From c9cb9cf0502f4ca179ed1b4dd763c94912843d38 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Fri, 18 May 2012 14:45:20 -0600
Subject: mesa: use F_TO_I() instead of IROUND()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

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>
---
 src/mesa/main/pack.c | 220 +++++++++++++++++++++++++--------------------------
 1 file changed, 110 insertions(+), 110 deletions(-)

(limited to 'src/mesa/main/pack.c')

diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c
index 4d4b4a82569..c25a02e8552 100644
--- a/src/mesa/main/pack.c
+++ b/src/mesa/main/pack.c
@@ -1726,9 +1726,9 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGB) {
             GLubyte *dst = (GLubyte *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 7.0F) << 5)
-                      | (IROUND(rgba[i][GCOMP] * 7.0F) << 2)
-                      | (IROUND(rgba[i][BCOMP] * 3.0F)     );
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 7.0F) << 5)
+                      | (F_TO_I(rgba[i][GCOMP] * 7.0F) << 2)
+                      | (F_TO_I(rgba[i][BCOMP] * 3.0F)     );
             }
          }
          break;
@@ -1736,9 +1736,9 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGB) {
             GLubyte *dst = (GLubyte *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 7.0F)     )
-                      | (IROUND(rgba[i][GCOMP] * 7.0F) << 3)
-                      | (IROUND(rgba[i][BCOMP] * 3.0F) << 6);
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 7.0F)     )
+                      | (F_TO_I(rgba[i][GCOMP] * 7.0F) << 3)
+                      | (F_TO_I(rgba[i][BCOMP] * 3.0F) << 6);
             }
          }
          break;
@@ -1746,9 +1746,9 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGB) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) << 11)
-                      | (IROUND(rgba[i][GCOMP] * 63.0F) <<  5)
-                      | (IROUND(rgba[i][BCOMP] * 31.0F)      );
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) << 11)
+                      | (F_TO_I(rgba[i][GCOMP] * 63.0F) <<  5)
+                      | (F_TO_I(rgba[i][BCOMP] * 31.0F)      );
             }
          }
          break;
@@ -1756,9 +1756,9 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGB) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F)      )
-                      | (IROUND(rgba[i][GCOMP] * 63.0F) <<  5)
-                      | (IROUND(rgba[i][BCOMP] * 31.0F) << 11);
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F)      )
+                      | (F_TO_I(rgba[i][GCOMP] * 63.0F) <<  5)
+                      | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 11);
             }
          }
          break;
@@ -1766,28 +1766,28 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGBA) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 15.0F) << 12)
-                      | (IROUND(rgba[i][GCOMP] * 15.0F) <<  8)
-                      | (IROUND(rgba[i][BCOMP] * 15.0F) <<  4)
-                      | (IROUND(rgba[i][ACOMP] * 15.0F)      );
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 15.0F) << 12)
+                      | (F_TO_I(rgba[i][GCOMP] * 15.0F) <<  8)
+                      | (F_TO_I(rgba[i][BCOMP] * 15.0F) <<  4)
+                      | (F_TO_I(rgba[i][ACOMP] * 15.0F)      );
             }
          }
          else if (dstFormat == GL_BGRA) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][BCOMP] * 15.0F) << 12)
-                      | (IROUND(rgba[i][GCOMP] * 15.0F) <<  8)
-                      | (IROUND(rgba[i][RCOMP] * 15.0F) <<  4)
-                      | (IROUND(rgba[i][ACOMP] * 15.0F)      );
