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https://github.com/yuzu-emu/yuzu.git
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NV: Signal all display's vsync event 60 times per second.
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@ -3,6 +3,7 @@
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// Refer to the license.txt file included.
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// Refer to the license.txt file included.
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#include "common/alignment.h"
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#include "common/alignment.h"
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#include "core/core_timing.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/service/vi/vi.h"
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#include "core/hle/service/vi/vi.h"
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#include "core/hle/service/vi/vi_m.h"
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#include "core/hle/service/vi/vi_m.h"
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@ -10,6 +11,9 @@
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namespace Service {
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namespace Service {
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namespace VI {
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namespace VI {
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constexpr size_t SCREEN_REFRESH_RATE = 60;
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constexpr u64 frame_ticks = static_cast<u64>(BASE_CLOCK_RATE / SCREEN_REFRESH_RATE);
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class Parcel {
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class Parcel {
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public:
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public:
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// This default size was chosen arbitrarily.
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// This default size was chosen arbitrarily.
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@ -637,6 +641,19 @@ NVFlinger::NVFlinger() {
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displays.emplace_back(external);
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displays.emplace_back(external);
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displays.emplace_back(edid);
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displays.emplace_back(edid);
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displays.emplace_back(internal);
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displays.emplace_back(internal);
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// Schedule the screen composition events
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composition_event =
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CoreTiming::RegisterEvent("ScreenCompositioin", [this](u64 userdata, int cycles_late) {
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Compose();
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CoreTiming::ScheduleEvent(frame_ticks - cycles_late, composition_event);
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});
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CoreTiming::ScheduleEvent(frame_ticks, composition_event);
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}
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NVFlinger::~NVFlinger() {
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CoreTiming::UnscheduleEvent(composition_event, 0);
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}
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}
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u64 NVFlinger::OpenDisplay(const std::string& name) {
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u64 NVFlinger::OpenDisplay(const std::string& name) {
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@ -702,6 +719,13 @@ Layer& NVFlinger::GetLayer(u64 display_id, u64 layer_id) {
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return *itr;
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return *itr;
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}
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}
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void NVFlinger::Compose() {
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for (auto& display : displays) {
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// TODO(Subv): Gather the surfaces and forward them to the GPU for drawing.
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display.vsync_event->Signal();
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}
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}
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BufferQueue::BufferQueue(u32 id, u64 layer_id) : id(id), layer_id(layer_id) {}
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BufferQueue::BufferQueue(u32 id, u64 layer_id) : id(id), layer_id(layer_id) {}
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void BufferQueue::SetPreallocatedBuffer(u32 slot, IGBPBuffer& igbp_buffer) {
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void BufferQueue::SetPreallocatedBuffer(u32 slot, IGBPBuffer& igbp_buffer) {
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@ -80,7 +80,7 @@ struct Display {
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class NVFlinger {
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class NVFlinger {
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public:
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public:
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NVFlinger();
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NVFlinger();
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~NVFlinger() = default;
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~NVFlinger();
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/// Opens the specified display and returns the id.
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/// Opens the specified display and returns the id.
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u64 OpenDisplay(const std::string& name);
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u64 OpenDisplay(const std::string& name);
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@ -97,6 +97,10 @@ public:
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/// Obtains a buffer queue identified by the id.
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/// Obtains a buffer queue identified by the id.
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std::shared_ptr<BufferQueue> GetBufferQueue(u32 id) const;
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std::shared_ptr<BufferQueue> GetBufferQueue(u32 id) const;
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/// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when
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/// finished.
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void Compose();
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private:
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private:
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/// Returns the display identified by the specified id.
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/// Returns the display identified by the specified id.
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Display& GetDisplay(u64 display_id);
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Display& GetDisplay(u64 display_id);
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@ -112,6 +116,9 @@ private:
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/// Id to use for the next buffer queue that is created, this counter is shared among all
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/// Id to use for the next buffer queue that is created, this counter is shared among all
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/// layers.
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/// layers.
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u32 next_buffer_queue_id = 1;
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u32 next_buffer_queue_id = 1;
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/// CoreTiming event that handles screen composition.
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int composition_event;
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};
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};
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class IApplicationDisplayService final : public ServiceFramework<IApplicationDisplayService> {
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class IApplicationDisplayService final : public ServiceFramework<IApplicationDisplayService> {
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