glsl: Add ir support for `sample` qualifier; adjust compiler and linker
Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index 21c1bdd..9e8eca5 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -765,6 +765,12 @@
mode_string(var), var->name);
return;
}
+ if (existing->sample != var->sample) {
+ linker_error(prog, "declarations for %s `%s` have "
+ "mismatching sample qualifiers\n",
+ mode_string(var), var->name);
+ return;
+ }
} else
variables.add_variable(var);
}