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mesa: Add utility function _mesa_is_enum_format_unorm()

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V2: Add missing formats.

Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Anuj Phogat
2014-06-06 12:35:55 -07:00
parent 6df48ff27a
commit 938b3d0034
2 changed files with 74 additions and 0 deletions
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src/mesa/main/glformats.c
+71
View File
@@ -409,6 +409,77 @@ _mesa_is_enum_format_unsized(GLenum format)
}
}
/**
* Test if the given format is a UNORM (unsigned-normalized) format.
*/
GLboolean
_mesa_is_enum_format_unorm(GLenum format)
{
switch(format) {
case GL_RED:
case GL_GREEN:
case GL_BLUE:
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
case 1:
case GL_LUMINANCE:
case GL_SLUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
case 2:
case GL_LUMINANCE_ALPHA:
case GL_SLUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
case GL_INTENSITY12:
case GL_INTENSITY16:
case GL_R8:
case GL_R16:
case GL_RG:
case GL_RG8:
case GL_RG16:
case 3:
case GL_RGB:
case GL_BGR:
case GL_SRGB:
case GL_R3_G3_B2:
case GL_RGB4:
case GL_RGB5:
case GL_RGB565:
case GL_RGB8:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
case 4:
case GL_ABGR_EXT:
case GL_RGBA:
case GL_BGRA:
case GL_SRGB_ALPHA:
case GL_RGBA2:
case GL_RGBA4:
case GL_RGB5_A1:
case GL_RGBA8:
case GL_RGB10_A2:
case GL_RGBA12:
case GL_RGBA16:
return GL_TRUE;
default:
return GL_FALSE;
}
}
/**
* Test if the given format is a SNORM (signed-normalized) format.
*/
src/mesa/main/glformats.h
+3
View File
@@ -59,6 +59,9 @@ _mesa_is_type_unsigned(GLenum type);
extern GLboolean
_mesa_is_enum_format_unsized(GLenum format);
extern GLboolean
_mesa_is_enum_format_unorm(GLenum format);
extern GLboolean
_mesa_is_enum_format_snorm(GLenum format);