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broadcom/vc5: Fix translation of transform feedback's output_register field. 

It's a NIR driver_location, not a slot offset.
This commit is contained in:
Eric Anholt 2017-10-02 13:02:32 -07:00
parent d8bc9c71df
commit bd94f6821e
1 changed files with 16 additions and 2 deletions
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18
src/gallium/drivers/vc5/vc5_program.c
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@ -36,6 +36,18 @@
#include "vc5_context.h"
#include "broadcom/cle/v3d_packet_v33_pack.h"
static gl_varying_slot
vc5_get_slot_for_driver_location(nir_shader *s, uint32_t driver_location)
{
nir_foreach_variable(var, &s->outputs) {
if (var->data.driver_location == driver_location) {
return var->data.location;
}
}
return -1;
}
static void
vc5_set_transform_feedback_outputs(struct vc5_uncompiled_shader *so,
const struct pipe_stream_output_info *stream_output)
@ -73,9 +85,11 @@ vc5_set_transform_feedback_outputs(struct vc5_uncompiled_shader *so,
* components of this varying.
*/
for (int j = 0; j < output->num_components; j++) {
gl_varying_slot slot =
vc5_get_slot_for_driver_location(so->base.ir.nir, output->register_index);
slots[slot_count] =
v3d_slot_from_slot_and_component(VARYING_SLOT_VAR0 +
output->register_index,
v3d_slot_from_slot_and_component(slot,
output->start_component + j);
slot_count++;
}