diff options
Diffstat (limited to 'src/compiler')
-rw-r--r-- | src/compiler/glsl/ast.h | 16 | ||||
-rw-r--r-- | src/compiler/glsl/ast_type.cpp | 127 | ||||
-rw-r--r-- | src/compiler/glsl/glsl_parser.yy | 12 |
3 files changed, 93 insertions, 62 deletions
diff --git a/src/compiler/glsl/ast.h b/src/compiler/glsl/ast.h index 14936f1cebe..62ccb9d4d34 100644 --- a/src/compiler/glsl/ast.h +++ b/src/compiler/glsl/ast.h @@ -768,10 +768,18 @@ struct ast_type_qualifier { _mesa_glsl_parse_state *state, ast_node* &node, bool create_node); - bool merge_in_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 in one. + */ + bool validate_in_qualifier(YYLTYPE *loc, + _mesa_glsl_parse_state *state); + + /** + * Merge current qualifier into the global in one. + */ + bool merge_into_in_qualifier(YYLTYPE *loc, + _mesa_glsl_parse_state *state, + ast_node* &node, bool create_node); bool validate_flags(YYLTYPE *loc, _mesa_glsl_parse_state *state, diff --git a/src/compiler/glsl/ast_type.cpp b/src/compiler/glsl/ast_type.cpp index b61e1a765a2..65e4ca6c779 100644 --- a/src/compiler/glsl/ast_type.cpp +++ b/src/compiler/glsl/ast_type.cpp @@ -462,27 +462,25 @@ ast_type_qualifier::merge_into_out_qualifier(YYLTYPE *loc, return r; } -ast_type_qualifier::merge_in_qualifier(YYLTYPE *loc, - _mesa_glsl_parse_state *state, - const ast_type_qualifier &q, - ast_node* &node, bool create_node) +bool +ast_type_qualifier::validate_in_qualifier(YYLTYPE *loc, + _mesa_glsl_parse_state *state) { - void *lin_ctx = state->linalloc; - bool create_gs_ast = false; - bool create_cs_ast = false; + bool r = true; ast_type_qualifier valid_in_mask; valid_in_mask.flags.i = 0; switch (state->stage) { case MESA_SHADER_TESS_EVAL: - if (q.flags.q.prim_type) { + if (this->flags.q.prim_type) { /* Make sure this is a valid input primitive type. */ - switch (q.prim_type) { + switch (this->prim_type) { case GL_TRIANGLES: case GL_QUADS: case GL_ISOLINES: break; default: + r = false; _mesa_glsl_error(loc, state, "invalid tessellation evaluation " "shader input primitive type"); @@ -496,9 +494,9 @@ ast_type_qualifier::merge_in_qualifier(YYLTYPE *loc, valid_in_mask.flags.q.point_mode = 1; break; case MESA_SHADER_GEOMETRY: - if (q.flags.q.prim_type) { + if (this->flags.q.prim_type) { /* Make sure this is a valid input primitive type. */ - switch (q.prim_type) { + switch (this->prim_type) { case GL_POINTS: case GL_LINES: case GL_LINES_ADJACENCY: @@ -506,16 +504,13 @@ ast_type_qualifier::merge_in_qualifier(YYLTYPE *loc, case GL_TRIANGLES_ADJACENCY: break; default: + r = false; _mesa_glsl_error(loc, state, "invalid geometry shader input primitive type"); break; } } - create_gs_ast |= - q.flags.q.prim_type && - !state->in_qualifier->flags.q.prim_type; - valid_in_mask.flags.q.prim_type = 1; valid_in_mask.flags.q.invocations = 1; break; @@ -523,97 +518,121 @@ ast_type_qualifier::merge_in_qualifier(YYLTYPE *loc, valid_in_mask.flags.q.early_fragment_tests = 1; break; case MESA_SHADER_COMPUTE: - create_cs_ast |= - q.flags.q.local_size != 0 && - state->in_qualifier->flags.q.local_size == 0; - valid_in_mask.flags.q.local_size = 7; valid_in_mask.flags.q.local_size_variable = 1; break; default: + r = false; _mesa_glsl_error(loc, state, "input layout qualifiers only valid in " - "geometry, fragment and compute shaders"); + "geometry, tessellation, fragment and compute shaders"); break; } /* Generate an error when invalid input layout qualifiers are used. */ - if ((q.flags.i & ~valid_in_mask.flags.i) != 0) { + if ((this->flags.i & ~valid_in_mask.flags.i) != 0) { + r = false; _mesa_glsl_error(loc, state, "invalid input layout qualifiers used"); - return false; + } + + return r; +} + +bool +ast_type_qualifier::merge_into_in_qualifier(YYLTYPE *loc, + _mesa_glsl_parse_state *state, + ast_node* &node, bool create_node) +{ + void *lin_ctx = state->linalloc; + bool create_gs_ast = false; + bool create_cs_ast = false; + + switch (state->stage) { + case MESA_SHADER_GEOMETRY: + create_gs_ast |= + this->flags.q.prim_type && + !state->in_qualifier->flags.q.prim_type; + break; + case MESA_SHADER_COMPUTE: + create_cs_ast |= + this->flags.q.local_size != 0 && + state->in_qualifier->flags.q.local_size == 0; + break; + default: + break; } /* Input layout qualifiers can be specified