diff options
Diffstat (limited to 'src/core/hle/service/am/display_layer_manager.cpp')
| -rw-r--r-- | src/core/hle/service/am/display_layer_manager.cpp | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/core/hle/service/am/display_layer_manager.cpp b/src/core/hle/service/am/display_layer_manager.cpp new file mode 100644 index 000000000..85ff6fb88 --- /dev/null +++ b/src/core/hle/service/am/display_layer_manager.cpp @@ -0,0 +1,151 @@ +// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/core.h" +#include "core/hle/service/am/display_layer_manager.h" +#include "core/hle/service/sm/sm.h" +#include "core/hle/service/vi/application_display_service.h" +#include "core/hle/service/vi/container.h" +#include "core/hle/service/vi/manager_display_service.h" +#include "core/hle/service/vi/manager_root_service.h" +#include "core/hle/service/vi/shared_buffer_manager.h" +#include "core/hle/service/vi/vi_results.h" +#include "core/hle/service/vi/vi_types.h" + +namespace Service::AM { + +DisplayLayerManager::DisplayLayerManager() = default; +DisplayLayerManager::~DisplayLayerManager() { + this->Finalize(); +} + +void DisplayLayerManager::Initialize(Core::System& system, Kernel::KProcess* process, + AppletId applet_id, LibraryAppletMode mode) { + R_ASSERT(system.ServiceManager() + .GetService<VI::IManagerRootService>("vi:m", true) + ->GetDisplayService(&m_display_service, VI::Policy::Compositor)); + R_ASSERT(m_display_service->GetManagerDisplayService(&m_manager_display_service)); + + m_process = process; + m_system_shared_buffer_id = 0; + m_system_shared_layer_id = 0; + m_applet_id = applet_id; + m_buffer_sharing_enabled = false; + m_blending_enabled = mode == LibraryAppletMode::PartialForeground || + mode == LibraryAppletMode::PartialForegroundIndirectDisplay; +} + +void DisplayLayerManager::Finalize() { + if (!m_manager_display_service) { + return; + } + + // Clean up managed layers. + for (const auto& layer : m_managed_display_layers) { + m_manager_display_service->DestroyManagedLayer(layer); + } + + for (const auto& layer : m_managed_display_recording_layers) { + m_manager_display_service->DestroyManagedLayer(layer); + } + + // Clean up shared layers. + if (m_buffer_sharing_enabled) { + m_manager_display_service->DestroySharedLayerSession(m_process); + } + + m_manager_display_service = nullptr; + m_display_service = nullptr; +} + +Result DisplayLayerManager::CreateManagedDisplayLayer(u64* out_layer_id) { + R_UNLESS(m_manager_display_service != nullptr, VI::ResultOperationFailed); + + // TODO(Subv): Find out how AM determines the display to use, for now just + // create the layer in the Default display. + u64 display_id; + R_TRY(m_display_service->OpenDisplay(&display_id, VI::DisplayName{"Default"})); + R_TRY(m_manager_display_service->CreateManagedLayer( + out_layer_id, 0, display_id, Service::AppletResourceUserId{m_process->GetProcessId()})); + + m_manager_display_service->SetLayerVisibility(m_visible, *out_layer_id); + m_managed_display_layers.emplace(*out_layer_id); + + R_SUCCEED(); +} + +Result DisplayLayerManager::CreateManagedDisplaySeparableLayer(u64* out_layer_id, + u64* out_recording_layer_id) { + R_UNLESS(m_manager_display_service != nullptr, VI::ResultOperationFailed); + + // TODO(Subv): Find out how AM determines the display to use, for now just + // create the layer in the Default display. + // This calls nn::vi::CreateRecordingLayer() which creates another layer. + // Currently we do not support more than 1 layer per display, output 1 layer id for now. + // Outputting 1 layer id instead of the expected 2 has not been observed to cause any adverse + // side effects. + *out_recording_layer_id = 0; + R_RETURN(this->CreateManagedDisplayLayer(out_layer_id)); +} + +Result DisplayLayerManager::IsSystemBufferSharingEnabled() { + // Succeed if already enabled. + R_SUCCEED_IF(m_buffer_sharing_enabled); + + // Ensure we can access shared layers. + R_UNLESS(m_manager_display_service != nullptr, VI::ResultOperationFailed); + R_UNLESS(m_applet_id != AppletId::Application, VI::ResultPermissionDenied); + + // Create the shared layer. + u64 display_id; + R_TRY(m_display_service->OpenDisplay(&display_id, VI::DisplayName{"Default"})); + R_TRY(m_manager_display_service->CreateSharedLayerSession(m_process, &m_system_shared_buffer_id, + &m_system_shared_layer_id, display_id, + m_blending_enabled)); + + // We succeeded, so set up remaining state. + m_buffer_sharing_enabled = true; + m_manager_display_service->SetLayerVisibility(m_visible, m_system_shared_layer_id); + R_SUCCEED(); +} + +Result DisplayLayerManager::GetSystemSharedLayerHandle(u64* out_system_shared_buffer_id, + u64* out_system_shared_layer_id) { + R_TRY(this->IsSystemBufferSharingEnabled()); + + *out_system_shared_buffer_id = m_system_shared_buffer_id; + *out_system_shared_layer_id = m_system_shared_layer_id; + + R_SUCCEED(); +} + +void DisplayLayerManager::SetWindowVisibility(bool visible) { + if (m_visible == visible) { + return; + } + + m_visible = visible; + + if (m_manager_display_service) { + if (m_system_shared_layer_id) { + m_manager_display_service->SetLayerVisibility(m_visible, m_system_shared_layer_id); + } + + for (const auto layer_id : m_managed_display_layers) { + m_manager_display_service->SetLayerVisibility(m_visible, layer_id); + } + } +} + +bool DisplayLayerManager::GetWindowVisibility() const { + return m_visible; +} + +Result DisplayLayerManager::WriteAppletCaptureBuffer(bool* out_was_written, + s32* out_fbshare_layer_index) { + R_UNLESS(m_buffer_sharing_enabled, VI::ResultPermissionDenied); + R_RETURN(m_display_service->GetContainer()->GetSharedBufferManager()->WriteAppletCaptureBuffer( + out_was_written, out_fbshare_layer_index)); +} + +} // namespace Service::AM |