diff options
Diffstat (limited to 'backends/morphos/morphos_scaler.cpp')
| -rw-r--r-- | backends/morphos/morphos_scaler.cpp | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/backends/morphos/morphos_scaler.cpp b/backends/morphos/morphos_scaler.cpp index 8d1d99424a..d01b26c98a 100644 --- a/backends/morphos/morphos_scaler.cpp +++ b/backends/morphos/morphos_scaler.cpp @@ -33,6 +33,7 @@ #define INTERPOLATE(A, B) (((A & colorMask) >> 1) + ((B & colorMask) >> 1) + (A & B & lowPixelMask)) #define Q_INTERPOLATE(A, B, C, D) ((A & qcolorMask) >> 2) + ((B & qcolorMask) >> 2) + ((C & qcolorMask) >> 2) + ((D & qcolorMask) >> 2) + ((((A & qlowpixelMask) + (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask)) >> 2) & qlowpixelMask) #define SWAP_WORD(word) word = ((word & 0xff) << 8) | (word >> 8) +#define SWAP_LONG(lng) lng = ((lng & 0xff) << 24) | ((lng & 0xff00) << 8) | ((lng & 0xff0000) >> 8) | (lng >> 24) MorphOSScaler::GfxScaler MorphOSScaler::ScummScalers[11] = { { "none", "normal", ST_NONE }, @@ -82,7 +83,8 @@ MorphOSScaler::MorphOSScaler(APTR buffer, int width, int height, ULONG *col_tabl ScummPCMode = false; if (pixfmt == PIXFMT_RGB15PC || pixfmt == PIXFMT_BGR15PC || - pixfmt == PIXFMT_RGB16PC || pixfmt == PIXFMT_BGR16PC) + pixfmt == PIXFMT_RGB16PC || pixfmt == PIXFMT_BGR16PC || + pixfmt == PIXFMT_BGRA32) ScummPCMode = true; colorMask = (MakeColor(pixfmt, 255, 0, 0) - minr) | (MakeColor(pixfmt, 0, 255, 0) - ming) | (MakeColor(pixfmt, 0, 0, 255) - minb); @@ -185,25 +187,22 @@ uint32 MorphOSScaler::MakeColor(int pixfmt, int r, int g, int b) col = (((b*31)/255) << 11) | (((g*63)/255) << 5) | ((r*31)/255); break; - case PIXFMT_RGB24: case PIXFMT_ARGB32: - col = (r << 16) | (g << 8) | b; - break; - - case PIXFMT_BGR24: - col = (b << 16) | (g << 8) | r; - break; - case PIXFMT_BGRA32: - col = (b << 24) | (g << 16) | (r << 8); + col = (r << 16) | (g << 8) | b; break; case PIXFMT_RGBA32: col = (r << 24) | (g << 16) | (b << 8); break; + case PIXFMT_RGB24: + case PIXFMT_BGR24: + error("The scaling engines do not support 24 bit modes at the moment"); + break; + default: - error("Unsupported pixel format: %d. Please contact author at tomjoad@muenster.de.", pixfmt); + error("Unsupported pixel format: %d. Please contact author at tomjoad@muenster.de", pixfmt); } return col; @@ -337,6 +336,13 @@ void Super2xSaIScaler::Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 d } else { + if (ScummPCMode) + { + SWAP_LONG(product1a); + SWAP_LONG(product1b); + SWAP_LONG(product2a); + SWAP_LONG(product2b); + } *((unsigned long *) (&dst_line[0][x * 8])) = product1a; *((unsigned long *) (&dst_line[0][x * 8 + 4])) = product1b; *((unsigned long *) (&dst_line[1][x * 8])) = product2a; @@ -559,6 +565,13 @@ void SuperEagleScaler::Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 d } else { + if (ScummPCMode) + { + SWAP_LONG(product1a); + SWAP_LONG(product1b); + SWAP_LONG(product2a); + SWAP_LONG(product2b); + } *((unsigned long *) (&dst_line[0][x * 8])) = product1a; *((unsigned long *) (&dst_line[0][x * 8 + 4])) = product1b; *((unsigned long *) (&dst_line[1][x * 8])) = product2a; @@ -705,6 +718,14 @@ void AdvMame2xScaler::Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 de } else { + if (ScummPCMode) + { + SWAP_LONG(B); + SWAP_LONG(D); + SWAP_LONG(E); + SWAP_LONG(F); + SWAP_LONG(H); + } *((unsigned long *) (&dst_line[0][x * 8])) = D == B && B != F && D != H ? D : E; *((unsigned long *) (&dst_line[0][x * 8 + 4])) = B == F && B != D && F != H ? F : E; *((unsigned long *) (&dst_line[1][x * 8])) = D == H && D != B && H != F ? D : E; @@ -761,6 +782,9 @@ void PointScaler::Scale(uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y } else { + if (ScummPCMode) + SWAP_LONG(color); + *((unsigned long *) (&dst_line[0][x * 8])) = color; *((unsigned long *) (&dst_line[0][x * 8 + 4])) = color; *((unsigned long *) (&dst_line[1][x * 8])) = color; |