+               dst[i] = (F_TO_I(rgba[i][BCOMP] * 15.0F) << 12)
+                      | (F_TO_I(rgba[i][GCOMP] * 15.0F) <<  8)
+                      | (F_TO_I(rgba[i][RCOMP] * 15.0F) <<  4)
+                      | (F_TO_I(rgba[i][ACOMP] * 15.0F)      );
             }
          }
          else if (dstFormat == GL_ABGR_EXT) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][ACOMP] * 15.0F) << 12)
-                      | (IROUND(rgba[i][BCOMP] * 15.0F) <<  8)
-                      | (IROUND(rgba[i][GCOMP] * 15.0F) <<  4)
-                      | (IROUND(rgba[i][RCOMP] * 15.0F)      );
+               dst[i] = (F_TO_I(rgba[i][ACOMP] * 15.0F) << 12)
+                      | (F_TO_I(rgba[i][BCOMP] * 15.0F) <<  8)
+                      | (F_TO_I(rgba[i][GCOMP] * 15.0F) <<  4)
+                      | (F_TO_I(rgba[i][RCOMP] * 15.0F)      );
             }
          }
          break;
@@ -1795,28 +1795,28 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGBA) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 15.0F)      )
-                      | (IROUND(rgba[i][GCOMP] * 15.0F) <<  4)
-                      | (IROUND(rgba[i][BCOMP] * 15.0F) <<  8)
-                      | (IROUND(rgba[i][ACOMP] * 15.0F) << 12);
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 15.0F)      )
+                      | (F_TO_I(rgba[i][GCOMP] * 15.0F) <<  4)
+                      | (F_TO_I(rgba[i][BCOMP] * 15.0F) <<  8)
+                      | (F_TO_I(rgba[i][ACOMP] * 15.0F) << 12);
             }
          }
          else if (dstFormat == GL_BGRA) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][BCOMP] * 15.0F)      )
-                      | (IROUND(rgba[i][GCOMP] * 15.0F) <<  4)
-                      | (IROUND(rgba[i][RCOMP] * 15.0F) <<  8)
-                      | (IROUND(rgba[i][ACOMP] * 15.0F) << 12);
+               dst[i] = (F_TO_I(rgba[i][BCOMP] * 15.0F)      )
+                      | (F_TO_I(rgba[i][GCOMP] * 15.0F) <<  4)
+                      | (F_TO_I(rgba[i][RCOMP] * 15.0F) <<  8)
+                      | (F_TO_I(rgba[i][ACOMP] * 15.0F) << 12);
             }
          }
          else if (dstFormat == GL_ABGR_EXT) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][ACOMP] * 15.0F)      )
-                      | (IROUND(rgba[i][BCOMP] * 15.0F) <<  4)
-                      | (IROUND(rgba[i][GCOMP] * 15.0F) <<  8)
-                      | (IROUND(rgba[i][RCOMP] * 15.0F) << 12);
+               dst[i] = (F_TO_I(rgba[i][ACOMP] * 15.0F)      )
+                      | (F_TO_I(rgba[i][BCOMP] * 15.0F) <<  4)
+                      | (F_TO_I(rgba[i][GCOMP] * 15.0F) <<  8)
+                      | (F_TO_I(rgba[i][RCOMP] * 15.0F) << 12);
             }
          }
          break;
@@ -1824,28 +1824,28 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGBA) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) << 11)
-                      | (IROUND(rgba[i][GCOMP] * 31.0F) <<  6)
-                      | (IROUND(rgba[i][BCOMP] * 31.0F) <<  1)
-                      | (IROUND(rgba[i][ACOMP] *  1.0F)      );
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) << 11)
+                      | (F_TO_I(rgba[i][GCOMP] * 31.0F) <<  6)
+                      | (F_TO_I(rgba[i][BCOMP] * 31.0F) <<  1)
+                      | (F_TO_I(rgba[i][ACOMP] *  1.0F)      );
             }
          }
          else if (dstFormat == GL_BGRA) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][BCOMP] * 31.0F) << 11)
-                      | (IROUND(rgba[i][GCOMP] * 31.0F) <<  6)
-                      | (IROUND(rgba[i][RCOMP] * 31.0F) <<  1)
-                      | (IROUND(rgba[i][ACOMP] *  1.0F)      );
