[Mesa-dev] [PATCH V3 16/30] i965: Don't try to use fast upload path for nontrivial views

[Chris Forbes]

This will eventually be relaxed, but we'll get the fallback path
working first.

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>
---
 src/mesa/drivers/dri/i965/intel_tex_subimage.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/intel_tex_subimage.c b/src/mesa/drivers/dri/i965/intel_tex_subimage.c
index b65a772..7143ab7 100644
--- a/src/mesa/drivers/dri/i965/intel_tex_subimage.c
+++ b/src/mesa/drivers/dri/i965/intel_tex_subimage.c
@@ -588,6 +588,10 @@ intel_texsubimage_tiled_memcpy(struct gl_context * ctx,
    if (!mem_copy)
       return false;
 
+   /* If this is a nontrivial texture view, let another path handle it instead. */
+   if (texImage->TexObject->MinLevel || texImage->TexObject->MinLayer)
+      return false;
+
    if (for_glTexImage)
       ctx->Driver.AllocTextureImageBuffer(ctx, texImage);
 
-- 
1.9.1