intel: Make renderbuffer tiling choice match texture tiling choice.

There really shouldn't be any difference between the two for us.
Fixes a bug where Z16 renderbuffers would be untiled on gen6, likely
leading to hangs.

diff --git a/src/mesa/drivers/dri/intel/intel_fbo.c b/src/mesa/drivers/dri/intel/intel_fbo.c
index f317cdc7b30cd305996016d6e7975720b9a1029f..efc726e32fa3cc4d5e99f622ad0de2db1e50ad2d 100644 (file)
--- a/src/mesa/drivers/dri/intel/intel_fbo.c
+++ b/src/mesa/drivers/dri/intel/intel_fbo.c
@@ -145,10 +145,15 @@ intel_alloc_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer
    DBG("Allocating %d x %d Intel RBO\n", width, height);
 
    tiling = I915_TILING_NONE;
-
-   /* Gen6 requires depth must be tiling */
-   if (intel->gen >= 6 && rb->Format == MESA_FORMAT_S8_Z24)
-       tiling = I915_TILING_Y;
+   if (intel->use_texture_tiling) {
+      GLenum base_format = _mesa_get_format_base_format(rb->Format);
+
+      if (intel->gen >= 4 && (base_format == GL_DEPTH_COMPONENT ||
+                             base_format == GL_DEPTH_STENCIL))
+        tiling = I915_TILING_Y;
+      else
+        tiling = I915_TILING_X;
+   }
 
    irb->region = intel_region_alloc(intel->intelScreen, tiling, cpp,
                                    width, height, GL_TRUE);