+               dst[i] = (F_TO_I(rgba[i][BCOMP] * 31.0F) << 11)
+                      | (F_TO_I(rgba[i][GCOMP] * 31.0F) <<  6)
+                      | (F_TO_I(rgba[i][RCOMP] * 31.0F) <<  1)
+                      | (F_TO_I(rgba[i][ACOMP] *  1.0F)      );
             }
          }
          else if (dstFormat == GL_ABGR_EXT) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][ACOMP] * 31.0F) << 11)
-                      | (IROUND(rgba[i][BCOMP] * 31.0F) <<  6)
-                      | (IROUND(rgba[i][GCOMP] * 31.0F) <<  1)
-                      | (IROUND(rgba[i][RCOMP] *  1.0F)      );
+               dst[i] = (F_TO_I(rgba[i][ACOMP] * 31.0F) << 11)
+                      | (F_TO_I(rgba[i][BCOMP] * 31.0F) <<  6)
+                      | (F_TO_I(rgba[i][GCOMP] * 31.0F) <<  1)
+                      | (F_TO_I(rgba[i][RCOMP] *  1.0F)      );
             }
          }
          break;
@@ -1853,28 +1853,28 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGBA) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F)      )
-                      | (IROUND(rgba[i][GCOMP] * 31.0F) <<  5)
-                      | (IROUND(rgba[i][BCOMP] * 31.0F) << 10)
-                      | (IROUND(rgba[i][ACOMP] *  1.0F) << 15);
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F)      )
+                      | (F_TO_I(rgba[i][GCOMP] * 31.0F) <<  5)
+                      | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 10)
+                      | (F_TO_I(rgba[i][ACOMP] *  1.0F) << 15);
             }
          }
          else if (dstFormat == GL_BGRA) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][BCOMP] * 31.0F)      )
-                      | (IROUND(rgba[i][GCOMP] * 31.0F) <<  5)
-                      | (IROUND(rgba[i][RCOMP] * 31.0F) << 10)
-                      | (IROUND(rgba[i][ACOMP] *  1.0F) << 15);
+               dst[i] = (F_TO_I(rgba[i][BCOMP] * 31.0F)      )
+                      | (F_TO_I(rgba[i][GCOMP] * 31.0F) <<  5)
+                      | (F_TO_I(rgba[i][RCOMP] * 31.0F) << 10)
+                      | (F_TO_I(rgba[i][ACOMP] *  1.0F) << 15);
             }
          }
          else if (dstFormat == GL_ABGR_EXT) {
             GLushort *dst = (GLushort *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][ACOMP] * 31.0F)      )
-                      | (IROUND(rgba[i][BCOMP] * 31.0F) <<  5)
-                      | (IROUND(rgba[i][GCOMP] * 31.0F) << 10)
-                      | (IROUND(rgba[i][RCOMP] *  1.0F) << 15);
+               dst[i] = (F_TO_I(rgba[i][ACOMP] * 31.0F)      )
+                      | (F_TO_I(rgba[i][BCOMP] * 31.0F) <<  5)
+                      | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 10)
+                      | (F_TO_I(rgba[i][RCOMP] *  1.0F) << 15);
             }
          }
          break;
@@ -1882,28 +1882,28 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGBA) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 255.F) << 24)
-                      | (IROUND(rgba[i][GCOMP] * 255.F) << 16)
-                      | (IROUND(rgba[i][BCOMP] * 255.F) <<  8)
-                      | (IROUND(rgba[i][ACOMP] * 255.F)      );
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 255.F) << 24)
+                      | (F_TO_I(rgba[i][GCOMP] * 255.F) << 16)
+                      | (F_TO_I(rgba[i][BCOMP] * 255.F) <<  8)
+                      | (F_TO_I(rgba[i][ACOMP] * 255.F)      );
             }
          }
          else if (dstFormat == GL_BGRA) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][BCOMP] * 255.F) << 24)
-                      | (IROUND(rgba[i][GCOMP] * 255.F) << 16)
-                      | (IROUND(rgba[i][RCOMP] * 255.F) <<  8)
