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Finally Merge branch 'videosoftware-xfb'

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This adds xfb support to the videosoftware backend, which increases it's
accuracy and more imporantly, enables the usage of many homebrew apps
which write directly to the xfb on the videosoftware backend.

Conflicts:
	Source/Core/VideoBackends/Software/SWRenderer.cpp
	Source/Core/VideoBackends/Software/SWmain.cpp
This commit is contained in:
Scott Mansell
2014-01-21 00:10:00 +13:00
parent 2c8340e1dc 43d1678fb2
commit 8b2c540544
34 changed files with 17020 additions and 5102 deletions
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55
Source/Core/VideoBackends/Software/SWmain.cpp
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@ -10,6 +10,7 @@
#endif // HAVE_WX
#include "../OGL/GLExtensions/GLExtensions.h"
#include "Atomic.h"
#include "SWCommandProcessor.h"
#include "OpcodeDecoder.h"
#include "SWVideoConfig.h"
@ -29,10 +30,22 @@
#include "OpcodeDecoder.h"
#include "SWVertexLoader.h"
#include "SWStatistics.h"
#include "HW/VideoInterface.h"
#include "HW/Memmap.h"
#include "ConfigManager.h"
#include "OnScreenDisplay.h"
#define VSYNC_ENABLED 0
static volatile u32 s_swapRequested = false;
static volatile struct
{
u32 xfbAddr;
u32 fbWidth;
u32 fbHeight;
} s_beginFieldArgs;
namespace SW
{
@ -188,11 +201,41 @@ void VideoSoftware::Video_Prepare()
// 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);
}
}
// Idealy we would just move all the opengl contex stuff to the CPU thread, but this gets
// messy when the Hardware Rasterizer is enabled.
// And Neobrain loves his Hardware Rasterizer
// If we are runing dual core, Signal the GPU thread about the new colour 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)
@ -239,6 +282,16 @@ bool VideoSoftware::Video_Screenshot(const char *_szFilename)
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
// -------------------------------
@ -249,6 +302,7 @@ void VideoSoftware::Video_EnterLoop()
while (fifoStateRun)
{
VideoFifo_CheckSwapRequest();
g_video_backend->PeekMessages();
if (!SWCommandProcessor::RunBuffer())
@ -259,6 +313,7 @@ void VideoSoftware::Video_EnterLoop()
while (!emuRunningState && fifoStateRun)
{
g_video_backend->PeekMessages();
VideoFifo_CheckSwapRequest();
m_csSWVidOccupied.unlock();
Common::SleepCurrentThread(1);
m_csSWVidOccupied.lock();