diff options
| author | Anuj Phogat <anuj.phogat@gmail.com> | 2014-06-06 14:47:52 -0700 |
|---|---|---|
| committer | Carl Worth <cworth@cworth.org> | 2014-08-06 14:36:31 -0700 |
| commit | b6fe3e7ac26ee1988452e98b2fac041067be5ac9 (patch) | |
| tree | f2149f204707fe2ba23fc751c27ad03906d2fe95 /src | |
| parent | 323f0246efb5b86918ea9d59da7bda0d2679928e (diff) | |
mesa: Add utility function _mesa_is_enum_format_snorm()
Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
(cherry picked from commit 845b5ec89fb5543a3d38a31e1e8bc5f84449ea6c)
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/main/glformats.c | 37 | ||||
| -rw-r--r-- | src/mesa/main/glformats.h | 3 |
2 files changed, 40 insertions, 0 deletions
diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c index 9bb341cc0e9..05a384232e9 100644 --- a/src/mesa/main/glformats.c +++ b/src/mesa/main/glformats.c @@ -355,6 +355,43 @@ _mesa_bytes_per_vertex_attrib(GLint comps, GLenum type) } } +/** + * Test if the given format is a SNORM (signed-normalized) format. + */ +GLboolean +_mesa_is_enum_format_snorm(GLenum format) +{ + switch (format) { + /* signed, normalized texture formats */ + case GL_RED_SNORM: + case GL_R8_SNORM: + case GL_R16_SNORM: + case GL_RG_SNORM: + case GL_RG8_SNORM: + case GL_RG16_SNORM: + case GL_RGB_SNORM: + case GL_RGB8_SNORM: + case GL_RGB16_SNORM: + case GL_RGBA_SNORM: + case GL_RGBA8_SNORM: + case GL_RGBA16_SNORM: + case GL_ALPHA_SNORM: + case GL_ALPHA8_SNORM: + case GL_ALPHA16_SNORM: + case GL_LUMINANCE_SNORM: + case GL_LUMINANCE8_SNORM: + case GL_LUMINANCE16_SNORM: + case GL_LUMINANCE_ALPHA_SNORM: + case GL_LUMINANCE8_ALPHA8_SNORM: + case GL_LUMINANCE16_ALPHA16_SNORM: + case GL_INTENSITY_SNORM: + case GL_INTENSITY8_SNORM: + case GL_INTENSITY16_SNORM: + return GL_TRUE; + default: + return GL_FALSE; + } +} /** * Test if the given format is an integer (non-normalized) format. diff --git a/src/mesa/main/glformats.h b/src/mesa/main/glformats.h index af108993168..c625bfeb867 100644 --- a/src/mesa/main/glformats.h +++ b/src/mesa/main/glformats.h @@ -60,6 +60,9 @@ extern GLboolean _mesa_is_type_unsigned(GLenum type); extern GLboolean +_mesa_is_enum_format_snorm(GLenum format); + +extern GLboolean _mesa_is_enum_format_integer(GLenum format); extern GLboolean |