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(PSX) Simplify retro_run for PSX - no more hoky manipulation of frame

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buffer for various screen widths/heights
This commit is contained in:
twinaphex 2013-02-24 00:45:47 +01:00
parent 1b52fddc2b
commit c4c144e6a1
1 changed files with 1 additions and 35 deletions
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36
libretro.cpp
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@ -696,46 +696,12 @@ void retro_run()
#if defined(WANT_PSX_EMU)
unsigned width = rects[0].w;
unsigned height = spec.DisplayRect.h;
unsigned int ptrDiff = 0;
#else
unsigned width = spec.DisplayRect.w;
unsigned height = spec.DisplayRect.h;
#endif
#if defined(WANT_PSX_EMU)
// This is for PAL, the core implements PAL over NTSC TV so you get the
// infamous PAL borders. This removes them. The PS1 supports only two horizontal
// resolutions so it's OK to use constants and not percentage.
bool isPal = false;
if (height == FB_HEIGHT)
{
ptrDiff += width * 47;
height = 480;
isPal = true;
}
else if (height == 288)
{
// TODO: This seems to be OK as is, but I might be wrong.
isPal = true;
}
if (isPal && width == FB_WIDTH)
ptrDiff += 7;
// The core handles vertical overscan for NTSC pretty well, but it ignores
// horizontal overscan. This is a tough estimation of what the horizontal
// overscan should be, tested with all major NTSC resolutions. Mayeb make it
// configurable?
float hoverscan = 0.941176471;
width = width * hoverscan;
ptrDiff += ((rects[0].w - width) / 2);
const uint32_t *ptr = surf->pixels;
ptr += ptrDiff;
video_cb(ptr, width, height, FB_WIDTH << 2);
#elif defined(WANT_32BPP)
#if defined(WANT_32BPP)
const uint32_t *pix = surf->pixels;
video_cb(pix, width, height, FB_WIDTH << 2);
#elif defined(WANT_16BPP)