diff options
Diffstat (limited to 'src/core/hw/gpu.cpp')
| -rw-r--r-- | src/core/hw/gpu.cpp | 41 |
1 files changed, 1 insertions, 40 deletions
diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp index fa8c13d36..42809c731 100644 --- a/src/core/hw/gpu.cpp +++ b/src/core/hw/gpu.cpp | |||
| @@ -8,17 +8,13 @@ | |||
| 8 | #include "common/color.h" | 8 | #include "common/color.h" |
| 9 | #include "common/common_types.h" | 9 | #include "common/common_types.h" |
| 10 | #include "common/logging/log.h" | 10 | #include "common/logging/log.h" |
| 11 | #include "common/math_util.h" | ||
| 12 | #include "common/microprofile.h" | 11 | #include "common/microprofile.h" |
| 13 | #include "common/thread.h" | ||
| 14 | #include "common/timer.h" | ||
| 15 | #include "common/vector_math.h" | 12 | #include "common/vector_math.h" |
| 16 | #include "core/core_timing.h" | 13 | #include "core/core_timing.h" |
| 17 | #include "core/hle/service/gsp_gpu.h" | 14 | #include "core/hle/service/gsp_gpu.h" |
| 18 | #include "core/hw/gpu.h" | 15 | #include "core/hw/gpu.h" |
| 19 | #include "core/hw/hw.h" | 16 | #include "core/hw/hw.h" |
| 20 | #include "core/memory.h" | 17 | #include "core/memory.h" |
| 21 | #include "core/settings.h" | ||
| 22 | #include "core/tracer/recorder.h" | 18 | #include "core/tracer/recorder.h" |
| 23 | #include "video_core/command_processor.h" | 19 | #include "video_core/command_processor.h" |
| 24 | #include "video_core/debug_utils/debug_utils.h" | 20 | #include "video_core/debug_utils/debug_utils.h" |
| @@ -32,19 +28,9 @@ namespace GPU { | |||
| 32 | Regs g_regs; | 28 | Regs g_regs; |
| 33 | 29 | ||
| 34 | /// 268MHz CPU clocks / 60Hz frames per second | 30 | /// 268MHz CPU clocks / 60Hz frames per second |
| 35 | const u64 frame_ticks = BASE_CLOCK_RATE_ARM11 / 60; | 31 | const u64 frame_ticks = BASE_CLOCK_RATE_ARM11 / SCREEN_REFRESH_RATE; |
| 36 | /// Event id for CoreTiming | 32 | /// Event id for CoreTiming |
| 37 | static int vblank_event; | 33 | static int vblank_event; |
| 38 | /// Total number of frames drawn | ||
| 39 | static u64 frame_count; | ||
| 40 | /// Start clock for frame limiter | ||
| 41 | static u32 time_point; | ||
| 42 | /// Total delay caused by slow frames | ||
| 43 | static float time_delay; | ||
| 44 | constexpr float FIXED_FRAME_TIME = 1000.0f / 60; | ||
| 45 | // Max lag caused by slow frames. Can be adjusted to compensate for too many slow frames. Higher | ||
| 46 | // values increases time needed to limit frame rate after spikes | ||
| 47 | constexpr float MAX_LAG_TIME = 18; | ||
| 48 | 34 | ||
| 49 | template <typename T> | 35 | template <typename T> |
| 50 | inline void Read(T& var, const u32 raw_addr) { | 36 | inline void Read(T& var, const u32 raw_addr) { |
| @@ -522,24 +508,8 @@ template void Write<u32>(u32 addr, const u32 data); | |||
| 522 | template void Write<u16>(u32 addr, const u16 data); | 508 | template void Write<u16>(u32 addr, const u16 data); |
| 523 | template void Write<u8>(u32 addr, const u8 data); | 509 | template void Write<u8>(u32 addr, const u8 data); |
| 524 | 510 | ||
| 525 | static void FrameLimiter() { | ||
| 526 | time_delay += FIXED_FRAME_TIME; | ||
| 527 | time_delay = MathUtil::Clamp(time_delay, -MAX_LAG_TIME, MAX_LAG_TIME); | ||
| 528 | s32 desired_time = static_cast<s32>(time_delay); | ||
| 529 | s32 elapsed_time = static_cast<s32>(Common::Timer::GetTimeMs() - time_point); | ||
| 530 | |||
| 531 | if (elapsed_time < desired_time) { | ||
| 532 | Common::SleepCurrentThread(desired_time - elapsed_time); | ||
| 533 | } | ||
| 534 | |||
| 535 | u32 frame_time = Common::Timer::GetTimeMs() - time_point; | ||
| 536 | |||
| 537 | time_delay -= frame_time; | ||
| 538 | } | ||
| 539 | |||
| 540 | /// Update hardware | 511 | /// Update hardware |
| 541 | static void VBlankCallback(u64 userdata, int cycles_late) { | 512 | static void VBlankCallback(u64 userdata, int cycles_late) { |
| 542 | frame_count++; | ||
| 543 | VideoCore::g_renderer->SwapBuffers(); | 513 | VideoCore::g_renderer->SwapBuffers(); |
| 544 | 514 | ||
| 545 | // Signal to GSP that GPU interrupt has occurred | 515 | // Signal to GSP that GPU interrupt has occurred |
| @@ -550,12 +520,6 @@ static void VBlankCallback(u64 userdata, int cycles_late) { | |||
| 550 | Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC0); | 520 | Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC0); |
| 551 | Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC1); | 521 | Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC1); |
| 552 | 522 | ||
| 553 | if (!Settings::values.use_vsync && Settings::values.toggle_framelimit) { | ||
| 554 | FrameLimiter(); | ||
| 555 | } | ||
| 556 | |||
| 557 | time_point = Common::Timer::GetTimeMs(); | ||
| 558 | |||
| 559 | // Reschedule recurrent event | 523 | // Reschedule recurrent event |
| 560 | CoreTiming::ScheduleEvent(frame_ticks - cycles_late, vblank_event); | 524 | CoreTiming::ScheduleEvent(frame_ticks - cycles_late, vblank_event); |
| 561 | } | 525 | } |
| @@ -590,9 +554,6 @@ void Init() { | |||
| 590 | framebuffer_sub.color_format.Assign(Regs::PixelFormat::RGB8); | 554 | framebuffer_sub.color_format.Assign(Regs::PixelFormat::RGB8); |
| 591 | framebuffer_sub.active_fb = 0; | 555 | framebuffer_sub.active_fb = 0; |
| 592 | 556 | ||
| 593 | frame_count = 0; | ||
| 594 | time_point = Common::Timer::GetTimeMs(); | ||
| 595 | |||
| 596 | vblank_event = CoreTiming::RegisterEvent("GPU::VBlankCallback", VBlankCallback); | 557 | vblank_event = CoreTiming::RegisterEvent("GPU::VBlankCallback", VBlankCallback); |
| 597 | CoreTiming::ScheduleEvent(frame_ticks, vblank_event); | 558 | CoreTiming::ScheduleEvent(frame_ticks, vblank_event); |
| 598 | 559 | ||