3 files changed, 15 insertions, 10 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
index 2533275dc1..515c9089dd 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
@@ -145,6 +145,10 @@ lp_llvm_sampler_soa_destroy(struct lp_build_sampler_soa *sampler)
 }
 
 
+/**
+ * Fetch filtered values from texture.
+ * The 'texel' parameter returns four vectors corresponding to R, G, B, A.
+ */
 static void
 lp_llvm_sampler_soa_emit_fetch_texel(struct lp_build_sampler_soa *base,
                                      LLVMBuilderRef builder,
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index 770a92be74..6c891029a5 100644
--- a/src/gallium/drivers/r300/r300_render.c
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -273,9 +273,14 @@ static void r300_emit_draw_elements(struct r300_context *r300,
     CS_LOCALS(r300);
 
     assert((start * indexSize)  % 4 == 0);
+    assert(count < (1 << 24));
+
+    DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, min %u max %u\n",
+        count, minIndex, maxIndex);
+
+    maxIndex = MIN2(maxIndex, ((1 << 24) - 1));
 
     if (alt_num_verts) {
-        assert(count < (1 << 24));
         BEGIN_CS(16);
         OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count);
     } else {
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c
index ecd6b39863..b3a79732b4 100644
--- a/src/gallium/drivers/softpipe/sp_tex_sample.c
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.c
@@ -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;