Pullakavi Srinivas | 17495f1 | 2019-09-16 20:25:20 +0530 | [diff] [blame^] | 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 | |
| 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 | |
| 81 | bool HWCVirtualDisplayFactory::IsGPUColorConvertSupported() { |
| 82 | int value = 0; |
| 83 | HWCDebugHandler::Get()->GetProperty(DISABLE_GPU_COLOR_CONVERT, &value); |
| 84 | return (value == 0); |
| 85 | } |
| 86 | |
| 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 |