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ecore-drm: Add 2 new API functions for setting and sending framebuffers 

Summary: This adds 2 new API functions we can use from within the evas
drm engine to set framebuffers as current, and to call a pageflip on
given buffers.

@feature

Signed-off-by: Chris Michael <cp.michael@samsung.com>
This commit is contained in:
Chris Michael 2015-04-08 13:41:35 -04:00 committed by Stefan Schmidt
parent a5d180b282
commit 10985880c2
2 changed files with 100 additions and 0 deletions
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33
src/lib/ecore_drm/Ecore_Drm.h
View File

@ -173,6 +173,9 @@ typedef struct _Ecore_Drm_Event_Activate Ecore_Drm_Event_Activate;
/** @since 1.14 */
typedef struct _Ecore_Drm_Event_Output Ecore_Drm_Event_Output;
/** @since 1.15 */
typedef void (*Ecore_Drm_Pageflip_Cb)(void *data);
EAPI extern int ECORE_DRM_EVENT_ACTIVATE;
EAPI extern int ECORE_DRM_EVENT_OUTPUT; /**< @since 1.14 */
@ -576,6 +579,36 @@ EAPI void ecore_drm_fb_destroy(Ecore_Drm_Fb *fb);
*/
EAPI void ecore_drm_fb_dirty(Ecore_Drm_Fb *fb, Eina_Rectangle *rects, unsigned int count);
/**
* Set an Ecore_Drm_Fb as the current framebuffer
*
* This function will set the given Ecore_Drm_Fb as the framebuffer used
* across all outputs
*
* @param dev The Ecore_Drm_Device to use
* @param fb The Ecore_Drm_Fb to make the current framebuffer
*
* @ingroup Ecore_Drm_Fb_Group
* @since 1.15
*/
EAPI void ecore_drm_fb_set(Ecore_Drm_Device *dev, Ecore_Drm_Fb *fb);
/**
* Send an Ecore_Drm_Fb to the Ecore_Drm_Device
*
* This function will call drmModePageFlip for the given device using the
* given Ecore_Drm_Fb as the framebuffer
*
* @param dev The Ecore_Drm_Device to use
* @param fb The Ecore_Drm_Fb to send
* @param cb The function to call when the page flip has completed
* @param data The data to pass to the callback function
*
* @ingroup Ecore_Drm_Fb_Group
* @since 1.15
*/
EAPI void ecore_drm_fb_send(Ecore_Drm_Device *dev, Ecore_Drm_Fb *fb, Ecore_Drm_Pageflip_Cb func, void *data);
EAPI Eina_Bool ecore_drm_launcher_connect(Ecore_Drm_Device *dev);
EAPI void ecore_drm_launcher_disconnect(Ecore_Drm_Device *dev);

67
src/lib/ecore_drm/ecore_drm_fb.c
View File

@ -162,3 +162,70 @@ ecore_drm_fb_dirty(Ecore_Drm_Fb *fb, Eina_Rectangle *rects, unsigned int count)
}
#endif
}
EAPI void
ecore_drm_fb_set(Ecore_Drm_Device *dev, Ecore_Drm_Fb *fb)
{
Ecore_Drm_Output *output;
Eina_List *l;
EINA_SAFETY_ON_NULL_RETURN(dev);
EINA_SAFETY_ON_NULL_RETURN(fb);
if ((fb->w != dev->dumb[0]->w) || (fb->h != dev->dumb[0]->h))
{
/* we need to copy from fb to dev->dumb */
CRIT("Trying to set a Framebuffer of improper size !!");
return;
}
EINA_LIST_FOREACH(dev->outputs, l, output)
{
int x = 0, y = 0;
if (!output->cloned)
{
x = output->x;
y = output->y;
}
if (drmModeSetCrtc(dev->drm.fd, output->crtc_id, fb->id, x, y,
&output->conn_id, 1, &output->current_mode->info))
{
ERR("Failed to set Mode %dx%d for Output %s: %m",
output->current_mode->width, output->current_mode->height,
output->name);
}
}
}
EAPI void
ecore_drm_fb_send(Ecore_Drm_Device *dev, Ecore_Drm_Fb *fb, Ecore_Drm_Pageflip_Cb func, void *data)
{
Ecore_Drm_Output *output;
Eina_List *l;
Ecore_Drm_Pageflip_Callback *cb;
EINA_SAFETY_ON_NULL_RETURN(dev);
EINA_SAFETY_ON_NULL_RETURN(fb);
EINA_SAFETY_ON_NULL_RETURN(func);
if (eina_list_count(dev->outputs) < 1) return;
if (!(cb = calloc(1, sizeof(Ecore_Drm_Pageflip_Callback))))
return;
cb->func = func;
cb->data = data;
cb->count = eina_list_count(dev->outputs);
EINA_LIST_FOREACH(dev->outputs, l, output)
{
if (drmModePageFlip(dev->drm.fd, output->crtc_id, fb->id,
DRM_MODE_PAGE_FLIP_EVENT, cb) < 0)
{
ERR("Cannot flip crtc %u for connector %u: %m",
output->crtc_id, output->conn_id);
}
}
}