1 /** 2 * \file dlist.h 3 * Display lists management. 4 */ 5 6 /* 7 * Mesa 3-D graphics library 8 * 9 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. 10 * 11 * Permission is hereby granted, free of charge, to any person obtaining a 12 * copy of this software and associated documentation files (the "Software"), 13 * to deal in the Software without restriction, including without limitation 14 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 15 * and/or sell copies of the Software, and to permit persons to whom the 16 * Software is furnished to do so, subject to the following conditions: 17 * 18 * The above copyright notice and this permission notice shall be included 19 * in all copies or substantial portions of the Software. 20 * 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 27 * OTHER DEALINGS IN THE SOFTWARE. 28 */ 29 30 31 32 #ifndef DLIST_H 33 #define DLIST_H 34 35 #include <stdio.h> 36 37 struct gl_context; 38 39 /** 40 * Describes the location and size of a glBitmap image in a texture atlas. 41 */ 42 struct gl_bitmap_glyph 43 { 44 unsigned short x, y, w, h; /**< position and size in the texture */ 45 float xorig, yorig; /**< bitmap origin */ 46 float xmove, ymove; /**< rasterpos move */ 47 }; 48 49 50 /** 51 * Describes a set of glBitmap display lists which live in a texture atlas. 52 * The idea is when we see a code sequence of glListBase(b), glCallLists(n) 53 * we're probably drawing bitmap font glyphs. We try to put all the bitmap 54 * glyphs into one texture map then render the glCallLists as a textured 55 * quadstrip. 56 */ 57 struct gl_bitmap_atlas 58 { 59 GLint Id; 60 bool complete; /**< Is the atlas ready to use? */ 61 bool incomplete; /**< Did we fail to construct this atlas? */ 62 63 unsigned numBitmaps; 64 unsigned texWidth, texHeight; 65 struct gl_texture_object *texObj; 66 struct gl_texture_image *texImage; 67 68 unsigned glyphHeight; 69 70 struct gl_bitmap_glyph *glyphs; 71 }; 72 73 void 74 _mesa_delete_bitmap_atlas(struct gl_context *ctx, 75 struct gl_bitmap_atlas *atlas); 76 77 78 GLboolean GLAPIENTRY 79 _mesa_IsList(GLuint list); 80 81 void GLAPIENTRY 82 _mesa_DeleteLists(GLuint list, GLsizei range); 83 84 GLuint GLAPIENTRY 85 _mesa_GenLists(GLsizei range); 86 87 void GLAPIENTRY 88 _mesa_NewList(GLuint name, GLenum mode); 89 90 void GLAPIENTRY 91 _mesa_EndList(void); 92 93 void GLAPIENTRY 94 _mesa_CallList(GLuint list); 95 96 void GLAPIENTRY 97 _mesa_CallLists(GLsizei n, GLenum type, const GLvoid *lists); 98 99 void GLAPIENTRY 100 _mesa_ListBase(GLuint base); 101 102 struct gl_display_list * 103 _mesa_lookup_list(struct gl_context *ctx, GLuint list, bool locked); 104 105 void 106 _mesa_compile_error(struct gl_context *ctx, GLenum error, const char *s); 107 108 void * 109 _mesa_dlist_alloc_vertex_list(struct gl_context *ctx, 110 bool copy_to_current); 111 112 void 113 _mesa_delete_list(struct gl_context *ctx, struct gl_display_list *dlist); 114 115 void 116 _mesa_initialize_save_table(const struct gl_context *); 117 118 void 119 _mesa_install_dlist_vtxfmt(struct _glapi_table *disp, 120 const GLvertexformat *vfmt); 121 122 void 123 _mesa_init_display_list(struct gl_context * ctx); 124 125 bool 126 _mesa_get_list(struct gl_context *ctx, GLuint list, 127 struct gl_display_list **dlist, 128 bool locked); 129 130 #endif /* DLIST_H */ 131