Chris,
Similar to my attempt to backport 0967c362, I'm seeing issues with the
steam client on gm45 with this. Does steam look okay for you on your
9.1 patches with ILK?
-Jordan
On Fri, Apr 26, 2013 at 6:20 PM, Chris Forbes <chr...@ijw.co.nz> wrote:
> This is roughly a backport of Paul's commit 0967c362.
>
> We avoided assigning a slot in the VUE map for gl_ClipVertex, but left
> the bit set in outputs_written, producing horrible confusion further
> down the pipe.
>
> Mostly fixes rendering in source games, and probably in Freespace 2 SCP.
>
> Signed-off-by: Chris Forbes <chr...@ijw.co.nz>
> ---
> src/mesa/drivers/dri/i965/brw_vs.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_vs.c
> b/src/mesa/drivers/dri/i965/brw_vs.c
> index 0810471..bd1ace2 100644
> --- a/src/mesa/drivers/dri/i965/brw_vs.c
> +++ b/src/mesa/drivers/dri/i965/brw_vs.c
> @@ -62,9 +62,13 @@ brw_compute_vue_map(struct brw_context *brw, struct
> brw_vs_compile *c)
> {
> const struct intel_context *intel = &brw->intel;
> struct brw_vue_map *vue_map = &c->prog_data.vue_map;
> - GLbitfield64 outputs_written = c->prog_data.outputs_written;
> + GLbitfield64 outputs_written;
> int i;
>
> + if (intel->gen < 6)
> + c->prog_data.outputs_written &= ~VERT_RESULT_CLIP_VERTEX;
> + outputs_written = c->prog_data.outputs_written;
> +
> vue_map->num_slots = 0;
> for (i = 0; i < BRW_VERT_RESULT_MAX; ++i) {
> vue_map->vert_result_to_slot[i] = -1;
> @@ -150,8 +154,6 @@ brw_compute_vue_map(struct brw_context *brw, struct
> brw_vs_compile *c)
> * feedback is enabled or disabled, just go ahead and assign a slot for
> it.
> */
> for (int i = 0; i < VERT_RESULT_MAX; ++i) {
> - if (intel->gen < 6 && i == VERT_RESULT_CLIP_VERTEX)
> - continue;
> if ((outputs_written & BITFIELD64_BIT(i)) &&
> vue_map->vert_result_to_slot[i] == -1) {
> assign_vue_slot(vue_map, i);
> --
> 1.8.2.1
>
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