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Diffstat (limited to 'src/gbm/backends/dri/gbm_dri.c')
-rw-r--r--src/gbm/backends/dri/gbm_dri.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c
index 4df6e8fcf06..e5ddfb6ce69 100644
--- a/src/gbm/backends/dri/gbm_dri.c
+++ b/src/gbm/backends/dri/gbm_dri.c
@@ -291,6 +291,18 @@ gbm_dri_is_format_supported(struct gbm_device *gbm,
return 1;
}
+static int
+gbm_dri_bo_write(struct gbm_bo *_bo, const void *buf, size_t count)
+{
+ struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm);
+ struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
+
+ if (dri->image->base.version < 4)
+ return -1;
+
+ return dri->image->write(bo->image, buf, count);
+}
+
static void
gbm_dri_bo_destroy(struct gbm_bo *_bo)
{
@@ -390,6 +402,9 @@ gbm_dri_bo_create(struct gbm_device *gbm,
int dri_format;
unsigned dri_use = 0;
+ if (dri->image->base.version < 4 && (usage & GBM_BO_USE_WRITE))
+ return NULL;
+
bo = calloc(1, sizeof *bo);
if (bo == NULL)
return NULL;
@@ -421,6 +436,8 @@ gbm_dri_bo_create(struct gbm_device *gbm,
dri_use |= __DRI_IMAGE_USE_SCANOUT;
if (usage & GBM_BO_USE_CURSOR_64X64)
dri_use |= __DRI_IMAGE_USE_CURSOR;
+ if (usage & GBM_BO_USE_WRITE)
+ dri_use |= __DRI_IMAGE_USE_WRITE;
bo->image =
dri->image->createImage(dri->screen,
@@ -491,6 +508,7 @@ dri_device_create(int fd)
dri->base.base.bo_create = gbm_dri_bo_create;
dri->base.base.bo_create_from_egl_image = gbm_dri_bo_create_from_egl_image;
dri->base.base.is_format_supported = gbm_dri_is_format_supported;
+ dri->base.base.bo_write = gbm_dri_bo_write;
dri->base.base.bo_destroy = gbm_dri_bo_destroy;
dri->base.base.destroy = dri_destroy;
dri->base.base.surface_create = gbm_dri_surface_create;