-                      | (IROUND(rgba[i][ACOMP] * 255.F)      );
+               dst[i] = (F_TO_I(rgba[i][BCOMP] * 255.F) << 24)
+                      | (F_TO_I(rgba[i][GCOMP] * 255.F) << 16)
+                      | (F_TO_I(rgba[i][RCOMP] * 255.F) <<  8)
+                      | (F_TO_I(rgba[i][ACOMP] * 255.F)      );
             }
          }
          else if (dstFormat == GL_ABGR_EXT) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][ACOMP] * 255.F) << 24)
-                      | (IROUND(rgba[i][BCOMP] * 255.F) << 16)
-                      | (IROUND(rgba[i][GCOMP] * 255.F) <<  8)
-                      | (IROUND(rgba[i][RCOMP] * 255.F)      );
+               dst[i] = (F_TO_I(rgba[i][ACOMP] * 255.F) << 24)
+                      | (F_TO_I(rgba[i][BCOMP] * 255.F) << 16)
+                      | (F_TO_I(rgba[i][GCOMP] * 255.F) <<  8)
+                      | (F_TO_I(rgba[i][RCOMP] * 255.F)      );
             }
          }
          break;
@@ -1911,28 +1911,28 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGBA) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 255.0F)      )
-                      | (IROUND(rgba[i][GCOMP] * 255.0F) <<  8)
-                      | (IROUND(rgba[i][BCOMP] * 255.0F) << 16)
-                      | (IROUND(rgba[i][ACOMP] * 255.0F) << 24);
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 255.0F)      )
+                      | (F_TO_I(rgba[i][GCOMP] * 255.0F) <<  8)
+                      | (F_TO_I(rgba[i][BCOMP] * 255.0F) << 16)
+                      | (F_TO_I(rgba[i][ACOMP] * 255.0F) << 24);
             }
          }
          else if (dstFormat == GL_BGRA) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][BCOMP] * 255.0F)      )
-                      | (IROUND(rgba[i][GCOMP] * 255.0F) <<  8)
-                      | (IROUND(rgba[i][RCOMP] * 255.0F) << 16)
-                      | (IROUND(rgba[i][ACOMP] * 255.0F) << 24);
+               dst[i] = (F_TO_I(rgba[i][BCOMP] * 255.0F)      )
+                      | (F_TO_I(rgba[i][GCOMP] * 255.0F) <<  8)
+                      | (F_TO_I(rgba[i][RCOMP] * 255.0F) << 16)
+                      | (F_TO_I(rgba[i][ACOMP] * 255.0F) << 24);
             }
          }
          else if (dstFormat == GL_ABGR_EXT) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][ACOMP] * 255.0F)      )
-                      | (IROUND(rgba[i][BCOMP] * 255.0F) <<  8)
-                      | (IROUND(rgba[i][GCOMP] * 255.0F) << 16)
-                      | (IROUND(rgba[i][RCOMP] * 255.0F) << 24);
+               dst[i] = (F_TO_I(rgba[i][ACOMP] * 255.0F)      )
+                      | (F_TO_I(rgba[i][BCOMP] * 255.0F) <<  8)
+                      | (F_TO_I(rgba[i][GCOMP] * 255.0F) << 16)
+                      | (F_TO_I(rgba[i][RCOMP] * 255.0F) << 24);
             }
          }
          break;
@@ -1940,28 +1940,28 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGBA) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 1023.0F) << 22)
-                      | (IROUND(rgba[i][GCOMP] * 1023.0F) << 12)
-                      | (IROUND(rgba[i][BCOMP] * 1023.0F) <<  2)
-                      | (IROUND(rgba[i][ACOMP] *    3.0F)      );
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 1023.0F) << 22)
+                      | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 12)
+                      | (F_TO_I(rgba[i][BCOMP] * 1023.0F) <<  2)
+                      | (F_TO_I(rgba[i][ACOMP] *    3.0F)      );
             }
          }
          else if (dstFormat == GL_BGRA) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][BCOMP] * 1023.0F) << 22)
-                      | (IROUND(rgba[i][GCOMP] * 1023.0F) << 12)
