| /* |
| * Copyright (c) 2014-2019, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <cutils/properties.h> |
| #include <utils/constants.h> |
| #include <utils/debug.h> |
| #include <algorithm> |
| |
| #include "hwc_display_pluggable.h" |
| #include "hwc_debugger.h" |
| |
| #define __CLASS__ "HWCDisplayPluggable" |
| |
| namespace sdm { |
| |
| int HWCDisplayPluggable::Create(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator, |
| HWCCallbacks *callbacks, HWCDisplayEventHandler *event_handler, |
| qService::QService *qservice, hwc2_display_t id, int32_t sdm_id, |
| uint32_t primary_width, uint32_t primary_height, |
| bool use_primary_res, HWCDisplay **hwc_display) { |
| uint32_t pluggable_width = 0; |
| uint32_t pluggable_height = 0; |
| DisplayError error = kErrorNone; |
| |
| HWCDisplay *hwc_display_pluggable = new HWCDisplayPluggable(core_intf, buffer_allocator, |
| callbacks, event_handler, qservice, id, sdm_id); |
| int status = hwc_display_pluggable->Init(); |
| if (status) { |
| delete hwc_display_pluggable; |
| return status; |
| } |
| |
| error = hwc_display_pluggable->GetMixerResolution(&pluggable_width, &pluggable_height); |
| if (error != kErrorNone) { |
| Destroy(hwc_display_pluggable); |
| return -EINVAL; |
| } |
| |
| if (primary_width && primary_height) { |
| // use_primary_res means HWCDisplayPluggable should directly set framebuffer resolution to the |
| // provided primary_width and primary_height |
| if (use_primary_res) { |
| pluggable_width = primary_width; |
| pluggable_height = primary_height; |
| } else { |
| int downscale_enabled = 0; |
| HWCDebugHandler::Get()->GetProperty(ENABLE_EXTERNAL_DOWNSCALE_PROP, &downscale_enabled); |
| if (downscale_enabled) { |
| GetDownscaleResolution(primary_width, primary_height, &pluggable_width, &pluggable_height); |
| } |
| } |
| } |
| |
| status = hwc_display_pluggable->SetFrameBufferResolution(pluggable_width, pluggable_height); |
| if (status) { |
| Destroy(hwc_display_pluggable); |
| return status; |
| } |
| |
| *hwc_display = hwc_display_pluggable; |
| |
| return status; |
| } |
| |
| int HWCDisplayPluggable::Init() { |
| int status = HWCDisplay::Init(); |
| if (status) { |
| return status; |
| } |
| color_mode_ = new HWCColorMode(display_intf_); |
| color_mode_->Init(); |
| |
| return status; |
| } |
| |
| void HWCDisplayPluggable::Destroy(HWCDisplay *hwc_display) { |
| // Flush the display to have outstanding fences signaled. |
| hwc_display->Flush(); |
| hwc_display->Deinit(); |
| delete hwc_display; |
| } |
| |
| HWCDisplayPluggable::HWCDisplayPluggable(CoreInterface *core_intf, |
| HWCBufferAllocator *buffer_allocator, |
| HWCCallbacks *callbacks, |
| HWCDisplayEventHandler *event_handler, |
| qService::QService *qservice, |
| hwc2_display_t id, |
| int32_t sdm_id) |
| : HWCDisplay(core_intf, buffer_allocator, callbacks, event_handler, qservice, kPluggable, id, |
| sdm_id, DISPLAY_CLASS_PLUGGABLE) { |
| } |
| |
| HWC2::Error HWCDisplayPluggable::Validate(uint32_t *out_num_types, uint32_t *out_num_requests) { |
| auto status = HWC2::Error::None; |
| |
| if (active_secure_sessions_[kSecureDisplay]) { |
| MarkLayersForGPUBypass(); |
| return status; |
| } |
| |
| BuildLayerStack(); |
| |
| if (layer_set_.empty()) { |
| flush_ = true; |
| validated_ = true; |
| return status; |
| } |
| |
| // Apply current Color Mode and Render Intent. |
| if (color_mode_->ApplyCurrentColorModeWithRenderIntent( |
