diff options
author | Jonathan Gray | 2003-01-15 02:11:37 +0000 |
---|---|---|
committer | Jonathan Gray | 2003-01-15 02:11:37 +0000 |
commit | c08d736d1d4198233b3e6920d904114bae95611e (patch) | |
tree | b02839e86b8e6e99e5920dbf99c8a9e039e3112c /common | |
parent | bd1b0d53ef30d437a1ebaca1397869245d30dc0e (diff) | |
download | scummvm-rg350-c08d736d1d4198233b3e6920d904114bae95611e.tar.gz scummvm-rg350-c08d736d1d4198233b3e6920d904114bae95611e.tar.bz2 scummvm-rg350-c08d736d1d4198233b3e6920d904114bae95611e.zip |
add new tv scanlines graphics scaler from Gregory Montoir, use -g tv2x to try it
svn-id: r6462
Diffstat (limited to 'common')
-rw-r--r-- | common/gameDetector.cpp | 3 | ||||
-rw-r--r-- | common/scaler.cpp | 25 | ||||
-rw-r--r-- | common/scaler.h | 2 | ||||
-rw-r--r-- | common/system.h | 3 |
4 files changed, 31 insertions, 2 deletions
diff --git a/common/gameDetector.cpp b/common/gameDetector.cpp index 99b1300963..554f181634 100644 --- a/common/gameDetector.cpp +++ b/common/gameDetector.cpp @@ -47,7 +47,7 @@ static const char USAGE_STRING[] = "\t-p<path> - look for game in <path>\n" "\t-x[<num>] - load this savegame (default: 0 - autosave)\n" "\t-f - fullscreen mode\n" - "\t-g<mode> - graphics mode (normal,2x,3x,2xsai,super2xsai,supereagle,advmame2x)\n" + "\t-g<mode> - graphics mode (normal,2x,3x,2xsai,super2xsai,supereagle,advmame2x,tv2x)\n" "\t-e<mode> - set music engine (see README for details)\n" "\t-a - specify game is amiga version\n" "\n" @@ -182,6 +182,7 @@ static const struct GraphicsModes gfx_modes[] = { {"super2xsai", "Super2xSAI", GFX_SUPER2XSAI}, {"supereagle", "SuperEagle", GFX_SUPEREAGLE}, {"advmame2x", "AdvMAME2x", GFX_ADVMAME2X}, + {"tv2x", "TV2x", GFX_TV2X}, {0, 0} }; diff --git a/common/scaler.cpp b/common/scaler.cpp index c0a2e30ef4..c0e9f85719 100644 --- a/common/scaler.cpp +++ b/common/scaler.cpp @@ -810,3 +810,28 @@ void Normal3x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, uint8 *dstPtr, uint32 dstPtr += dstPitch3; } } + +void TV2x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, uint8 *dstPtr, uint32 dstPitch, + int width, int height) +{ + unsigned int nextlineSrc = srcPitch / sizeof(short); + short *p = (short *)srcPtr; + + unsigned int nextlineDst = dstPitch / sizeof(short); + short *q = (short *)dstPtr; + + while(height--) { + for (int i = 0, j = 0; i < width; ++i, j += 2) { + unsigned short p1 = *(p + i); + unsigned short p2 = *(p + i + nextlineSrc); + unsigned short pi = (unsigned short)((INTERPOLATE(p1, p2) & colorMask) >> 1); + + *(q + j) = p1; + *(q + j + 1) = p1; + *(q + j + nextlineDst) = pi; + *(q + j + nextlineDst + 1) = pi; + } + p += nextlineSrc; + q += nextlineDst << 1; + } +} diff --git a/common/scaler.h b/common/scaler.h index f3675ccdce..893bb12a8a 100644 --- a/common/scaler.h +++ b/common/scaler.h @@ -36,5 +36,7 @@ extern void Normal2x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, uint8 *dstPtr, uint32 dstPitch, int width, int height); extern void Normal3x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, uint8 *dstPtr, uint32 dstPitch, int width, int height); +extern void TV2x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, + uint8 *dstPtr, uint32 dstPitch, int width, int height); #endif diff --git a/common/system.h b/common/system.h index df8da3b59a..77d50e2e84 100644 --- a/common/system.h +++ b/common/system.h @@ -220,7 +220,8 @@ enum { GFX_2XSAI = 3, GFX_SUPER2XSAI = 4, GFX_SUPEREAGLE = 5, - GFX_ADVMAME2X = 6 + GFX_ADVMAME2X = 6, + GFX_TV2X = 7 }; |