1 /*
2 * Copyright (c) 2019, 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 "hwc_display_virtual_factory.h"
31 #include "hwc_display_virtual_dpu.h"
32 #include "hwc_display_virtual_gpu.h"
33
34 #define __CLASS__ "HWCVirtualDisplayFactory"
35
36 namespace sdm {
37
Create(CoreInterface * core_intf,HWCBufferAllocator * buffer_allocator,HWCCallbacks * callbacks,hwc2_display_t id,int32_t sdm_id,uint32_t width,uint32_t height,int32_t * format,float min_lum,float max_lum,HWCDisplay ** hwc_display)38 int HWCVirtualDisplayFactory::Create(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator,
39 HWCCallbacks *callbacks, hwc2_display_t id, int32_t sdm_id,
40 uint32_t width, uint32_t height, int32_t *format,
41 float min_lum, float max_lum, HWCDisplay **hwc_display) {
42 int supported_virtual_displays = 0;
43 DisplayError error = core_intf->GetMaxDisplaysSupported(kVirtual, &supported_virtual_displays);
44 if (error != kErrorNone) {
45 DLOGE("Could not find maximum virtual displays supported. Error = %d", error);
46 return -1;
47 }
48
49 HWCDisplayVirtual *hwc_display_virtual = nullptr;
50 if (supported_virtual_displays) {
51 hwc_display_virtual = new HWCDisplayVirtualDPU(core_intf, buffer_allocator, callbacks, id,
52 sdm_id, width, height, min_lum, max_lum);
53 } else {
54 // Create GPU based virtual display.
55 hwc_display_virtual = new HWCDisplayVirtualGPU(core_intf, buffer_allocator, callbacks, id,
56 sdm_id, width, height, min_lum, max_lum);
57 }
58
59 if (hwc_display_virtual == nullptr) {
60 DLOGE("Failed to create instance");
61 return -1;
62 } else {
63 DLOGI("Created %s based virtual display", (supported_virtual_displays ? "DPU" : "GPU"));
64 }
65
66 int status = hwc_display_virtual->Init();
67 if (status) {
68 DLOGW("Failed to initialize virtual display");
69 Destroy(hwc_display_virtual);
70 return status;
71 }
72
73 // TODO(user): Populate format correctly
74 DLOGI("Creating virtual display: w: %d h:%d format:0x%x", width, height, *format);
75
76 *hwc_display = hwc_display_virtual;
77
78 return status;
79 }
80
IsGPUColorConvertSupported()81 bool HWCVirtualDisplayFactory::IsGPUColorConvertSupported() {
82 int value = 0;
83 HWCDebugHandler::Get()->GetProperty(DISABLE_GPU_COLOR_CONVERT, &value);
84 return (value == 0);
85 }
86
Destroy(HWCDisplay * hwc_display)87 void HWCVirtualDisplayFactory::Destroy(HWCDisplay *hwc_display) {
88 DLOGI("Destroying virtual display instance");
89 if (hwc_display->Deinit() != 0) {
90 DLOGE("Failed to destroy instance");
91 }
92
93 delete hwc_display;
94 }
95
96 } // namespace sdm
97