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Backport simias 24bpp patch

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This commit is contained in:
twinaphex 2016-01-28 22:22:19 +01:00
parent 42e044dae6
commit 5ed95bbdf2
1 changed files with 13 additions and 7 deletions
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20
mednafen/psx/gpu.cpp
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@ -1118,19 +1118,25 @@ uint32_t PS_GPU::Read(const int32_t timestamp, uint32_t A)
INLINE void PS_GPU::ReorderRGB_Var(uint32_t out_Rshift, uint32_t out_Gshift, uint32_t out_Bshift, bool bpp24, const uint16_t *src, uint32_t *dest, const int32 dx_start, const int32 dx_end, int32 fb_x)
{
if(bpp24) // 24bpp XXX fixme for upscaling
int32_t fb_mask = ((0x7FF << UPSCALE_SHIFT) + UPSCALE - 1);
if(bpp24) // 24bpp
{
for(int32 x = dx_start; x < dx_end; x++)
for(int32 x = dx_start; x < dx_end; x+= UPSCALE)
{
uint32_t srcpix;
srcpix = src[(fb_x >> 1) + 0] | (src[((fb_x >> 1) + 1) & 0x7FF] << 16);
srcpix >>= (fb_x & 1) * 8;
srcpix = src[(fb_x >> 1) + 0] | (src[((fb_x >> 1) + (1 << UPSCALE_SHIFT)) & fb_mask] << 16);
srcpix >>= ((fb_x >> UPSCALE_SHIFT) & 1) * 8;
dest[x] = (((srcpix >> 0) << RED_SHIFT) & (0xFF << RED_SHIFT)) | (((srcpix >> 8) << GREEN_SHIFT) & (0xFF << GREEN_SHIFT)) |
uint32_t color = (((srcpix >> 0) << RED_SHIFT) & (0xFF << RED_SHIFT)) | (((srcpix >> 8) << GREEN_SHIFT) & (0xFF << GREEN_SHIFT)) |
(((srcpix >> 16) << BLUE_SHIFT) & (0xFF << BLUE_SHIFT));
fb_x = (fb_x + 3) & 0x7FF;
for (int i = 0; i < UPSCALE; i++) {
dest[x + i] = color;
}
fb_x = (fb_x + (3 << UPSCALE_SHIFT)) & fb_mask;
}
} // 15bpp
else
@ -1140,7 +1146,7 @@ INLINE void PS_GPU::ReorderRGB_Var(uint32_t out_Rshift, uint32_t out_Gshift, uin
uint32_t srcpix = src[(fb_x >> 1)];
dest[x] = MAKECOLOR((((srcpix >> 0) & 0x1F) << 3), (((srcpix >> 5) & 0x1F) << 3), (((srcpix >> 10) & 0x1F) << 3), 0);
fb_x = (fb_x + 2) & ((0x7FF << UPSCALE_SHIFT) + UPSCALE - 1);
fb_x = (fb_x + 2) & fb_mask;
}
}