gbm: Add GBM_BO_USE_LINEAR flag

Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c
index c5136723162e67a2cdf1c81c3ff9f581f02c2330..62bdf891d57c928afce250b009b3d5b052910ae1 100644 (file)
--- a/src/gbm/backends/dri/gbm_dri.c
+++ b/src/gbm/backends/dri/gbm_dri.c
@@ -858,6 +858,8 @@ gbm_dri_bo_create(struct gbm_device *gbm,
       dri_use |= __DRI_IMAGE_USE_SCANOUT;
    if (usage & GBM_BO_USE_CURSOR)
       dri_use |= __DRI_IMAGE_USE_CURSOR;
+   if (usage & GBM_BO_USE_LINEAR)
+      dri_use |= __DRI_IMAGE_USE_LINEAR;
 
    /* Gallium drivers requires shared in order to get the handle/stride */
    dri_use |= __DRI_IMAGE_USE_SHARE;

diff --git a/src/gbm/main/gbm.h b/src/gbm/main/gbm.h
index 7b23c2609f9034e61199e796b5d0b7f5ff15a08a..2708e50a45ca3fa8be19cb21036641ce9e4f30c7 100644 (file)
--- a/src/gbm/main/gbm.h
+++ b/src/gbm/main/gbm.h
@@ -209,6 +209,10 @@ enum gbm_bo_flags {
     * with GBM_BO_USE_CURSOR. but may not work for other combinations.
     */
    GBM_BO_USE_WRITE    = (1 << 3),
+   /**
+    * Buffer is linear, i.e. not tiled.
+    */
+   GBM_BO_USE_LINEAR = (1 << 4),
 };
 
 int