precision = $1;
}
+ | memory_qualifier type_qualifier
+ {
+ $$ = $1;
+ $$.merge_qualifier(&@1, state, $2);
+ }
;
auxiliary_storage_qualifier:
memset(& $$, 0, sizeof($$));
$$.flags.q.centroid = 1;
}
- /* TODO: "sample" and "patch" also go here someday. */
+ | SAMPLE
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.sample = 1;
+ }
+ | PATCH
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.patch = 1;
+ }
storage_qualifier:
CONST_TOK
{
memset(& $$, 0, sizeof($$));
$$.flags.q.out = 1;
+
+ if (state->stage == MESA_SHADER_GEOMETRY &&
+ state->has_explicit_attrib_stream()) {
+ /* Section 4.3.8.2 (Output Layout Qualifiers) of the GLSL 4.00
+ * spec says:
+ *
+ * "If the block or variable is declared with the stream
+ * identifier, it is associated with the specified stream;
+ * otherwise, it is associated with the current default stream."
+ */
+ $$.flags.q.stream = 1;
+ $$.flags.q.explicit_stream = 0;
+ $$.stream = state->out_qualifier->stream;
+ }
}
| UNIFORM
{
memset(& $$, 0, sizeof($$));
$$.flags.q.uniform = 1;
}
+ | BUFFER
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.buffer = 1;
+ }
;
-type_specifier:
- type_specifier_nonarray
- | type_specifier_nonarray '[' ']'
+memory_qualifier:
+ COHERENT
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.coherent = 1;
+ }
+ | VOLATILE
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q._volatile = 1;
+ }
+ | RESTRICT
+ {
+ STATIC_ASSERT(sizeof($$.flags.q) <= sizeof($$.flags.i));
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.restrict_flag = 1;
+ }
+ | READONLY
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.read_only = 1;
+ }
+ | WRITEONLY
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.write_only = 1;
+ }
+ ;
+
+array_specifier:
+ '[' ']'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_array_specifier(@1);
+ $$->set_location_range(@1, @2);
+ }
+ | '[' constant_expression ']'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_array_specifier(@1, $2);
+ $$->set_location_range(@1, @3);
+ }
+ | array_specifier '[' ']'
{
$$ = $1;
- $$->is_array = true;
- $$->array_size = NULL;
+
+ if (!state->ARB_arrays_of_arrays_enable) {
+ _mesa_glsl_error(& @1, state,
+ "GL_ARB_arrays_of_arrays "
+ "required for defining arrays of arrays");
+ } else {
+ _mesa_glsl_error(& @1, state,
+ "only the outermost array dimension can "
+ "be unsized");
+ }
}
- | type_specifier_nonarray '[' constant_expression ']'
+ | array_specifier '[' constant_expression ']'
{
$$ = $1;
- $$->is_array = true;
- $$->array_size = $3;
+
+ if (!state->ARB_arrays_of_arrays_enable) {
+ _mesa_glsl_error(& @1, state,
+ "GL_ARB_arrays_of_arrays "
+ "required for defining arrays of arrays");
+ }
+
+ $$->add_dimension($3);
+ }
+ ;
+
+type_specifier:
+ type_specifier_nonarray
+ | type_specifier_nonarray array_specifier
+ {
+ $$ = $1;
+ $$->array_specifier = $2;
}
;
{
void *ctx = state;
$$ = new(ctx) ast_type_specifier($1);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| struct_specifier
{
void *ctx = state;
$$ = new(ctx) ast_type_specifier($1);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| TYPE_IDENTIFIER
{
void *ctx = state;
$$ = new(ctx) ast_type_specifier($1);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
;
basic_type_specifier_nonarray:
VOID_TOK { $$ = "void"; }
| FLOAT_TOK { $$ = "float"; }
+ | DOUBLE_TOK { $$ = "double"; }
| INT_TOK { $$ = "int"; }
| UINT_TOK { $$ = "uint"; }
| BOOL_TOK { $$ = "bool"; }
| UVEC2 { $$ = "uvec2"; }
| UVEC3 { $$ = "uvec3"; }
| UVEC4 { $$ = "uvec4"; }
+ | DVEC2 { $$ = "dvec2"; }
+ | DVEC3 { $$ = "dvec3"; }
+ | DVEC4 { $$ = "dvec4"; }
| MAT2X2 { $$ = "mat2"; }
| MAT2X3 { $$ = "mat2x3"; }
| MAT2X4 { $$ = "mat2x4"; }
| MAT4X2 { $$ = "mat4x2"; }
| MAT4X3 { $$ = "mat4x3"; }
