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-rw-r--r--src/compiler/glsl/ast.h3
-rw-r--r--src/compiler/glsl/ast_type.cpp28
-rw-r--r--src/compiler/glsl/glsl_parser.yy130
3 files changed, 84 insertions, 77 deletions
diff --git a/src/compiler/glsl/ast.h b/src/compiler/glsl/ast.h
index 62ccb9d4d34..7bbb58800a7 100644
--- a/src/compiler/glsl/ast.h
+++ b/src/compiler/glsl/ast.h
@@ -753,7 +753,8 @@ struct ast_type_qualifier {
bool merge_qualifier(YYLTYPE *loc,
_mesa_glsl_parse_state *state,
const ast_type_qualifier &q,
- bool is_single_layout_merge);
+ bool is_single_layout_merge,
+ bool is_multiple_layouts_merge = false);
/**
* Validate current qualifier against the global out one.
diff --git a/src/compiler/glsl/ast_type.cpp b/src/compiler/glsl/ast_type.cpp
index 20c0fcfae21..91050a5877a 100644
--- a/src/compiler/glsl/ast_type.cpp
+++ b/src/compiler/glsl/ast_type.cpp
@@ -183,15 +183,21 @@ validate_point_mode(YYLTYPE *loc,
}
/**
- * This function merges both duplicate identifies within a single layout and
- * multiple layout qualifiers on a single variable declaration. The
- * is_single_layout_merge param is used differentiate between the two.
+ * This function merges duplicate layout identifiers.
+ *
+ * It deals with duplicates within a single layout qualifier, among multiple
+ * layout qualifiers on a single declaration and on several declarations for
+ * the same variable.
+ *
+ * The is_single_layout_merge and is_multiple_layouts_merge parameters are
+ * used to differentiate among them.
*/
bool
ast_type_qualifier::merge_qualifier(YYLTYPE *loc,
_mesa_glsl_parse_state *state,
const ast_type_qualifier &q,
- bool is_single_layout_merge)
+ bool is_single_layout_merge,
+ bool is_multiple_layouts_merge)
{
bool r = true;
ast_type_qualifier ubo_mat_mask;
@@ -269,7 +275,8 @@ ast_type_qualifier::merge_qualifier(YYLTYPE *loc,
}
if (q.flags.q.max_vertices) {
- if (this->flags.q.max_vertices && !is_single_layout_merge) {
+ if (this->flags.q.max_vertices
+ && !is_single_layout_merge && !is_multiple_layouts_merge) {
this->max_vertices->merge_qualifier(q.max_vertices);
} else {
this->flags.q.max_vertices = 1;
@@ -287,7 +294,8 @@ ast_type_qualifier::merge_qualifier(YYLTYPE *loc,
}
if (q.flags.q.invocations) {
- if (this->flags.q.invocations && !is_single_layout_merge) {
+ if (this->flags.q.invocations
+ && !is_single_layout_merge && !is_multiple_layouts_merge) {
this->invocations->merge_qualifier(q.invocations);
} else {
this->flags.q.invocations = 1;
@@ -338,7 +346,7 @@ ast_type_qualifier::merge_qualifier(YYLTYPE *loc,
if (process_qualifier_constant(state, loc, "xfb_buffer",
this->xfb_buffer, &buff_idx)) {
if (state->out_qualifier->out_xfb_stride[buff_idx]
- && !is_single_layout_merge) {
+ && !is_single_layout_merge && !is_multiple_layouts_merge) {
state->out_qualifier->out_xfb_stride[buff_idx]->merge_qualifier(
new(state->linalloc) ast_layout_expression(*loc, this->xfb_stride));
} else {
@@ -350,7 +358,8 @@ ast_type_qualifier::merge_qualifier(YYLTYPE *loc,
}
if (q.flags.q.vertices) {
- if (this->flags.q.vertices && !is_single_layout_merge) {
+ if (this->flags.q.vertices
+ && !is_single_layout_merge && !is_multiple_layouts_merge) {
this->vertices->merge_qualifier(q.vertices);
} else {
this->flags.q.vertices = 1;
@@ -386,7 +395,8 @@ ast_type_qualifier::merge_qualifier(YYLTYPE *loc,
for (int i = 0; i < 3; i++) {
if (q.flags.q.local_size & (1 << i)) {
- if (this->local_size[i] && !is_single_layout_merge) {
+ if (this->local_size[i]
+ && !is_single_layout_merge && !is_multiple_layouts_merge) {
this->local_size[i]->merge_qualifier(q.local_size[i]);
} else {
this->local_size[i] = q.local_size[i];
diff --git a/src/compiler/glsl/glsl_parser.yy b/src/compiler/glsl/glsl_parser.yy
index 82501af6456..5a8f854ece8 100644
--- a/src/compiler/glsl/glsl_parser.yy
+++ b/src/compiler/glsl/glsl_parser.yy
@@ -297,10 +297,10 @@ static bool match_layout_qualifier(const char *s1, const char *s2,
%type <node> for_init_statement
%type <for_rest_statement> for_rest_statement
%type <node> layout_defaults
-%type <node> layout_uniform_defaults
-%type <node> layout_buffer_defaults
-%type <node> layout_in_defaults
-%type <node> layout_out_defaults
+%type <type_qualifier> layout_uniform_defaults
+%type <type_qualifier> layout_buffer_defaults
+%type <type_qualifier> layout_in_defaults
