Commit 7f548125 authored by Alyssa Rosenzweig's avatar Alyssa Rosenzweig 💜

panfrost: Implement primitive restart

For GLES3, just pass the flag through.
Signed-off-by: Alyssa Rosenzweig's avatarAlyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
parent 804d1bd1
......@@ -37,6 +37,7 @@
#include "util/half_float.h"
#include "util/u_helpers.h"
#include "util/u_format.h"
#include "util/u_prim_restart.h"
#include "indices/u_primconvert.h"
#include "tgsi/tgsi_parse.h"
#include "util/u_math.h"
......@@ -1631,6 +1632,15 @@ panfrost_draw_vbo(
int mode = info->mode;
/* Fallback unsupported restart index */
unsigned primitive_index = (1 << (info->index_size * 8)) - 1;
if (info->primitive_restart && info->index_size
&& info->restart_index != primitive_index) {
util_draw_vbo_without_prim_restart(pipe, info);
return;
}
/* Fallback for unsupported modes */
if (!(ctx->draw_modes & (1 << mode))) {
......@@ -1667,6 +1677,9 @@ panfrost_draw_vbo(
if (panfrost_writes_point_size(ctx))
draw_flags |= MALI_DRAW_VARYING_SIZE;
if (info->primitive_restart)
draw_flags |= MALI_DRAW_PRIMITIVE_RESTART_FIXED_INDEX;
/* For higher amounts of vertices (greater than what fits in a 16-bit
* short), the other value is needed, otherwise there will be bizarre
* rendering artefacts. It's not clear what these values mean yet. */
......
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