src/mesa/main/pack.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   5  * Copyright (C) 1999-2010  VMware, Inc.  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  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26
  27 #ifndef PACK_H
  28 #define PACK_H
  29
  30
  31 #include "glheader.h"
  32
  33 struct gl_context;
  34 struct gl_pixelstore_attrib;
  35
  36 extern void
  37 _mesa_unpack_polygon_stipple(const GLubyte *pattern, GLuint dest[32],
  38                              const struct gl_pixelstore_attrib *unpacking);
  39
  40
  41 extern void
  42 _mesa_pack_polygon_stipple(const GLuint pattern[32], GLubyte *dest,
  43                            const struct gl_pixelstore_attrib *packing);
  44
  45
  46 extern void
  47 _mesa_pack_bitmap(GLint width, GLint height, const GLubyte *source,
  48                   GLubyte *dest, const struct gl_pixelstore_attrib *packing);
  49
  50
  51 extern void
  52 _mesa_unpack_stencil_span(struct gl_context *ctx, GLuint n,
  53                           GLenum dstType, GLvoid *dest,
  54                           GLenum srcType, const GLvoid *source,
  55                           const struct gl_pixelstore_attrib *srcPacking,
  56                           GLbitfield transferOps);
  57
  58 extern void
  59 _mesa_pack_stencil_span(struct gl_context *ctx, GLuint n,
  60                         GLenum dstType, GLvoid *dest, const GLubyte *source,
  61                         const struct gl_pixelstore_attrib *dstPacking);
  62
  63
  64 extern void
  65 _mesa_unpack_depth_span(struct gl_context *ctx, GLuint n,
  66                         GLenum dstType, GLvoid *dest, GLuint depthMax,
  67                         GLenum srcType, const GLvoid *source,
  68                         const struct gl_pixelstore_attrib *srcPacking);
  69
  70 extern void
  71 _mesa_pack_depth_span(struct gl_context *ctx, GLuint n, GLvoid *dest,
  72                       GLenum dstType, const GLfloat *depthSpan,
  73                       const struct gl_pixelstore_attrib *dstPacking);
  74
  75
  76 extern void
  77 _mesa_pack_depth_stencil_span(struct gl_context *ctx,GLuint n,
  78                               GLenum dstType, GLuint *dest,
  79                               const GLfloat *depthVals,
  80                               const GLubyte *stencilVals,
  81                               const struct gl_pixelstore_attrib *dstPacking);
  82
  83
  84 extern void *
  85 _mesa_unpack_image(GLuint dimensions,
  86                    GLsizei width, GLsizei height, GLsizei depth,
  87                    GLenum format, GLenum type, const GLvoid *pixels,
  88                    const struct gl_pixelstore_attrib *unpack);
  89
  90 extern void
  91 _mesa_pack_luminance_from_rgba_float(GLuint n, GLfloat rgba[][4],
  92                                      GLvoid *dstAddr, GLenum dst_format,
  93                                      GLbitfield transferOps);
  94
  95 extern void
  96 _mesa_pack_luminance_from_rgba_integer(GLuint n, GLuint rgba[][4], bool rgba_is_signed,
  97                                        GLvoid *dstAddr, GLenum dst_format,
  98                                        GLenum dst_type);
  99
 100 extern GLfloat *
 101 _mesa_unpack_color_index_to_rgba_float(struct gl_context *ctx, GLuint dims,
 102                                        const void *src, GLenum srcFormat, GLenum srcType,
 103                                        int srcWidth, int srcHeight, int srcDepth,
 104                                        const struct gl_pixelstore_attrib *srcPacking,
 105                                        GLbitfield transferOps);
 106
 107 extern GLubyte *
 108 _mesa_unpack_color_index_to_rgba_ubyte(struct gl_context *ctx, GLuint dims,
 109                                        const void *src, GLenum srcFormat, GLenum srcType,
 110                                        int srcWidth, int srcHeight, int srcDepth,
 111                                        const struct gl_pixelstore_attrib *srcPacking,
 112                                        GLbitfield transferOps);
 113
 114 #endif