[Mesa-dev] [PATCH] gbm: Add GBM_BO_USE_LINEAR flag

[Michel Dänzer]

From: Flora Cui <flora.cui at amd.com>

Signed-off-by: Flora Cui <flora.cui at amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou at amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/gbm/backends/dri/gbm_dri.c | 2 ++
 src/gbm/main/gbm.h             | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c
index c513672..62bdf89 100644
--- 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 7b23c26..2708e50 100644
--- 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
-- 
2.1.4