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i965: Add var->location != -1 assertions.

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We shouldn't receive variables with invalid locations set - adding these
assertions should help catch problems before they cause crashes later.

Inspired by similar code in st_glsl_to_tgsi.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Kenneth Graunke 2014-12-01 13:44:04 -08:00
parent b5b18e4687
commit bcc7eb115e
2 changed files with 3 additions and 0 deletions
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1
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
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@ -57,6 +57,7 @@ fs_visitor::visit(ir_variable *ir)
return;
if (ir->data.mode == ir_var_shader_in) {
assert(ir->data.location != -1);
if (!strcmp(ir->name, "gl_FragCoord")) {
reg = emit_fragcoord_interpolation(ir);
} else if (!strcmp(ir->name, "gl_FrontFacing")) {

2
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
View file

@ -1020,10 +1020,12 @@ vec4_visitor::visit(ir_variable *ir)
switch (ir->data.mode) {
case ir_var_shader_in:
assert(ir->data.location != -1);
reg = new(mem_ctx) dst_reg(ATTR, ir->data.location);
break;
case ir_var_shader_out:
assert(ir->data.location != -1);
reg = new(mem_ctx) dst_reg(this, ir->type);
for (int i = 0; i < type_size(ir->type); i++) {