diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_mipmap_tree.h')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_mipmap_tree.h | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h index f22e685..2b20d06 100644 --- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h +++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h @@ -139,18 +139,13 @@ struct intel_mipmap_tree struct intel_region *region; /** - * This points to an auxillary hiz region if all of the following hold: - * 1. The texture has been attached to an FBO as a depthbuffer. - * 2. The texture format is hiz compatible. - * 3. The intel context supports hiz. + * \brief HiZ miptree * - * When a texture is attached to multiple FBO's, a separate renderbuffer - * wrapper is created for each attachment. This necessitates storing the - * hiz region in the texture itself instead of the renderbuffer wrapper. + * This is non-null only if HiZ is enabled for this miptree. * - * \see intel_fbo.c:intel_wrap_texture() + * \see intel_miptree_alloc_hiz() */ - struct intel_region *hiz_region; + struct intel_mipmap_tree *hiz_mt; /** * \brief Stencil miptree for depthstencil textures. @@ -276,6 +271,15 @@ intel_miptree_s8z24_gather(struct intel_context *intel, uint32_t level, uint32_t layer); +/** + * \brief Allocate the miptree's embedded HiZ miptree. + * \see intel_mipmap_tree:hiz_mt + * \return false if allocation failed + */ +bool +intel_miptree_alloc_hiz(struct intel_context *intel, + struct intel_mipmap_tree *mt); + /* i915_mipmap_tree.c: */ void i915_miptree_layout(struct intel_mipmap_tree *mt); |