mesa/src/gallium/auxiliary/hud/font.h

60 lines
2.0 KiB
C

/**************************************************************************
*
* Copyright 2013 Marek Olšák <maraeo@gmail.com>
* 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, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS 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 FONT_H
#define FONT_H
#include "pipe/p_compiler.h"
struct pipe_resource;
struct pipe_context;
enum util_font_name {
UTIL_FONT_FIXED_8X13
};
/* The font is stored in a RECT texture. There are 256 glyphs
* drawn in a 16x16 matrix. The texture coordinates of a glyph
* within the matrix should be calculated as follows:
*
* x1 = (glyph % 16) * glyph_width;
* y1 = (glyph / 16) * glyph_height;
* x2 = x1 + glyph_width;
* y2 = y1 + glyph_height;
*/
struct util_font {
struct pipe_resource *texture;
unsigned glyph_width;
unsigned glyph_height;
};
boolean
util_font_create(struct pipe_context *pipe, enum util_font_name name,
struct util_font *out_font);
#endif