From e0fe00eeac75d8fdd378a1f7633d2efd1db0a7b0 Mon Sep 17 00:00:00 2001 From: Anuj Phogat Date: Thu, 5 Jun 2014 11:13:16 -0700 Subject: mesa: Add a helper function _mesa_is_enum_format_unsized() Function is utilized by next patch in the series. V2: Add missing formats. Cc: Signed-off-by: Anuj Phogat Reviewed-by: Jason Ekstrand --- src/mesa/main/glformats.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++ src/mesa/main/glformats.h | 3 +++ 2 files changed, 59 insertions(+) (limited to 'src/mesa') diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c index a0c7170dd32..77eee4f22ea 100644 --- a/src/mesa/main/glformats.c +++ b/src/mesa/main/glformats.c @@ -353,6 +353,62 @@ _mesa_bytes_per_vertex_attrib(GLint comps, GLenum type) } } +/** + * Test if the given format is unsized. + */ +GLboolean +_mesa_is_enum_format_unsized(GLenum format) +{ + switch (format) { + case GL_RGBA: + case GL_BGRA: + case GL_ABGR_EXT: + case GL_RGB: + case GL_BGR: + case GL_RG: + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: + case GL_INTENSITY: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + + case GL_SRGB: + case GL_SRGB_ALPHA: + case GL_SLUMINANCE: + case GL_SLUMINANCE_ALPHA: + + case GL_RGBA_SNORM: + case GL_RGB_SNORM: + case GL_RG_SNORM: + case GL_RED_SNORM: + case GL_ALPHA_SNORM: + case GL_INTENSITY_SNORM: + case GL_LUMINANCE_SNORM: + case GL_LUMINANCE_ALPHA_SNORM: + + case GL_RED_INTEGER: + case GL_GREEN_INTEGER: + case GL_BLUE_INTEGER: + case GL_ALPHA_INTEGER: + case GL_RGB_INTEGER: + case GL_RGBA_INTEGER: + case GL_BGR_INTEGER: + case GL_BGRA_INTEGER: + case GL_RG_INTEGER: + case GL_LUMINANCE_INTEGER_EXT: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + + case GL_DEPTH_COMPONENT: + case GL_DEPTH_STENCIL: + case GL_STENCIL_INDEX: + return GL_TRUE; + default: + return GL_FALSE; + } +} + /** * Test if the given format is a SNORM (signed-normalized) format. */ diff --git a/src/mesa/main/glformats.h b/src/mesa/main/glformats.h index 76e9a2493d6..6c553aee821 100644 --- a/src/mesa/main/glformats.h +++ b/src/mesa/main/glformats.h @@ -56,6 +56,9 @@ _mesa_bytes_per_vertex_attrib(GLint comps, GLenum type); extern GLboolean _mesa_is_type_unsigned(GLenum type); +extern GLboolean +_mesa_is_enum_format_unsized(GLenum format); + extern GLboolean _mesa_is_enum_format_snorm(GLenum format); -- cgit v1.2.3