| MAT4X4 { $$ = "mat4"; }
+ | DMAT2X2 { $$ = "dmat2"; }
+ | DMAT2X3 { $$ = "dmat2x3"; }
+ | DMAT2X4 { $$ = "dmat2x4"; }
+ | DMAT3X2 { $$ = "dmat3x2"; }
+ | DMAT3X3 { $$ = "dmat3"; }
+ | DMAT3X4 { $$ = "dmat3x4"; }
+ | DMAT4X2 { $$ = "dmat4x2"; }
+ | DMAT4X3 { $$ = "dmat4x3"; }
+ | DMAT4X4 { $$ = "dmat4"; }
| SAMPLER1D { $$ = "sampler1D"; }
| SAMPLER2D { $$ = "sampler2D"; }
| SAMPLER2DRECT { $$ = "sampler2DRect"; }
| SAMPLER2DMSARRAY { $$ = "sampler2DMSArray"; }
| ISAMPLER2DMSARRAY { $$ = "isampler2DMSArray"; }
| USAMPLER2DMSARRAY { $$ = "usampler2DMSArray"; }
+ | IMAGE1D { $$ = "image1D"; }
+ | IMAGE2D { $$ = "image2D"; }
+ | IMAGE3D { $$ = "image3D"; }
+ | IMAGE2DRECT { $$ = "image2DRect"; }
+ | IMAGECUBE { $$ = "imageCube"; }
+ | IMAGEBUFFER { $$ = "imageBuffer"; }
+ | IMAGE1DARRAY { $$ = "image1DArray"; }
+ | IMAGE2DARRAY { $$ = "image2DArray"; }
+ | IMAGECUBEARRAY { $$ = "imageCubeArray"; }
+ | IMAGE2DMS { $$ = "image2DMS"; }
+ | IMAGE2DMSARRAY { $$ = "image2DMSArray"; }
+ | IIMAGE1D { $$ = "iimage1D"; }
+ | IIMAGE2D { $$ = "iimage2D"; }
+ | IIMAGE3D { $$ = "iimage3D"; }
+ | IIMAGE2DRECT { $$ = "iimage2DRect"; }
+ | IIMAGECUBE { $$ = "iimageCube"; }
+ | IIMAGEBUFFER { $$ = "iimageBuffer"; }
+ | IIMAGE1DARRAY { $$ = "iimage1DArray"; }
+ | IIMAGE2DARRAY { $$ = "iimage2DArray"; }
+ | IIMAGECUBEARRAY { $$ = "iimageCubeArray"; }
+ | IIMAGE2DMS { $$ = "iimage2DMS"; }
+ | IIMAGE2DMSARRAY { $$ = "iimage2DMSArray"; }
+ | UIMAGE1D { $$ = "uimage1D"; }
+ | UIMAGE2D { $$ = "uimage2D"; }
+ | UIMAGE3D { $$ = "uimage3D"; }
+ | UIMAGE2DRECT { $$ = "uimage2DRect"; }
+ | UIMAGECUBE { $$ = "uimageCube"; }
+ | UIMAGEBUFFER { $$ = "uimageBuffer"; }
+ | UIMAGE1DARRAY { $$ = "uimage1DArray"; }
+ | UIMAGE2DARRAY { $$ = "uimage2DArray"; }
+ | UIMAGECUBEARRAY { $$ = "uimageCubeArray"; }
+ | UIMAGE2DMS { $$ = "uimage2DMS"; }
+ | UIMAGE2DMSARRAY { $$ = "uimage2DMSArray"; }
+ | ATOMIC_UINT { $$ = "atomic_uint"; }
;
precision_qualifier:
{
void *ctx = state;
$$ = new(ctx) ast_struct_specifier($2, $4);
- $$->set_location(yylloc);
+ $$->set_location_range(@2, @5);
state->symbols->add_type($2, glsl_type::void_type);
- state->symbols->add_type_ast($2, new(ctx) ast_type_specifier($$));
}
| STRUCT '{' struct_declaration_list '}'
{
void *ctx = state;
$$ = new(ctx) ast_struct_specifier(NULL, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@2, @4);
}
;
{
void *ctx = state;
ast_fully_specified_type *const type = $1;
- type->set_location(yylloc);
+ type->set_location(@1);
if (type->qualifier.flags.i != 0)
_mesa_glsl_error(&@1, state,
"structure members");
$$ = new(ctx) ast_declarator_list(type);
- $$->set_location(yylloc);
+ $$->set_location(@2);
$$->declarations.push_degenerate_list_at_head(& $2->link);
}
any_identifier
{
void *ctx = state;
- $$ = new(ctx) ast_declaration($1, false, NULL, NULL);
- $$->set_location(yylloc);
- }
- | any_identifier '[' ']'
- {
- void *ctx = state;
- $$ = new(ctx) ast_declaration($1, true, NULL, NULL);
- $$->set_location(yylloc);
+ $$ = new(ctx) ast_declaration($1, NULL, NULL);
+ $$->set_location(@1);
}
- | any_identifier '[' constant_expression ']'
+ | any_identifier array_specifier
{
void *ctx = state;
- $$ = new(ctx) ast_declaration($1, true, $3, NULL);
- $$->set_location(yylloc);
+ $$ = new(ctx) ast_declaration($1, $2, NULL);
+ $$->set_location_range(@1, @2);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_aggregate_initializer();
- $$->set_location(yylloc);
+ $$->set_location(@1);
$$->expressions.push_tail(& $1->link);
}
| initializer_list ',' initializer
{
void *ctx = state;
$$ = new(ctx) ast_compound_statement(true, NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
}
| '{'
{
{
void *ctx = state;