+%type <type_qualifier> layout_out_defaults
%right THEN ELSE
%%
@@ -1891,7 +1891,7 @@ type_qualifier:
_mesa_glsl_error(&@1, state, "duplicate layout(...) qualifiers");
$$ = $1;
- $$.merge_qualifier(&@1, state, $2, false);
+ $$.merge_qualifier(& @1, state, $2, false, $2.has_layout());
}
| subroutine_qualifier type_qualifier
{
@@ -2718,7 +2718,8 @@ interface_block:
YYERROR;
}
- if (!$1.merge_qualifier(& @1, state, block->layout, false)) {
+ if (!$1.merge_qualifier(& @1, state, block->layout, false,
+ block->layout.has_layout())) {
YYERROR;
}
@@ -2853,123 +2854,118 @@ member_declaration:
layout_uniform_defaults:
layout_qualifier layout_uniform_defaults
{
- $$ = NULL;
+ $$ = $1;
if (!state->has_420pack_or_es31()) {
_mesa_glsl_error(&@1, state, "duplicate layout(...) qualifiers");
YYERROR;
- } else {
- if (!state->default_uniform_qualifier->
- merge_qualifier(& @1, state, $1, false)) {
- YYERROR;
- }
}
- }
- | layout_qualifier UNIFORM ';'
- {
- if (!state->default_uniform_qualifier->
- merge_qualifier(& @1, state, $1, false)) {
+ if (!$$.merge_qualifier(& @1, state, $2, false, true)) {
YYERROR;
}
- $$ = NULL;
}
+ | layout_qualifier UNIFORM ';'
;
layout_buffer_defaults:
layout_qualifier layout_buffer_defaults
{
- $$ = NULL;
+ $$ = $1;
if (!state->has_420pack_or_es31()) {
_mesa_glsl_error(&@1, state, "duplicate layout(...) qualifiers");
YYERROR;
- } else {
- if (!state->default_shader_storage_qualifier->
- merge_qualifier(& @1, state, $1, false)) {
- YYERROR;
- }
}
- }
- | layout_qualifier BUFFER ';'
- {
- if (!state->default_shader_storage_qualifier->
- merge_qualifier(& @1, state, $1, false)) {
+ if (!$$.merge_qualifier(& @1, state, $2, false, true)) {
YYERROR;
}
-
- /* From the GLSL 4.50 spec, section 4.4.5:
- *
- * "It is a compile-time error to specify the binding identifier for
- * the global scope or for block member declarations."
- */
- if (state->default_shader_storage_qualifier->flags.q.explicit_binding) {
- _mesa_glsl_error(& @1, state,
- "binding qualifier cannot be set for default layout");
- }
-
- $$ = NULL;
}
+ | layout_qualifier BUFFER ';'
;
layout_in_defaults:
layout_qualifier layout_in_defaults
{
- $$ = NULL;
+ $$ = $1;
if (!state->has_420pack_or_es31()) {
_mesa_glsl_error(&@1, state, "duplicate layout(...) qualifiers");
YYERROR;
- } else {
- if (!$1.validate_in_qualifier(& @1, state)) {
- YYERROR;
- }
- if (!$1.merge_into_in_qualifier(& @1, state, $$, false)) {
- YYERROR;
- }
- $$ = $2;
+ }
+ if (!$$.merge_qualifier(& @1, state, $2, false, true)) {
+ YYERROR;
+ }
+ if (!$$.validate_in_qualifier(& @1, state)) {
+ YYERROR;
}
}
| layout_qualifier IN_TOK ';'
{
- $$ = NULL;
if (!$1.validate_in_qualifier(& @1, state)) {
YYERROR;
}
- if (!$1.merge_into_in_qualifier(& @1, state, $$, true)) {
- YYERROR;
- }
}
;
layout_out_defaults:
layout_qualifier layout_out_defaults
{
- $$ = NULL;
+ $$ = $1;
if (!state->has_420pack_or_es31()) {
_mesa_glsl_error(&@1, state, "duplicate layout(...) qualifiers");
YYERROR;
- } else {
- if (!$1.validate_out_qualifier(& @1, state)) {
- YYERROR;
- }
- if (!$1.merge_into_out_qualifier(& @1, state, $$, false)) {
- YYERROR;
- }
- $$ = $2;
+ }
+ if (!$$.merge_qualifier(& @1, state, $2, false, true)) {
+ YYERROR;
+ }
+ if (!$$.validate_out_qualifier(& @1, state)) {
+ YYERROR;
}
}
| layout_qualifier OUT_TOK ';'
{
- $$ = NULL;
if (!$1.validate_out_qualifier(& @1, state)) {
YYERROR;
}
- if (!$1.merge_into_out_qualifier(& @1, state, $$, true)) {
- YYERROR;
- }
}
;
layout_defaults:
layout_uniform_defaults
+ {
+ $$ = NULL;
+ if (!state->default_uniform_qualifier->
+ merge_qualifier(& @1, state, $1, false)) {
+ YYERROR;
+ }
+ }
| layout_buffer_defaults
+ {
+ $$ = NULL;
+ if (!state->default_shader_storage_qualifier->
+ merge_qualifier(& @1, state, $1, false)) {
+ YYERROR;
+ }
+
+ /* From the GLSL 4.50 spec, section 4.4.5:
+ *
+ * "It is a compile-time error to specify the binding identifier for
+ * the global scope or for block member declarations."
+ */
+ if (state->default_shader_storage_qualifier->flags.q.explicit_binding) {
+ _mesa_glsl_error(& @1, state,
+ "binding qualifier cannot be set for default layout");
+ }
+ }
| layout_in_defaults
+ {
+ $$ = NULL;
+ if (!$1.merge_into_in_qualifier(& @1, state, $$, true)) {
+ YYERROR;
+ }
+ }
| layout_out_defaults
+ {
+ $$ = NULL;
+ if (!$1.merge_into_out_qualifier(& @1, state, $$, true)) {
+ YYERROR;
+ }
+ }
;