-extern void
-_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor );
-
-
-
-/*
- * Pixel processing functions
- */
-
-extern void gl_scale_and_bias_color( const GLcontext *ctx, GLuint n,
- GLfloat red[], GLfloat green[],
- GLfloat blue[], GLfloat alpha[] );
-
-
-extern void gl_scale_and_bias_rgba( const GLcontext *ctx, GLuint n,
- GLubyte rgba[][4] );
-
-
-extern void
-_mesa_scale_and_bias_rgba_float( const GLcontext *ctx, GLuint n,
- GLfloat rgba[][4] );
-
-
-extern void gl_map_rgba( const GLcontext *ctx, GLuint n, GLubyte rgba[][4] );
-
-
-extern void
-_mesa_map_rgba_float( const GLcontext *ctx, GLuint n, GLfloat rgba[][4] );
-
-
-extern void
-_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
-
-
-extern void gl_map_color( const GLcontext *ctx, GLuint n,
- GLfloat red[], GLfloat green[],
- GLfloat blue[], GLfloat alpha[] );
-
-
-extern void gl_shift_and_offset_ci( const GLcontext *ctx, GLuint n,
- GLuint indexes[] );
-
-
-extern void gl_map_ci( const GLcontext *ctx, GLuint n, GLuint index[] );
-
-
-extern void gl_map_ci_to_rgba( const GLcontext *ctx,
- GLuint n, const GLuint index[],
- GLubyte rgba[][4] );
-
-
-extern void gl_map_ci_to_rgba_float( const GLcontext *ctx,
- GLuint n, const GLuint index[],
- GLfloat rgba[][4] );
-
-
-extern void gl_map_ci8_to_rgba( const GLcontext *ctx,
- GLuint n, const GLubyte index[],
- GLubyte rgba[][4] );
-
-
-extern void gl_map_ci_to_color( const GLcontext *ctx,
- GLuint n, const GLuint index[],
- GLfloat r[], GLfloat g[],
- GLfloat b[], GLfloat a[] );
-
-
-extern void gl_shift_and_offset_stencil( const GLcontext *ctx, GLuint n,
- GLstencil indexes[] );
-