$$ = new(ctx) ast_compound_statement(true, $3);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @4);
state->symbols->pop_scope();
}
;
{
void *ctx = state;
$$ = new(ctx) ast_compound_statement(false, NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
}
| '{' statement_list '}'
{
void *ctx = state;
$$ = new(ctx) ast_compound_statement(false, $2);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_expression_statement(NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| expression ';'
{
void *ctx = state;
$$ = new(ctx) ast_expression_statement($1);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
;
{
$$ = new(state) ast_selection_statement($3, $5.then_statement,
$5.else_statement);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @5);
}
;
| fully_specified_type any_identifier '=' initializer
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4);
+ ast_declaration *decl = new(ctx) ast_declaration($2, NULL, $4);
ast_declarator_list *declarator = new(ctx) ast_declarator_list($1);
- decl->set_location(yylloc);
- declarator->set_location(yylloc);
+ decl->set_location_range(@2, @4);
+ declarator->set_location(@1);
declarator->declarations.push_tail(&decl->link);
$$ = declarator;
;
/*
- * siwtch_statement grammar is based on the syntax described in the body
+ * switch_statement grammar is based on the syntax described in the body
* of the GLSL spec, not in it's appendix!!!
*/
switch_statement:
SWITCH '(' expression ')' switch_body
{
$$ = new(state) ast_switch_statement($3, $5);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @5);
}
;
'{' '}'
{
$$ = new(state) ast_switch_body(NULL);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
}
| '{' case_statement_list '}'
{
$$ = new(state) ast_switch_body($2);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @3);
}
;
CASE expression ':'
{
$$ = new(state) ast_case_label($2);
- $$->set_location(yylloc);
+ $$->set_location(@2);
}
| DEFAULT ':'
{
$$ = new(state) ast_case_label(NULL);
- $$->set_location(yylloc);
+ $$->set_location(@2);
}
;
labels->labels.push_tail(& $1->link);
$$ = labels;
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| case_label_list case_label
{
case_label_list statement
{
ast_case_statement *stmts = new(state) ast_case_statement($1);
- stmts->set_location(yylloc);
+ stmts->set_location(@2);
stmts->stmts.push_tail(& $2->link);
$$ = stmts;
case_statement
{
ast_case_statement_list *cases= new(state) ast_case_statement_list();
- cases->set_location(yylloc);
+ cases->set_location(@1);
cases->cases.push_tail(& $1->link);
$$ = cases;
void *ctx = state;
$$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_while,
NULL, $3, NULL, $5);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @4);
}
| DO statement WHILE '(' expression ')' ';'
{
void *ctx = state;
$$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_do_while,
NULL, $5, NULL, $2);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @6);
}
| FOR '(' for_init_statement for_rest_statement ')' statement_no_new_scope
{
void *ctx = state;
$$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_for,
$3, $4.cond, $4.rest, $6);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @6);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_continue, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| BREAK ';'
{
void *ctx = state;
$$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_break, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| RETURN ';'
{
void *ctx = state;
$$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
| RETURN expression ';'
{
void *ctx = state;
$$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, $2);
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
}
| DISCARD ';' // Fragment shader only.
