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-rw-r--r--src/compiler/glsl/ast.h16
-rw-r--r--src/compiler/glsl/ast_type.cpp80
-rw-r--r--src/compiler/glsl/glsl_parser.yy13
3 files changed, 72 insertions, 37 deletions
diff --git a/src/compiler/glsl/ast.h b/src/compiler/glsl/ast.h
index e7c3aff6b82..14936f1cebe 100644
--- a/src/compiler/glsl/ast.h
+++ b/src/compiler/glsl/ast.h
@@ -755,10 +755,18 @@ struct ast_type_qualifier {
const ast_type_qualifier &q,
bool is_single_layout_merge);
- bool merge_out_qualifier(YYLTYPE *loc,
- _mesa_glsl_parse_state *state,
- const ast_type_qualifier &q,
- ast_node* &node, bool create_node);
+ /**
+ * Validate current qualifier against the global out one.
+ */
+ bool validate_out_qualifier(YYLTYPE *loc,
+ _mesa_glsl_parse_state *state);
+
+ /**
+ * Merge current qualifier into the global out one.
+ */
+ bool merge_into_out_qualifier(YYLTYPE *loc,
+ _mesa_glsl_parse_state *state,
+ ast_node* &node, bool create_node);
bool merge_in_qualifier(YYLTYPE *loc,
_mesa_glsl_parse_state *state,
diff --git a/src/compiler/glsl/ast_type.cpp b/src/compiler/glsl/ast_type.cpp
index 48afe09929b..b61e1a765a2 100644
--- a/src/compiler/glsl/ast_type.cpp
+++ b/src/compiler/glsl/ast_type.cpp
@@ -368,33 +368,30 @@ ast_type_qualifier::merge_qualifier(YYLTYPE *loc,
}
bool
-ast_type_qualifier::merge_out_qualifier(YYLTYPE *loc,
- _mesa_glsl_parse_state *state,
- const ast_type_qualifier &q,
- ast_node* &node, bool create_node)
+ast_type_qualifier::validate_out_qualifier(YYLTYPE *loc,
+ _mesa_glsl_parse_state *state)
{
- const bool r = this->merge_qualifier(loc, state, q, false);
+ bool r = true;
ast_type_qualifier valid_out_mask;
valid_out_mask.flags.i = 0;
- if (state->stage == MESA_SHADER_GEOMETRY) {
- if (q.flags.q.prim_type) {
+ switch (state->stage) {
+ case MESA_SHADER_GEOMETRY:
+ if (this->flags.q.prim_type) {
/* Make sure this is a valid output primitive type. */
- switch (q.prim_type) {
+ switch (this->prim_type) {
case GL_POINTS:
case GL_LINE_STRIP:
case GL_TRIANGLE_STRIP:
break;
default:
+ r = false;
_mesa_glsl_error(loc, state, "invalid geometry shader output "
"primitive type");
break;
}
}
- /* Allow future assigments of global out's stream id value */
- this->flags.q.explicit_stream = 0;
-
valid_out_mask.flags.q.stream = 1;
valid_out_mask.flags.q.explicit_stream = 1;
valid_out_mask.flags.q.explicit_xfb_buffer = 1;
@@ -403,43 +400,68 @@ ast_type_qualifier::merge_out_qualifier(YYLTYPE *loc,
valid_out_mask.flags.q.xfb_stride = 1;
valid_out_mask.flags.q.max_vertices = 1;
valid_out_mask.flags.q.prim_type = 1;
- } else if (state->stage == MESA_SHADER_TESS_CTRL) {
- if (create_node) {
- node = new(state->linalloc) ast_tcs_output_layout(*loc);
- }
+ break;
+ case MESA_SHADER_TESS_CTRL:
valid_out_mask.flags.q.vertices = 1;
valid_out_mask.flags.q.explicit_xfb_buffer = 1;
valid_out_mask.flags.q.xfb_buffer = 1;
valid_out_mask.flags.q.explicit_xfb_stride = 1;
valid_out_mask.flags.q.xfb_stride = 1;
- } else if (state->stage == MESA_SHADER_TESS_EVAL ||
