[Mesa-stable] [PATCH 02/14] meta: Fix transfer operations check in meta pbo path for readpixels

[Anuj Phogat]

Without this patch, arb_color_buffer_float-readpixels test fails, when
forced to use 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 | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/mesa/drivers/common/meta_tex_subimage.c b/src/mesa/drivers/common/meta_tex_subimage.c
index d2474f5..00364f8 100644
--- a/src/mesa/drivers/common/meta_tex_subimage.c
+++ b/src/mesa/drivers/common/meta_tex_subimage.c
@@ -273,12 +273,14 @@ _mesa_meta_pbo_GetTexSubImage(struct gl_context *ctx, GLuint dims,
        format == GL_COLOR_INDEX)
       return false;
 
-   if (ctx->_ImageTransferState)
-      return false;
-
-
+   /* Don't use meta path for readpixels in below conditions. */
    if (!tex_image) {
       rb = ctx->ReadBuffer->_ColorReadBuffer;
+
+      if (_mesa_get_readpixels_transfer_ops(ctx, rb->Format, format,
+                                            type, GL_FALSE))
+         return false;
+
       if (_mesa_need_rgb_to_luminance_conversion(rb->Format, format))
          return false;
    }
-- 
1.9.3