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      1 /*
      2  * Mesa 3-D graphics library
      3  * Version:  7.1
      4  *
      5  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the "Software"),
      9  * to deal in the Software without restriction, including without limitation
     10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     11  * and/or sell copies of the Software, and to permit persons to whom the
     12  * Software is furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice shall be included
     15  * in all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 
     25 
     26 /**
     27  * \file pixel.h
     28  * Pixel operations.
     29  */
     30 
     31 
     32 #ifndef PIXEL_H
     33 #define PIXEL_H
     34 
     35 
     36 #include "compiler.h"
     37 #include "glheader.h"
     38 #include "mfeatures.h"
     39 
     40 struct _glapi_table;
     41 struct gl_context;
     42 
     43 
     44 #if FEATURE_pixel_transfer
     45 
     46 extern void GLAPIENTRY
     47 _mesa_PixelTransferf(GLenum pname, GLfloat param);
     48 
     49 extern void
     50 _mesa_update_pixel( struct gl_context *ctx, GLuint newstate );
     51 
     52 extern void
     53 _mesa_init_pixel_dispatch( struct _glapi_table * disp );
     54 
     55 #else /* FEATURE_pixel_transfer */
     56 
     57 static inline void GLAPIENTRY
     58 _mesa_PixelTransferf(GLenum pname, GLfloat param)
     59 {
     60 }
     61 
     62 
     63 static inline void
     64 _mesa_update_pixel(struct gl_context *ctx, GLuint newstate)
     65 {
     66 }
     67 
     68 static inline void
     69 _mesa_init_pixel_dispatch(struct _glapi_table *disp)
     70 {
     71 }
     72 
     73 #endif /* FEATURE_pixel_transfer */
     74 
     75 
     76 extern void
     77 _mesa_init_pixel( struct gl_context * ctx );
     78 
     79 /*@}*/
     80 
     81 #endif /* PIXEL_H */
     82