diff options
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_mipmap_tree.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h index 2fb5775c02f..cfd671ea003 100644 --- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h +++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h @@ -288,6 +288,18 @@ struct intel_mipmap_tree */ struct intel_mipmap_tree *mcs_mt; + /** + * \brief The miptree contains RGBX data that was originally ETC1 data. + * + * On hardware that lacks support for ETC1 textures, we do the + * following on calls to glCompressedTexImage2D(GL_ETC1_RGB8_OES): + * 1. Create a miptree whose format is MESA_FORMAT_RGBX8888_REV with + * the wraps_etc1 flag set. + * 2. Translate the ETC1 data into RGBX. + * 3. Store the RGBX data into the miptree and discard the ETC1 data. + */ + bool wraps_etc1; + /* These are also refcounted: */ GLuint refcount; |