summaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary
diff options
context:
space:
mode:
authorJosé Fonseca <jfonseca@vmware.com>2010-08-10 16:32:29 +0100
committerJosé Fonseca <jfonseca@vmware.com>2010-08-10 16:37:19 +0100
commit247b253d326819e9c62801d741b3740a27aeaf8a (patch)
treeca88de4c71b68e3085900f4e9f1771d8a07814da /src/gallium/auxiliary
parentf263fdee8146719b14d9f9b14cf0c224461f35dc (diff)
util: Add util_format_srgb().
To convert RGB -> SRGB format.
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r--src/gallium/auxiliary/util/u_format.h38
1 files changed, 38 insertions, 0 deletions
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
@@ -631,6 +631,44 @@ 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).
*/