Mesa (master): Revert "read_rgba_pixels: Don' t force clamping if the renderbuffer is normalized."

[Michel Dänzer]

Module: Mesa
Branch: master
Commit: 4b1205d53b26dadba13578cf875feeeaa2018f74
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4b1205d53b26dadba13578cf875feeeaa2018f74

Author: Michel Dänzer <michel.daenzer at amd.com>
Date:   Thu Nov 17 15:04:40 2011 +0100

Revert "read_rgba_pixels: Don't force clamping if the renderbuffer is normalized."

This reverts commit b11c16752a18ef8dfb96d9f0ead6ecb62bde6773.

Breaks at least luminance destination formats.

---

 src/mesa/main/readpix.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c
index 9bb58e7..86b8753 100644
--- a/src/mesa/main/readpix.c
+++ b/src/mesa/main/readpix.c
@@ -285,8 +285,7 @@ read_rgba_pixels( struct gl_context *ctx,
       return;
 
    if ((ctx->Color._ClampReadColor == GL_TRUE || type != GL_FLOAT) &&
-       !_mesa_is_integer_format(format) &&
-       _mesa_get_format_datatype(rb->Format) != GL_UNSIGNED_NORMALIZED) {
+       !_mesa_is_integer_format(format)) {
       transferOps |= IMAGE_CLAMP_BIT;
    }