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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>
This commit is contained in:
Marek Olšák 2016-01-22 16:13:44 +01:00
parent b3bac55621
commit cd9c07e7cd
1 changed files with 1 additions and 0 deletions
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1
src/gallium/drivers/radeonsi/si_state.c
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@ -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;