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Add full-time blending function for high resolution mode.

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This commit is contained in:
Brandon Wright 2012-04-07 16:24:12 -05:00
parent 5bf62c9d2f
commit 63ec714739
1 changed files with 34 additions and 0 deletions
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34
gtk/src/gtk_display.cpp
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@ -718,6 +718,40 @@ S9xMergeHires (void *buffer,
return;
}
static void
S9xBlendHires (void *buffer, int pitch, int &width, int &height)
{
uint16 tmp[512];
if (width < 512)
{
width <<= 1;
for (int y = 0; y < height; y++)
{
uint16 *input = (uint16 *) ((uint8 *) buffer + y * pitch);
tmp[0] = input[0];
for (int x = 1; x < width; x++)
tmp[x] = AVERAGE_1555 (input[(x - 1) >> 1], input[(x >> 1)]);
memcpy (input, tmp, width << 1);
}
}
else for (int y = 0; y < height; y++)
{
uint16 *input = (uint16 *) ((uint8 *) buffer + y * pitch);
tmp[0] = input[0];
for (int x = 1; x < width; x++)
tmp[x] = AVERAGE_1555 (input[x - 1], input[x]);
memcpy (input, tmp, pitch);
}
return;
}
void
filter_2x (void *src,
int src_pitch,