Mesa (main): mesa/st: Clean up a bit of st_prepare_vertex_program().
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Thu May 5 23:11:15 UTC 2022
Module: Mesa
Branch: main
Commit: 74056f635887ebcc9d24a67d9b2182dfef022bac
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=74056f635887ebcc9d24a67d9b2182dfef022bac
Author: Emma Anholt <emma at anholt.net>
Date: Fri Apr 8 16:48:16 2022 -0700
mesa/st: Clean up a bit of st_prepare_vertex_program().
Now that the input attrib mapping is gone, this is simpler.
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Reviewed-by: Timothy Arceri <tarceri at itsqueeze.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8044>
---
src/mesa/state_tracker/st_program.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 29161c4d557..159658a2b8a 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -425,20 +425,11 @@ st_prepare_vertex_program(struct gl_program *prog)
{
struct gl_vertex_program *stvp = (struct gl_vertex_program *)prog;
- stvp->num_inputs = 0;
- stvp->vert_attrib_mask = 0;
- memset(stvp->result_to_output, ~0, sizeof(stvp->result_to_output));
-
- /* Determine number of inputs and input attrib semantic info.
- */
- for (unsigned attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
- if ((prog->info.inputs_read & BITFIELD64_BIT(attr)) != 0) {
- stvp->vert_attrib_mask |= BITFIELD_BIT(attr);
- stvp->num_inputs++;
- }
- }
+ stvp->num_inputs = util_bitcount64(prog->info.inputs_read);
+ stvp->vert_attrib_mask = prog->info.inputs_read;
/* Compute mapping of vertex program outputs to slots. */
+ memset(stvp->result_to_output, ~0, sizeof(stvp->result_to_output));
unsigned num_outputs = 0;
for (unsigned attr = 0; attr < VARYING_SLOT_MAX; attr++) {
if (prog->info.outputs_written & BITFIELD64_BIT(attr))
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