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Fix some fractional EFB scaling issues.

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This commit is contained in:
NeoBrainX
2012-10-02 22:11:15 +02:00
parent f88e7d3b73
commit b02bb7617f
4 changed files with 102 additions and 39 deletions
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108
Source/Core/VideoCommon/Src/RenderBase.cpp
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@ -76,6 +76,11 @@ bool Renderer::XFBWrited;
bool Renderer::s_EnableDLCachingAfterRecording;
unsigned int Renderer::prev_efb_format = (unsigned int)-1;
unsigned int Renderer::efb_scale_numeratorX = 1;
unsigned int Renderer::efb_scale_numeratorY = 1;
unsigned int Renderer::efb_scale_denominatorX = 1;
unsigned int Renderer::efb_scale_denominatorY = 1;
unsigned int Renderer::ssaa_multiplier = 1;
Renderer::Renderer() : frame_data(NULL), bLastFrameDumped(false)
@ -93,6 +98,8 @@ Renderer::~Renderer()
// invalidate previous efb format
prev_efb_format = (unsigned int)-1;
efb_scale_numeratorX = efb_scale_numeratorY = efb_scale_denominatorX = efb_scale_denominatorY = ssaa_multiplier = 1;
#if defined _WIN32 || defined HAVE_LIBAV
if (g_ActiveConfig.bDumpFrames && bLastFrameDumped && bAVIDumping)
AVIDump::Stop();
@ -129,41 +136,86 @@ void Renderer::RenderToXFB(u32 xfbAddr, u32 fbWidth, u32 fbHeight, const EFBRect
}
}
void Renderer::CalculateTargetScale(int x, int y, int &scaledX, int &scaledY)
int Renderer::EFBToScaledX(int x)
{
switch (g_ActiveConfig.iEFBScale)
{
case 3: // 1.5x
scaledX = (x / 2) * 3;
scaledY = (y / 2) * 3;
break;
case 4: // 2x
scaledX = x * 2;
scaledY = y * 2;
break;
case 5: // 2.5x
scaledX = (x / 2) * 5;
scaledY = (y / 2) * 5;
break;
case 6: // 3x
scaledX = x * 3;
scaledY = y * 3;
break;
case 7: // 4x
scaledX = x * 4;
scaledY = y * 4;
break;
case 0: // fractional
return (int)ssaa_multiplier * FramebufferManagerBase::ScaleToVirtualXfbWidth(x, s_backbuffer_width);
default:
scaledX = x;
scaledY = y;
break;
return x * (int)ssaa_multiplier * (int)efb_scale_numeratorX / (int)efb_scale_denominatorX;
};
}
int Renderer::EFBToScaledY(int y)
{
switch (g_ActiveConfig.iEFBScale)
{
case 0: // fractional
return (int)ssaa_multiplier * FramebufferManagerBase::ScaleToVirtualXfbHeight(y, s_backbuffer_height);
default:
return y * (int)ssaa_multiplier * (int)efb_scale_numeratorY / (int)efb_scale_denominatorY;
};
}
void Renderer::CalculateTargetScale(int x, int y, int &scaledX, int &scaledY)
{
if (g_ActiveConfig.iEFBScale == 0 || g_ActiveConfig.iEFBScale == 1)
{
scaledX = x;
scaledY = y;
}
else
{
scaledX = x * (int)efb_scale_numeratorX / (int)efb_scale_denominatorX;
scaledY = y * (int)efb_scale_numeratorY / (int)efb_scale_denominatorY;
}
}
// return true if target size changed
bool Renderer::CalculateTargetSize(unsigned int framebuffer_width, unsigned int framebuffer_height, int multiplier)
{
int newEFBWidth, newEFBHeight;
// TODO: Ugly. Clean up
switch (s_LastEFBScale)
{
case 2: // 1x
efb_scale_numeratorX = efb_scale_numeratorY = 1;
efb_scale_denominatorX = efb_scale_denominatorY = 1;
break;
case 3: // 1.5x
efb_scale_numeratorX = efb_scale_numeratorY = 3;
efb_scale_denominatorX = efb_scale_denominatorY = 2;
break;
case 4: // 2x
efb_scale_numeratorX = efb_scale_numeratorY = 2;
efb_scale_denominatorX = efb_scale_denominatorY = 1;
break;
case 5: // 2.5x
efb_scale_numeratorX = efb_scale_numeratorY = 5;
efb_scale_denominatorX = efb_scale_denominatorY = 2;
break;
case 6: // 3x
efb_scale_numeratorX = efb_scale_numeratorY = 3;
efb_scale_denominatorX = efb_scale_denominatorY = 1;
break;
case 7: // 4x
efb_scale_numeratorX = efb_scale_numeratorY = 4;
efb_scale_denominatorX = efb_scale_denominatorY = 1;
break;
default: // fractional & integral handled later
break;
}
switch (s_LastEFBScale)
{
case 0: // fractional
@ -171,13 +223,18 @@ bool Renderer::CalculateTargetSize(unsigned int framebuffer_width, unsigned int
newEFBWidth = FramebufferManagerBase::ScaleToVirtualXfbWidth(EFB_WIDTH, framebuffer_width);
newEFBHeight = FramebufferManagerBase::ScaleToVirtualXfbHeight(EFB_HEIGHT, framebuffer_height);
if (s_LastEFBScale)
if (s_LastEFBScale == 1)
{
newEFBWidth = ((newEFBWidth-1) / EFB_WIDTH + 1) * EFB_WIDTH;
newEFBHeight = ((newEFBHeight-1) / EFB_HEIGHT + 1) * EFB_HEIGHT;
}
efb_scale_numeratorX = newEFBWidth;
efb_scale_denominatorX = EFB_WIDTH;
efb_scale_numeratorY = newEFBHeight;
efb_scale_denominatorY = EFB_HEIGHT;
break;
default:
CalculateTargetScale(EFB_WIDTH, EFB_HEIGHT, newEFBWidth, newEFBHeight);
break;
@ -185,6 +242,7 @@ bool Renderer::CalculateTargetSize(unsigned int framebuffer_width, unsigned int
newEFBWidth *= multiplier;
newEFBHeight *= multiplier;
ssaa_multiplier = multiplier;
if (newEFBWidth != s_target_width || newEFBHeight != s_target_height)
{