[Mesa-stable] [PATCH V2] mesa: Add utility function _mesa_is_enum_format_unorm()

[Jason Ekstrand]

Reviewed-by: Jason Ekstrand <jason.ekstrand at intel.com>


On Thu, Jul 31, 2014 at 1:49 PM, Anuj Phogat <anuj.phogat at gmail.com> wrote:

> V2: Add missing formats.
>
> Cc: <mesa-stable at lists.freedesktop.org>
> Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
> ---
>  src/mesa/main/glformats.c | 71
> +++++++++++++++++++++++++++++++++++++++++++++++
>  src/mesa/main/glformats.h |  3 ++
>  2 files changed, 74 insertions(+)
>
> diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c
> index 77eee4f..0fb25ba 100644
> --- a/src/mesa/main/glformats.c
> +++ b/src/mesa/main/glformats.c
> @@ -410,6 +410,77 @@ _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.
>   */
>  GLboolean
> diff --git a/src/mesa/main/glformats.h b/src/mesa/main/glformats.h
> index 6c553ae..7b03215 100644
> --- a/src/mesa/main/glformats.h
> +++ b/src/mesa/main/glformats.h
> @@ -60,6 +60,9 @@ 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);
>
>  extern GLboolean
> --
> 1.9.3
>
>
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