{
void *ctx = state;
$$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_discard, NULL);
- $$->set_location(yylloc);
+ $$->set_location(@1);
}
;
{
void *ctx = state;
$$ = new(ctx) ast_function_definition();
- $$->set_location(yylloc);
+ $$->set_location_range(@1, @2);
$$->prototype = $1;
$$->body = $2;
if (!block->layout.merge_qualifier(& @1, state, $1)) {
YYERROR;
}
+
+ foreach_list_typed (ast_declarator_list, member, link, &block->declarations) {
+ ast_type_qualifier& qualifier = member->type->qualifier;
+ if (qualifier.flags.q.stream && qualifier.stream != block->layout.stream) {
+ _mesa_glsl_error(& @1, state,
+ "stream layout qualifier on "
+ "interface block member does not match "
+ "the interface block (%d vs %d)",
+ qualifier.stream, block->layout.stream);
+ YYERROR;
+ }
+ }
$$ = block;
}
;
block->block_name = $2;
block->declarations.push_degenerate_list_at_head(& $4->link);
- if ($1.flags.q.uniform) {
+ if ($1.flags.q.buffer) {
+ if (!state->has_shader_storage_buffer_objects()) {
+ _mesa_glsl_error(& @1, state,
+ "#version 430 / GL_ARB_shader_storage_buffer_object "
+ "required for defining shader storage blocks");
+ } else if (state->ARB_shader_storage_buffer_object_warn) {
+ _mesa_glsl_warning(& @1, state,
+ "#version 430 / GL_ARB_shader_storage_buffer_object "
+ "required for defining shader storage blocks");
+ }
+ } else if ($1.flags.q.uniform) {
if (!state->has_uniform_buffer_objects()) {
_mesa_glsl_error(& @1, state,
"#version 140 / GL_ARB_uniform_buffer_object "
* "It is illegal to have an input block in a vertex shader
* or an output block in a fragment shader"
*/
- if ((state->target == vertex_shader) && $1.flags.q.in) {
+ if ((state->stage == MESA_SHADER_VERTEX) && $1.flags.q.in) {
_mesa_glsl_error(& @1, state,
"`in' interface block is not allowed for "
"a vertex shader");
- } else if ((state->target == fragment_shader) && $1.flags.q.out) {
+ } else if ((state->stage == MESA_SHADER_FRAGMENT) && $1.flags.q.out) {
_mesa_glsl_error(& @1, state,
"`out' interface block is not allowed for "
"a fragment shader");
"an instance name are not allowed");
}
- unsigned interface_type_mask;
+ uint64_t interface_type_mask;
struct ast_type_qualifier temp_type_qualifier;
- /* Get a bitmask containing only the in/out/uniform flags, allowing us
- * to ignore other irrelevant flags like interpolation qualifiers.
+ /* Get a bitmask containing only the in/out/uniform/buffer
+ * flags, allowing us to ignore other irrelevant flags like
+ * interpolation qualifiers.
*/
temp_type_qualifier.flags.i = 0;
temp_type_qualifier.flags.q.uniform = true;
+ temp_type_qualifier.flags.q.buffer = true;
temp_type_qualifier.flags.q.in = true;
temp_type_qualifier.flags.q.out = true;
interface_type_mask = temp_type_qualifier.flags.i;
* production rule guarantees that only one bit will be set (and
* it will be in/out/uniform).
*/
- unsigned block_interface_qualifier = $1.flags.i;
+ uint64_t block_interface_qualifier = $1.flags.i;
block->layout.flags.i |= block_interface_qualifier;
+ if (state->stage == MESA_SHADER_GEOMETRY &&
+ state->has_explicit_attrib_stream()) {
+ /* Assign global layout's stream value. */
+ block->layout.flags.q.stream = 1;
+ block->layout.flags.q.explicit_stream = 0;
+ block->layout.stream = state->out_qualifier->stream;
+ }
+
foreach_list_typed (ast_declarator_list, member, link, &block->declarations) {
ast_type_qualifier& qualifier = member->type->qualifier;
if ((qualifier.flags.i & interface_type_mask) == 0) {
"interface block member does not match "
"the interface block");
}
+
+ /* From GLSL ES 3.0, chapter 4.3.7 "Interface Blocks":
+ *
+ * "GLSL ES 3.0 does not support interface blocks for shader inputs or
+ * outputs."
