Hi,
The attached patch against r300g moves the cast to an unsigned past the
compare and clamp against 0.
Without the patch negative values are wrapped to huge numbers instead of
clamped to zero.
Please apply.
Mathias
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index 9db5e9e..4cbf2d4 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -1215,8 +1215,8 @@ static void*
/* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
/* We must pass these to the merge function to clamp them properly. */
- sampler->min_lod = MAX2((unsigned)state->min_lod, 0);
- sampler->max_lod = MAX2((unsigned)ceilf(state->max_lod), 0);
+ sampler->min_lod = (unsigned)MAX2(state->min_lod, 0);
+ sampler->max_lod = (unsigned)MAX2(ceilf(state->max_lod), 0);
lod_bias = CLAMP((int)(state->lod_bias * 32 + 1), -(1 << 9), (1 << 9) - 1);
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