libretro/beetle-pce-fast-libretro
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Add special casing for PSX.

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Themaister 2013-02-25 09:38:53 +01:00
parent 0ab3ca8822
commit 9564745588
1 changed files with 19 additions and 2 deletions
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21
libretro.cpp
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@ -42,7 +42,7 @@ static Deinterlacer deint;
#define MEDNAFEN_CORE_GEOMETRY_MAX_W 640
#define MEDNAFEN_CORE_GEOMETRY_MAX_H 480
#define MEDNAFEN_CORE_GEOMETRY_ASPECT_RATIO (4.0 / 3.0)
#define FB_WIDTH 680
#define FB_WIDTH 700
#define FB_HEIGHT 480
#elif defined(WANT_PCE_FAST_EMU)
@ -693,13 +693,29 @@ void retro_run()
spec.SoundBufSize = spec.SoundBufSizeALMS + SoundBufSize;
// PSX is rather special, and needs specific handling ...
#if defined(WANT_PSX_EMU)
unsigned width = rects[0].w;
unsigned height = spec.DisplayRect.h;
// PSX core inserts weird padding on left and right edges.
// 320 width -> 350 width.
// 640 width -> 700 width.
// Rectify this.
const uint32_t *pix = surf->pixels;
if (width == 350)
{
pix += 14; // Not a typo. 15 shifts the image slightly too far.
width = 320;
}
else if (width == 700)
{
pix += 33; // Not a typo. Needs to shift by exactly 33, or it's bad.
width = 640;
}
video_cb(pix, width, height, FB_WIDTH << 2);
#else
unsigned width = spec.DisplayRect.w;
unsigned height = spec.DisplayRect.h;
#endif
#if defined(WANT_32BPP)
const uint32_t *pix = surf->pixels;
@ -707,6 +723,7 @@ void retro_run()
#elif defined(WANT_16BPP)
const uint16_t *pix = surf->pixels16;
video_cb(pix, width, height, FB_WIDTH << 1);
#endif
#endif
video_frames++;