+ *
+ * And from GLSL ES 3.0, chapter 4.6.1 "The invariant qualifier":.
+ *
+ * "Only variables output from a shader can be candidates for
+ * invariance."
+ *
+ * From GLSL 4.40 and GLSL 1.50, section "Interface Blocks":
+ *
+ * "If optional qualifiers are used, they can include interpolation
+ * qualifiers, auxiliary storage qualifiers, and storage qualifiers
+ * and they must declare an input, output, or uniform member
+ * consistent with the interface qualifier of the block"
+ */
+ if (qualifier.flags.q.invariant)
+ _mesa_glsl_error(&@1, state,
+ "invariant qualifiers cannot be used "
+ "with interface blocks members");
}
$$ = block;
memset(& $$, 0, sizeof($$));
$$.flags.q.uniform = 1;
}
+ | BUFFER
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.flags.q.buffer = 1;
+ }
;
instance_name_opt:
/* empty */
{
$$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
- NULL, false, NULL);
+ NULL, NULL);
}
| NEW_IDENTIFIER
{
$$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
- $1, false, NULL);
- }
- | NEW_IDENTIFIER '[' constant_expression ']'
- {
- $$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
- $1, true, $3);
+ $1, NULL);
+ $$->set_location(@1);
}
- | NEW_IDENTIFIER '[' ']'
+ | NEW_IDENTIFIER array_specifier
{
$$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
- $1, true, NULL);
+ $1, $2);
+ $$->set_location_range(@1, @2);
}
;
{
void *ctx = state;
ast_fully_specified_type *type = $1;
- type->set_location(yylloc);
+ type->set_location(@1);
if (type->qualifier.flags.q.attribute) {
_mesa_glsl_error(& @1, state,
}
$$ = new(ctx) ast_declarator_list(type);
- $$->set_location(yylloc);
+ $$->set_location(@2);
$$->declarations.push_degenerate_list_at_head(& $2->link);
}
| layout_qualifier IN_TOK ';'
{
- void *ctx = state;
$$ = NULL;
- if (state->target != geometry_shader) {
- _mesa_glsl_error(& @1, state,
- "input layout qualifiers only valid in "
- "geometry shaders");
- } else if (!$1.flags.q.prim_type) {
- _mesa_glsl_error(& @1, state,
- "input layout qualifiers must specify a primitive"
- " type");
- } else {
- /* Make sure this is a valid input primitive type. */
- switch ($1.prim_type) {
- case GL_POINTS:
- case GL_LINES:
- case GL_LINES_ADJACENCY:
- case GL_TRIANGLES:
- case GL_TRIANGLES_ADJACENCY:
- $$ = new(ctx) ast_gs_input_layout(@1, $1.prim_type);
- break;
- default:
- _mesa_glsl_error(&@1, state,
- "invalid geometry shader input primitive type");
- break;
- }
+ if (!state->in_qualifier->merge_in_qualifier(& @1, state, $1, $$)) {
+ YYERROR;
}
}
| layout_qualifier OUT_TOK ';'
{
- if (state->target != geometry_shader) {
- _mesa_glsl_error(& @1, state,
- "out layout qualifiers only valid in "
- "geometry shaders");
- } else {
+ $$ = NULL;
+ if (state->stage == MESA_SHADER_GEOMETRY) {
if ($1.flags.q.prim_type) {
/* Make sure this is a valid output primitive type. */
switch ($1.prim_type) {
}
if (!state->out_qualifier->merge_qualifier(& @1, state, $1))
YYERROR;
+
+ /* Allow future assigments of global out's stream id value */
+ state->out_qualifier->flags.q.explicit_stream = 0;
+ } else if (state->stage == MESA_SHADER_TESS_CTRL) {
+ if (!state->out_qualifier->merge_out_qualifier(& @1, state, $1, $$))
+ YYERROR;
+ } else {
+ _mesa_glsl_error(& @1, state,
+ "out layout qualifiers only valid in "
+ "tessellation control or geometry shaders");
}
- $$ = NULL;
}
projects / mesa.git / blobdiff