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MetaRendererNative: Add helper for getting the next framebuffer id

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https://bugzilla.gnome.org/show_bug.cgi?id=773629
This commit is contained in:
Jonas Ådahl 2016-09-29 22:33:02 +08:00
parent 78c121eb10
commit faa96444b5
1 changed files with 44 additions and 24 deletions
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68
src/backends/native/meta-renderer-native.c
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@ -598,6 +598,46 @@ meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen)
g_closure_unref (flip_closure);
}
static gboolean
gbm_get_next_fb_id (CoglOnscreen *onscreen,
struct gbm_bo **out_next_bo,
uint32_t *out_next_fb_id)
{
CoglContext *cogl_context = COGL_FRAMEBUFFER (onscreen)->context;
CoglRenderer *cogl_renderer = cogl_context->display->renderer;
CoglRendererEGL *egl_renderer = cogl_renderer->winsys;
MetaRendererNative *renderer_native = egl_renderer->platform;
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
uint32_t handle, stride;
struct gbm_bo *next_bo;
uint32_t next_fb_id;
/* Now we need to set the CRTC to whatever is the front buffer */
next_bo = gbm_surface_lock_front_buffer (onscreen_native->gbm.surface);
stride = gbm_bo_get_stride (next_bo);
handle = gbm_bo_get_handle (next_bo).u32;
if (drmModeAddFB (renderer_native->kms_fd,
cogl_framebuffer_get_width (COGL_FRAMEBUFFER (onscreen)),
cogl_framebuffer_get_height (COGL_FRAMEBUFFER (onscreen)),
24, /* depth */
32, /* bpp */
stride,
handle,
&next_fb_id))
{
g_warning ("Failed to create new back buffer handle: %m");
gbm_surface_release_buffer (onscreen_native->gbm.surface, next_bo);
return FALSE;
}
*out_next_bo = next_bo;
*out_next_fb_id = next_fb_id;
return TRUE;
}
static void
meta_onscreen_native_swap_buffers_with_damage (CoglOnscreen *onscreen,
const int *rectangles,
@ -610,7 +650,6 @@ meta_onscreen_native_swap_buffers_with_damage (CoglOnscreen *onscreen,
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
MetaOnscreenNative *onscreen_native = egl_onscreen->platform;
CoglFrameInfo *frame_info;
uint32_t handle, stride;
frame_info = g_queue_peek_tail (&onscreen->pending_frame_infos);
frame_info->global_frame_counter = renderer_native->frame_counter;
@ -621,29 +660,10 @@ meta_onscreen_native_swap_buffers_with_damage (CoglOnscreen *onscreen,
rectangles,
n_rectangles);
/* Now we need to set the CRTC to whatever is the front buffer */
onscreen_native->gbm.next_bo =
gbm_surface_lock_front_buffer (onscreen_native->gbm.surface);
stride = gbm_bo_get_stride (onscreen_native->gbm.next_bo);
handle = gbm_bo_get_handle (onscreen_native->gbm.next_bo).u32;
if (drmModeAddFB (renderer_native->kms_fd,
cogl_framebuffer_get_width (COGL_FRAMEBUFFER (onscreen)),
cogl_framebuffer_get_height (COGL_FRAMEBUFFER (onscreen)),
24, /* depth */
32, /* bpp */
stride,
handle,
&onscreen_native->gbm.next_fb_id))
{
g_warning ("Failed to create new back buffer handle: %m");
gbm_surface_release_buffer (onscreen_native->gbm.surface,
onscreen_native->gbm.next_bo);
onscreen_native->gbm.next_bo = NULL;
onscreen_native->gbm.next_fb_id = 0;
return;
}
if (!gbm_get_next_fb_id (onscreen,
&onscreen_native->gbm.next_bo,
&onscreen_native->gbm.next_fb_id))
return;
/* If this is the first framebuffer to be presented then we now setup the
* crtc modes, else we flip from the previous buffer */