-                      | (IROUND(rgba[i][RCOMP] * 1023.0F) <<  2)
-                      | (IROUND(rgba[i][ACOMP] *    3.0F)      );
+               dst[i] = (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 22)
+                      | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 12)
+                      | (F_TO_I(rgba[i][RCOMP] * 1023.0F) <<  2)
+                      | (F_TO_I(rgba[i][ACOMP] *    3.0F)      );
             }
          }
          else if (dstFormat == GL_ABGR_EXT) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][ACOMP] * 1023.0F) << 22)
-                      | (IROUND(rgba[i][BCOMP] * 1023.0F) << 12)
-                      | (IROUND(rgba[i][GCOMP] * 1023.0F) <<  2)
-                      | (IROUND(rgba[i][RCOMP] *    3.0F)      );
+               dst[i] = (F_TO_I(rgba[i][ACOMP] * 1023.0F) << 22)
+                      | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 12)
+                      | (F_TO_I(rgba[i][GCOMP] * 1023.0F) <<  2)
+                      | (F_TO_I(rgba[i][RCOMP] *    3.0F)      );
             }
          }
          break;
@@ -1969,28 +1969,28 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
          if (dstFormat == GL_RGBA) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][RCOMP] * 1023.0F)      )
-                      | (IROUND(rgba[i][GCOMP] * 1023.0F) << 10)
-                      | (IROUND(rgba[i][BCOMP] * 1023.0F) << 20)
-                      | (IROUND(rgba[i][ACOMP] *    3.0F) << 30);
+               dst[i] = (F_TO_I(rgba[i][RCOMP] * 1023.0F)      )
+                      | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 10)
+                      | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 20)
+                      | (F_TO_I(rgba[i][ACOMP] *    3.0F) << 30);
             }
          }
          else if (dstFormat == GL_BGRA) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][BCOMP] * 1023.0F)      )
-                      | (IROUND(rgba[i][GCOMP] * 1023.0F) << 10)
-                      | (IROUND(rgba[i][RCOMP] * 1023.0F) << 20)
-                      | (IROUND(rgba[i][ACOMP] *    3.0F) << 30);
+               dst[i] = (F_TO_I(rgba[i][BCOMP] * 1023.0F)      )
+                      | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 10)
+                      | (F_TO_I(rgba[i][RCOMP] * 1023.0F) << 20)
+                      | (F_TO_I(rgba[i][ACOMP] *    3.0F) << 30);
             }
          }
          else if (dstFormat == GL_ABGR_EXT) {
             GLuint *dst = (GLuint *) dstAddr;
             for (i=0;i<n;i++) {
-               dst[i] = (IROUND(rgba[i][ACOMP] * 1023.0F)      )
-                      | (IROUND(rgba[i][BCOMP] * 1023.0F) << 10)
-                      | (IROUND(rgba[i][GCOMP] * 1023.0F) << 20)
-                      | (IROUND(rgba[i][RCOMP] *    3.0F) << 30);
+               dst[i] = (F_TO_I(rgba[i][ACOMP] * 1023.0F)      )
+                      | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 10)
+                      | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 20)
+                      | (F_TO_I(rgba[i][RCOMP] *    3.0F) << 30);
             }
          }
          break;
@@ -3005,7 +3005,7 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
 static inline GLuint
 clamp_float_to_uint(GLfloat f)
 {
-   return f < 0.0F ? 0 : IROUND(f);
+   return f < 0.0F ? 0 : F_TO_I(f);
 }
 
 
@@ -3013,7 +3013,7 @@ static inline GLuint
 clamp_half_to_uint(GLhalfARB h)
 {
    GLfloat f = _mesa_half_to_float(h);
-   return f < 0.0F ? 0 : IROUND(f);
+   return f < 0.0F ? 0 : F_TO_I(f);
 }
 
 
-- 
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