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tiny speedup to texture uploads

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This commit is contained in:
Bill Currie 2001-12-21 20:12:51 +00:00
parent 858bb55bcc
commit 168d3aa308
1 changed files with 5 additions and 8 deletions
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13
libs/video/renderer/gl/gl_textures.c
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@ -504,7 +504,7 @@ void
GL_Upload8 (byte * data, int width, int height, qboolean mipmap, qboolean alpha)
{
int i, s, p;
unsigned int *trans = NULL;
unsigned int *trans;
s = width * height;
trans = malloc (s * sizeof (unsigned int));
@ -522,13 +522,10 @@ GL_Upload8 (byte * data, int width, int height, qboolean mipmap, qboolean alpha)
trans[i] = d_8to24table[p];
}
} else {
if (s & 3)
Sys_Error ("GL_Upload8: width*height divisible by 3");
for (i = 0; i < s; i += 4) {
trans[i] = d_8to24table[data[i]];
trans[i + 1] = d_8to24table[data[i + 1]];
trans[i + 2] = d_8to24table[data[i + 2]];
trans[i + 3] = d_8to24table[data[i + 3]];
unsigned int *out = trans;
byte *in = data;
for (i = 0; i < s; i++) {
*out++ = d_8to24table[*in++];
}
}