dolphin/Source/Core/VideoBackends/Software/SWmain.cpp

393 lines
8.9 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <string>
#include "Common/Atomic.h"
#include "Common/Common.h"
#include "Common/FileUtil.h"
#include "Common/LogManager.h"
#include "Common/StringUtil.h"
#include "Core/ConfigManager.h"
#include "Core/Core.h"
#include "Core/HW/Memmap.h"
#include "Core/HW/VideoInterface.h"
#include "VideoBackends/OGL/GLExtensions/GLExtensions.h"
#include "VideoBackends/Software/BPMemLoader.h"
#include "VideoBackends/Software/Clipper.h"
#include "VideoBackends/Software/DebugUtil.h"
#include "VideoBackends/Software/EfbInterface.h"
#include "VideoBackends/Software/HwRasterizer.h"
#include "VideoBackends/Software/OpcodeDecoder.h"
#include "VideoBackends/Software/Rasterizer.h"
#include "VideoBackends/Software/SWCommandProcessor.h"
#include "VideoBackends/Software/SWRenderer.h"
#include "VideoBackends/Software/SWStatistics.h"
#include "VideoBackends/Software/SWVertexLoader.h"
#include "VideoBackends/Software/SWVideoConfig.h"
#include "VideoBackends/Software/VideoBackend.h"
#include "VideoBackends/Software/XFMemLoader.h"
#if defined(HAVE_WX) && HAVE_WX
#include "VideoBackends/Software/VideoConfigDialog.h"
#endif // HAVE_WX
#include "VideoCommon/OnScreenDisplay.h"
#include "VideoCommon/PixelEngine.h"
#include "VideoCommon/XFMemory.h"
#define VSYNC_ENABLED 0
static volatile u32 s_swapRequested = false;
static volatile struct
{
u32 xfbAddr;
u32 fbWidth;
u32 fbHeight;
} s_beginFieldArgs;
namespace SW
{
static volatile bool fifoStateRun = false;
static volatile bool emuRunningState = false;
static std::mutex m_csSWVidOccupied;
std::string VideoSoftware::GetName() const
{
return _trans("Software Renderer");
}
void *DllDebugger(void *_hParent, bool Show)
{
return nullptr;
}
void VideoSoftware::ShowConfig(void *_hParent)
{
#if defined(HAVE_WX) && HAVE_WX
VideoConfigDialog diag((wxWindow*)_hParent, "Software", "gfx_software");
diag.ShowModal();
#endif
}
bool VideoSoftware::Initialize(void *&window_handle)
{
g_SWVideoConfig.Load((File::GetUserPath(D_CONFIG_IDX) + "gfx_software.ini").c_str());
InitInterface();
GLInterface->SetMode(GLInterfaceMode::MODE_DETECT);
if (!GLInterface->Create(window_handle))
{
INFO_LOG(VIDEO, "%s", "SWRenderer::Create failed\n");
return false;
}
InitBPMemory();
InitXFMemory();
SWCommandProcessor::Init();
PixelEngine::Init();
OpcodeDecoder::Init();
Clipper::Init();
Rasterizer::Init();
HwRasterizer::Init();
SWRenderer::Init();
DebugUtil::Init();
return true;
}
void VideoSoftware::DoState(PointerWrap& p)
{
bool software = true;
p.Do(software);
if (p.GetMode() == PointerWrap::MODE_READ && software == false)
// change mode to abort load of incompatible save state.
p.SetMode(PointerWrap::MODE_VERIFY);
// TODO: incomplete?
SWCommandProcessor::DoState(p);
PixelEngine::DoState(p);
EfbInterface::DoState(p);
OpcodeDecoder::DoState(p);
Clipper::DoState(p);
p.Do(swxfregs);
p.Do(bpmem);
p.DoPOD(swstats);
// CP Memory
p.DoArray(arraybases, 16);
p.DoArray(arraystrides, 16);
p.Do(MatrixIndexA);
p.Do(MatrixIndexB);
p.Do(g_VtxDesc.Hex);
p.DoArray(g_VtxAttr, 8);
p.DoMarker("CP Memory");
}
void VideoSoftware::CheckInvalidState()
{
// there is no state to invalidate
}
void VideoSoftware::PauseAndLock(bool doLock, bool unpauseOnUnlock)
{
if (doLock)
{
EmuStateChange(EMUSTATE_CHANGE_PAUSE);
if (!Core::IsGPUThread())
m_csSWVidOccupied.lock();
}
else
{
if (unpauseOnUnlock)
EmuStateChange(EMUSTATE_CHANGE_PLAY);
if (!Core::IsGPUThread())
m_csSWVidOccupied.unlock();
}
}
void VideoSoftware::RunLoop(bool enable)
{
emuRunningState = enable;
}
void VideoSoftware::EmuStateChange(EMUSTATE_CHANGE newState)
{
emuRunningState = (newState == EMUSTATE_CHANGE_PLAY) ? true : false;
}
void VideoSoftware::Shutdown()
{
// TODO: should be in Video_Cleanup
HwRasterizer::Shutdown();
SWRenderer::Shutdown();
DebugUtil::Shutdown();
// Do our OSD callbacks
OSD::DoCallbacks(OSD::OSD_SHUTDOWN);
GLInterface->Shutdown();
}
void VideoSoftware::Video_Cleanup()
{
GLInterface->ClearCurrent();
}
// This is called after Video_Initialize() from the Core
void VideoSoftware::Video_Prepare()
{
GLInterface->MakeCurrent();
// Init extension support.
