diff options
Diffstat (limited to 'backends/platform/ds/arm9/source')
| -rw-r--r-- | backends/platform/ds/arm9/source/blitters.cpp | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/backends/platform/ds/arm9/source/blitters.cpp b/backends/platform/ds/arm9/source/blitters.cpp index b2623fda0c..bf6f4336ec 100644 --- a/backends/platform/ds/arm9/source/blitters.cpp +++ b/backends/platform/ds/arm9/source/blitters.cpp @@ -22,7 +22,7 @@ #include "blitters.h" #define CHARSET_MASK_TRANSPARENCY 253 -#define PERFECT_5_TO_4_RESCALING +//#define PERFECT_5_TO_4_RESCALING namespace DS { @@ -231,11 +231,11 @@ static inline void RescaleBlock_5x1555_To_4x1555( u16 s0, u16 s1, u16 s2, u16 s3 static inline void RescaleBlock_5x1555_To_4x1555( u16 s0, u16 s1, u16 s2, u16 s3, u16 s4, u16* dest) { - u32 ar0bs0 = s0 & 0xFC1F; - u32 ar0bs1 = s1 & 0xFC1F; - u32 ar0bs2 = s2 & 0xFC1F; - u32 ar0bs3 = s3 & 0xFC1F; - u32 ar0bs4 = s4 & 0xFC1F; + u32 ar0bs0 = s0 & 0x7C1F; + u32 ar0bs1 = s1 & 0x7C1F; + u32 ar0bs2 = s2 & 0x7C1F; + u32 ar0bs3 = s3 & 0x7C1F; + u32 ar0bs4 = s4 & 0x7C1F; u32 gs0 = s0 & 0x03E0; u32 gs1 = s1 & 0x03E0; @@ -253,13 +253,13 @@ static inline void RescaleBlock_5x1555_To_4x1555( u16 s0, u16 s1, u16 s2, u16 s3 u32 gd2 = ( gs2 + gs3) >> 1; u32 gd3 = ( gs3 + 3*gs4) >> 2; - u32 d0 = ar0bd0 | gd0; - u32 d1 = ar0bd1 | gd1; - u32 d2 = ar0bd2 | gd2; - u32 d3 = ar0bd3 | gd3; + u32 d0 = (ar0bd0 & 0xFC1F) | (gd0 & 0x03E0); + u32 d1 = (ar0bd1 & 0xFC1F) | (gd1 & 0x03E0); + u32 d2 = (ar0bd2 & 0xFC1F) | (gd2 & 0x03E0); + u32 d3 = (ar0bd3 & 0xFC1F) | (gd3 & 0x03E0); - u32 d10 = (d1 << 16) | d0; - u32 d32 = (d3 << 16) | d2; + u32 d10 = 0x80008000 | (d1 << 16) | d0; + u32 d32 = 0x80008000 | (d3 << 16) | d2; ((u32*)dest)[0] = d10; ((u32*)dest)[1] = d32; @@ -379,7 +379,8 @@ void Rescale_320x256xPAL8_To_256x256x1555(u16* dest, const u8* src, const u16* p void Rescale_320x256xPAL8_To_256x256x1555(u16* dest, const u8* src, const u16* palette, int destStride, int srcStride) { u16 fastRam[256]; - memcpy(fastRam, palette, 256*2); + for(size_t i=0; i<128;; ++i) + ((u32*)fastRam)[i] = ((const u32*)palette)[i]; for(size_t i=0; i<200; ++i) { |