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freedreno/a6xx: Rast updates for a6xx gen3 

Not really sure what these new regs are, but blob emits them as part of
rasterizer state starting with a650.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12497>
This commit is contained in:
Rob Clark 2021-08-21 11:00:22 -07:00 committed by Marge Bot
parent 677dbb0e52
commit 219e12b7f3
1 changed files with 15 additions and 1 deletions
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16
src/gallium/drivers/freedreno/a6xx/fd6_rasterizer.c
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@ -39,7 +39,7 @@ __fd6_setup_rasterizer_stateobj(struct fd_context *ctx,
const struct pipe_rasterizer_state *cso,
bool primitive_restart)
{
struct fd_ringbuffer *ring = fd_ringbuffer_new_object(ctx->pipe, 18 * 4);
struct fd_ringbuffer *ring = fd_ringbuffer_new_object(ctx->pipe, 26 * 4);
float psize_min, psize_max;
if (cso->point_size_per_vertex) {
@ -94,6 +94,20 @@ __fd6_setup_rasterizer_stateobj(struct fd_context *ctx,
OUT_REG(ring, A6XX_VPC_POLYGON_MODE(mode));
OUT_REG(ring, A6XX_PC_POLYGON_MODE(mode));
/* These started showing up in a6xx gen3, but so far I haven't found
* any example of blob setting them to anything other than zero.
*
* Probably not related to tess_use_shared, but that is a convenient
* thing to key off of until we find whatever new feature gen3 added
* that uses these registers.
*/
if (ctx->screen->info->a6xx.tess_use_shared) {
OUT_REG(ring, A6XX_RB_UNKNOWN_8A00());
OUT_REG(ring, A6XX_RB_UNKNOWN_8A10());
OUT_REG(ring, A6XX_RB_UNKNOWN_8A20());
OUT_REG(ring, A6XX_RB_UNKNOWN_8A30());
}
return ring;
}