early-access version 1255

src/core/hle/service/vi/display/vi_display.cpp

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+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <utility>
+
+#include <fmt/format.h>
+
+#include "common/assert.h"
+#include "core/core.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/service/vi/display/vi_display.h"
+#include "core/hle/service/vi/layer/vi_layer.h"
+
+namespace Service::VI {
+
+Display::Display(u64 id, std::string name, Core::System& system) : id{id}, name{std::move(name)} {
+    auto& kernel = system.Kernel();
+    vsync_event =
+        Kernel::WritableEvent::CreateEventPair(kernel, fmt::format("Display VSync Event {}", id));
+}
+
+Display::~Display() = default;
+
+Layer& Display::GetLayer(std::size_t index) {
+    return *layers.at(index);
+}
+
+const Layer& Display::GetLayer(std::size_t index) const {
+    return *layers.at(index);
+}
+
+std::shared_ptr<Kernel::ReadableEvent> Display::GetVSyncEvent() const {
+    return vsync_event.readable;
+}
+
+void Display::SignalVSyncEvent() {
+    vsync_event.writable->Signal();
+}
+
+void Display::CreateLayer(u64 id, NVFlinger::BufferQueue& buffer_queue) {
+    // TODO(Subv): Support more than 1 layer.
+    ASSERT_MSG(layers.empty(), "Only one layer is supported per display at the moment");
+
+    layers.emplace_back(std::make_shared<Layer>(id, buffer_queue));
+}
+
+void Display::CloseLayer(u64 id) {
+    layers.erase(
+        std::remove_if(layers.begin(), layers.end(),
+                       [id](const std::shared_ptr<Layer>& layer) { return layer->GetID() == id; }),
+        layers.end());
+}
+
+Layer* Display::FindLayer(u64 id) {
+    const auto itr =
+        std::find_if(layers.begin(), layers.end(),
+                     [id](const std::shared_ptr<Layer>& layer) { return layer->GetID() == id; });
+
+    if (itr == layers.end()) {
+        return nullptr;
+    }
+
+    return itr->get();
+}
+
+const Layer* Display::FindLayer(u64 id) const {
+    const auto itr =
+        std::find_if(layers.begin(), layers.end(),
+                     [id](const std::shared_ptr<Layer>& layer) { return layer->GetID() == id; });
+
+    if (itr == layers.end()) {
+        return nullptr;
+    }
+
+    return itr->get();
+}
+
+} // namespace Service::VI

src/core/hle/service/vi/display/vi_display.h

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+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "common/common_types.h"
+#include "core/hle/kernel/writable_event.h"
+
+namespace Service::NVFlinger {
+class BufferQueue;
+}
+
+namespace Service::VI {
+
+class Layer;
+
+/// Represents a single display type
+class Display {
+public:
+    /// Constructs a display with a given unique ID and name.
+    ///
+    /// @param id   The unique ID for this display.
+    /// @param name The name for this display.
+    ///
+    Display(u64 id, std::string name, Core::System& system);
+    ~Display();
+
+    Display(const Display&) = delete;
+    Display& operator=(const Display&) = delete;
+
+    Display(Display&&) = default;
+    Display& operator=(Display&&) = default;
+
+    /// Gets the unique ID assigned to this display.
+    u64 GetID() const {
+        return id;
+    }
+
+    /// Gets the name of this display
+    const std::string& GetName() const {
+        return name;
+    }
+
+    /// Whether or not this display has any layers added to it.
+    bool HasLayers() const {
+        return !layers.empty();
+    }
+
+    /// Gets a layer for this display based off an index.
+    Layer& GetLayer(std::size_t index);
+
+    /// Gets a layer for this display based off an index.
+    const Layer& GetLayer(std::size_t index) const;
+
+    /// Gets the readable vsync event.
+    std::shared_ptr<Kernel::ReadableEvent> GetVSyncEvent() const;
+
+    /// Signals the internal vsync event.
+    void SignalVSyncEvent();
+
+    /// Creates and adds a layer to this display with the given ID.
+    ///
+    /// @param id           The ID to assign to the created layer.
+    /// @param buffer_queue The buffer queue for the layer instance to use.
+    ///
+    void CreateLayer(u64 id, NVFlinger::BufferQueue& buffer_queue);
+
+    /// Closes and removes a layer from this display with the given ID.
+    ///
+    /// @param id           The ID assigned to the layer to close.
+    ///
+    void CloseLayer(u64 id);
+
+    /// Attempts to find a layer with the given ID.
+    ///
+    /// @param id The layer ID.
+    ///
+    /// @returns If found, the Layer instance with the given ID.
+    ///          If not found, then nullptr is returned.
+    ///
+    Layer* FindLayer(u64 id);
+
+    /// Attempts to find a layer with the given ID.
+    ///
+    /// @param id The layer ID.
+    ///
+    /// @returns If found, the Layer instance with the given ID.
+    ///          If not found, then nullptr is returned.
+    ///
+    const Layer* FindLayer(u64 id) const;
+
+private:
+    u64 id;
+    std::string name;
+
+    std::vector<std::shared_ptr<Layer>> layers;
+    Kernel::EventPair vsync_event;
+};
+
+} // namespace Service::VI

