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/**
* \file dlist.h
* Display lists management.
*/
/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef DLIST_H
#define DLIST_H
#include <stdio.h>
struct gl_context;
/**
* Describes the location and size of a glBitmap image in a texture atlas.
*/
struct gl_bitmap_glyph
{
unsigned short x, y, w, h; /**< position and size in the texture */
float xorig, yorig; /**< bitmap origin */
float xmove, ymove; /**< rasterpos move */
};
/**
* Describes a set of glBitmap display lists which live in a texture atlas.
* The idea is when we see a code sequence of glListBase(b), glCallLists(n)
* we're probably drawing bitmap font glyphs. We try to put all the bitmap
* glyphs into one texture map then render the glCallLists as a textured
* quadstrip.
*/
struct gl_bitmap_atlas
{
bool complete; /**< Is the atlas ready to use? */
bool incomplete; /**< Did we fail to construct this atlas? */
unsigned numBitmaps;
unsigned texWidth, texHeight;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
unsigned glyphHeight;
struct gl_bitmap_glyph *glyphs;
};
void
_mesa_delete_bitmap_atlas(struct gl_context *ctx,
struct gl_bitmap_atlas *atlas);
GLboolean GLAPIENTRY
_mesa_IsList(GLuint list);
void GLAPIENTRY
_mesa_DeleteLists(GLuint list, GLsizei range);
GLuint GLAPIENTRY
_mesa_GenLists(GLsizei range);
void GLAPIENTRY
_mesa_NewList(GLuint name, GLenum mode);
void GLAPIENTRY
_mesa_EndList(void);
void GLAPIENTRY
_mesa_CallList(GLuint list);
void GLAPIENTRY
_mesa_CallLists(GLsizei n, GLenum type, const GLvoid *lists);
void GLAPIENTRY
_mesa_ListBase(GLuint base);
struct gl_display_list *
_mesa_lookup_list(struct gl_context *ctx, GLuint list);
void
_mesa_compile_error(struct gl_context *ctx, GLenum error, const char *s);
void *
_mesa_dlist_alloc(struct gl_context *ctx, GLuint opcode, GLuint sz);
void *
_mesa_dlist_alloc_aligned(struct gl_context *ctx, GLuint opcode, GLuint bytes);
GLint
_mesa_dlist_alloc_opcode(struct gl_context *ctx, GLuint sz,
void (*execute)(struct gl_context *, void *),
void (*destroy)(struct gl_context *, void *),
void (*print)(struct gl_context *, void *, FILE *));
void
_mesa_delete_list(struct gl_context *ctx, struct gl_display_list *dlist);
void
_mesa_initialize_save_table(const struct gl_context *);
void
_mesa_install_dlist_vtxfmt(struct _glapi_table *disp,
const GLvertexformat *vfmt);
void
_mesa_init_display_list(struct gl_context * ctx);
void
_mesa_free_display_list_data(struct gl_context *ctx);
#endif /* DLIST_H */
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