From 47a6ae678489d7082b5d7da35d1a92b4233fb5eb Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 7 Jul 2011 08:34:33 +0200 Subject: mesa xkbcomp git update 7 Juli 2011 --- mesalib/src/glsl/opt_constant_propagation.cpp | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) (limited to 'mesalib/src/glsl/opt_constant_propagation.cpp') diff --git a/mesalib/src/glsl/opt_constant_propagation.cpp b/mesalib/src/glsl/opt_constant_propagation.cpp index 4425f4211..af77e4906 100644 --- a/mesalib/src/glsl/opt_constant_propagation.cpp +++ b/mesalib/src/glsl/opt_constant_propagation.cpp @@ -51,11 +51,23 @@ public: this->var = var; this->write_mask = write_mask; this->constant = constant; + this->initial_values = write_mask; + } + + acp_entry(const acp_entry *src) + { + this->var = src->var; + this->write_mask = src->write_mask; + this->constant = src->constant; + this->initial_values = src->initial_values; } ir_variable *var; ir_constant *constant; unsigned write_mask; + + /** Mask of values initially available in the constant. */ + unsigned initial_values; }; @@ -172,7 +184,7 @@ ir_constant_propagation_visitor::handle_rvalue(ir_rvalue **rvalue) for (int j = 0; j < 4; j++) { if (j == channel) break; - if (found->write_mask & (1 << j)) + if (found->initial_values & (1 << j)) rhs_channel++; } @@ -285,8 +297,7 @@ ir_constant_propagation_visitor::handle_if_block(exec_list *instructions) /* Populate the initial acp with a constant of the original */ foreach_iter(exec_list_iterator, iter, *orig_acp) { acp_entry *a = (acp_entry *)iter.get(); - this->acp->push_tail(new(this->mem_ctx) acp_entry(a->var, a->write_mask, - a->constant)); + this->acp->push_tail(new(this->mem_ctx) acp_entry(a)); } visit_list_elements(this, instructions); -- cgit v1.2.3