src/core/hle/service/vi/layer/vi_layer.cpp

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+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/vi/layer/vi_layer.h"
+
+namespace Service::VI {
+
+Layer::Layer(u64 id, NVFlinger::BufferQueue& queue) : id{id}, buffer_queue{queue} {}
+
+Layer::~Layer() = default;
+
+} // namespace Service::VI

src/core/hle/service/vi/layer/vi_layer.h

@@ -0,0 +1,52 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Service::NVFlinger {
+class BufferQueue;
+}
+
+namespace Service::VI {
+
+/// Represents a single display layer.
+class Layer {
+public:
+    /// Constructs a layer with a given ID and buffer queue.
+    ///
+    /// @param id    The ID to assign to this layer.
+    /// @param queue The buffer queue for this layer to use.
+    ///
+    Layer(u64 id, NVFlinger::BufferQueue& queue);
+    ~Layer();
+
+    Layer(const Layer&) = delete;
+    Layer& operator=(const Layer&) = delete;
+
+    Layer(Layer&&) = default;
+    Layer& operator=(Layer&&) = delete;
+
+    /// Gets the ID for this layer.
+    u64 GetID() const {
+        return id;
+    }
+
+    /// Gets a reference to the buffer queue this layer is using.
+    NVFlinger::BufferQueue& GetBufferQueue() {
+        return buffer_queue;
+    }
+
+    /// Gets a const reference to the buffer queue this layer is using.
+    const NVFlinger::BufferQueue& GetBufferQueue() const {
+        return buffer_queue;
+    }
+
+private:
+    u64 id;
+    NVFlinger::BufferQueue& buffer_queue;
+};
+
+} // namespace Service::VI

src/core/hle/service/vi/vi.h

@@ -0,0 +1,58 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include "common/common_types.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class HLERequestContext;
+}
+
+namespace Service::NVFlinger {
+class NVFlinger;
+}
+
+namespace Service::SM {
+class ServiceManager;
+}
+
+namespace Service::VI {
+
+enum class DisplayResolution : u32 {
+    DockedWidth = 1920,
+    DockedHeight = 1080,
+    UndockedWidth = 1280,
+    UndockedHeight = 720,
+};
+
+/// Permission level for a particular VI service instance
+enum class Permission {
+    User,
+    System,
+    Manager,
+};
+
+/// A policy type that may be requested via GetDisplayService and
+/// GetDisplayServiceWithProxyNameExchange
+enum class Policy {
+    User,
+    Compositor,
+};
+
+namespace detail {
+void GetDisplayServiceImpl(Kernel::HLERequestContext& ctx, Core::System& system,
+                           NVFlinger::NVFlinger& nv_flinger, Permission permission);
+} // namespace detail
+
+/// Registers all VI services with the specified service manager.
+void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system,
+                       NVFlinger::NVFlinger& nv_flinger);
+
+} // namespace Service::VI

