1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "hwc-drm-compositor"
18
19 #include "drmcompositor.h"
20 #include "drmdisplaycompositor.h"
21 #include "drmresources.h"
22
23 #include <sstream>
24 #include <stdlib.h>
25
26 #include <cutils/log.h>
27
28 namespace android {
29
DrmCompositor(DrmResources * drm)30 DrmCompositor::DrmCompositor(DrmResources *drm) : drm_(drm) {
31 }
32
~DrmCompositor()33 DrmCompositor::~DrmCompositor() {
34 }
35
Init()36 int DrmCompositor::Init() {
37 for (DrmResources::ConnectorIter iter = drm_->begin_connectors();
38 iter != drm_->end_connectors(); ++iter) {
39 int display = (*iter)->display();
40 int ret = compositor_map_[display].Init(drm_, display);
41 if (ret) {
42 ALOGE("Failed to initialize display compositor for %d", display);
43 return ret;
44 }
45 }
46
47 return 0;
48 }
49
CreateComposition(Importer * importer)50 Composition *DrmCompositor::CreateComposition(Importer *importer) {
51 DrmComposition *composition = new DrmComposition(drm_, importer);
52 if (!composition) {
53 ALOGE("Failed to allocate drm composition");
54 return NULL;
55 }
56 int ret = composition->Init();
57 if (ret) {
58 ALOGE("Failed to initialize drm composition %d", ret);
59 delete composition;
60 return NULL;
61 }
62 return composition;
63 }
64
QueueComposition(Composition * composition)65 int DrmCompositor::QueueComposition(Composition *composition) {
66 DrmComposition *drm_composition = (DrmComposition *)composition;
67 for (DrmResources::ConnectorIter iter = drm_->begin_connectors();
68 iter != drm_->end_connectors(); ++iter) {
69 int display = (*iter)->display();
70 int ret = compositor_map_[display].QueueComposition(
71 drm_composition->TakeDisplayComposition(display));
72 if (ret) {
73 ALOGE("Failed to queue composition for display %d", display);
74 delete composition;
75 return ret;
76 }
77 }
78
79 return 0;
80 }
81
Composite()82 int DrmCompositor::Composite() {
83 /*
84 * This shouldn't be called, we should be calling Composite() on the display
85 * compositors directly.
86 */
87 ALOGE("Calling base drm compositor Composite() function");
88 return -EINVAL;
89 }
90
Dump(std::ostringstream * out) const91 void DrmCompositor::Dump(std::ostringstream *out) const {
92 *out << "DrmCompositor stats:\n";
93 for (DrmResources::ConnectorIter iter = drm_->begin_connectors();
94 iter != drm_->end_connectors(); ++iter)
95 compositor_map_[(*iter)->display()].Dump(out);
96 }
97 }
98