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Minor speedup (*foo++, dammit!), some whitespace.

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This commit is contained in:
Ragnvald Maartmann-Moe IV 2001-12-21 16:08:56 +00:00
parent 825b02ad87
commit b5e93ffd6c
1 changed files with 32 additions and 38 deletions
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70
libs/util/tga.c
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@ -52,7 +52,7 @@ static const char rcsid[] =
static int
fgetLittleShort (VFile *f)
{
byte b1, b2;
byte b1, b2;
b1 = Qgetc (f);
b2 = Qgetc (f);
@ -64,7 +64,7 @@ fgetLittleShort (VFile *f)
static int
fgetLittleLong (VFile *f)
{
byte b1, b2, b3, b4;
byte b1, b2, b3, b4;
b1 = Qgetc(f);
b2 = Qgetc(f);
@ -79,10 +79,9 @@ static inline byte *
blit_rgb (byte *buf, int count, byte red, byte green, byte blue)
{
while (count--) {
buf[0] = red;
buf[1] = green;
buf[2] = blue;
buf += 3;
*buf++ = red;
*buf++ = green;
*buf++ = blue;
}
return buf;
}
@ -91,11 +90,10 @@ static inline byte *
blit_rgba (byte *buf, int count, byte red, byte green, byte blue, byte alpha)
{
while (count--) {
buf[0] = red;
buf[1] = green;
buf[2] = blue;
buf[3] = alpha;
buf += 4;
*buf++ = red;
*buf++ = green;
*buf++ = blue;
*buf++ = alpha;
}
return buf;
}
@ -103,46 +101,42 @@ blit_rgba (byte *buf, int count, byte red, byte green, byte blue, byte alpha)
static inline byte *
read_bgr (byte *buf, int count, byte **data)
{
byte blue = (*data)[0];
byte green = (*data)[1];
byte red = (*data)[2];
byte blue = *(*data)++;
byte green = *(*data)++;
byte red = *(*data)++;
*data += 3;
return blit_rgb(buf, count, red, green, blue);
return blit_rgb (buf, count, red, green, blue);
}
static inline byte *
read_rgb (byte *buf, int count, byte **data)
{
byte red = (*data)[0];
byte green = (*data)[1];
byte blue = (*data)[2];
byte red = *(*data)++;
byte green = *(*data)++;
byte blue = *(*data)++;
*data += 3;
return blit_rgb(buf, count, red, green, blue);
return blit_rgb (buf, count, red, green, blue);
}
static inline byte *
read_bgra (byte *buf, int count, byte **data)
{
byte blue = (*data)[0];
byte green = (*data)[1];
byte red = (*data)[2];
byte alpha = (*data)[3];
byte blue = *(*data)++;
byte green = *(*data)++;
byte red = *(*data)++;
byte alpha = *(*data)++;
*data += 4;
return blit_rgba (buf, count, red, green, blue, alpha);
}
static inline byte *
read_rgba (byte *buf, int count, byte **data)
{
byte red = (*data)[0];
byte green = (*data)[1];
byte blue = (*data)[2];
byte alpha = (*data)[3];
byte red = *(*data)++;
byte green = *(*data)++;
byte blue = *(*data)++;
byte alpha = *(*data)++;
*data += 4;
return blit_rgba (buf, count, red, green, blue, alpha);
}
@ -199,7 +193,7 @@ LoadTGA (VFile *fin)
tex->palette = 0;
// skip TARGA image comment
dataByte = (byte *)(targa + 1);
dataByte = (byte *) (targa + 1);
dataByte += targa->id_length;
span = columns * tex->format;
@ -225,7 +219,7 @@ LoadTGA (VFile *fin)
} else if (targa->image_type == 10) { // RLE compressed image
unsigned char packetHeader, packetSize;
byte *(*expand)(byte *buf, int count, byte **data);
byte *(*expand) (byte *buf, int count, byte **data);
if (targa->pixel_size == 24)
expand = read_bgr;
@ -241,9 +235,9 @@ LoadTGA (VFile *fin)
int count = columns - column;
packetSize -= count;
if (packetHeader & 0x80) { // run-length packet
if (packetHeader & 0x80) { // run-length packet
expand (pixcol, count, &dataByte);
} else { // non run-length packet
} else { // non run-length packet
while (count--)
expand (pixcol, 1, &dataByte);
}
@ -253,15 +247,15 @@ LoadTGA (VFile *fin)
goto done;
}
column += packetSize;
if (packetHeader & 0x80) { // run-length packet
if (packetHeader & 0x80) { // run-length packet
pixcol = expand (pixcol, packetSize, &dataByte);
} else { // non run-length packet
} else { // non run-length packet
while (packetSize--)
pixcol = expand (pixcol, 1, &dataByte);
}
}
}
done:
done:;
}
Hunk_FreeToLowMark (targa_mark);