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ecore_wl2: Add dma_buf lock/unlock ioctls 

These should help with coherency later when we don't unmap for every
surface post.
This commit is contained in:
Derek Foreman 2018-03-09 14:33:13 -06:00
parent 1fddfdfaae
commit 6b3f999cf4
1 changed files with 25 additions and 0 deletions
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25
src/lib/ecore_wl2/ecore_wl2_buffer.c
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@ -17,6 +17,7 @@
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <linux/dma-buf.h>
#include "linux-dmabuf-unstable-v1-client-protocol.h"
#define SYM(lib, xx) \
@ -103,6 +104,24 @@ _evas_dmabuf_wl_buffer_from_dmabuf(Ecore_Wl2_Display *ewd, Ecore_Wl2_Buffer *db)
return buf;
}
static void
_dmabuf_lock(Ecore_Wl2_Buffer *b)
{
struct dma_buf_sync s;
s.flags = DMA_BUF_SYNC_START;
ioctl(b->fd, DMA_BUF_IOCTL_SYNC, &s);
}
static void
_dmabuf_unlock(Ecore_Wl2_Buffer *b)
{
struct dma_buf_sync s;
s.flags = DMA_BUF_SYNC_START;
ioctl(b->fd, DMA_BUF_IOCTL_SYNC, &s);
}
static Buffer_Handle *
_intel_alloc(Buffer_Manager *self, const char *name, int w, int h, unsigned long *stride, int32_t *fd)
{
@ -194,6 +213,8 @@ _intel_buffer_manager_setup(int fd)
buffer_manager->map = _intel_map;
buffer_manager->unmap = _intel_unmap;
buffer_manager->discard = _intel_discard;
buffer_manager->lock = _dmabuf_lock;
buffer_manager->unlock = _dmabuf_unlock;
buffer_manager->manager_destroy = _intel_manager_destroy;
buffer_manager->dl_handle = drm_intel_lib;
@ -300,6 +321,8 @@ _exynos_buffer_manager_setup(int fd)
buffer_manager->map = _exynos_map;
buffer_manager->unmap = _exynos_unmap;
buffer_manager->discard = _exynos_discard;
buffer_manager->lock = _dmabuf_lock;
buffer_manager->unlock = _dmabuf_unlock;
buffer_manager->manager_destroy = _exynos_manager_destroy;
buffer_manager->dl_handle = drm_exynos_lib;
return EINA_TRUE;
@ -530,6 +553,8 @@ _vc4_buffer_manager_setup(int fd)
buffer_manager->map = _vc4_map;
buffer_manager->unmap = _vc4_unmap;
buffer_manager->discard = _vc4_discard;
buffer_manager->lock = _dmabuf_lock;
buffer_manager->unlock = _dmabuf_unlock;
buffer_manager->manager_destroy = NULL;
buffer_manager->dl_handle = drm_lib;
return EINA_TRUE;