diff options
Diffstat (limited to 'src/gbm/backends/dri/gbm_dri.c')
| -rw-r--r-- | src/gbm/backends/dri/gbm_dri.c | 18 |
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; |