multiple * times in separate declarations, as long as they match. */ - if (this->flags.q.prim_type) { - if (q.flags.q.prim_type && - this->prim_type != q.prim_type) { + if (state->in_qualifier->flags.q.prim_type) { + if (this->flags.q.prim_type && + state->in_qualifier->prim_type != this->prim_type) { _mesa_glsl_error(loc, state, "conflicting input primitive %s specified", state->stage == MESA_SHADER_GEOMETRY ? "type" : "mode"); } - } else if (q.flags.q.prim_type) { + } else if (this->flags.q.prim_type) { state->in_qualifier->flags.q.prim_type = 1; - state->in_qualifier->prim_type = q.prim_type; + state->in_qualifier->prim_type = this->prim_type; } - if (q.flags.q.invocations) { - this->flags.q.invocations = 1; - if (this->invocations) { - this->invocations->merge_qualifier(q.invocations); + if (this->flags.q.invocations) { + state->in_qualifier->flags.q.invocations = 1; + if (state->in_qualifier->invocations) { + state->in_qualifier->invocations->merge_qualifier(this->invocations); } else { - this->invocations = q.invocations; + state->in_qualifier->invocations = this->invocations; } } - if (q.flags.q.early_fragment_tests) { + if (this->flags.q.early_fragment_tests) { state->fs_early_fragment_tests = true; } - if (this->flags.q.vertex_spacing) { - if (q.flags.q.vertex_spacing && - this->vertex_spacing != q.vertex_spacing) { + if (state->in_qualifier->flags.q.vertex_spacing) { + if (this->flags.q.vertex_spacing && + state->in_qualifier->vertex_spacing != this->vertex_spacing) { _mesa_glsl_error(loc, state, "conflicting vertex spacing specified"); } - } else if (q.flags.q.vertex_spacing) { - this->flags.q.vertex_spacing = 1; - this->vertex_spacing = q.vertex_spacing; + } else if (this->flags.q.vertex_spacing) { + state->in_qualifier->flags.q.vertex_spacing = 1; + state->in_qualifier->vertex_spacing = this->vertex_spacing; } - if (this->flags.q.ordering) { - if (q.flags.q.ordering && - this->ordering != q.ordering) { + if (state->in_qualifier->flags.q.ordering) { + if (this->flags.q.ordering && + state->in_qualifier->ordering != this->ordering) { _mesa_glsl_error(loc, state, "conflicting ordering specified"); } - } else if (q.flags.q.ordering) { - this->flags.q.ordering = 1; - this->ordering = q.ordering; + } else if (this->flags.q.ordering) { + state->in_qualifier->flags.q.ordering = 1; + state->in_qualifier->ordering = this->ordering; } - if (this->flags.q.point_mode) { - if (q.flags.q.point_mode && - this->point_mode != q.point_mode) { + if (state->in_qualifier->flags.q.point_mode) { + if (this->flags.q.point_mode && + state->in_qualifier->point_mode != this->point_mode) { _mesa_glsl_error(loc, state, "conflicting point mode specified"); } - } else if (q.flags.q.point_mode) { - this->flags.q.point_mode = 1; - this->point_mode = q.point_mode; + } else if (this->flags.q.point_mode) { + state->in_qualifier->flags.q.point_mode = 1; + state->in_qualifier->point_mode = this->point_mode; } - if (q.flags.q.local_size_variable) { + if (this->flags.q.local_size_variable) { state->cs_input_local_size_variable_specified = true; } if (create_node) { if (create_gs_ast) { - node = new(lin_ctx) ast_gs_input_layout(*loc, q.prim_type); + node = new(lin_ctx) ast_gs_input_layout(*loc, this->prim_type); } else if (create_cs_ast) { - node = new(lin_ctx) ast_cs_input_layout(*loc, q.local_size); + node = new(lin_ctx) ast_cs_input_layout(*loc, this->local_size); } } diff --git a/src/compiler/glsl/glsl_parser.yy b/src/compiler/glsl/glsl_parser.yy index a96989bee9b..82501af6456 100644 --- a/src/compiler/glsl/glsl_parser.yy +++ b/src/compiler/glsl/glsl_parser.yy @@ -2917,8 +2917,10 @@ layout_in_defaults: _mesa_glsl_error(&@1, state, "duplicate layout(...) qualifiers"); YYERROR; } else { - if (!state->in_qualifier-> - merge_in_qualifier(& @1, state, $1, $$, false)) { + if (!$1.validate_in_qualifier(& @1, state)) { + YYERROR; + } + if (!$1.merge_into_in_qualifier(& @1, state, $$, false)) { YYERROR; } $$ = $2; @@ -2927,8 +2929,10 @@ layout_in_defaults: | layout_qualifier IN_TOK ';' { $$ = NULL; - if (!state->in_qualifier-> - merge_in_qualifier(& @1, state, $1, $$, true)) { + if (!$1.validate_in_qualifier(& @1, state)) { + YYERROR; + } + if (!$1.merge_into_in_qualifier(& @1, state, $$, true)) { YYERROR; } } |