On 08/21/2015 02:20 AM, Anuj Phogat wrote:
On Thu, Aug 20, 2015 at 12:52 AM, Tapani Pälli <tapani.pa...@intel.com> wrote:
We have to re-validate FBOs rendering to the texture like is done
with TexImage and CopyTexImage.

Signed-off-by: Tapani Pälli <tapani.pa...@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91673
Cc: "10.6" <mesa-sta...@lists.freedesktop.org>
---
  src/mesa/main/texstorage.c | 15 +++++++++++++++
  1 file changed, 15 insertions(+)

diff --git a/src/mesa/main/texstorage.c b/src/mesa/main/texstorage.c
index db2b63d..51f49b3 100644
--- a/src/mesa/main/texstorage.c
+++ b/src/mesa/main/texstorage.c
@@ -189,6 +189,20 @@ clear_texture_fields(struct gl_context *ctx,
  }


+/**
+ * Update/re-validate framebuffer object.
+ */
+static void
+update_fbo_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
+{
+   const unsigned numFaces = _mesa_num_tex_faces(texObj->Target);
+   for (int level = 0; level < ARRAY_SIZE(texObj->Image[0]); level++) {
+      for (unsigned face = 0; face < numFaces; face++)
+         _mesa_update_fbo_texture(ctx, texObj, face, level);
+   }
+}
+
+
  GLboolean
  _mesa_is_legal_tex_storage_format(struct gl_context *ctx, GLenum 
internalformat)
  {
@@ -446,6 +460,7 @@ _mesa_texture_storage(struct gl_context *ctx, GLuint dims,

        _mesa_set_texture_view_state(ctx, texObj, target, levels);

+      update_fbo_texture(ctx, texObj);
     }
  }

--
2.1.0

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LGTM. It'll be nice to have a piglit test for this bug.
Assuming no piglit regressions with the patch:

Yes, I'll write one based on the test program in the bug.

Reviewed-by: Anuj Phogat <anuj.pho...@gmail.com>

Thanks!

// Tapani
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