Differential D5191 Diff 14332 plugins/platforms/drm/drm_object_crtc.cpp

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plugins/platforms/drm/drm_object_crtc.cpp

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13but WITHOUT ANY WARRANTY; without even the implied warranty of 13​but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14​MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details. 15​GNU General Public License for more details.
16 16​
17You should have received a copy of the GNU General Public License 17​You should have received a copy of the GNU General Public License
18along 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​
23namespace KWin 26​namespace KWin
24{ 27​{
25 28​
26DrmCrtc::DrmCrtc(uint32_t crtc_id, int fd) 29​DrmCrtc::DrmCrtc(uint32_t crtc_id, DrmBackend *backend, int resIndex)
27 : DrmObject(crtc_id, fd) 30​ : DrmObject(crtc_id, backend),
31​ m_resIndex(resIndex)
28{ 32​{
29} 33​}
30 34​
31DrmCrtc::~DrmCrtc() = default; 35​DrmCrtc::~DrmCrtc()
36​{
37​}
32 38​
33bool DrmCrtc::init() 39​bool DrmCrtc::atomicInit()
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​
43bool DrmCrtc::initProps() 49​bool DrmCrtc::initProps()
44{ 50​{
45 m_propsNames = { 51​ m_propsNames = {
46 QByteArrayLiteral("MODE_ID"), 52​ QByteArrayLiteral("MODE_ID"),
47 QByteArrayLiteral("ACTIVE"), 53​ QByteArrayLiteral("ACTIVE"),
48 }; 54​ };
49 55​
50 drmModeObjectProperties *properties = drmModeObjectGetProperties(m_fd, m_id, DRM_MODE_OBJECT_CRTC); 56​ drmModeObjectProperties *properties = drmModeObjectGetProperties(m_backend->fd(), m_id, DRM_MODE_OBJECT_CRTC);
51 if (!properties) { 57​ if (!properties) {
52 qCWarning(KWIN_DRM) << "Failed to get properties for crtc " << m_id ; 58​ qCWarning(KWIN_DRM) << "Failed to get properties for crtc " << m_id ;
53 return false; 59​ return false;
54 } 60​ }
55 61​
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_backend->deleteBufferAfterPageFlip() && m_currentBuffer != m_nextBuffer) {
73​ delete m_currentBuffer;
74​ }
75​ m_currentBuffer = m_nextBuffer;
76​ m_nextBuffer = nullptr;
77​
78​ delete m_blackBuffer;
79​ m_blackBuffer = nullptr;
80​}
81​
82​bool DrmCrtc::blank()
83​{
84​ if (!m_blackBuffer) {
85​ DrmDumbBuffer *blackBuffer = m_backend->createBuffer(m_output->pixelSize());
86​ if (!blackBuffer->map()) {
87​ delete blackBuffer;
88​ return false;
89​ }
90​ blackBuffer->image()->fill(Qt::black);
91​ m_blackBuffer = blackBuffer;
92​ }
93​
94​ if (m_output->setModeLegacy(m_blackBuffer)) {
95​ if (m_currentBuffer && m_backend->deleteBufferAfterPageFlip()) {
96​ delete m_currentBuffer;
97​ delete m_nextBuffer;
98​ }
99​ m_currentBuffer = nullptr;
100​ m_nextBuffer = nullptr;
101​ return true;
102​ }
103​ return false;
104​}
105​
64} 106​}