fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-06-03 00:18:29 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

i965: Fix the vector/expression splitting for the write_mask change.

Browse source 
+113 piglits.
This commit is contained in:
Eric Anholt 2010-09-22 14:14:30 -07:00
parent 4bb42a4f7e
commit d74bab1fb6
2 changed files with 1 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
View file

@ -128,10 +128,7 @@ ir_channel_expressions_visitor::assign(ir_assignment *ir, int elem, ir_rvalue *v
*/
assert(ir->write_mask == (1 << ir->lhs->type->components()) - 1);
/* Smear the float across all the channels for the masked write. */
val_swiz = new(mem_ctx) ir_swizzle(val, 0, 0, 0, 0,
ir->lhs->type->components());
assign = new(mem_ctx) ir_assignment(lhs, val_swiz, NULL, (1 << elem));
assign = new(mem_ctx) ir_assignment(lhs, val, NULL, (1 << elem));
ir->insert_before(assign);
}

3
src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp
View file

@ -281,9 +281,6 @@ ir_vector_splitting_visitor::visit_leave(ir_assignment *ir)
if (rhs) {
new_rhs = new(mem_ctx) ir_dereference_variable(rhs->components[i]);
/* If we're writing into a writemask, smear it out to that channel. */
if (!lhs)
new_rhs = new(mem_ctx) ir_swizzle(new_rhs, i, i, i, i, i + 1);
} else {
new_rhs = new(mem_ctx) ir_swizzle(ir->rhs->clone(mem_ctx, NULL),
i, i, i, i, 1);