lineage-rockchip/android_external_minigbm
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minigbm: add format modifiers per plane

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To pass the surface format parameters to EGL, we add format modifiers
which are used for dmabuf import. The vendor ID definitions are copied
from drm_fourcc.h.

BUG=chromium:478339
TEST=none

Change-Id: Ida3e6787b29af73ff534c054006f93c3bad4c5b9
Signed-off-by: Vince Hsu <vince.h@nvidia.com>
Reviewed-on: https://chromium-review.googlesource.com/346365
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
This commit is contained in:
Vince Hsu 2016-05-23 10:32:25 +08:00 • committed by chrome-bot
parent 58080dfa64
commit a6878fe5ae
3 changed files with 42 additions and 0 deletions
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13
gbm.c
View file

@ -316,6 +316,12 @@ gbm_bo_get_format(struct gbm_bo *bo)
return bo->format;
}
PUBLIC uint64_t
gbm_bo_get_format_modifier(struct gbm_bo *bo)
{
return gbm_bo_get_plane_format_modifier(bo, 0);
}
PUBLIC struct gbm_device *
gbm_bo_get_device(struct gbm_bo *bo)
{
@ -388,6 +394,13 @@ gbm_bo_get_plane_stride(struct gbm_bo *bo, size_t plane)
return bo->strides[plane];
}
PUBLIC uint64_t
gbm_bo_get_plane_format_modifier(struct gbm_bo *bo, size_t plane)
{
assert(plane < bo->num_planes);
return bo->format_modifiers[plane];
}
PUBLIC void
gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
void (*destroy_user_data)(struct gbm_bo *, void *))

28
gbm.h
View file

@ -176,6 +176,28 @@ union gbm_bo_handle {
#define GBM_FORMAT_YUV444 __gbm_fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */
#define GBM_FORMAT_YVU444 __gbm_fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */
/*
* Format Modifiers:
*
* Format modifiers describe, typically, a re-ordering or modification
* of the data in a plane of an FB. This can be used to express tiled/
* swizzled formats, or compression, or a combination of the two.
*
* The upper 8 bits of the format modifier are a vendor-id as assigned
* below. The lower 56 bits are assigned as vendor sees fit.
*/
/* Vendor Ids: */
#define GBM_FORMAT_MOD_NONE 0
#define GBM_FORMAT_MOD_VENDOR_INTEL 0x01
#define GBM_FORMAT_MOD_VENDOR_AMD 0x02
#define GBM_FORMAT_MOD_VENDOR_NV 0x03
#define GBM_FORMAT_MOD_VENDOR_SAMSUNG 0x04
#define GBM_FORMAT_MOD_VENDOR_QCOM 0x05
/* add more to the end as needed */
#define gbm_fourcc_mod_code(vendor, val) \
((((__u64)GBM_FORMAT_MOD_VENDOR_## vendor) << 56) | (val & 0x00ffffffffffffffULL))
/**
* Flags to indicate the intended use for the buffer - these are passed into
@ -269,6 +291,9 @@ gbm_bo_get_stride_or_tiling(struct gbm_bo *bo);
uint32_t
gbm_bo_get_format(struct gbm_bo *bo);
uint64_t
gbm_bo_get_format_modifier(struct gbm_bo *bo);
struct gbm_device *
gbm_bo_get_device(struct gbm_bo *bo);
@ -296,6 +321,9 @@ gbm_bo_get_plane_size(struct gbm_bo *bo, size_t plane);
uint32_t
gbm_bo_get_plane_stride(struct gbm_bo *bo, size_t plane);
uint64_t
gbm_bo_get_plane_format_modifier(struct gbm_bo *bo, size_t plane);
void
gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
void (*destroy_user_data)(struct gbm_bo *, void *));

1
gbm_priv.h
View file

@ -37,6 +37,7 @@ struct gbm_bo
uint32_t offsets[GBM_MAX_PLANES];
uint32_t sizes[GBM_MAX_PLANES];
uint32_t strides[GBM_MAX_PLANES];
uint64_t format_modifiers[GBM_MAX_PLANES];
void *priv;
void *user_data;
void (*destroy_user_data)(struct gbm_bo *, void *);