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 #include "main/mtypes.h" 37 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 bool complete; /**< Is the atlas ready to use? */ 60 bool incomplete; /**< Did we fail to construct this atlas? */ 61 62 unsigned numBitmaps; 63 unsigned texWidth, texHeight; 64 struct gl_texture_object *texObj; 65 struct gl_texture_image *texImage; 66 67 unsigned glyphHeight; 68 69 struct gl_bitmap_glyph *glyphs; 70 }; 71 72 void 73 _mesa_delete_bitmap_atlas(struct gl_context *ctx, 74 struct gl_bitmap_atlas *atlas); 75 76 77 GLboolean GLAPIENTRY 78 _mesa_IsList(GLuint list); 79 80 void GLAPIENTRY 81 _mesa_DeleteLists(GLuint list, GLsizei range); 82 83 GLuint GLAPIENTRY 84 _mesa_GenLists(GLsizei range); 85 86 void GLAPIENTRY 87 _mesa_NewList(GLuint name, GLenum mode); 88 89 void GLAPIENTRY 90 _mesa_EndList(void); 91 92 void GLAPIENTRY 93 _mesa_CallList(GLuint list); 94 95 void GLAPIENTRY 96 _mesa_CallLists(GLsizei n, GLenum type, const GLvoid *lists); 97 98 void GLAPIENTRY 99 _mesa_ListBase(GLuint base); 100 101 struct gl_display_list * 102 _mesa_lookup_list(struct gl_context *ctx, GLuint list); 103 104 void 105 _mesa_compile_error(struct gl_context *ctx, GLenum error, const char *s); 106 107 void * 108 _mesa_dlist_alloc(struct gl_context *ctx, GLuint opcode, GLuint sz); 109 110 void * 111 _mesa_dlist_alloc_aligned(struct gl_context *ctx, GLuint opcode, GLuint bytes); 112 113 GLint 114 _mesa_dlist_alloc_opcode(struct gl_context *ctx, GLuint sz, 115 void (*execute)(struct gl_context *, void *), 116 void (*destroy)(struct gl_context *, void *), 117 void (*print)(struct gl_context *, void *, FILE *)); 118 119 void 120 _mesa_delete_list(struct gl_context *ctx, struct gl_display_list *dlist); 121 122 void 123 _mesa_initialize_save_table(const struct gl_context *); 124 125 void 126 _mesa_install_dlist_vtxfmt(struct _glapi_table *disp, 127 const GLvertexformat *vfmt); 128 129 void 130 _mesa_init_display_list(struct gl_context * ctx); 131 132 void 133 _mesa_free_display_list_data(struct gl_context *ctx); 134 135 136 #endif /* DLIST_H */ 137