diff options
Diffstat (limited to 'src/glsl')
| -rw-r--r-- | src/glsl/opt_cse.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/glsl/opt_cse.cpp b/src/glsl/opt_cse.cpp index 9c96835ddd5..b0b67f49696 100644 --- a/src/glsl/opt_cse.cpp +++ b/src/glsl/opt_cse.cpp @@ -194,6 +194,8 @@ is_cse_candidate_visitor::visit(ir_dereference_variable *ir) if (ir->var->data.read_only) { return visit_continue; } else { + if (debug) + printf("CSE: non-candidate: var %s is not read only\n", ir->var->name); ok = false; return visit_stop; } @@ -220,8 +222,11 @@ is_cse_candidate(ir_rvalue *ir) /* Our temporary variable assignment generation isn't ready to handle * anything bigger than a vector. */ - if (!ir->type->is_vector() && !ir->type->is_scalar()) + if (!ir->type->is_vector() && !ir->type->is_scalar()) { + if (debug) + printf("CSE: non-candidate: not a vector/scalar\n"); return false; + } /* Only handle expressions and textures currently. We may want to extend * to variable-index array dereferences at some point. @@ -231,6 +236,8 @@ is_cse_candidate(ir_rvalue *ir) case ir_type_texture: break; default: + if (debug) + printf("CSE: non-candidate: not an expression/texture\n"); return false; } |