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Video optimizations - ~4/~5fps speedup

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This commit is contained in:
twinaphex 2012-10-20 06:16:17 +02:00
parent c05011c393
commit d69f53690d
3 changed files with 40 additions and 0 deletions
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4
mednafen/psx/psx.cpp
View File

@ -777,11 +777,15 @@ static void Emulate(EmulateSpecStruct *espec)
{
pscpu_timestamp_t timestamp = 0;
#ifdef __LIBRETRO__
espec->skip = false;
#else
if(FIO->RequireNoFrameskip())
{
//puts("MEOW");
espec->skip = false; //TODO: Save here, and restore at end of Emulate() ?
}
#endif
MDFNGameInfo->mouse_sensitivity = MDFN_GetSettingF("psx.input.mouse_sensitivity");

19
mednafen/video/surface.cpp
View File

@ -121,6 +121,15 @@ void MDFN_Surface::Init(void *const p_pixels, const uint32 p_width, const uint32
// to boot.
void MDFN_Surface::SetFormat(const MDFN_PixelFormat &nf, bool convert)
{
#if (defined(WANT_PSX_EMU)) && defined(__LIBRETRO__)
assert(format.bpp == 32);
assert(nf.bpp == 32);
assert((nf.Rshift + nf.Gshift + nf.Bshift + nf.Ashift) == 48);
assert(!((nf.Rshift | nf.Gshift | nf.Bshift | nf.Ashift) & 0x7));
format = nf;
#else
assert(format.bpp == 16 || format.bpp == 32);
assert(nf.bpp == 16 || nf.bpp == 32);
@ -250,12 +259,21 @@ void MDFN_Surface::SetFormat(const MDFN_PixelFormat &nf, bool convert)
}
}
format = nf;
#endif
}
void MDFN_Surface::Fill(uint8 r, uint8 g, uint8 b, uint8 a)
{
uint32 color = MakeColor(r, g, b, a);
#if (defined(WANT_PSX_EMU) && defined(__LIBRETRO__))
/* 32bpp color */
assert(pixels);
for(int32 i = 0; i < pitchinpix * h; i++)
pixels[i] = color;
#else
/* 16bpp color */
if(format.bpp == 16)
{
assert(pixels16);
@ -270,6 +288,7 @@ void MDFN_Surface::Fill(uint8 r, uint8 g, uint8 b, uint8 a)
for(int32 i = 0; i < pitchinpix * h; i++)
pixels[i] = color;
}
#endif
}
MDFN_Surface::~MDFN_Surface()

17
mednafen/video/surface.h
View File

@ -52,6 +52,12 @@ class MDFN_PixelFormat
uint8 Aprec;
// Creates a color value for the surface corresponding to the 8-bit R/G/B/A color passed.
#if (defined(WANT_PSX_EMU)) && defined(__LIBRETRO__)
INLINE uint32 MakeColor(uint8 r, uint8 g, uint8 b, uint8 a = 0) const
{
return((r << Rshift) | (g << Gshift) | (b << Bshift) | (a << Ashift));
}
#else
INLINE uint32 MakeColor(uint8 r, uint8 g, uint8 b, uint8 a = 0) const
{
if(colorspace == MDFN_COLORSPACE_YCbCr)
@ -85,8 +91,18 @@ class MDFN_PixelFormat
return((r << Rshift) | (g << Gshift) | (b << Bshift) | (a << Ashift));
}
}
#endif
// Gets the R/G/B/A values for the passed 32-bit surface pixel value
#if (defined(WANT_PSX_EMU)) && defined(__LIBRETRO__)
INLINE void DecodeColor(uint32 value, int &r, int &g, int &b, int &a) const
{
r = (value >> Rshift) & 0xFF;
g = (value >> Gshift) & 0xFF;
b = (value >> Bshift) & 0xFF;
a = (value >> Ashift) & 0xFF;
}
#else
INLINE void DecodeColor(uint32 value, int &r, int &g, int &b, int &a) const
{
if(colorspace == MDFN_COLORSPACE_YCbCr)
@ -140,6 +156,7 @@ class MDFN_PixelFormat
}
}
}
#endif
}; // MDFN_PixelFormat;