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GRAPHICS: Remove downscalers only used by the Windows CE port

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Cameron Cawley 2019-11-10 16:35:01 +00:00 committed by Eugene Sandulenko
parent f2b9f7bb76
commit c4b1695505
2 changed files with 0 additions and 83 deletions
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71
graphics/scaler/downscaler.cpp
View File

@ -72,74 +72,3 @@ void DownscaleAllByHalf(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uin
}
#endif
/**
* This filter (down)scales the source image horizontally by a factor of 1/2.
* For example, a 320x200 image is scaled to 160x200.
*/
template<typename ColorMask>
void DownscaleHorizByHalfTemplate(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
uint16 *work;
// Various casts below go via (void *) to avoid warning. This is
// safe as these are all even addresses.
while (height--) {
work = (uint16 *)(void *)dstPtr;
for (int i = 0; i < width; i += 2) {
uint16 color1 = *(((const uint16 *)(const void *)srcPtr) + i);
uint16 color2 = *(((const uint16 *)(const void *)srcPtr) + (i + 1));
*work++ = interpolate32_1_1<ColorMask>(color1, color2);
}
srcPtr += srcPitch;
dstPtr += dstPitch;
}
}
void DownscaleHorizByHalf(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
extern int gBitFormat;
if (gBitFormat == 565)
DownscaleHorizByHalfTemplate<Graphics::ColorMasks<565> >(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
else
DownscaleHorizByHalfTemplate<Graphics::ColorMasks<555> >(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
}
/**
* This filter (down)scales the source image horizontally by a factor of 3/4.
* For example, a 320x200 image is scaled to 240x200.
*/
template<typename ColorMask>
void DownscaleHorizByThreeQuartersTemplate(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
uint16 *work;
// Various casts below go via (void *) to avoid warning. This is
// safe as these are all even addresses.
while (height--) {
work = (uint16 *)(void *)dstPtr;
for (int i = 0; i < width; i += 4) {
// Work with 4 pixels
uint16 color1 = *(((const uint16 *)(const void *)srcPtr) + i);
uint16 color2 = *(((const uint16 *)(const void *)srcPtr) + (i + 1));
uint16 color3 = *(((const uint16 *)(const void *)srcPtr) + (i + 2));
uint16 color4 = *(((const uint16 *)(const void *)srcPtr) + (i + 3));
work[0] = interpolate32_3_1<ColorMask>(color1, color2);
work[1] = interpolate32_1_1<ColorMask>(color2, color3);
work[2] = interpolate32_3_1<ColorMask>(color4, color3);
work += 3;
}
srcPtr += srcPitch;
dstPtr += dstPitch;
}
}
void DownscaleHorizByThreeQuarters(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
extern int gBitFormat;
if (gBitFormat == 565)
DownscaleHorizByThreeQuartersTemplate<Graphics::ColorMasks<565> >(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
else
DownscaleHorizByThreeQuartersTemplate<Graphics::ColorMasks<555> >(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
}

12
graphics/scaler/downscaler.h
View File

@ -32,16 +32,4 @@
*/
DECLARE_SCALER(DownscaleAllByHalf);
/**
* This filter (down)scales the source image horizontally by a factor of 1/2.
* For example, a 320x200 image is scaled to 160x200.
*/
DECLARE_SCALER(DownscaleHorizByHalf);
/**
* This filter (down)scales the source image horizontally by a factor of 3/4.
* For example, a 320x200 image is scaled to 240x200.
*/
DECLARE_SCALER(DownscaleHorizByThreeQuarters);
#endif