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/** 35 * Texture width, height and depth check shared with the 36 * multisample variants of TexStorage functions. 37 * 38 * From OpenGL 4.5 Core spec, page 260 (section 8.19) 39 * 40 * "An INVALID_VALUE error is generated if width, height, depth 41 * or levels are less than 1, for commands with the corresponding 42 * parameters." 43 * 44 * (referring to TextureStorage* commands, these also match values 45 * specified for OpenGL ES 3.1.) 46 */ 47static inline bool 48_mesa_valid_tex_storage_dim(GLsizei width, GLsizei height, GLsizei depth) 49{ 50 if (width < 1 || height < 1 || depth < 1) 51 return false; 52 return true; 53} 54 55/*@}*/ 56 57extern GLboolean 58_mesa_is_legal_tex_storage_format(const struct gl_context *ctx, 59 GLenum internalformat); 60 61extern bool 62_mesa_is_legal_tex_storage_target(const struct gl_context *ctx, 63 GLuint dims, GLenum target); 64 65extern void 66_mesa_texture_storage_memory(struct gl_context *ctx, GLuint dims, 67 struct gl_texture_object *texObj, 68 struct gl_memory_object *memObj, 69 GLenum target, GLsizei levels, 70 GLenum internalformat, GLsizei width, 71 GLsizei height, GLsizei depth, 72 GLuint64 offset, bool dsa); 73 74#endif /* TEXSTORAGE_H */ 75