diff options
Diffstat (limited to 'mesalib/src/mesa/main/formats.c')
| -rw-r--r-- | mesalib/src/mesa/main/formats.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c index 46ac15ed7..b24b66c92 100644 --- a/mesalib/src/mesa/main/formats.c +++ b/mesalib/src/mesa/main/formats.c @@ -1092,6 +1092,48 @@ _mesa_get_format_color_encoding(gl_format format) /**
+ * For an sRGB format, return the corresponding linear color space format.
+ * For non-sRGB formats, return the format as-is.
+ */
+gl_format
+_mesa_get_srgb_format_linear(gl_format format)
+{
+ switch (format) {
+ case MESA_FORMAT_SRGB8:
+ format = MESA_FORMAT_RGB888;
+ break;
+ case MESA_FORMAT_SRGBA8:
+ format = MESA_FORMAT_RGBA8888;
+ break;
+ case MESA_FORMAT_SARGB8:
+ format = MESA_FORMAT_ARGB8888;
+ break;
+ case MESA_FORMAT_SL8:
+ format = MESA_FORMAT_L8;
+ break;
+ case MESA_FORMAT_SLA8:
+ format = MESA_FORMAT_AL88;
+ break;
+ case MESA_FORMAT_SRGB_DXT1:
+ format = MESA_FORMAT_RGB_DXT1;
+ break;
+ case MESA_FORMAT_SRGBA_DXT1:
+ format = MESA_FORMAT_RGBA_DXT1;
+ break;
+ case MESA_FORMAT_SRGBA_DXT3:
+ format = MESA_FORMAT_RGBA_DXT3;
+ break;
+ case MESA_FORMAT_SRGBA_DXT5:
+ format = MESA_FORMAT_RGBA_DXT5;
+ break;
+ default:
+ break;
+ }
+ return format;
+}
+
+
+/**
* Return number of bytes needed to store an image of the given size
* in the given format.
*/
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