From: Chris Forbes <chr...@ijw.co.nz>
Signed-off-by: Chris Forbes <chr...@ijw.co.nz>
---
src/glsl/ast_to_hir.cpp | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 32e7f7f..78bff9d 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -5871,16 +5871,28 @@ ast_interface_block::hir(exec_list *instructions,
if (ir_variable *earlier_gl_Position =
state->symbols->get_variable("gl_Position")) {
earlier_per_vertex = earlier_gl_Position->get_interface_type();
+ } else if (ir_variable *earlier_gl_out =
+ state->symbols->get_variable("gl_out")) {
+ earlier_per_vertex = earlier_gl_out->get_interface_type();
} else {
_mesa_glsl_error(&loc, state,
"redeclaration of gl_PerVertex output not "
"allowed in the %s shader",
_mesa_shader_stage_to_string(state->stage));
}
- if (this->instance_name != NULL) {
- _mesa_glsl_error(&loc, state,
- "gl_PerVertex output may not be redeclared with "
- "an instance name");
+ if (state->stage == MESA_SHADER_TESS_CTRL) {
+ if (this->instance_name == NULL ||
+ strcmp(this->instance_name, "gl_out") != 0 ||
this->array_specifier == NULL) {
+ _mesa_glsl_error(&loc, state,
+ "gl_PerVertex output must be redeclared as "
+ "gl_out[]");
+ }
+ } else {
+ if (this->instance_name != NULL) {
+ _mesa_glsl_error(&loc, state,
+ "gl_PerVertex output may not be redeclared
with "
+ "an instance name");
+ }
}
break;
default:
--
2.1.0
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