Mercurial > sdl-ios-xcode

annotate src/video/qnxgf/SDL_gf_render.h @ 3473:7bdc10624cba

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This is terrible, but the OpenGL standard says that lines are half open, which means that one endpoint is not covered so adjoining lines don't overlap. It also doesn't define which end is open, and indeed Mac OS X and Linux differ. Mac OS X seems to leave the second endpoint open, but Linux uses the right-most endpoint for x major lines and the bottom-most endpoint for y major lines.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 07:14:21 +0000
parents 7f684f249ec9
children f7b03b6838cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21
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22 QNX Graphics Framework SDL driver
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23 Copyright (C) 2009 Mike Gorchak
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24 (mike@malva.ua, lestat@i.com.ua)
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25 */
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26
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27 #ifndef __SDL_GF_RENDER_H__
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28 #define __SDL_GF_RENDER_H__
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29
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30 #include "../SDL_sysvideo.h"
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31
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32 #include <gf/gf.h>
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33
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34 #define SDL_GF_MAX_SURFACES 3
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35
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36 typedef struct SDL_RenderData
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37 {
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38 SDL_Window *window; /* SDL window type */
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39 SDL_bool enable_vsync; /* VSYNC flip synchronization enable */
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40 gf_surface_t surface[SDL_GF_MAX_SURFACES]; /* Surface handles */
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41 gf_surface_info_t surface_info[SDL_GF_MAX_SURFACES]; /* Surface info */
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42 uint32_t surface_visible_idx; /* Index of visible surface */
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43 uint32_t surface_render_idx; /* Index of render surface */
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44 uint32_t surfaces_count; /* Amount of allocated surfaces */
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45 } SDL_RenderData;
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46
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47 typedef struct SDL_TextureData
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48 {
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49 gf_surface_t surface;
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50 gf_surface_info_t surface_info;
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51 } SDL_TextureData;
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52
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53 extern void gf_addrenderdriver(_THIS);
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54
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55 #endif /* __SDL_GF_RENDER_H__ */
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56
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57 /* vi: set ts=4 sw=4 expandtab: */