1 /*
2 * Copyright (c) 2017, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer in the documentation and/or other materials provided
12 * with the distribution.
13 * * Neither the name of The Linux Foundation nor the names of its
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include "display_null.h"
31
32 #define __CLASS__ "DisplayNull"
33
34 namespace sdm {
35
Commit(LayerStack * layer_stack)36 DisplayError DisplayNull::Commit(LayerStack *layer_stack) {
37 for (Layer *layer : layer_stack->layers) {
38 if (layer->composition != kCompositionGPUTarget) {
39 layer->composition = kCompositionSDE;
40 layer->input_buffer.release_fence_fd = -1;
41 }
42 }
43 layer_stack->retire_fence_fd = -1;
44
45 return kErrorNone;
46 }
47
GetDisplayState(DisplayState * state)48 DisplayError DisplayNull::GetDisplayState(DisplayState *state) {
49 *state = state_;
50 return kErrorNone;
51 }
52
SetDisplayState(DisplayState state)53 DisplayError DisplayNull::SetDisplayState(DisplayState state) {
54 state_ = state;
55 return kErrorNone;
56 }
57
SetFrameBufferConfig(const DisplayConfigVariableInfo & variable_info)58 DisplayError DisplayNull::SetFrameBufferConfig(const DisplayConfigVariableInfo &variable_info) {
59 fb_config_ = variable_info;
60 return kErrorNone;
61 }
62
GetFrameBufferConfig(DisplayConfigVariableInfo * variable_info)63 DisplayError DisplayNull::GetFrameBufferConfig(DisplayConfigVariableInfo *variable_info) {
64 *variable_info = fb_config_;
65 return kErrorNone;
66 }
67
68 } // namespace sdm
69