[Mesa-stable] [PATCH 05/14] meta: Abort meta pbo path if readpixels need signed-unsigned conversion

[Anuj Phogat]

Without this patch, piglit test fbo_integer_readpixels_sint_uint fails, when
forced to use the meta pbo path.

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
Cc: <mesa-stable at lists.freedesktop.org>
---
 src/mesa/drivers/common/meta_tex_subimage.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mesa/drivers/common/meta_tex_subimage.c b/src/mesa/drivers/common/meta_tex_subimage.c
index 00364f8..84cbc50 100644
--- a/src/mesa/drivers/common/meta_tex_subimage.c
+++ b/src/mesa/drivers/common/meta_tex_subimage.c
@@ -283,6 +283,9 @@ _mesa_meta_pbo_GetTexSubImage(struct gl_context *ctx, GLuint dims,
 
       if (_mesa_need_rgb_to_luminance_conversion(rb->Format, format))
          return false;
+
+      if (_mesa_need_signed_unsigned_int_conversion(rb->Format, format, type))
+         return false;
    }
 
    /* For arrays, use a tall (height * depth) 2D texture but taking into
-- 
1.9.3