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softpipe: minor tweaks to texture filtering code

This commit is contained in:
Brian Paul 2010-03-04 15:53:41 -07:00
parent 2b5c5c0dcf
commit b37c541500
1 changed files with 5 additions and 9 deletions
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14
src/gallium/drivers/softpipe/sp_tex_sample.c
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@ -55,7 +55,7 @@
static INLINE float
frac(float f)
{
return f - util_ifloor(f);
return f - floorf(f);
}
@ -201,11 +201,9 @@ wrap_nearest_mirror_repeat(const float s[4], unsigned size, int icoord[4])
const float max = 1.0F - min;
for (ch = 0; ch < 4; ch++) {
const int flr = util_ifloor(s[ch]);
float u;
float u = frac(s[ch]);
if (flr & 1)
u = 1.0F - (s[ch] - (float) flr);
else
u = s[ch] - (float) flr;
u = 1.0F - u;
if (u < min)
icoord[ch] = 0;
else if (u > max)
@ -358,11 +356,9 @@ wrap_linear_mirror_repeat(const float s[4], unsigned size,
uint ch;
for (ch = 0; ch < 4; ch++) {
const int flr = util_ifloor(s[ch]);
float u;
float u = frac(s[ch]);
if (flr & 1)
u = 1.0F - (s[ch] - (float) flr);
else
u = s[ch] - (float) flr;
u = 1.0F - u;
u = u * size - 0.5F;
icoord0[ch] = util_ifloor(u);
icoord1[ch] = icoord0[ch] + 1;