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

[Michel Dänzer]

Module: Mesa
Branch: master
Commit: b11c16752a18ef8dfb96d9f0ead6ecb62bde6773
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b11c16752a18ef8dfb96d9f0ead6ecb62bde6773

Author: Michel Dänzer <michel.daenzer at amd.com>
Date:   Wed Nov 16 17:39:50 2011 +0100

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

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
Reviewed-by: Brian Paul <brianp at vmware.com>

---

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

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