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ecore-evas-drm: Implement support for hardware output rotations 

This patch adds support for doing output rotations via hardware. This
is implemented inside the Ecore_Evas engine so that it is transparent
to the caller of ecore_evas_rotation_set.

ref T5999

Signed-off-by: Chris Michael <cp.michael@samsung.com>
This commit is contained in:
Chris Michael 2017-10-04 11:41:59 -04:00
parent ccf3297a0d
commit 5e36b1c7c1
1 changed files with 52 additions and 1 deletions
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53
src/modules/ecore_evas/engines/drm/ecore_evas_drm.c
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@ -221,13 +221,64 @@ static void
_drm_rotation_do(Ecore_Evas *ee, int rotation, int resize)
{
Evas_Engine_Info_Drm *einfo;
int diff;
Ecore_Evas_Engine_Drm_Data *edata;
Eina_Bool use_hw = EINA_FALSE;
int diff, rotations = 0, orient = 0;
if (ee->rotation == rotation) return;
einfo = (Evas_Engine_Info_Drm *)evas_engine_info_get(ee->evas);
if (!einfo) return;
edata = ee->engine.data;
rotations = ecore_drm2_output_supported_rotations_get(edata->output);
if (rotations >= 0)
{
if (rotations & ECORE_DRM2_ROTATION_NORMAL)
{
if (rotation == 0)
{
use_hw = EINA_TRUE;
orient = ECORE_DRM2_ROTATION_NORMAL;
}
}
if (rotations & ECORE_DRM2_ROTATION_90)
{
if (rotation == 90)
{
use_hw = EINA_TRUE;
orient = ECORE_DRM2_ROTATION_90;
}
}
if (rotations & ECORE_DRM2_ROTATION_180)
{
if (rotation == 180)
{
use_hw = EINA_TRUE;
orient = ECORE_DRM2_ROTATION_180;
}
}
if (rotations & ECORE_DRM2_ROTATION_270)
{
if (rotation == 270)
{
use_hw = EINA_TRUE;
orient = ECORE_DRM2_ROTATION_270;
}
}
}
if (use_hw)
{
ecore_drm2_output_rotation_set(edata->output, orient);
ee->rotation = rotation;
return;
}
einfo->info.rotation = rotation;
if (!evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo))
ERR("evas_engine_info_set() for engine '%s' failed", ee->driver);