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From abfa680dbdfa4600105d904f4903c047d453cdb5 Mon Sep 17 00:00:00 2001
From: "Kristian H. Kristensen" <hoegsberg@chromium.org>
Date: Thu, 8 Sep 2016 13:08:59 -0700
Subject: [PATCH] Add drmModeAddFB2WithModifiers() which takes format modifiers
The only other user of this feature open codes the ioctl. Let's add an
entry point for this to libdrm.
Signed-off-by: Kristian H. Kristensen <hoegsberg@chromium.org>
Reviewed-by: Rob Clark <robdclark@gmail.com>
---
xf86drmMode.c | 21 +++++++++++++++++----
xf86drmMode.h | 7 +++++++
2 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/xf86drmMode.c b/xf86drmMode.c
index f7b5948..228c6e4 100644
--- a/xf86drmMode.c
+++ b/xf86drmMode.c
@@ -270,10 +270,10 @@ int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
return 0;
}
-int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
- uint32_t pixel_format, uint32_t bo_handles[4],
- uint32_t pitches[4], uint32_t offsets[4],
- uint32_t *buf_id, uint32_t flags)
+int drmModeAddFB2WithModifiers(int fd, uint32_t width, uint32_t height,
+ uint32_t pixel_format, uint32_t bo_handles[4],
+ uint32_t pitches[4], uint32_t offsets[4],
+ uint64_t modifier[4], uint32_t *buf_id, uint32_t flags)
{
struct drm_mode_fb_cmd2 f;
int ret;
@@ -286,6 +286,8 @@ int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
memcpy(f.handles, bo_handles, 4 * sizeof(bo_handles[0]));
memcpy(f.pitches, pitches, 4 * sizeof(pitches[0]));
memcpy(f.offsets, offsets, 4 * sizeof(offsets[0]));
+ if (modifier)
+ memcpy(f.modifier, modifier, 4 * sizeof(modifier[0]));
if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB2, &f)))
return ret;
@@ -294,6 +296,17 @@ int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
return 0;
}
+int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
+ uint32_t pixel_format, uint32_t bo_handles[4],
+ uint32_t pitches[4], uint32_t offsets[4],
+ uint32_t *buf_id, uint32_t flags)
+{
+ return drmModeAddFB2WithModifiers(fd, width, height,
+ pixel_format, bo_handles,
+ pitches, offsets, NULL,
+ buf_id, flags);
+}
+
int drmModeRmFB(int fd, uint32_t bufferId)
{
return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId);
diff --git a/xf86drmMode.h b/xf86drmMode.h
index 4de7bbb..1a02fed 100644
--- a/xf86drmMode.h
+++ b/xf86drmMode.h
@@ -369,6 +369,13 @@ extern int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
uint32_t pixel_format, uint32_t bo_handles[4],
uint32_t pitches[4], uint32_t offsets[4],
uint32_t *buf_id, uint32_t flags);
+
+/* ...with format modifiers */
+int drmModeAddFB2WithModifiers(int fd, uint32_t width, uint32_t height,
+ uint32_t pixel_format, uint32_t bo_handles[4],
+ uint32_t pitches[4], uint32_t offsets[4],
+ uint64_t modifier[4], uint32_t *buf_id, uint32_t flags);
+
/**
* Destroies the given framebuffer.
*/
--
2.9.3
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