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kmssink: Add modifier to gst_kms_allocator_dmabuf_import

Browse source 
Use the new drmModeAddFB2WithModifiers() API for binding the
non-linear BO.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5174>
This commit is contained in:
He Junyan 2023-08-11 18:02:42 +08:00
parent 7010efc8ed
commit 9df377efc1
3 changed files with 28 additions and 11 deletions
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28
subprojects/gst-plugins-bad/sys/kms/gstkmsallocator.c
View file

@ -30,6 +30,7 @@
#include <fcntl.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <drm_fourcc.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <unistd.h>
@ -348,7 +349,7 @@ gst_kms_allocator_new (int fd)
static gboolean
gst_kms_allocator_add_fb (GstKMSAllocator * alloc, GstKMSMemory * kmsmem,
gsize in_offsets[GST_VIDEO_MAX_PLANES], GstVideoInfo * vinfo,
guint32 bo_handles[4])
guint64 modifier, guint32 bo_handles[4])
{
gint i, ret;
gint num_planes = GST_VIDEO_INFO_N_PLANES (vinfo);
@ -371,8 +372,21 @@ gst_kms_allocator_add_fb (GstKMSAllocator * alloc, GstKMSMemory * kmsmem,
GST_DEBUG_OBJECT (alloc, "bo handles: %d, %d, %d, %d", bo_handles[0],
bo_handles[1], bo_handles[2], bo_handles[3]);
ret = drmModeAddFB2 (alloc->priv->fd, w, h, fmt, bo_handles, pitches,
offsets, &kmsmem->fb_id, 0);
if (modifier != DRM_FORMAT_MOD_LINEAR) {
guint64 modifiers[4];
for (i = 0; i < num_planes; i++)
modifiers[i] = modifier;
for (; i < 4; i++)
modifiers[i] = DRM_FORMAT_MOD_LINEAR;
ret = drmModeAddFB2WithModifiers (alloc->priv->fd, w, h, fmt, bo_handles,
pitches, offsets, modifiers, &kmsmem->fb_id, DRM_MODE_FB_MODIFIERS);
} else {
ret = drmModeAddFB2 (alloc->priv->fd, w, h, fmt, bo_handles, pitches,
offsets, &kmsmem->fb_id, 0);
}
if (ret) {
GST_ERROR_OBJECT (alloc, "Failed to bind to framebuffer: %s (%d)",
g_strerror (errno), errno);
@ -409,7 +423,7 @@ gst_kms_allocator_bo_alloc (GstAllocator * allocator, GstVideoInfo * vinfo)
bo_handle[i] = gst_drm_dumb_memory_get_handle (kmsmem->bo);
if (!gst_kms_allocator_add_fb (alloc, kmsmem, vinfo->offset, vinfo,
bo_handle))
DRM_FORMAT_MOD_LINEAR, bo_handle))
goto fail;
return mem;
@ -422,7 +436,8 @@ fail:
GstKMSMemory *
gst_kms_allocator_dmabuf_import (GstAllocator * allocator, gint * prime_fds,
gint n_planes, gsize offsets[GST_VIDEO_MAX_PLANES], GstVideoInfo * vinfo)
gint n_planes, gsize offsets[GST_VIDEO_MAX_PLANES],
GstVideoInfo * vinfo, guint64 modifier)
{
GstKMSAllocator *alloc;
GstKMSMemory *kmsmem;
@ -445,7 +460,8 @@ gst_kms_allocator_dmabuf_import (GstAllocator * allocator, gint * prime_fds,
goto import_fd_failed;
}
if (!gst_kms_allocator_add_fb (alloc, kmsmem, offsets, vinfo, gem_handle))
if (!gst_kms_allocator_add_fb (alloc, kmsmem, offsets, vinfo,
modifier, gem_handle))
goto failed;
done:

9
subprojects/gst-plugins-bad/sys/kms/gstkmsallocator.h
View file

@ -82,10 +82,11 @@ GstMemory* gst_kms_allocator_bo_alloc (GstAllocator *allocator,
GstVideoInfo *vinfo);
GstKMSMemory* gst_kms_allocator_dmabuf_import (GstAllocator *allocator,
gint *prime_fds,
gint n_planes,
gsize offsets[GST_VIDEO_MAX_PLANES],
GstVideoInfo *vinfo);
gint *prime_fds,
gint n_planes,
gsize offsets[GST_VIDEO_MAX_PLANES],
GstVideoInfo *vinfo,
guint64 modifier);
GstMemory* gst_kms_allocator_dmabuf_export (GstAllocator *allocator,
GstMemory *kmsmem);

2
subprojects/gst-plugins-bad/sys/kms/gstkmssink.c
View file

@ -1728,7 +1728,7 @@ gst_kms_sink_import_dmabuf (GstKMSSink * self, GstBuffer * inbuf,
prime_fds[1], prime_fds[2], prime_fds[3]);
kmsmem = gst_kms_allocator_dmabuf_import (self->allocator,
prime_fds, n_planes, mems_skip, &self->vinfo);
prime_fds, n_planes, mems_skip, &self->vinfo, 0);
if (!kmsmem)
return FALSE;