| static_cast<bool>(layer_stack_.flags.hdr_present)) != HWC2::Error::None) { |
| // Fallback to GPU Composition, if Color Mode can't be applied. |
| MarkLayersForClientComposition(); |
| } |
| |
| // TODO(user): SetRefreshRate need to follow new interface when added. |
| |
| status = PrepareLayerStack(out_num_types, out_num_requests); |
| return status; |
| } |
| |
| HWC2::Error HWCDisplayPluggable::Present(int32_t *out_retire_fence) { |
| auto status = HWC2::Error::None; |
| |
| if (!active_secure_sessions_[kSecureDisplay]) { |
| status = HWCDisplay::CommitLayerStack(); |
| if (status == HWC2::Error::None) { |
| status = HWCDisplay::PostCommitLayerStack(out_retire_fence); |
| } |
| } |
| return status; |
| } |
| |
| void HWCDisplayPluggable::ApplyScanAdjustment(hwc_rect_t *display_frame) { |
| if ((underscan_width_ <= 0) || (underscan_height_ <= 0)) { |
| return; |
| } |
| |
| float width_ratio = FLOAT(underscan_width_) / 100.0f; |
| float height_ratio = FLOAT(underscan_height_) / 100.0f; |
| |
| uint32_t mixer_width = 0; |
| uint32_t mixer_height = 0; |
| GetMixerResolution(&mixer_width, &mixer_height); |
| |
| if (mixer_width == 0 || mixer_height == 0) { |
| DLOGV("Invalid mixer dimensions (%d, %d)", mixer_width, mixer_height); |
| return; |
| } |
| |
| uint32_t new_mixer_width = UINT32(mixer_width * FLOAT(1.0f - width_ratio)); |
| uint32_t new_mixer_height = UINT32(mixer_height * FLOAT(1.0f - height_ratio)); |
| |
| int x_offset = INT((FLOAT(mixer_width) * width_ratio) / 2.0f); |
| int y_offset = INT((FLOAT(mixer_height) * height_ratio) / 2.0f); |
| |
| display_frame->left = (display_frame->left * INT32(new_mixer_width) / INT32(mixer_width)) |
| + x_offset; |
| display_frame->top = (display_frame->top * INT32(new_mixer_height) / INT32(mixer_height)) + |
| y_offset; |
| display_frame->right = ((display_frame->right * INT32(new_mixer_width)) / INT32(mixer_width)) + |
| x_offset; |
| display_frame->bottom = ((display_frame->bottom * INT32(new_mixer_height)) / INT32(mixer_height)) |
| + y_offset; |
| } |
| |
| static void AdjustSourceResolution(uint32_t dst_width, uint32_t dst_height, uint32_t *src_width, |
| uint32_t *src_height) { |
| *src_height = (dst_width * (*src_height)) / (*src_width); |
| *src_width = dst_width; |
| } |
| |
| void HWCDisplayPluggable::GetDownscaleResolution(uint32_t primary_width, uint32_t primary_height, |
| uint32_t *non_primary_width, |
| uint32_t *non_primary_height) { |
| uint32_t primary_area = primary_width * primary_height; |
| uint32_t non_primary_area = (*non_primary_width) * (*non_primary_height); |
| |
| if (primary_area > non_primary_area) { |
| if (primary_height > primary_width) { |
| std::swap(primary_height, primary_width); |
| } |
| AdjustSourceResolution(primary_width, primary_height, non_primary_width, non_primary_height); |
| } |
| } |
| |
| int HWCDisplayPluggable::SetState(bool connected) { |
| DisplayError error = kErrorNone; |
| DisplayState state = kStateOff; |
| DisplayConfigVariableInfo fb_config = {}; |
| |
| if (connected) { |
| if (display_null_.IsActive()) { |
| error = core_intf_->CreateDisplay(type_, this, &display_intf_); |
| if (error != kErrorNone) { |
| DLOGE("Display create failed. Error = %d display_type %d event_handler %p disp_intf %p", |
| error, type_, this, &display_intf_); |
| return -EINVAL; |
| } |
| |
| // Restore HDMI attributes when display is reconnected. |
| // This is to ensure that surfaceflinger & sdm are in sync. |
| display_null_.GetFrameBufferConfig(&fb_config); |
