void si_pm4_upload_indirect_buffer(struct si_context *sctx,
struct si_pm4_state *state)
{
struct pipe_screen *screen = sctx->b.b.screen;
unsigned aligned_ndw = align(state->ndw, 8);
/* only supported on CIK and later */
if (sctx->b.chip_class < CIK)
return;
assert(state->ndw);
assert(aligned_ndw <= SI_PM4_MAX_DW);
r600_resource_reference(&state->indirect_buffer, NULL);
/* TODO: this hangs with 1024 or higher alignment on GFX9. */
state->indirect_buffer = (struct r600_resource*)
si_aligned_buffer_create(screen, 0,
PIPE_USAGE_DEFAULT, aligned_ndw * 4,
256);
if (!state->indirect_buffer)
return;
/* Pad the IB to 8 DWs to meet CP fetch alignment requirements. */
if (sctx->screen->info.gfx_ib_pad_with_type2) {
for (int i = state->ndw; i < aligned_ndw; i++)
state->pm4[i] = 0x80000000; /* type2 nop packet */
} else {
for (int i = state->ndw; i < aligned_ndw; i++)
state->pm4[i] = 0xffff1000; /* type3 nop packet */
}
pipe_buffer_write(&sctx->b.b, &state->indirect_buffer->b.b,
0, aligned_ndw *4, state->pm4);
}
static void si_alloc_separate_cmask(struct si_screen *sscreen,
struct si_texture *tex)
{
if (tex->cmask_buffer || !tex->surface.cmask_size)
return;
tex->cmask_buffer =
si_aligned_buffer_create(&sscreen->b,
SI_RESOURCE_FLAG_UNMAPPABLE,
PIPE_USAGE_DEFAULT,
tex->surface.cmask_size,
tex->surface.cmask_alignment);
if (tex->cmask_buffer == NULL)
return;
tex->cmask_base_address_reg = tex->cmask_buffer->gpu_address >> 8;
tex->cb_color_info |= S_028C70_FAST_CLEAR(1);
p_atomic_inc(&sscreen->compressed_colortex_counter);
}