[Mesa-dev] [PATCH] read_rgba_pixels: Don't force clamping if the renderbuffer is already clamped.

[Michel Dänzer]

From: Michel Dänzer <michel.daenzer at amd.com>

Signed-off-by: Michel Dänzer <michel.daenzer at amd.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 8550618..582adc3 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;
    }
 
-- 
1.7.7.2