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Merge branch 'master' of git://github.com/jsarha/kmsxx
[android/external-libkmsxx.git] / libkms++ / atomicreq.cpp
1 #include <cassert>
3 #include <xf86drm.h>
4 #include <xf86drmMode.h>
6 #include "atomicreq.h"
7 #include "property.h"
8 #include "card.h"
10 #ifndef DRM_CLIENT_CAP_ATOMIC
12 #define DRM_MODE_ATOMIC_TEST_ONLY 0
14 struct _drmModeAtomicReq;
15 typedef struct _drmModeAtomicReq* drmModeAtomicReqPtr;
17 static inline drmModeAtomicReqPtr drmModeAtomicAlloc() { return 0; }
18 static inline void drmModeAtomicFree(drmModeAtomicReqPtr) { }
19 static inline int drmModeAtomicAddProperty(drmModeAtomicReqPtr, uint32_t, uint32_t, uint64_t) { return 0; }
20 static inline int drmModeAtomicCommit(int, drmModeAtomicReqPtr, int, void*) { return 0; }
22 #endif // DRM_CLIENT_CAP_ATOMIC
24 namespace kms
25 {
26 AtomicReq::AtomicReq(Card& card)
27         : m_card(card)
28 {
29         assert(card.has_atomic());
30         m_req = drmModeAtomicAlloc();
31 }
33 AtomicReq::~AtomicReq()
34 {
35         drmModeAtomicFree(m_req);
36 }
38 void AtomicReq::add(uint32_t ob_id, uint32_t prop_id, uint64_t value)
39 {
40         int r = drmModeAtomicAddProperty(m_req, ob_id, prop_id, value);
41         if (r <= 0)
42                 throw std::invalid_argument("foo");
43 }
45 void AtomicReq::add(DrmObject *ob, Property *prop, uint64_t value)
46 {
47         add(ob->id(), prop->id(), value);
48 }
50 int AtomicReq::test()
51 {
52         uint32_t flags = DRM_MODE_ATOMIC_TEST_ONLY;
54         return drmModeAtomicCommit(m_card.fd(), m_req, flags, 0);
55 }
57 int AtomicReq::commit(void* data)
58 {
59         uint32_t flags = DRM_MODE_PAGE_FLIP_EVENT;
61         return drmModeAtomicCommit(m_card.fd(), m_req, flags, data);
62 }
63 }