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      1 /*
      2 * Copyright (c) 2014-2017, 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 <utils/constants.h>
     31 #include <utils/debug.h>
     32 #include <sync/sync.h>
     33 #include <stdarg.h>
     34 #ifndef USE_GRALLOC1
     35 #include <gr.h>
     36 #endif
     37 
     38 #include "hwc_display_virtual.h"
     39 #include "hwc_debugger.h"
     40 
     41 #define __CLASS__ "HWCDisplayVirtual"
     42 
     43 namespace sdm {
     44 
     45 int HWCDisplayVirtual::Create(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator,
     46                               HWCCallbacks *callbacks, uint32_t width,
     47                               uint32_t height, int32_t *format, HWCDisplay **hwc_display) {
     48   int status = 0;
     49   HWCDisplayVirtual *hwc_display_virtual = new HWCDisplayVirtual(core_intf, buffer_allocator,
     50                                                                  callbacks);
     51 
     52   // TODO(user): Populate format correctly
     53   DLOGI("Creating virtual display: w: %d h:%d format:0x%x", width, height, *format);
     54 
     55   status = hwc_display_virtual->Init();
     56   if (status) {
     57     DLOGW("Failed to initialize virtual display");
     58     delete hwc_display_virtual;
     59     return status;
     60   }
     61 
     62   status = INT32(hwc_display_virtual->SetPowerMode(HWC2::PowerMode::On));
     63   if (status) {
     64     DLOGW("Failed to set power mode on virtual display");
     65     Destroy(hwc_display_virtual);
     66     return status;
     67   }
     68 
     69   status = hwc_display_virtual->SetConfig(width, height);
     70   if (status) {
     71     Destroy(hwc_display_virtual);
     72     return status;
     73   }
     74 
     75   // TODO(user): Validate that we support this width/height
     76   status = hwc_display_virtual->SetFrameBufferResolution(width, height);
     77 
     78   if (status) {
     79     DLOGW("Failed to set virtual display FB resolution");
     80     Destroy(hwc_display_virtual);
     81     return status;
     82   }
     83 
     84   *hwc_display = static_cast<HWCDisplay *>(hwc_display_virtual);
     85 
     86   return 0;
     87 }
     88 
     89 void HWCDisplayVirtual::Destroy(HWCDisplay *hwc_display) {
     90   hwc_display->Deinit();
     91   delete hwc_display;
     92 }
     93 
     94 HWCDisplayVirtual::HWCDisplayVirtual(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator,
     95                                      HWCCallbacks *callbacks)
     96     : HWCDisplay(core_intf, callbacks, kVirtual, HWC_DISPLAY_VIRTUAL, false, NULL,
     97                  DISPLAY_CLASS_VIRTUAL, buffer_allocator) {
     98 }
     99 
    100 int HWCDisplayVirtual::Init() {
    101   output_buffer_ = new LayerBuffer();
    102   return HWCDisplay::Init();
    103 }
    104 
    105 int HWCDisplayVirtual::Deinit() {
    106   int status = 0;
    107   if (output_buffer_) {
    108     delete output_buffer_;
    109     output_buffer_ = nullptr;
    110   }
    111   status = HWCDisplay::Deinit();
    112 
    113   return status;
    114 }
    115 
    116 HWC2::Error HWCDisplayVirtual::Validate(uint32_t *out_num_types, uint32_t *out_num_requests) {
    117   auto status = HWC2::Error::None;
    118 
    119   if (display_paused_) {
    120     MarkLayersForGPUBypass();
    121     return status;
    122   }
    123 
    124   BuildLayerStack();
    125   layer_stack_.output_buffer = output_buffer_;
    126   status = PrepareLayerStack(out_num_types, out_num_requests);
    127   return status;
    128 }
    129 
    130 HWC2::Error HWCDisplayVirtual::Present(int32_t *out_retire_fence) {
    131   auto status = HWC2::Error::None;
    132   if (display_paused_) {
    133     DisplayError error = display_intf_->Flush();
    134     if (error != kErrorNone) {
    135       DLOGE("Flush failed. Error = %d", error);
    136     }
    137   } else {
    138     status = HWCDisplay::CommitLayerStack();
    139     if (status == HWC2::Error::None) {
    140       if (dump_frame_count_ && !flush_ && dump_output_layer_) {
