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renderer/native: Use drmModeAddFB2 where available

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drmModeAddFB2 allows specifying multiple planes, as well as directly
specifying the format, rather than relying on a depth/bpp -> format
mapping.

https://bugzilla.gnome.org/show_bug.cgi?id=785779
This commit is contained in:
Daniel Stone 2017-08-03 14:49:45 +01:00 committed by Jonas Ådahl
parent d670a1aa78
commit d99cd279d2
1 changed files with 28 additions and 14 deletions
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24
src/backends/native/meta-renderer-native.c
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@ -46,6 +46,7 @@
#include <sys/mman.h>
#include <unistd.h>
#include <xf86drm.h>
#include <drm_fourcc.h>
#include "backends/meta-backend-private.h"
#include "backends/meta-crtc.h"
@ -1276,32 +1277,45 @@ gbm_get_next_fb_id (MetaGpuKms *gpu_kms,
struct gbm_bo **out_next_bo,
uint32_t *out_next_fb_id)
{
uint32_t handle, stride;
struct gbm_bo *next_bo;
uint32_t next_fb_id;
int kms_fd;
uint32_t handles[4] = { 0, };
uint32_t strides[4] = { 0, };
uint32_t offsets[4] = { 0, };
/* Now we need to set the CRTC to whatever is the front buffer */
next_bo = gbm_surface_lock_front_buffer (gbm_surface);
stride = gbm_bo_get_stride (next_bo);
handle = gbm_bo_get_handle (next_bo).u32;
strides[0] = gbm_bo_get_stride (next_bo);
handles[0] = gbm_bo_get_handle (next_bo).u32;
kms_fd = meta_gpu_kms_get_fd (gpu_kms);
if (drmModeAddFB2 (kms_fd,
gbm_bo_get_width (next_bo),
gbm_bo_get_height (next_bo),
gbm_bo_get_format (next_bo),
handles,
strides,
offsets,
&next_fb_id,
0))
{
if (drmModeAddFB (kms_fd,
gbm_bo_get_width (next_bo),
gbm_bo_get_height (next_bo),
24, /* depth */
32, /* bpp */
stride,
handle,
strides[0],
handles[0],
&next_fb_id))
{
g_warning ("Failed to create new back buffer handle: %m");
gbm_surface_release_buffer (gbm_surface, next_bo);
return FALSE;
}
}
*out_next_bo = next_bo;
*out_next_fb_id = next_fb_id;