minigbm: introduce drv_array
We want to allow multiple mappings of a single buffer with different
map flags. To do this, we'll need some sort of linked list or dynamic
array of mappings. We already use dynamic arrays in minigbm, so let's
centralize that functionality and use it.
BUG=chromium:764871
TEST=emerge-kevin {minigbm, arc-cros-gralloc}
Change-Id: I2b391d6e8e690eac6368b1404a806b2bfbbcdf44
Reviewed-on: https://chromium-review.googlesource.com/758145
Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
diff --git a/helpers.h b/helpers.h
index cbd8f18..5de7225 100644
--- a/helpers.h
+++ b/helpers.h
@@ -8,6 +8,7 @@
#define HELPERS_H
#include "drv.h"
+#include "helpers_array.h"
uint32_t drv_stride_from_format(uint32_t format, uint32_t width, size_t plane);
uint32_t drv_size_from_format(uint32_t format, uint32_t stride, uint32_t height, size_t plane);
@@ -35,5 +36,4 @@
int drv_modify_linear_combinations(struct driver *drv);
uint64_t drv_pick_modifier(const uint64_t *modifiers, uint32_t count,
const uint64_t *modifier_order, uint32_t order_count);
-
#endif