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Software Backend: Fix xfb output and add vertical scaling support

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This commit is contained in:
iwubcode
2017-08-23 21:46:23 -05:00
parent e6d85b0915
commit 6e686f6ea1
14 changed files with 179 additions and 117 deletions
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59
Source/Core/VideoBackends/Software/EfbCopy.cpp
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@ -12,29 +12,8 @@
#include "VideoCommon/BPMemory.h"
#include "VideoCommon/Fifo.h"
static const float s_gammaLUT[] = {1.0f, 1.7f, 2.2f, 1.0f};
namespace EfbCopy
{
static void CopyToXfb(u32 xfbAddr, u32 fbWidth, u32 fbHeight, const EFBRectangle& sourceRc,
float Gamma)
{
DEBUG_LOG(VIDEO, "xfbaddr: %x, fbwidth: %i, fbheight: %i, source: (%i, %i, %i, %i), Gamma %f",
xfbAddr, fbWidth, fbHeight, sourceRc.top, sourceRc.left, sourceRc.bottom,
sourceRc.right, Gamma);
EfbInterface::yuv422_packed* xfb_in_ram =
(EfbInterface::yuv422_packed*)Memory::GetPointer(xfbAddr);
EfbInterface::CopyToXFB(xfb_in_ram, fbWidth, fbHeight, sourceRc, Gamma);
}
static void CopyToRam()
{
u8* dest_ptr = Memory::GetPointer(bpmem.copyTexDest << 5);
TextureEncoder::Encode(dest_ptr);
}
void ClearEfb()
{
@ -56,42 +35,4 @@ void ClearEfb()
}
}
void CopyEfb()
{
EFBRectangle rc;
rc.left = (int)bpmem.copyTexSrcXY.x;
rc.top = (int)bpmem.copyTexSrcXY.y;
// flipper represents the widths internally as last pixel minus starting pixel, so
// these are zero indexed.
rc.right = rc.left + (int)bpmem.copyTexSrcWH.x + 1;
rc.bottom = rc.top + (int)bpmem.copyTexSrcWH.y + 1;
if (bpmem.triggerEFBCopy.copy_to_xfb)
{
float yScale;
if (bpmem.triggerEFBCopy.scale_invert)
yScale = 256.0f / (float)bpmem.dispcopyyscale;
else
yScale = (float)bpmem.dispcopyyscale / 256.0f;
float xfbLines = ((bpmem.copyTexSrcWH.y + 1.0f) * yScale);
if (yScale != 1.0)
WARN_LOG(VIDEO, "yScale of %f is currently unsupported", yScale);
if ((u32)xfbLines > MAX_XFB_HEIGHT)
{
INFO_LOG(VIDEO, "Tried to scale EFB to too many XFB lines (%f)", xfbLines);
xfbLines = MAX_XFB_HEIGHT;
}
CopyToXfb(bpmem.copyTexDest << 5, bpmem.copyMipMapStrideChannels << 4, (u32)xfbLines, rc,
s_gammaLUT[bpmem.triggerEFBCopy.gamma]);
}
else
{
CopyToRam(); // FIXME: should use the rectangle we have already created above
}
}
}