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mesa/st: Clean up a bit of st_prepare_vertex_program().

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Now that the input attrib mapping is gone, this is simpler.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8044>
This commit is contained in:
Emma Anholt 2022-04-08 16:48:16 -07:00 • committed by Marge Bot
parent 3a42e92a4f
commit 74056f6358
1 changed files with 3 additions and 12 deletions
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15
src/mesa/state_tracker/st_program.c
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@ -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))