st_format.h

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 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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#ifndef ST_FORMAT_H
#define ST_FORMAT_H


struct pipe_format_info
{
   enum pipe_format format;
   GLenum base_format;
   GLenum datatype;
   GLubyte red_bits;
   GLubyte green_bits;
   GLubyte blue_bits;
   GLubyte alpha_bits;
   GLubyte luminance_bits;
   GLubyte intensity_bits;
   GLubyte depth_bits;
   GLubyte stencil_bits;
   GLubyte size;           
};


GLboolean
st_get_format_info(enum pipe_format format, struct pipe_format_info *pinfo);


extern GLuint
st_sizeof_format(enum pipe_format format);


extern GLenum
st_format_datatype(enum pipe_format format);


extern enum pipe_format
st_mesa_format_to_pipe_format(GLuint mesaFormat);


extern enum pipe_format
st_choose_format(struct pipe_context *pipe, GLint internalFormat,
                 enum pipe_texture_target target, unsigned tex_usage);

extern enum pipe_format
st_choose_renderbuffer_format(struct pipe_context *pipe, GLint internalFormat);


extern const struct gl_texture_format *
st_ChooseTextureFormat(GLcontext * ctx, GLint internalFormat,
                       GLenum format, GLenum type);


#endif /* ST_CB_TEXIMAGE_H */

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