From 247b253d326819e9c62801d741b3740a27aeaf8a Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Tue, 10 Aug 2010 16:32:29 +0100 Subject: util: Add util_format_srgb(). To convert RGB -> SRGB format. --- src/gallium/auxiliary/util/u_format.h | 38 +++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h index 38254b1096..8e786a390a 100644 --- a/src/gallium/auxiliary/util/u_format.h +++ b/src/gallium/auxiliary/util/u_format.h @@ -630,6 +630,44 @@ util_format_has_alpha(enum pipe_format format) } } +/** + * Return the matching SRGB format, or PIPE_FORMAT_NONE if none. + */ +static INLINE enum pipe_format +util_format_srgb(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_L8_UNORM: + return PIPE_FORMAT_L8_SRGB; + case PIPE_FORMAT_L8A8_UNORM: + return PIPE_FORMAT_L8A8_SRGB; + case PIPE_FORMAT_R8G8B8_UNORM: + return PIPE_FORMAT_R8G8B8_SRGB; + case PIPE_FORMAT_A8B8G8R8_UNORM: + return PIPE_FORMAT_A8B8G8R8_SRGB; + case PIPE_FORMAT_X8B8G8R8_UNORM: + return PIPE_FORMAT_X8B8G8R8_SRGB; + case PIPE_FORMAT_B8G8R8A8_UNORM: + return PIPE_FORMAT_B8G8R8A8_SRGB; + case PIPE_FORMAT_B8G8R8X8_UNORM: + return PIPE_FORMAT_B8G8R8X8_SRGB; + case PIPE_FORMAT_A8R8G8B8_UNORM: + return PIPE_FORMAT_A8R8G8B8_SRGB; + case PIPE_FORMAT_X8R8G8B8_UNORM: + return PIPE_FORMAT_X8R8G8B8_SRGB; + case PIPE_FORMAT_DXT1_RGB: + return PIPE_FORMAT_DXT1_SRGB; + case PIPE_FORMAT_DXT1_RGBA: + return PIPE_FORMAT_DXT1_SRGBA; + case PIPE_FORMAT_DXT3_RGBA: + return PIPE_FORMAT_DXT3_SRGBA; + case PIPE_FORMAT_DXT5_RGBA: + return PIPE_FORMAT_DXT5_SRGBA; + default: + return PIPE_FORMAT_NONE; + } +} + /** * Return the number of components stored. * Formats with block size != 1x1 will always have 1 component (the block). -- cgit v1.2.3