From 0f0c0368faf38d73b0bbbb6e0a147bc94564d3a1 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 4 May 2010 17:04:27 -0600 Subject: gallium/util: added is_format_compressed() --- src/gallium/auxiliary/util/u_format.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'src/gallium/auxiliary') diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h index 8ba076949b..fd95bea1a7 100644 --- a/src/gallium/auxiliary/util/u_format.h +++ b/src/gallium/auxiliary/util/u_format.h @@ -366,6 +366,26 @@ util_format_is_plain(enum pipe_format format) return desc->layout == UTIL_FORMAT_LAYOUT_PLAIN ? TRUE : FALSE; } +static INLINE boolean +util_format_is_compressed(enum pipe_format format) +{ + const struct util_format_description *desc = util_format_description(format); + + assert(desc); + if (!desc) { + return FALSE; + } + + switch (desc->layout) { + case UTIL_FORMAT_LAYOUT_S3TC: + case UTIL_FORMAT_LAYOUT_RGTC: + /* XXX add other formats in the future */ + return TRUE; + default: + return FALSE; + } +} + static INLINE boolean util_format_is_s3tc(enum pipe_format format) { -- cgit v1.2.3