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| author | Anuj Phogat <anuj.phogat@gmail.com> | 2014-06-06 14:47:52 -0700 |
|---|---|---|
| committer | Anuj Phogat <anuj.phogat@gmail.com> | 2014-08-04 17:11:25 -0700 |
| commit | 845b5ec89fb5543a3d38a31e1e8bc5f84449ea6c (patch) | |
| tree | 5ed87b5247b05c972ea362ddea2de421c001084c /src/mesa | |
| parent | 3c7a0c690a1a0d72ad2b911e4a209447ce3edc1f (diff) | |
| download | external_mesa3d-845b5ec89fb5543a3d38a31e1e8bc5f84449ea6c.zip external_mesa3d-845b5ec89fb5543a3d38a31e1e8bc5f84449ea6c.tar.gz external_mesa3d-845b5ec89fb5543a3d38a31e1e8bc5f84449ea6c.tar.bz2 | |
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>
Diffstat (limited to 'src/mesa')
| -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 304d452..a0c7170 100644 --- a/src/mesa/main/glformats.c +++ b/src/mesa/main/glformats.c @@ -353,6 +353,43 @@ _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 d64114e..76e9a24 100644 --- a/src/mesa/main/glformats.h +++ b/src/mesa/main/glformats.h @@ -57,6 +57,9 @@ 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 |