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-rw-r--r--src/glsl/ast.h6
-rw-r--r--src/glsl/ast_to_hir.cpp5
-rw-r--r--src/glsl/ast_type.cpp81
-rw-r--r--src/glsl/glsl_parser.yy57
-rw-r--r--src/glsl/glsl_parser_extras.cpp6
-rw-r--r--src/glsl/glsl_parser_extras.h7
6 files changed, 96 insertions, 66 deletions
diff --git a/src/glsl/ast.h b/src/glsl/ast.h
index 9140ca13cda..c4f28b0cc90 100644
--- a/src/glsl/ast.h
+++ b/src/glsl/ast.h
@@ -587,6 +587,12 @@ struct ast_type_qualifier {
bool merge_qualifier(YYLTYPE *loc,
_mesa_glsl_parse_state *state,
ast_type_qualifier q);
+
+ bool merge_in_qualifier(YYLTYPE *loc,
+ _mesa_glsl_parse_state *state,
+ ast_type_qualifier q,
+ ast_node* &node);
+
};
class ast_declarator_list;
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index e731d839d2a..f754652dc9c 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -2842,7 +2842,7 @@ handle_geometry_shader_input_decl(struct _mesa_glsl_parse_state *state,
{
unsigned num_vertices = 0;
if (state->gs_input_prim_type_specified) {
- num_vertices = vertices_per_prim(state->gs_input_prim_type);
+ num_vertices = vertices_per_prim(state->in_qualifier->prim_type);
}
/* Geometry shader input variables must be arrays. Caller should have
@@ -5332,7 +5332,7 @@ ast_gs_input_layout::hir(exec_list *instructions,
* was consistent with this one.
*/
if (state->gs_input_prim_type_specified &&
- state->gs_input_prim_type != this->prim_type) {
+ state->in_qualifier->prim_type != this->prim_type) {
_mesa_glsl_error(&loc, state,
"geometry shader input layout does not match"
" previous declaration");
@@ -5353,7 +5353,6 @@ ast_gs_input_layout::hir(exec_list *instructions,
}
state->gs_input_prim_type_specified = true;
- state->gs_input_prim_type = this->prim_type;
/* If any shader inputs occurred before this declaration and did not
* specify an array size, their size is determined now.
diff --git a/src/glsl/ast_type.cpp b/src/glsl/ast_type.cpp
index 200566c6d3f..2f36cf43c11 100644
--- a/src/glsl/ast_type.cpp
+++ b/src/glsl/ast_type.cpp
@@ -198,3 +198,84 @@ ast_type_qualifier::merge_qualifier(YYLTYPE *loc,
return true;
}
+bool
+ast_type_qualifier::merge_in_qualifier(YYLTYPE *loc,
+ _mesa_glsl_parse_state *state,
+ ast_type_qualifier q,
+ ast_node* &node)
+{
+ void *mem_ctx = state;
+ bool create_gs_ast = false;
+ bool create_cs_ast = false;
+
+ switch (state->stage) {
+ case MESA_SHADER_GEOMETRY:
+ if (q.flags.q.prim_type) {
+ /* Make sure this is a valid input primitive type. */
+ switch (q.prim_type) {
+ case GL_POINTS:
+ case GL_LINES:
+ case GL_LINES_ADJACENCY:
+ case GL_TRIANGLES:
+ case GL_TRIANGLES_ADJACENCY:
+ break;
+ default:
+ _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;
+ break;
+ case MESA_SHADER_FRAGMENT:
+ if (q.flags.q.early_fragment_tests) {
+ state->early_fragment_tests = true;
+ } else {
+ _mesa_glsl_error(loc, state, "invalid input layout qualifier");
+ }
+ break;
+ case MESA_SHADER_COMPUTE:
+ create_cs_ast |=
+ q.flags.q.local_size != 0 &&
+ state->in_qualifier->flags.q.local_size == 0;
+ break;
+ default:
+ _mesa_glsl_error(loc, state,
+ "input layout qualifiers only valid in "
+ "geometry, fragment and compute shaders");
+ 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) {
+ _mesa_glsl_error(loc, state,
+ "conflicting input primitive types specified");
+ }
+ } else if (q.flags.q.prim_type) {
+ state->in_qualifier->flags.q.prim_type = 1;
+ state->in_qualifier->prim_type = q.prim_type;
+ }
+
+ if (create_gs_ast) {
+ node = new(mem_ctx) ast_gs_input_layout(*loc, q.prim_type);
+ } else if (create_cs_ast) {
+ /* Infer a local_size of 1 for every unspecified dimension */
+ unsigned local_size[3];
+ for (int i = 0; i < 3; i++) {
+ if (q.flags.q.local_size & (1 << i))
