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      1 /*
      2  * Mesa 3-D graphics library
      3  * Version:  6.5.1
      4  *
      5  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
      6  * Copyright (c) 2008 VMware, Inc.
      7  *
      8  * Permission is hereby granted, free of charge, to any person obtaining a
      9  * copy of this software and associated documentation files (the "Software"),
     10  * to deal in the Software without restriction, including without limitation
     11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     12  * and/or sell copies of the Software, and to permit persons to whom the
     13  * Software is furnished to do so, subject to the following conditions:
     14  *
     15  * The above copyright notice and this permission notice shall be included
     16  * in all copies or substantial portions of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     24  */
     25 
     26 
     27 /**
     28  * \file texstore.h
     29  * Texture image storage routines.
     30  *
     31  * \author Brian Paul
     32  */
     33 
     34 
     35 #ifndef TEXSTORE_H
     36 #define TEXSTORE_H
     37 
     38 
     39 #include "mtypes.h"
     40 #include "formats.h"
     41 
     42 
     43 /**
     44  * This macro defines the (many) parameters to the texstore functions.
     45  * \param dims  either 1 or 2 or 3
     46  * \param baseInternalFormat  user-specified base internal format
     47  * \param dstFormat  destination Mesa texture format
     48  * \param dstX/Y/Zoffset  destination x/y/z offset (ala TexSubImage), in texels
     49  * \param dstRowStride  destination image row stride, in bytes
     50  * \param dstSlices  array of addresses of image slices (for 3D, array texture)
     51  * \param srcWidth/Height/Depth  source image size, in pixels
     52  * \param srcFormat  incoming image format
     53  * \param srcType  incoming image data type
     54  * \param srcAddr  source image address
     55  * \param srcPacking  source image packing parameters
     56  */
     57 #define TEXSTORE_PARAMS \
     58 	struct gl_context *ctx, GLuint dims, \
     59 	GLenum baseInternalFormat, \
     60 	gl_format dstFormat, \
     61         GLint dstRowStride, \
     62         GLubyte **dstSlices, \
     63 	GLint srcWidth, GLint srcHeight, GLint srcDepth, \
     64 	GLenum srcFormat, GLenum srcType, \
     65 	const GLvoid *srcAddr, \
     66 	const struct gl_pixelstore_attrib *srcPacking
     67 
     68 
     69 extern GLboolean
     70 _mesa_texstore(TEXSTORE_PARAMS);
     71 
     72 
     73 extern GLubyte *
     74 _mesa_make_temp_ubyte_image(struct gl_context *ctx, GLuint dims,
     75                            GLenum logicalBaseFormat,
     76                            GLenum textureBaseFormat,
     77                            GLint srcWidth, GLint srcHeight, GLint srcDepth,
     78                            GLenum srcFormat, GLenum srcType,
     79                            const GLvoid *srcAddr,
     80                            const struct gl_pixelstore_attrib *srcPacking);
     81 
     82 GLfloat *
     83 _mesa_make_temp_float_image(struct gl_context *ctx, GLuint dims,
     84 			    GLenum logicalBaseFormat,
     85 			    GLenum textureBaseFormat,
     86 			    GLint srcWidth, GLint srcHeight, GLint srcDepth,
     87 			    GLenum srcFormat, GLenum srcType,
     88 			    const GLvoid *srcAddr,
     89 			    const struct gl_pixelstore_attrib *srcPacking,
     90 			    GLbitfield transferOps);
     91 
     92 extern void
     93 _mesa_store_teximage(struct gl_context *ctx,
     94                      GLuint dims,
     95                      struct gl_texture_image *texImage,
     96                      GLenum format, GLenum type, const GLvoid *pixels,
     97                      const struct gl_pixelstore_attrib *packing);
     98 
     99 
    100 extern void
    101 _mesa_store_texsubimage(struct gl_context *ctx, GLuint dims,
    102                         struct gl_texture_image *texImage,
    103                         GLint xoffset, GLint yoffset, GLint zoffset,
    104                         GLint width, GLint height, GLint depth,
    105                         GLenum format, GLenum type, const GLvoid *pixels,
    106                         const struct gl_pixelstore_attrib *packing);
    107 
    108 
    109 extern void
    110 _mesa_store_compressed_teximage(struct gl_context *ctx, GLuint dims,
    111                                 struct gl_texture_image *texImage,
    112                                 GLsizei imageSize, const GLvoid *data);
    113 
    114 
    115 extern void
    116 _mesa_store_compressed_texsubimage(struct gl_context *ctx, GLuint dims,
    117                                    struct gl_texture_image *texImage,
    118                                    GLint xoffset, GLint yoffset, GLint zoffset,
    119                                    GLsizei width, GLsizei height, GLsizei depth,
    120                                    GLenum format,
    121                                    GLsizei imageSize, const GLvoid *data);
    122 
    123 
    124 #endif
    125