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service/nvflinger: Move display specifics over to vi_display 

With the display and layer structures relocated to the vi service, we
can begin giving these a proper interface before beginning to properly
support the display types.

This converts the display struct into a class and provides it with the
necessary functions to preserve behavior within the NVFlinger class.
master
Lioncash 2019-02-21 10:43:26 +07:00
parent 9539c4203b
commit fa4dc2cf42
4 changed files with 141 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
src/core/hle/service/nvflinger/nvflinger.cpp
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@ -28,9 +28,13 @@ namespace Service::NVFlinger {
constexpr std::size_t SCREEN_REFRESH_RATE = 60;
constexpr u64 frame_ticks = static_cast<u64>(Core::Timing::BASE_CLOCK_RATE / SCREEN_REFRESH_RATE);
NVFlinger::NVFlinger(Core::Timing::CoreTiming& core_timing)
: displays{{0, "Default"}, {1, "External"}, {2, "Edid"}, {3, "Internal"}, {4, "Null"}},
core_timing{core_timing} {
NVFlinger::NVFlinger(Core::Timing::CoreTiming& core_timing) : core_timing{core_timing} {
displays.emplace_back(0, "Default");
displays.emplace_back(1, "External");
displays.emplace_back(2, "Edid");
displays.emplace_back(3, "Internal");
displays.emplace_back(4, "Null");
// Schedule the screen composition events
composition_event =
core_timing.RegisterEvent("ScreenComposition", [this](u64 userdata, int cycles_late) {
@ -55,13 +59,14 @@ std::optional<u64> NVFlinger::OpenDisplay(std::string_view name) {
// TODO(Subv): Currently we only support the Default display.
ASSERT(name == "Default");
const auto itr = std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.name == name; });
const auto itr =
std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.GetName() == name; });
if (itr == displays.end()) {
return {};
}
return itr->id;
return itr->GetID();
}
std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
@ -71,12 +76,10 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
return {};
}
ASSERT_MSG(display->layers.empty(), "Only one layer is supported per display at the moment");
const u64 layer_id = next_layer_id++;
const u32 buffer_queue_id = next_buffer_queue_id++;
auto buffer_queue = std::make_shared<BufferQueue>(buffer_queue_id, layer_id);
display->layers.emplace_back(layer_id, buffer_queue);
display->CreateLayer(layer_id, buffer_queue);
buffer_queues.emplace_back(std::move(buffer_queue));
return layer_id;
}
@ -98,7 +101,7 @@ Kernel::SharedPtr<Kernel::ReadableEvent> NVFlinger::FindVsyncEvent(u64 display_i
return nullptr;
}
return display->vsync_event.readable;
return display->GetVSyncEvent();
}
std::shared_ptr<BufferQueue> NVFlinger::FindBufferQueue(u32 id) const {
@ -112,7 +115,7 @@ std::shared_ptr<BufferQueue> NVFlinger::FindBufferQueue(u32 id) const {
VI::Display* NVFlinger::FindDisplay(u64 display_id) {
const auto itr =
std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.id == display_id; });
[&](const VI::Display& display) { return display.GetID() == display_id; });
if (itr == displays.end()) {
return nullptr;
@ -124,7 +127,7 @@ VI::Display* NVFlinger::FindDisplay(u64 display_id) {
const VI::Display* NVFlinger::FindDisplay(u64 display_id) const {
const auto itr =
std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.id == display_id; });
[&](const VI::Display& display) { return display.GetID() == display_id; });
if (itr == displays.end()) {
return nullptr;
@ -140,14 +143,7 @@ VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) {
return nullptr;
}
const auto itr = std::find_if(display->layers.begin(), display->layers.end(),
[&](const VI::Layer& layer) { return layer.id == layer_id; });
if (itr == display->layers.end()) {
return nullptr;
}
return &*itr;
return display->FindLayer(layer_id);
}
const VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) const {
@ -157,29 +153,20 @@ const VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) const {
return nullptr;
}
const auto itr = std::find_if(display->layers.begin(), display->layers.end(),
[&](const VI::Layer& layer) { return layer.id == layer_id; });
if (itr == display->layers.end()) {
return nullptr;
}
return &*itr;
return display->FindLayer(layer_id);
}
void NVFlinger::Compose() {
for (auto& display : displays) {
// Trigger vsync for this display at the end of drawing
SCOPE_EXIT({ display.vsync_event.writable->Signal(); });
SCOPE_EXIT({ display.SignalVSyncEvent(); });
// Don't do anything for displays without layers.
if (display.layers.empty())
if (!display.HasLayers())
continue;
// TODO(Subv): Support more than 1 layer.
ASSERT_MSG(display.layers.size() == 1, "Max 1 layer per display is supported");
VI::Layer& layer = display.layers[0];
VI::Layer& layer = display.GetLayer(0);
auto& buffer_queue = layer.buffer_queue;
// Search for a queued buffer and acquire it

2
src/core/hle/service/nvflinger/nvflinger.h
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@ -28,7 +28,7 @@ class Module;
} // namespace Service::Nvidia
namespace Service::VI {
struct Display;
class Display;
struct Layer;
} // namespace Service::VI

49
src/core/hle/service/vi/display/vi_display.cpp
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@ -2,8 +2,12 @@
// 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"
@ -19,4 +23,49 @@ Display::Display(u64 id, std::string name) : id{id}, name{std::move(name)} {
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);
}
Kernel::SharedPtr<Kernel::ReadableEvent> Display::GetVSyncEvent() const {
return vsync_event.readable;
}
void Display::SignalVSyncEvent() {
vsync_event.writable->Signal();
}
void Display::CreateLayer(u64 id, std::shared_ptr<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(id, std::move(buffer_queue));
}
Layer* Display::FindLayer(u64 id) {
const auto itr = std::find_if(layers.begin(), layers.end(),
[id](const VI::Layer& layer) { return layer.id == id; });
if (itr == layers.end()) {
return nullptr;
}
return &*itr;
}
const Layer* Display::FindLayer(u64 id) const {
const auto itr = std::find_if(layers.begin(), layers.end(),
[id](const VI::Layer& layer) { return layer.id == id; });
if (itr == layers.end()) {
return nullptr;
}
return &*itr;
}
} // namespace Service::VI

72
src/core/hle/service/vi/display/vi_display.h
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@ -10,14 +10,84 @@
#include "common/common_types.h"
#include "core/hle/kernel/writable_event.h"
namespace Service::NVFlinger {
class BufferQueue;
}
namespace Service::VI {
struct Layer;
struct Display {
/// 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);
~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.
Kernel::SharedPtr<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, std::shared_ptr<NVFlinger::BufferQueue> buffer_queue);
/// 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;