diff options
| author | Brian Paul <brianp@vmware.com> | 2010-10-23 09:27:12 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2010-10-23 10:19:29 -0600 |
| commit | f5ed39e7e6dd31ea60477475d97d8a5ce6946ccc (patch) | |
| tree | 7743e86f3ba715723d8428db10cafd2550872eec /src/mesa/main | |
| parent | a0bc8eeb3224eec1e713fb9885f5d02c21b30c14 (diff) | |
mesa: _mesa_is_format_integer() function
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/formats.c | 12 | ||||
| -rw-r--r-- | src/mesa/main/formats.h | 3 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c index 654ea038a5..3e78693477 100644 --- a/src/mesa/main/formats.c +++ b/src/mesa/main/formats.c @@ -945,6 +945,7 @@ _mesa_get_format_bits(gl_format format, GLenum pname) * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1] * GL_SIGNED_NORMALIZED = signed int representing [-1, 1] * GL_UNSIGNED_INT = an ordinary unsigned integer + * GL_INT = an ordinary signed integer * GL_FLOAT = an ordinary float */ GLenum @@ -1007,6 +1008,17 @@ _mesa_is_format_packed_depth_stencil(gl_format format) /** + * Is the given format a signed/unsigned integer format? + */ +GLboolean +_mesa_is_format_integer(gl_format format) +{ + const struct gl_format_info *info = _mesa_get_format_info(format); + return info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT; +} + + +/** * Return color encoding for given format. * \return GL_LINEAR or GL_SRGB */ diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h index 7674d8eaa4..73d85f2245 100644 --- a/src/mesa/main/formats.h +++ b/src/mesa/main/formats.h @@ -199,6 +199,9 @@ _mesa_is_format_compressed(gl_format format); extern GLboolean _mesa_is_format_packed_depth_stencil(gl_format format); +extern GLboolean +_mesa_is_format_integer(gl_format format); + extern GLenum _mesa_get_format_color_encoding(gl_format format); |