src/mesa/main/texstorage.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2011  VMware, Inc.  All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #ifndef TEXSTORAGE_H
  27 #define TEXSTORAGE_H
  28
  29 /**
  30  * \name Internal functions
  31  */
  32 /*@{*/
  33
  34 extern void
  35 _mesa_texture_storage(struct gl_context *ctx, GLuint dims,
  36                       struct gl_texture_object *texObj,
  37                       GLenum target, GLsizei levels,
  38                       GLenum internalformat, GLsizei width,
  39                       GLsizei height, GLsizei depth, bool dsa);
  40
  41 /**
  42  * Texture width, height and depth check shared with the
  43  * multisample variants of TexStorage functions.
  44  *
  45  * From OpenGL 4.5 Core spec, page 260 (section 8.19)
  46  *
  47  *     "An INVALID_VALUE error is generated if width, height, depth
  48  *     or levels are less than 1, for commands with the corresponding
  49  *     parameters."
  50  *
  51  * (referring to TextureStorage* commands, these also match values
  52  * specified for OpenGL ES 3.1.)
  53  */
  54 static inline bool
  55 _mesa_valid_tex_storage_dim(GLsizei width, GLsizei height, GLsizei depth)
  56 {
  57    if (width < 1 || height < 1 || depth < 1)
  58       return false;
  59    return true;
  60 }
  61
  62 /*@}*/
  63
  64 /**
  65  * \name API functions
  66  */
  67 /*@{*/
  68
  69 extern void GLAPIENTRY
  70 _mesa_TexStorage1D(GLenum target, GLsizei levels, GLenum internalformat,
  71                    GLsizei width);
  72
  73
  74 extern void GLAPIENTRY
  75 _mesa_TexStorage2D(GLenum target, GLsizei levels, GLenum internalformat,
  76                    GLsizei width, GLsizei height);
  77
  78
  79 extern void GLAPIENTRY
  80 _mesa_TexStorage3D(GLenum target, GLsizei levels, GLenum internalformat,
  81                    GLsizei width, GLsizei height, GLsizei depth);
  82
  83 extern void GLAPIENTRY
  84 _mesa_TextureStorage1D(GLuint texture, GLsizei levels, GLenum internalformat,
  85                        GLsizei width);
  86
  87
  88 extern void GLAPIENTRY
  89 _mesa_TextureStorage2D(GLuint texture, GLsizei levels, GLenum internalformat,
  90                        GLsizei width, GLsizei height);
  91
  92
  93 extern void GLAPIENTRY
  94 _mesa_TextureStorage3D(GLuint texture, GLsizei levels, GLenum internalformat,
  95                        GLsizei width, GLsizei height, GLsizei depth);
  96
  97
  98 extern void GLAPIENTRY
  99 _mesa_TextureStorage1DEXT(GLuint texture, GLenum target, GLsizei levels,
 100                           GLenum internalformat,
 101                           GLsizei width);
 102
 103 extern void GLAPIENTRY
 104 _mesa_TextureStorage2DEXT(GLuint texture, GLenum target, GLsizei levels,
 105                           GLenum internalformat,
 106                           GLsizei width, GLsizei height);
 107
 108 extern void GLAPIENTRY
 109 _mesa_TextureStorage3DEXT(GLuint texture, GLenum target, GLsizei levels,
 110                           GLenum internalformat,
 111                           GLsizei width, GLsizei height, GLsizei depth);
 112
 113 extern GLboolean
 114 _mesa_is_legal_tex_storage_format(struct gl_context *ctx, GLenum internalformat);
 115
 116 extern GLboolean
 117 _mesa_AllocTextureStorage_sw(struct gl_context *ctx,
 118                              struct gl_texture_object *texObj,
 119                              GLsizei levels, GLsizei width,
 120                              GLsizei height, GLsizei depth);
 121
 122 #endif /* TEXSTORAGE_H */