Differential D5118 Diff 12809 plugins/platforms/drm/drm_object_crtc.cpp

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plugins/platforms/drm/drm_object_crtc.cpp

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13	but WITHOUT ANY WARRANTY; without even the implied warranty of	13		but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	14		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	15		GNU General Public License for more details.
16		16
17	You should have received a copy of the GNU General Public License	17		You should have received a copy of the GNU General Public License
18	along with this program. If not, see <http://www.gnu.org/licenses/>.	18		along with this program. If not, see <http://www.gnu.org/licenses/>.
19	*********************************************************************/	19		*********************************************************************/
20	#include "drm_object_crtc.h"	20		#include "drm_object_crtc.h"
		21		#include "drm_backend.h"
		22		#include "drm_output.h"
		23		#include "drm_buffer.h"
21	#include "logging.h"	24		#include "logging.h"
22		25
23	namespace KWin	26		namespace KWin
24	{	27		{
25		28
26	DrmCrtc::DrmCrtc(uint32_t crtc_id, int fd)	29		DrmCrtc::DrmCrtc(uint32_t crtc_id, int fd, int resIndex)
27	: DrmObject(crtc_id, fd)	30		: DrmObject(crtc_id, fd),
		31		m_resIndex(resIndex)
28	{	32		{
29	}	33		}
30		34
31	DrmCrtc::~DrmCrtc() = default;	35		DrmCrtc::~DrmCrtc()
		36		{
		37		}
32		38
33	bool DrmCrtc::init()	39		bool DrmCrtc::init()
34	{	40		{
35	qCDebug(KWIN_DRM) << "Creating CRTC" << m_id;	41		qCDebug(KWIN_DRM) << "Atomic init for CRTC:" << resIndex() << "id:" << m_id;
36		42
37	if (!initProps()) {	43		if (!initProps()) {
38	return false;	44		return false;
39	}	45		}
40	return true;	46		return true;
41	}	47		}
42		48
43	bool DrmCrtc::initProps()	49		bool DrmCrtc::initProps()
Show All 12 Lines		50	{
56	int propCount = int(PropertyIndex::Count);	62		int propCount = int(PropertyIndex::Count);
57	for (int j = 0; j < propCount; ++j) {	63		for (int j = 0; j < propCount; ++j) {
58	initProp(j, properties);	64		initProp(j, properties);
59	}	65		}
60	drmModeFreeObjectProperties(properties);	66		drmModeFreeObjectProperties(properties);
61	return true;	67		return true;
62	}	68		}
63		69
		70		void DrmCrtc::flipBuffer()
		71		{
		72		if (m_currentBuffer && m_currentBuffer->deleteAfterPageFlip() && m_currentBuffer != m_nextBuffer) {
		73		delete m_currentBuffer;
		74		}
		75		m_currentBuffer = m_nextBuffer;
		76		m_nextBuffer = nullptr;
		77		}
		78
		79		bool DrmCrtc::blank()
		80		{
		81		DrmBuffer *blackBuffer = m_output->m_backend->createBuffer(m_output->size());
		82		if (!blackBuffer->map()) {
		83		delete blackBuffer;
		84		return false;
		85		}
		86		blackBuffer->image()->fill(Qt::black);
		87
		88		// TODO: Do this atomically
		89		if (m_output->setModeLegacy(blackBuffer)) {
		90		if (m_currentBuffer && m_currentBuffer->deleteAfterPageFlip()) {
		91		delete m_currentBuffer;
		92		}
		93		delete m_nextBuffer;
		94		m_currentBuffer = blackBuffer;
			romanggAuthorUnsubmitted Done This and the unconditional delete above will break in QPainter mode, where the buffers are reused. romangg: This and the unconditional delete above will break in QPainter mode, where the buffers are…
		95		return true;
		96		}
		97		return false;
		98		}
		99
64	}	100		}