1 /*
2  * Copyright (c) 2019-2020, 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
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27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef __HWC_DISPLAY_VIRTUAL_GPU_H__
31 #define __HWC_DISPLAY_VIRTUAL_GPU_H__
32 
33 #include "utils/sync_task.h"
34 #include "hwc_display_virtual.h"
35 #include "gl_color_convert.h"
36 
37 namespace sdm {
38 
39 enum class ColorConvertTaskCode : int32_t {
40   kCodeGetInstance,
41   kCodeBlit,
42   kCodeReset,
43   kCodeDestroyInstance,
44 };
45 
46 struct ColorConvertGetInstanceContext : public SyncTask<ColorConvertTaskCode>::TaskContext {
47   LayerBuffer *output_buffer = NULL;
48 };
49 
50 struct ColorConvertBlitContext : public SyncTask<ColorConvertTaskCode>::TaskContext {
51   const private_handle_t* src_hnd = nullptr;
52   const private_handle_t* dst_hnd = nullptr;
53   GLRect src_rect = {};
54   GLRect dst_rect = {};
55   shared_ptr<Fence> src_acquire_fence = nullptr;
56   shared_ptr<Fence> dst_acquire_fence = nullptr;
57   shared_ptr<Fence> release_fence = nullptr;
58 };
59 
60 class HWCDisplayVirtualGPU : public HWCDisplayVirtual,
61                              public SyncTask<ColorConvertTaskCode>::TaskHandler {
62  public:
63   HWCDisplayVirtualGPU(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator,
64                        HWCCallbacks *callbacks, hwc2_display_t id, int32_t sdm_id,
65                        uint32_t width, uint32_t height, float min_lum, float max_lum);
66   virtual int Init();
67   virtual int Deinit();
68   virtual HWC2::Error Validate(uint32_t *out_num_types, uint32_t *out_num_requests);
69   virtual HWC2::Error Present(shared_ptr<Fence> *out_retire_fence);
70   virtual HWC2::Error SetOutputBuffer(buffer_handle_t buf, shared_ptr<Fence> release_fence);
71   virtual bool FreezeScreen();
72 
73  private:
74   // SyncTask methods.
75   void OnTask(const ColorConvertTaskCode &task_code,
76               SyncTask<ColorConvertTaskCode>::TaskContext *task_context);
77 
78   SyncTask<ColorConvertTaskCode> color_convert_task_;
79   GLColorConvert *gl_color_convert_;
80 
81   bool disable_animation_ = false;
82   bool animation_in_progress_ = false;
83 };
84 
85 }  // namespace sdm
86 
87 #endif  // __HWC_DISPLAY_VIRTUAL_GPU_H__
88