| /* |
| * Copyright (c) 2014 - 2016, 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 <utils/constants.h> |
| #include <utils/debug.h> |
| |
| #include "strategy.h" |
| |
| #define __CLASS__ "Strategy" |
| |
| namespace sdm { |
| |
| Strategy::Strategy(ExtensionInterface *extension_intf, DisplayType type, |
| const HWResourceInfo &hw_resource_info, const HWPanelInfo &hw_panel_info, |
| const HWMixerAttributes &mixer_attributes, |
| const HWDisplayAttributes &display_attributes, |
| const DisplayConfigVariableInfo &fb_config) |
| : extension_intf_(extension_intf), display_type_(type), hw_resource_info_(hw_resource_info), |
| hw_panel_info_(hw_panel_info), mixer_attributes_(mixer_attributes), |
| display_attributes_(display_attributes), fb_config_(fb_config) { |
| } |
| |
| DisplayError Strategy::Init() { |
| DisplayError error = kErrorNone; |
| |
| if (extension_intf_) { |
| error = extension_intf_->CreateStrategyExtn(display_type_, hw_panel_info_.mode, |
| hw_panel_info_.s3d_mode, mixer_attributes_, |
| fb_config_, &strategy_intf_); |
| if (error != kErrorNone) { |
| DLOGE("Failed to create strategy"); |
| return error; |
| } |
| |
| error = extension_intf_->CreatePartialUpdate(display_type_, hw_resource_info_, hw_panel_info_, |
| mixer_attributes_, display_attributes_, |
| &partial_update_intf_); |
| } |
| |
| return kErrorNone; |
| } |
| |
| DisplayError Strategy::Deinit() { |
| if (strategy_intf_) { |
| if (partial_update_intf_) { |
| extension_intf_->DestroyPartialUpdate(partial_update_intf_); |
| } |
| |
| extension_intf_->DestroyStrategyExtn(strategy_intf_); |
| } |
| |
| return kErrorNone; |
| } |
| |
| DisplayError Strategy::Start(HWLayersInfo *hw_layers_info, uint32_t *max_attempts, |
| bool partial_update_enable) { |
| DisplayError error = kErrorNone; |
| |
| hw_layers_info_ = hw_layers_info; |
| extn_start_success_ = false; |
| tried_default_ = false; |
| uint32_t i = 0; |
| LayerStack *layer_stack = hw_layers_info_->stack; |
| uint32_t layer_count = UINT32(layer_stack->layers.size()); |
| for (; i < layer_count; i++) { |
| if (layer_stack->layers.at(i)->composition == kCompositionGPUTarget) { |
| fb_layer_index_ = i; |
| break; |
| } |
| } |
| |
| if (i == layer_count) { |
| return kErrorUndefined; |
| } |
| |
| if (partial_update_intf_) { |
| partial_update_intf_->ControlPartialUpdate(partial_update_enable); |
| } |
| GenerateROI(); |
| |
| if (strategy_intf_) { |
| error = strategy_intf_->Start(hw_layers_info_, max_attempts); |
| if (error == kErrorNone) { |
| extn_start_success_ = true; |
| return kErrorNone; |
| } |
| } |
| |
| *max_attempts = 1; |
| |
| return kErrorNone; |
| } |
| |
| DisplayError Strategy::Stop() { |
| if (strategy_intf_) { |
| return strategy_intf_->Stop(); |
| } |
| |
| return kErrorNone; |
| } |
| |
| DisplayError Strategy::GetNextStrategy(StrategyConstraints *constraints) { |
| DisplayError error = kErrorNone; |
| |
| if (extn_start_success_) { |
| error = strategy_intf_->GetNextStrategy(constraints); |
| if (error == kErrorNone) { |
| return kErrorNone; |
| } |
| } |
| |
| // Default composition is already tried. |
| if (tried_default_) { |
| return kErrorUndefined; |
| } |
| |
| // Mark all application layers for GPU composition. Find GPU target buffer and store its index for |
| // programming the hardware. |
| LayerStack *layer_stack = hw_layers_info_->stack; |
| uint32_t &hw_layer_count = hw_layers_info_->count; |
| hw_layer_count = 0; |
| |
| for (uint32_t i = 0; i < layer_stack->layers.size(); i++) { |
| Layer *layer = layer_stack->layers.at(i); |
| LayerComposition &composition = layer->composition; |
| if (composition == kCompositionGPUTarget) { |
| hw_layers_info_->updated_src_rect[hw_layer_count] = layer->src_rect; |
| hw_layers_info_->updated_dst_rect[hw_layer_count] = layer->dst_rect; |
| hw_layers_info_->index[hw_layer_count++] = i; |
| } else if (composition != kCompositionBlitTarget) { |
| composition = kCompositionGPU; |
| } |
| } |
| |
| tried_default_ = true; |
| |
| // There can be one and only one GPU target buffer. |
| if (hw_layer_count != 1) { |
| return kErrorParameters; |
| } |
| |
| return kErrorNone; |
| } |
| |
| void Strategy::GenerateROI() { |
| bool split_display = false; |
| |
| if (partial_update_intf_ && partial_update_intf_->GenerateROI(hw_layers_info_) == kErrorNone) { |
| return; |
| } |
| |
| float layer_mixer_width = mixer_attributes_.width; |
| float layer_mixer_height = mixer_attributes_.height; |
| |
| if (!hw_resource_info_.is_src_split && |
| ((layer_mixer_width > hw_resource_info_.max_mixer_width) || |
| ((hw_panel_info_.is_primary_panel) && hw_panel_info_.split_info.right_split))) { |
| split_display = true; |
| } |
| |
| if (split_display) { |
| float left_split = FLOAT(mixer_attributes_.split_left); |
| hw_layers_info_->left_partial_update = (LayerRect) {0.0f, 0.0f, left_split, layer_mixer_height}; |
| hw_layers_info_->right_partial_update = (LayerRect) {left_split, 0.0f, layer_mixer_width, |
| layer_mixer_height}; |
| } else { |
| hw_layers_info_->left_partial_update = (LayerRect) {0.0f, 0.0f, layer_mixer_width, |
| layer_mixer_height}; |
| hw_layers_info_->right_partial_update = (LayerRect) {0.0f, 0.0f, 0.0f, 0.0f}; |
| } |
| } |
| |
| DisplayError Strategy::Reconfigure(const HWPanelInfo &hw_panel_info, |
| const HWDisplayAttributes &display_attributes, |
| const HWMixerAttributes &mixer_attributes, |
| const DisplayConfigVariableInfo &fb_config) { |
| hw_panel_info_ = hw_panel_info; |
| display_attributes_ = display_attributes; |
| mixer_attributes_ = mixer_attributes; |
| |
| if (!extension_intf_) { |
| return kErrorNone; |
| } |
| |
| // TODO(user): PU Intf will not be created for video mode panels, hence re-evaluate if |
| // reconfigure is needed. |
| if (partial_update_intf_) { |
| extension_intf_->DestroyPartialUpdate(partial_update_intf_); |
| partial_update_intf_ = NULL; |
| } |
| |
| extension_intf_->CreatePartialUpdate(display_type_, hw_resource_info_, hw_panel_info_, |
| mixer_attributes_, display_attributes_, |
| &partial_update_intf_); |
| |
| return strategy_intf_->Reconfigure(hw_panel_info_.mode, hw_panel_info_.s3d_mode, mixer_attributes, |
| fb_config); |
| } |
| |
| } // namespace sdm |