| int status = SetFrameBufferResolution(fb_config.x_pixels, fb_config.y_pixels); |
| if (status) { |
| DLOGW("Set frame buffer config failed. Error = %d", error); |
| return -1; |
| } |
| int release_fence = -1; |
| display_null_.GetDisplayState(&state); |
| display_intf_->SetDisplayState(state, false /* teardown */, &release_fence); |
| if (release_fence >= 0) { |
| ::close(release_fence); |
| } |
| validated_ = false; |
| |
| SetVsyncEnabled(HWC2::Vsync::Enable); |
| |
| display_null_.SetActive(false); |
| DLOGI("Display is connected successfully."); |
| } else { |
| DLOGI("Display is already connected."); |
| } |
| } else { |
| if (!display_null_.IsActive()) { |
| int release_fence = -1; |
| // Preserve required attributes of HDMI display that surfaceflinger sees. |
| // Restore HDMI attributes when display is reconnected. |
| display_intf_->GetDisplayState(&state); |
| display_null_.SetDisplayState(state, false /* teardown */, &release_fence); |
| if (release_fence >= 0) { |
| ::close(release_fence); |
| } |
| |
| error = display_intf_->GetFrameBufferConfig(&fb_config); |
| if (error != kErrorNone) { |
| DLOGW("Get frame buffer config failed. Error = %d", error); |
| return -1; |
| } |
| display_null_.SetFrameBufferConfig(fb_config); |
| |
| SetVsyncEnabled(HWC2::Vsync::Disable); |
| core_intf_->DestroyDisplay(display_intf_); |
| display_intf_ = &display_null_; |
| |
| display_null_.SetActive(true); |
| DLOGI("Display is disconnected successfully."); |
| } else { |
| DLOGI("Display is already disconnected."); |
| } |
| } |
| |
| return 0; |
| } |
| |
| void HWCDisplayPluggable::GetUnderScanConfig() { |
| if (!display_intf_->IsUnderscanSupported()) { |
| // Read user defined underscan width and height |
| HWCDebugHandler::Get()->GetProperty(EXTERNAL_ACTION_SAFE_WIDTH_PROP, &underscan_width_); |
| HWCDebugHandler::Get()->GetProperty(EXTERNAL_ACTION_SAFE_HEIGHT_PROP, &underscan_height_); |
| } |
| } |
| |
| DisplayError HWCDisplayPluggable::Flush() { |
| return display_intf_->Flush(&layer_stack_); |
| } |
| |
| HWC2::Error HWCDisplayPluggable::GetColorModes(uint32_t *out_num_modes, ColorMode *out_modes) { |
| if (out_modes == nullptr) { |
| *out_num_modes = color_mode_->GetColorModeCount(); |
| } else { |
| color_mode_->GetColorModes(out_num_modes, out_modes); |
| } |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HWCDisplayPluggable::GetRenderIntents(ColorMode mode, uint32_t *out_num_intents, |
| RenderIntent *out_intents) { |
| if (out_intents == nullptr) { |
| *out_num_intents = color_mode_->GetRenderIntentCount(mode); |
| } else { |
| color_mode_->GetRenderIntents(mode, out_num_intents, out_intents); |
| } |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HWCDisplayPluggable::SetColorMode(ColorMode mode) { |
| return SetColorModeWithRenderIntent(mode, RenderIntent::COLORIMETRIC); |
| } |
| |
| HWC2::Error HWCDisplayPluggable::SetColorModeWithRenderIntent(ColorMode mode, RenderIntent intent) { |
| auto status = color_mode_->CacheColorModeWithRenderIntent(mode, intent); |
| if (status != HWC2::Error::None) { |
| DLOGE("failed for mode = %d intent = %d", mode, intent); |
| return status; |
| } |
| |
| callbacks_->Refresh(id_); |
| validated_ = false; |
| |
| return status; |
| } |
| |
| HWC2::Error HWCDisplayPluggable::UpdatePowerMode(HWC2::PowerMode mode) { |
| current_power_mode_ = mode; |
| validated_ = false; |
| return HWC2::Error::None; |
| } |
| |
| } // namespace sdm |