Module: Mesa
Branch: master
Commit: 68388043f3280bbac9383721e37f8ca7685b7f01
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=68388043f3280bbac9383721e37f8ca7685b7f01

Author: Brian Paul <[email protected]>
Date:   Mon Jun 27 11:16:03 2016 -0600

svga: adjust sampler view format for RGBX

We previously handled the case of a RGBX sampler view of a RGBA surface.
Add the reverse case too.  For GL_ARB_copy_image.

Acked-by: Roland Scheidegger <[email protected]>
Reviewed-by: Charmaine Lee <[email protected]>

---

 src/gallium/drivers/svga/svga_state_sampler.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/svga/svga_state_sampler.c 
b/src/gallium/drivers/svga/svga_state_sampler.c
index 6e78825..00e8fc0 100644
--- a/src/gallium/drivers/svga/svga_state_sampler.c
+++ b/src/gallium/drivers/svga/svga_state_sampler.c
@@ -106,12 +106,16 @@ svga_validate_pipe_sampler_view(struct svga_context *svga,
       enum pipe_format pformat = sv->base.format;
 
       /* vgpu10 cannot create a BGRX view for a BGRA resource, so force it to
-       * create a BGRA view.
+       * create a BGRA view (and vice versa).
        */
       if (pformat == PIPE_FORMAT_B8G8R8X8_UNORM &&
           sv->base.texture->format == PIPE_FORMAT_B8G8R8A8_UNORM) {
          pformat = PIPE_FORMAT_B8G8R8A8_UNORM;
       }
+      else if (pformat == PIPE_FORMAT_B8G8R8A8_UNORM &&
+          sv->base.texture->format == PIPE_FORMAT_B8G8R8X8_UNORM) {
+         pformat = PIPE_FORMAT_B8G8R8X8_UNORM;
+      }
 
       format = svga_translate_format(ss, pformat,
                                      PIPE_BIND_SAMPLER_VIEW);

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