if (!GLExtensions::Init())
{
ERROR_LOG(VIDEO, "GLExtensions::Init failed!Does your video card support OpenGL 2.0?");
return;
}
// Handle VSync on/off
GLInterface->SwapInterval(VSYNC_ENABLED);
// Do our OSD callbacks
OSD::DoCallbacks(OSD::OSD_INIT);
HwRasterizer::Prepare();
SWRenderer::Prepare();
INFO_LOG(VIDEO, "Video backend initialized.");
}
// Run from the CPU thread (from VideoInterface.cpp)
void VideoSoftware::Video_BeginField(u32 xfbAddr, u32 fbWidth, u32 fbHeight)
{
s_beginFieldArgs.xfbAddr = xfbAddr;
s_beginFieldArgs.fbWidth = fbWidth;
s_beginFieldArgs.fbHeight = fbHeight;
}
// Run from the CPU thread (from VideoInterface.cpp)
void VideoSoftware::Video_EndField()
{
// Techincally the XFB is continually rendered out scanline by scanline between
// BeginField and EndFeild, We could possibly get away with copying out the whole thing
// at BeginField for less lag, but for the safest emulation we run it here.
if (g_bSkipCurrentFrame || s_beginFieldArgs.xfbAddr == 0)
{
swstats.frameCount++;
swstats.ResetFrame();
Core::Callback_VideoCopiedToXFB(false);
return;
}
if (!g_SWVideoConfig.bHwRasterizer)
{
if (!g_SWVideoConfig.bBypassXFB)
{
EfbInterface::yuv422_packed *xfb = (EfbInterface::yuv422_packed *) Memory::GetPointer(s_beginFieldArgs.xfbAddr);
SWRenderer::UpdateColorTexture(xfb, s_beginFieldArgs.fbWidth, s_beginFieldArgs.fbHeight);
}
}
// Ideally we would just move all the OpenGL context stuff to the CPU thread,
// but this gets messy when the hardware rasterizer is enabled.
// And neobrain loves his hardware rasterizer.
// If BypassXFB has already done a swap (cf. EfbCopy::CopyToXfb), skip this.
if (!g_SWVideoConfig.bBypassXFB)
{
// If we are in dual core mode, notify the GPU thread about the new color texture.
if (SConfig::GetInstance().m_LocalCoreStartupParameter.bCPUThread)
Common::AtomicStoreRelease(s_swapRequested, true);
else
SWRenderer::Swap(s_beginFieldArgs.fbWidth, s_beginFieldArgs.fbHeight);
}
}
u32 VideoSoftware::Video_AccessEFB(EFBAccessType type, u32 x, u32 y, u32 InputData)
{
u32 value = 0;
switch (type)
{
case PEEK_Z:
{
value = EfbInterface::GetDepth(x, y);
break;
}
case POKE_Z:
break;
case PEEK_COLOR:
{
u32 color = 0;
EfbInterface::GetColor(x, y, (u8*)&color);
// rgba to argb
value = (color >> 8) | (color & 0xff) << 24;
break;
}
case POKE_COLOR:
break;
}
return value;
}
u32 VideoSoftware::Video_GetQueryResult(PerfQueryType type)
{
return EfbInterface::perf_values[type];
}
bool VideoSoftware::Video_Screenshot(const std::string& filename)
{
SWRenderer::SetScreenshot(filename.c_str());
return true;
}
// Run from the graphics thread
static void VideoFifo_CheckSwapRequest()
{
if (Common::AtomicLoadAcquire(s_swapRequested))
{
SWRenderer::Swap(s_beginFieldArgs.fbWidth, s_beginFieldArgs.fbHeight);
Common::AtomicStoreRelease(s_swapRequested, false);
}
}
// -------------------------------
// Enter and exit the video loop
// -------------------------------
void VideoSoftware::Video_EnterLoop()
{
std::lock_guard<std::mutex> lk(m_csSWVidOccupied);
fifoStateRun = true;
while (fifoStateRun)
{
VideoFifo_CheckSwapRequest();
g_video_backend->PeekMessages();
if (!SWCommandProcessor::RunBuffer())
{
Common::YieldCPU();
}
while (!emuRunningState && fifoStateRun)
{
g_video_backend->PeekMessages();
VideoFifo_CheckSwapRequest();
m_csSWVidOccupied.unlock();
Common::SleepCurrentThread(1);
m_csSWVidOccupied.lock();
}
}
}
void VideoSoftware::Video_ExitLoop()
{
fifoStateRun = false;
}
// TODO : could use the OSD class in video common, we would need to implement the Renderer class
// however most of it is useless for the SW backend so we could as well move it to its own class
void VideoSoftware::Video_AddMessage(const std::string& msg, u32 milliseconds)
{
}
void VideoSoftware::Video_ClearMessages()
{
}
void VideoSoftware::Video_SetRendering(bool bEnabled)
{
SWCommandProcessor::SetRendering(bEnabled);
}
void VideoSoftware::Video_GatherPipeBursted()
{
SWCommandProcessor::GatherPipeBursted();
}
bool VideoSoftware::Video_IsPossibleWaitingSetDrawDone(void)
{
return false;
}
bool VideoSoftware::Video_IsHiWatermarkActive(void)
{
return false;
}
void VideoSoftware::Video_AbortFrame(void)
{
}
void VideoSoftware::RegisterCPMMIO(MMIO::Mapping* mmio, u32 base)
{
SWCommandProcessor::RegisterMMIO(mmio, base);
}
// Draw messages on top of the screen
unsigned int VideoSoftware::PeekMessages()
{
return GLInterface->PeekMessages();
}
// Show the current FPS
void VideoSoftware::UpdateFPSDisplay(const std::string& text)
{
GLInterface->UpdateFPSDisplay(StringFromFormat("%s | Software | %s", scm_rev_str, text.c_str()));
}
}