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authorAlyssa Rosenzweig <[email protected]>2019-06-26 15:59:29 -0700
committerAlyssa Rosenzweig <[email protected]>2019-06-28 15:09:07 -0700
commit7f5481258c5ba606a2169c370cf84fd528705751 (patch)
tree44c23d52cf8d67954df2abbe46668f00dac3cdf0 /src
parent804d1bd111fdb5f3cf49959a0122b547a231b0f3 (diff)
panfrost: Implement primitive restart
For GLES3, just pass the flag through. Signed-off-by: Alyssa Rosenzweig <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/panfrost/pan_context.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c
index be800ca6ce1..0dfdaf1c8b6 100644
--- a/src/gallium/drivers/panfrost/pan_context.c
+++ b/src/gallium/drivers/panfrost/pan_context.c
@@ -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. */