From: Marek Olšák
This will be used by indirect multidraws.
v2: clean up the function further, change return types to unsigned
---
src/gallium/auxiliary/util/u_vbuf.c | 101 ++--
1 file changed, 51 insertions(+), 50 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_vbuf.c
b/src/gallium/auxiliary/util/u_vbuf.c
index c04a18a6764..746ff1085ce 100644
--- a/src/gallium/auxiliary/util/u_vbuf.c
+++ b/src/gallium/auxiliary/util/u_vbuf.c
@@ -1015,111 +1015,111 @@ static boolean
u_vbuf_mapping_vertex_buffer_blocks(const struct u_vbuf *mgr)
* We could query whether each buffer is busy, but that would
* be way more costly than this. */
return (mgr->ve->used_vb_mask &
(~mgr->user_vb_mask &
~mgr->incompatible_vb_mask &
mgr->ve->compatible_vb_mask_all &
mgr->ve->noninstance_vb_mask_any &
mgr->nonzero_stride_vb_mask)) != 0;
}
-static void u_vbuf_get_minmax_index(struct pipe_context *pipe,
-const struct pipe_draw_info *info,
-int *out_min_index, int *out_max_index)
+static void
+u_vbuf_get_minmax_index_mapped(const struct pipe_draw_info *info,
+ const void *indices, unsigned *out_min_index,
+ unsigned *out_max_index)
{
- struct pipe_transfer *transfer = NULL;
- const void *indices;
- unsigned i;
-
- if (info->has_user_indices) {
- indices = (uint8_t*)info->index.user +
-info->start * info->index_size;
- } else {
- indices = pipe_buffer_map_range(pipe, info->index.resource,
- info->start * info->index_size,
- info->count * info->index_size,
- PIPE_TRANSFER_READ, );
- }
+ unsigned max = 0;
+ unsigned min = ~0u;
switch (info->index_size) {
case 4: {
const unsigned *ui_indices = (const unsigned*)indices;
- unsigned max_ui = 0;
- unsigned min_ui = ~0U;
if (info->primitive_restart) {
- for (i = 0; i < info->count; i++) {
+ for (unsigned i = 0; i < info->count; i++) {
if (ui_indices[i] != info->restart_index) {
- if (ui_indices[i] > max_ui) max_ui = ui_indices[i];
- if (ui_indices[i] < min_ui) min_ui = ui_indices[i];
+ if (ui_indices[i] > max) max = ui_indices[i];
+ if (ui_indices[i] < min) min = ui_indices[i];
}
}
}
else {
- for (i = 0; i < info->count; i++) {
-if (ui_indices[i] > max_ui) max_ui = ui_indices[i];
-if (ui_indices[i] < min_ui) min_ui = ui_indices[i];
+ for (unsigned i = 0; i < info->count; i++) {
+if (ui_indices[i] > max) max = ui_indices[i];
+if (ui_indices[i] < min) min = ui_indices[i];
}
}
- *out_min_index = min_ui;
- *out_max_index = max_ui;
break;
}
case 2: {
const unsigned short *us_indices = (const unsigned short*)indices;
- unsigned max_us = 0;
- unsigned min_us = ~0U;
if (info->primitive_restart) {
- for (i = 0; i < info->count; i++) {
+ for (unsigned i = 0; i < info->count; i++) {
if (us_indices[i] != info->restart_index) {
- if (us_indices[i] > max_us) max_us = us_indices[i];
- if (us_indices[i] < min_us) min_us = us_indices[i];
+ if (us_indices[i] > max) max = us_indices[i];
+ if (us_indices[i] < min) min = us_indices[i];
}
}
}
else {
- for (i = 0; i < info->count; i++) {
-if (us_indices[i] > max_us) max_us = us_indices[i];
-if (us_indices[i] < min_us) min_us = us_indices[i];
+ for (unsigned i = 0; i < info->count; i++) {
+if (us_indices[i] > max) max = us_indices[i];
+if (us_indices[i] < min) min = us_indices[i];
}
}
- *out_min_index = min_us;
- *out_max_index = max_us;
break;
}
case 1: {
const unsigned char *ub_indices = (const unsigned char*)indices;
- unsigned max_ub = 0;
- unsigned min_ub = ~0U;
if (info->primitive_restart) {
- for (i = 0; i < info->count; i++) {
+ for (unsigned i = 0; i < info->count; i++) {
if (ub_indices[i] != info->restart_index) {
- if (ub_indices[i] > max_ub) max_ub = ub_indices[i];
- if (ub_indices[i] < min_ub) min_ub = ub_indices[i];
+ if (ub_indices[i] > max) max = ub_indices[i];
+ if (ub_indices[i] < min) min = ub_indices[i];
}
}
}
else {
- for (i = 0; i < info->count; i++) {
-if (ub_indices[i] > max_ub) max_ub = ub_indices[i];
-if (ub_indices[i] < min_ub) min_ub = ub_indices[i];
+ for
