From: Marek Olšák <marek.olsak@amd.com>
Date: Fri, 22 Jan 2016 15:13:44 +0000 (+0100)
Subject: radeonsi: add ETC1 support for Stoney
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cd9c07e7cdff5a38fd0de48626baecb5a9013846;p=mesa.git

radeonsi: add ETC1 support for Stoney

It's a subset of ETC2. Tested.

For more information, see page 42 and onward:
http://www.graphicshardware.org/previous/www_2007/presentations/strom-etc2-gh07.pdf

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index c010998feab..9e0ccfc5dde 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1379,6 +1379,7 @@ static uint32_t si_translate_texformat(struct pipe_screen *screen,
 	if (desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
 	    sscreen->b.family >= CHIP_STONEY) {
 		switch (format) {
+		case PIPE_FORMAT_ETC1_RGB8:
 		case PIPE_FORMAT_ETC2_RGB8:
 		case PIPE_FORMAT_ETC2_SRGB8:
 			return V_008F14_IMG_DATA_FORMAT_ETC2_RGB;