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backend-drm: make linear modifier to default

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Make the linear modifier to the default of DRM format modifiers if
supported modifiers isn't get from kernel driver.
This commit is contained in:
Tomohito Esaki 2019-06-24 17:23:44 +09:00
parent 5d7877adfd
commit 29beeafde9
1 changed files with 15 additions and 1 deletions
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16
libweston/backend-drm/kms.c
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@ -44,6 +44,10 @@
#include "pixel-formats.h"
#include "presentation-time-server-protocol.h"
#ifndef DRM_FORMAT_MOD_LINEAR
#define DRM_FORMAT_MOD_LINEAR 0
#endif
struct drm_property_enum_info plane_type_enums[] = {
[WDRM_PLANE_TYPE_PRIMARY] = {
.name = "Primary",
@ -399,6 +403,12 @@ drm_plane_populate_formats(struct drm_plane *plane, const drmModePlane *kplane,
modifiers[count_modifiers++] = mod->modifier;
}
if (count_modifiers == 0) {
modifiers = malloc(sizeof(*modifiers));
*modifiers = DRM_FORMAT_MOD_LINEAR;
count_modifiers = 1;
}
plane->formats[i].format = blob_formats[i];
plane->formats[i].modifiers = modifiers;
plane->formats[i].count_modifiers = count_modifiers;
@ -412,8 +422,12 @@ fallback:
#endif
/* No IN_FORMATS blob available, so just use the old. */
assert(plane->count_formats == kplane->count_formats);
for (i = 0; i < kplane->count_formats; i++)
for (i = 0; i < kplane->count_formats; i++) {
plane->formats[i].format = kplane->formats[i];
plane->formats[i].modifiers = malloc(sizeof(uint64_t));
plane->formats[i].modifiers[0] = DRM_FORMAT_MOD_LINEAR;
plane->formats[i].count_modifiers = 1;
}
return 0;
}