- state->stage == MESA_SHADER_VERTEX) {
+ break;
+ case MESA_SHADER_TESS_EVAL:
+ case MESA_SHADER_VERTEX:
valid_out_mask.flags.q.explicit_xfb_buffer = 1;
valid_out_mask.flags.q.xfb_buffer = 1;
valid_out_mask.flags.q.explicit_xfb_stride = 1;
valid_out_mask.flags.q.xfb_stride = 1;
- } else if (state->stage == MESA_SHADER_FRAGMENT) {
+ break;
+ case MESA_SHADER_FRAGMENT:
valid_out_mask.flags.q.blend_support = 1;
- } else {
- _mesa_glsl_error(loc, state, "out layout qualifiers only valid in "
- "geometry, tessellation and vertex shaders");
- return false;
+ break;
+ default:
+ r = false;
+ _mesa_glsl_error(loc, state,
+ "out layout qualifiers only valid in "
+ "geometry, tessellation, vertex and fragment shaders");
}
- /* Allow future assigments of global out's */
- this->flags.q.explicit_xfb_buffer = 0;
- this->flags.q.explicit_xfb_stride = 0;
-
- /* Generate an error when invalid input layout qualifiers are used. */
- if ((q.flags.i & ~valid_out_mask.flags.i) != 0) {
+ /* Generate an error when invalid output layout qualifiers are used. */
+ if ((this->flags.i & ~valid_out_mask.flags.i) != 0) {
+ r = false;
_mesa_glsl_error(loc, state, "invalid output layout qualifiers used");
- return false;
}
return r;
}
bool
+ast_type_qualifier::merge_into_out_qualifier(YYLTYPE *loc,
+ _mesa_glsl_parse_state *state,
+ ast_node* &node, bool create_node)
+{
+ const bool r = state->out_qualifier->merge_qualifier(loc, state,
+ *this, false);
+
+ switch (state->stage) {
+ case MESA_SHADER_GEOMETRY:
+ /* Allow future assignments of global out's stream id value */
+ state->out_qualifier->flags.q.explicit_stream = 0;
+ break;
+ case MESA_SHADER_TESS_CTRL:
+ if (create_node)
+ node = new(state->linalloc) ast_tcs_output_layout(*loc);
+ break;
+ default:
+ break;
+ }
+
+ /* Allow future assignments of global out's */
+ state->out_qualifier->flags.q.explicit_xfb_buffer = 0;
+ state->out_qualifier->flags.q.explicit_xfb_stride = 0;
+
+ return r;
+}
+
ast_type_qualifier::merge_in_qualifier(YYLTYPE *loc,
_mesa_glsl_parse_state *state,
const ast_type_qualifier &q,
diff --git a/src/compiler/glsl/glsl_parser.yy b/src/compiler/glsl/glsl_parser.yy
index f0f212c1722..a96989bee9b 100644
--- a/src/compiler/glsl/glsl_parser.yy
+++ b/src/compiler/glsl/glsl_parser.yy
@@ -2942,8 +2942,10 @@ layout_out_defaults:
_mesa_glsl_error(&@1, state, "duplicate layout(...) qualifiers");
YYERROR;
} else {
- if (!state->out_qualifier->
- merge_out_qualifier(& @1, state, $1, $$, false)) {
+ if (!$1.validate_out_qualifier(& @1, state)) {
+ YYERROR;
+ }
+ if (!$1.merge_into_out_qualifier(& @1, state, $$, false)) {
YYERROR;
}
$$ = $2;
@@ -2952,9 +2954,12 @@ layout_out_defaults:
| layout_qualifier OUT_TOK ';'
{
$$ = NULL;
- if (!state->out_qualifier->
- merge_out_qualifier(& @1, state, $1, $$, true))
+ if (!$1.validate_out_qualifier(& @1, state)) {
YYERROR;
+ }
+ if (!$1.merge_into_out_qualifier(& @1, state, $$, true)) {
+ YYERROR;
+ }
}
;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 11:40:04 +0000