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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