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 | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h index 1a415fbce34..3a465da6e14 100644 --- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h +++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h @@ -199,4 +199,4 @@ struct intel_mipmap_tree * - * For ETC1 textures, this is MESA_FORMAT_RGBX8888_REV if the hardware - * lacks support for ETC1. See @ref wraps_etc1. + * For ETC1/ETC2 textures, this is one of the uncompressed mesa texture + * formats if the hardware lacks support for ETC1/ETC2. See @ref wraps_etc. */ @@ -204,2 +204,5 @@ struct intel_mipmap_tree + /** This variable stores the value of ETC compressed texture format */ + gl_format etc_format; + /** @@ -353,12 +356,14 @@ struct intel_mipmap_tree /** - * \brief The miptree contains RGBX data that was originally ETC1 data. + * \brief The miptree contains uncompressed data that was originally + * ETC1/ETC2 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. + * On hardware that lacks support for ETC1/ETC2 textures, we do the following + * on calls to glCompressedTexImage2D() with an ETC1/ETC2 texture format: + * 1. Create a miptree whose format is a suitable uncompressed mesa format + * with the wraps_etc flag set. + * 2. Translate the ETC1/ETC2 data into uncompressed mesa format. + * 3. Store the uncompressed data into the miptree and discard the ETC1/ETC2 + * data. */ - bool wraps_etc1; + bool wraps_etc; |