    141         if (output_handle_ && output_handle_->base) {
    142           BufferInfo buffer_info;
    143           const private_handle_t *output_handle =
    144               reinterpret_cast<const private_handle_t *>(output_buffer_->buffer_id);
    145           buffer_info.buffer_config.width = static_cast<uint32_t>(output_handle->width);
    146           buffer_info.buffer_config.height = static_cast<uint32_t>(output_handle->height);
    147           buffer_info.buffer_config.format =
    148               GetSDMFormat(output_handle->format, output_handle->flags);
    149           buffer_info.alloc_buffer_info.size = static_cast<uint32_t>(output_handle->size);
    150           DumpOutputBuffer(buffer_info, reinterpret_cast<void *>(output_handle->base),
    151                            layer_stack_.retire_fence_fd);
    152         }
    153       }
    154 
    155       status = HWCDisplay::PostCommitLayerStack(out_retire_fence);
    156     }
    157   }
    158   CloseAcquireFds();
    159   close(output_buffer_->acquire_fence_fd);
    160   return status;
    161 }
    162 
    163 int HWCDisplayVirtual::SetConfig(uint32_t width, uint32_t height) {
    164   DisplayConfigVariableInfo variable_info;
    165   variable_info.x_pixels = width;
    166   variable_info.y_pixels = height;
    167   // TODO(user): Need to get the framerate of primary display and update it.
    168   variable_info.fps = 60;
    169   return display_intf_->SetActiveConfig(&variable_info);
    170 }
    171 
    172 HWC2::Error HWCDisplayVirtual::SetOutputBuffer(buffer_handle_t buf, int32_t release_fence) {
    173   if (buf == nullptr || release_fence == 0) {
    174     return HWC2::Error::BadParameter;
    175   }
    176   const private_handle_t *output_handle = static_cast<const private_handle_t *>(buf);
    177 
    178   // Fill output buffer parameters (width, height, format, plane information, fence)
    179   output_buffer_->acquire_fence_fd = dup(release_fence);
    180 
    181   if (output_handle) {
    182     output_buffer_->buffer_id = reinterpret_cast<uint64_t>(output_handle);
    183     int output_handle_format = output_handle->format;
    184 
    185     if (output_handle_format == HAL_PIXEL_FORMAT_RGBA_8888) {
    186       output_handle_format = HAL_PIXEL_FORMAT_RGBX_8888;
    187     }
    188 
    189     output_buffer_->format = GetSDMFormat(output_handle_format, output_handle->flags);
    190 
    191     if (output_buffer_->format == kFormatInvalid) {
    192       return HWC2::Error::BadParameter;
    193     }
    194 
    195     int aligned_width, aligned_height;
    196 #ifdef USE_GRALLOC1
    197     buffer_allocator_->GetCustomWidthAndHeight(output_handle, &aligned_width, &aligned_height);
    198 #else
    199     AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(output_handle, aligned_width,
    200                                                           aligned_height);
    201 #endif
    202 
    203     output_buffer_->width = UINT32(aligned_width);
    204     output_buffer_->height = UINT32(aligned_height);
    205     output_buffer_->flags.secure = 0;
    206     output_buffer_->flags.video = 0;
    207 
    208     // TZ Protected Buffer - L1
    209     if (output_handle->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER) {
    210       output_buffer_->flags.secure = 1;
    211     }
    212 
    213     // ToDo: Need to extend for non-RGB formats
    214     output_buffer_->planes[0].fd = output_handle->fd;
    215     output_buffer_->planes[0].offset = output_handle->offset;
    216     output_buffer_->planes[0].stride = UINT32(output_handle->width);
    217   }
    218 
    219   return HWC2::Error::None;
    220 }
    221 
    222 void HWCDisplayVirtual::SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type) {
    223   HWCDisplay::SetFrameDumpConfig(count, bit_mask_layer_type);
    224   dump_output_layer_ = ((bit_mask_layer_type & (1 << OUTPUT_LAYER_DUMP)) != 0);
    225 
    226   DLOGI("output_layer_dump_enable %d", dump_output_layer_);
    227 }
    228 
    229 }  // namespace sdm
    230