1/* 2* Copyright (c) 2016, The Linux Foundation. All rights reserved. 3* 4* Redistribution and use in source and binary forms, with or without modification, are permitted 5* provided that the following conditions are met: 6* * Redistributions of source code must retain the above copyright notice, this list of 7* conditions and the following disclaimer. 8* * Redistributions in binary form must reproduce the above copyright notice, this list of 9* conditions and the following disclaimer in the documentation and/or other materials provided 10* with the distribution. 11* * Neither the name of The Linux Foundation nor the names of its contributors may be used to 12* endorse or promote products derived from this software without specific prior written 13* permission. 14* 15* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 17* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 18* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 20* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 21* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23*/ 24 25#ifndef __HWC_DISPLAY_NULL_H__ 26#define __HWC_DISPLAY_NULL_H__ 27 28#include <qdMetaData.h> 29#include <gralloc_priv.h> 30#include "hwc_display.h" 31 32namespace sdm { 33 34class HWCDisplayNull : public HWCDisplay { 35 public: 36 static int Create(CoreInterface *core_intf, hwc_procs_t const **hwc_procs, 37 HWCDisplay **hwc_display); 38 static void Destroy(HWCDisplay *hwc_display); 39 virtual int Init(); 40 virtual int Deinit(); 41 virtual int Prepare(hwc_display_contents_1_t *content_list); 42 virtual int Commit(hwc_display_contents_1_t *content_list); 43 virtual int EventControl(int event, int enable) { return 0; } 44 virtual int SetPowerMode(int mode) { return 0; } 45 46 // Framebuffer configurations 47 virtual int GetDisplayConfigs(uint32_t *configs, size_t *num_configs) { 48 return HWCDisplay::GetDisplayConfigs(configs, num_configs); 49 } 50 51 virtual int GetDisplayAttributes(uint32_t config, const uint32_t *display_attributes, 52 int32_t *values); 53 virtual int GetActiveConfig() { return 0; } 54 virtual int SetActiveConfig(int index) { return -1; } 55 56 virtual void SetIdleTimeoutMs(uint32_t timeout_ms) { return; } 57 virtual void SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type) { return; } 58 virtual DisplayError SetMaxMixerStages(uint32_t max_mixer_stages) { return kErrorNone; } 59 virtual DisplayError ControlPartialUpdate(bool enable, uint32_t *pending) { return kErrorNone; } 60 virtual uint32_t GetLastPowerMode() { return 0; } 61 virtual int SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels) { return 0; } 62 63 virtual void GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels) { 64 *x_pixels = x_res_; 65 *y_pixels = y_res_; 66 } 67 68 virtual void GetPanelResolution(uint32_t *x_pixels, uint32_t *y_pixels) { 69 *x_pixels = x_res_; 70 *y_pixels = y_res_; 71 } 72 73 virtual int SetDisplayStatus(uint32_t display_status) { return 0; } 74 virtual int OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level) { return 0; } 75 virtual int Perform(uint32_t operation, ...) { return 0; } 76 virtual int SetCursorPosition(int x, int y) { return 0; } 77 virtual void SetSecureDisplay(bool secure_display_active) { return; } 78 79 // Display Configurations 80 virtual int SetActiveDisplayConfig(int config) { return 0; } 81 virtual int GetActiveDisplayConfig(uint32_t *config) { return -1; } 82 virtual int GetDisplayConfigCount(uint32_t *count) { return -1; } 83 virtual int GetDisplayAttributesForConfig(int config, 84 DisplayConfigVariableInfo *display_attributes) { 85 return -1; 86 } 87 virtual bool IsValidContentList(hwc_display_contents_1_t *content_list) { 88 return true; 89 } 90 91 void SetResolution(uint32_t x_res, uint32_t y_res) { 92 x_res_ = x_res; 93 y_res_ = y_res; 94 } 95 96 97 private: 98 HWCDisplayNull(CoreInterface *core_intf, hwc_procs_t const **hwc_procs); 99 uint32_t x_res_ = 1920; 100 uint32_t y_res_ = 1080; 101}; 102 103} // namespace sdm 104 105#endif // __HWC_DISPLAY_NULL_H__ 106 107