diff options
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_bufmgr.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_bufmgr.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/gallium/drivers/vc4/vc4_bufmgr.c b/src/gallium/drivers/vc4/vc4_bufmgr.c index 21e3bde..f6bacfd 100644 --- a/src/gallium/drivers/vc4/vc4_bufmgr.c +++ b/src/gallium/drivers/vc4/vc4_bufmgr.c @@ -28,6 +28,7 @@ #include <xf86drm.h> #include <xf86drmMode.h> +#include "util/u_hash_table.h" #include "util/u_memory.h" #include "util/ralloc.h" @@ -329,10 +330,19 @@ vc4_bo_open_handle(struct vc4_screen *screen, uint32_t winsys_stride, uint32_t handle, uint32_t size) { - struct vc4_bo *bo = CALLOC_STRUCT(vc4_bo); + struct vc4_bo *bo; assert(size); + pipe_mutex_lock(screen->bo_handles_mutex); + + bo = util_hash_table_get(screen->bo_handles, (void*)(uintptr_t)handle); + if (bo) { + pipe_reference(NULL, &bo->reference); + goto done; + } + + bo = CALLOC_STRUCT(vc4_bo); pipe_reference_init(&bo->reference, 1); bo->screen = screen; bo->handle = handle; @@ -347,6 +357,10 @@ vc4_bo_open_handle(struct vc4_screen *screen, bo->map = malloc(bo->size); #endif + util_hash_table_set(screen->bo_handles, (void *)(uintptr_t)handle, bo); + +done: + pipe_mutex_unlock(screen->bo_handles_mutex); return bo; } @@ -399,7 +413,11 @@ vc4_bo_get_dmabuf(struct vc4_bo *bo) bo->handle); return -1; } + + pipe_mutex_lock(bo->screen->bo_handles_mutex); bo->private = false; + util_hash_table_set(bo->screen->bo_handles, (void *)(uintptr_t)bo->handle, bo); + pipe_mutex_unlock(bo->screen->bo_handles_mutex); return fd; } |