src/core/hle/service/vi/vi_m.cpp

@@ -0,0 +1,28 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/hle/service/vi/vi.h"
+#include "core/hle/service/vi/vi_m.h"
+
+namespace Service::VI {
+
+VI_M::VI_M(Core::System& system_, NVFlinger::NVFlinger& nv_flinger_)
+    : ServiceFramework{system_, "vi:m"}, nv_flinger{nv_flinger_} {
+    static const FunctionInfo functions[] = {
+        {2, &VI_M::GetDisplayService, "GetDisplayService"},
+        {3, nullptr, "GetDisplayServiceWithProxyNameExchange"},
+    };
+    RegisterHandlers(functions);
+}
+
+VI_M::~VI_M() = default;
+
+void VI_M::GetDisplayService(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_VI, "called");
+
+    detail::GetDisplayServiceImpl(ctx, system, nv_flinger, Permission::Manager);
+}
+
+} // namespace Service::VI

src/core/hle/service/vi/vi_m.h

@@ -0,0 +1,34 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class HLERequestContext;
+}
+
+namespace Service::NVFlinger {
+class NVFlinger;
+}
+
+namespace Service::VI {
+
+class VI_M final : public ServiceFramework<VI_M> {
+public:
+    explicit VI_M(Core::System& system_, NVFlinger::NVFlinger& nv_flinger_);
+    ~VI_M() override;
+
+private:
+    void GetDisplayService(Kernel::HLERequestContext& ctx);
+
+    NVFlinger::NVFlinger& nv_flinger;
+};
+
+} // namespace Service::VI

src/core/hle/service/vi/vi_s.cpp

@@ -0,0 +1,28 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/hle/service/vi/vi.h"
+#include "core/hle/service/vi/vi_s.h"
+
+namespace Service::VI {
+
+VI_S::VI_S(Core::System& system_, NVFlinger::NVFlinger& nv_flinger_)
+    : ServiceFramework{system_, "vi:s"}, nv_flinger{nv_flinger_} {
+    static const FunctionInfo functions[] = {
+        {1, &VI_S::GetDisplayService, "GetDisplayService"},
+        {3, nullptr, "GetDisplayServiceWithProxyNameExchange"},
+    };
+    RegisterHandlers(functions);
+}
+
+VI_S::~VI_S() = default;
+
+void VI_S::GetDisplayService(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_VI, "called");
+
+    detail::GetDisplayServiceImpl(ctx, system, nv_flinger, Permission::System);
+}
+
+} // namespace Service::VI

src/core/hle/service/vi/vi_s.h

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+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class HLERequestContext;
+}
+
+namespace Service::NVFlinger {
+class NVFlinger;
+}
+
+namespace Service::VI {
+
+class VI_S final : public ServiceFramework<VI_S> {
+public:
+    explicit VI_S(Core::System& system_, NVFlinger::NVFlinger& nv_flinger_);
+    ~VI_S() override;
+
+private:
+    void GetDisplayService(Kernel::HLERequestContext& ctx);
+
+    NVFlinger::NVFlinger& nv_flinger;
+};
+
+} // namespace Service::VI

src/core/hle/service/vi/vi_u.cpp

@@ -0,0 +1,28 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/hle/service/vi/vi.h"
+#include "core/hle/service/vi/vi_u.h"
+
+namespace Service::VI {
+
+VI_U::VI_U(Core::System& system_, NVFlinger::NVFlinger& nv_flinger_)
+    : ServiceFramework{system_, "vi:u"}, nv_flinger{nv_flinger_} {
+    static const FunctionInfo functions[] = {
+        {0, &VI_U::GetDisplayService, "GetDisplayService"},
+        {1, nullptr, "GetDisplayServiceWithProxyNameExchange"},
+    };
+    RegisterHandlers(functions);
+}
+
+VI_U::~VI_U() = default;
+
+void VI_U::GetDisplayService(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_VI, "called");
+
+    detail::GetDisplayServiceImpl(ctx, system, nv_flinger, Permission::User);
+}
+
+} // namespace Service::VI

src/core/hle/service/vi/vi_u.h

@@ -0,0 +1,34 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class HLERequestContext;
+}
+
+namespace Service::NVFlinger {
+class NVFlinger;
+}
+
+namespace Service::VI {
+
+class VI_U final : public ServiceFramework<VI_U> {
+public:
+    explicit VI_U(Core::System& system_, NVFlinger::NVFlinger& nv_flinger_);
+    ~VI_U() override;
+
+private:
+    void GetDisplayService(Kernel::HLERequestContext& ctx);
+
+    NVFlinger::NVFlinger& nv_flinger;
+};
+
+} // namespace Service::VI