diff options
| -rw-r--r-- | src/mesa/main/formats.c | 25 | ||||
| -rw-r--r-- | src/mesa/main/formats.h | 3 |
2 files changed, 28 insertions, 0 deletions
diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c index 9bc05093681..d1d84913912 100644 --- a/src/mesa/main/formats.c +++ b/src/mesa/main/formats.c @@ -638,6 +638,31 @@ _mesa_is_format_compressed(gl_format format) /** + * Return color encoding for given format. + * \return GL_LINEAR or GL_SRGB + */ +GLenum +_mesa_get_format_color_encoding(gl_format format) +{ + /* XXX this info should be encoded in gl_format_info */ + switch (format) { + case MESA_FORMAT_SRGB8: + case MESA_FORMAT_SRGBA8: + case MESA_FORMAT_SARGB8: + case MESA_FORMAT_SL8: + case MESA_FORMAT_SLA8: + case MESA_FORMAT_SRGB_DXT1: + case MESA_FORMAT_SRGBA_DXT1: + case MESA_FORMAT_SRGBA_DXT3: + case MESA_FORMAT_SRGBA_DXT5: + return GL_SRGB; + default: + return GL_LINEAR; + } +} + + +/** * Return number of bytes needed to store an image of the given size * in the given format. */ diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h index 6aebb85f2be..fcedbe9be21 100644 --- a/src/mesa/main/formats.h +++ b/src/mesa/main/formats.h @@ -152,6 +152,9 @@ _mesa_get_format_base_format(gl_format format); extern GLboolean _mesa_is_format_compressed(gl_format format); +extern GLenum +_mesa_get_format_color_encoding(gl_format format); + extern GLuint _mesa_format_image_size(gl_format format, GLsizei width, GLsizei height, GLsizei depth); |