mesa: use F_TO_I() instead of IROUND()

Use it where performance matters more and the exact method of float->int
conversion/rounding isn't terribly important.  There should no net change
here since F_TO_I() is the new name of the old IROUND() function.

Reviewed-by: José Fonseca <jfonseca@vmware.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/src/mesa/main/pixeltransfer.c b/src/mesa/main/pixeltransfer.c
index c6172b9..fa355eb 100644
--- a/src/mesa/main/pixeltransfer.c
+++ b/src/mesa/main/pixeltransfer.c
@@ -93,10 +93,10 @@ _mesa_map_rgba( const struct gl_context *ctx, GLuint n, GLfloat rgba[][4] )
       GLfloat g = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F);
       GLfloat b = CLAMP(rgba[i][BCOMP], 0.0F, 1.0F);
       GLfloat a = CLAMP(rgba[i][ACOMP], 0.0F, 1.0F);
-      rgba[i][RCOMP] = rMap[IROUND(r * rscale)];
-      rgba[i][GCOMP] = gMap[IROUND(g * gscale)];
-      rgba[i][BCOMP] = bMap[IROUND(b * bscale)];
-      rgba[i][ACOMP] = aMap[IROUND(a * ascale)];
+      rgba[i][RCOMP] = rMap[F_TO_I(r * rscale)];
+      rgba[i][GCOMP] = gMap[F_TO_I(g * gscale)];
+      rgba[i][BCOMP] = bMap[F_TO_I(b * bscale)];
+      rgba[i][ACOMP] = aMap[F_TO_I(a * ascale)];
    }
 }
 
@@ -235,7 +235,7 @@ _mesa_apply_ci_transfer_ops(const struct gl_context *ctx,
       GLuint i;
       for (i = 0; i < n; i++) {
          const GLuint j = indexes[i] & mask;
-         indexes[i] = IROUND(ctx->PixelMaps.ItoI.Map[j]);
+         indexes[i] = F_TO_I(ctx->PixelMaps.ItoI.Map[j]);
       }
    }
 }