+ local_size[i] = q.local_size[i];
+ else
+ local_size[i] = 1;
+ }
+ node = new(mem_ctx) ast_cs_input_layout(*loc, local_size);
+ }
+
+ return true;
+}
diff --git a/src/glsl/glsl_parser.yy b/src/glsl/glsl_parser.yy
index 369da5034d6..c3fa4555e14 100644
--- a/src/glsl/glsl_parser.yy
+++ b/src/glsl/glsl_parser.yy
@@ -2487,62 +2487,9 @@ layout_defaults:
| layout_qualifier IN_TOK ';'
{
- void *ctx = state;
$$ = NULL;
- switch (state->stage) {
- case MESA_SHADER_GEOMETRY: {
- if (!$1.flags.q.prim_type) {
- _mesa_glsl_error(& @1, state,
- "input layout qualifiers must specify a primitive"
- " type");
- } else {
- /* Make sure this is a valid input primitive type. */
- switch ($1.prim_type) {
- case GL_POINTS:
- case GL_LINES:
- case GL_LINES_ADJACENCY:
- case GL_TRIANGLES:
- case GL_TRIANGLES_ADJACENCY:
- $$ = new(ctx) ast_gs_input_layout(@1, $1.prim_type);
- break;
- default:
- _mesa_glsl_error(&@1, state,
- "invalid geometry shader input primitive type");
- break;
- }
- }
- }
- break;
- case MESA_SHADER_FRAGMENT:
- if ($1.flags.q.early_fragment_tests) {
- state->early_fragment_tests = true;
- } else {
- _mesa_glsl_error(& @1, state, "invalid input layout qualifier");
- }
- break;
- case MESA_SHADER_COMPUTE: {
- if ($1.flags.q.local_size == 0) {
- _mesa_glsl_error(& @1, state,
- "input layout qualifiers must specify a local "
- "size");
- } else {
- /* Infer a local_size of 1 for every unspecified dimension */
- unsigned local_size[3];
- for (int i = 0; i < 3; i++) {
- if ($1.flags.q.local_size & (1 << i))
- local_size[i] = $1.local_size[i];
- else
- local_size[i] = 1;
- }
- $$ = new(ctx) ast_cs_input_layout(@1, local_size);
- }
- }
- break;
- default:
- _mesa_glsl_error(& @1, state,
- "input layout qualifiers only valid in "
- "geometry, fragment and compute shaders");
- break;
+ if (!state->in_qualifier->merge_in_qualifier(& @1, state, $1, $$)) {
+ YYERROR;
}
}
diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp
index 901124d2c39..f102b11bc6d 100644
--- a/src/glsl/glsl_parser_extras.cpp
+++ b/src/glsl/glsl_parser_extras.cpp
@@ -202,8 +202,8 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx,
this->default_uniform_qualifier->flags.q.column_major = 1;
this->gs_input_prim_type_specified = false;
- this->gs_input_prim_type = GL_POINTS;
this->gs_input_size = 0;
+ this->in_qualifier = new(this) ast_type_qualifier();
this->out_qualifier = new(this) ast_type_qualifier();
this->early_fragment_tests = false;
memset(this->atomic_counter_offsets, 0,
@@ -1348,7 +1348,7 @@ set_shader_inout_layout(struct gl_shader *shader,
{
if (shader->Stage != MESA_SHADER_GEOMETRY) {
/* Should have been prevented by the parser. */
- assert(!state->gs_input_prim_type_specified);
+ assert(!state->in_qualifier->flags.i);
assert(!state->out_qualifier->flags.i);
}
@@ -1364,7 +1364,7 @@ set_shader_inout_layout(struct gl_shader *shader,
shader->Geom.VerticesOut = state->out_qualifier->max_vertices;
if (state->gs_input_prim_type_specified) {
- shader->Geom.InputType = state->gs_input_prim_type;
+ shader->Geom.InputType = state->in_qualifier->prim_type;
} else {
shader->Geom.InputType = PRIM_UNKNOWN;
}
diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index ad4ef014687..d98474e6572 100644
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -190,11 +190,8 @@ struct _mesa_glsl_parse_state {
*/
bool gs_input_prim_type_specified;
- /**
- * If gs_input_prim_type_specified is true, the primitive type that was
- * specified. Otherwise ignored.
- */
- GLenum gs_input_prim_type;
+ /** Input layout qualifiers from GLSL 1.50. (geometry shader controls)*/
+ struct ast_type_qualifier *in_qualifier;
/**
* True if a compute shader input local size was specified using a layout