Atlas - SDL_ps2video.c
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[FILE BEGIN]
1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21#include "SDL_internal.h"
22
23#ifdef SDL_VIDEO_DRIVER_PS2
24
25/* PS2 SDL video driver implementation; this is just enough to make an
26 *  SDL-based application THINK it's got a working video driver, for
27 *  applications that call SDL_Init(SDL_INIT_VIDEO) when they don't need it,
28 *  and also for use as a collection of stubs when porting SDL to a new
29 *  platform for which you haven't yet written a valid video driver.
30 *
31 * This is also a great way to determine bottlenecks: if you think that SDL
32 *  is a performance problem for a given platform, enable this driver, and
33 *  then see if your application runs faster without video overhead.
34 *
35 * Initial work by Ryan C. Gordon ([email protected]). A good portion
36 *  of this was cut-and-pasted from Stephane Peter's work in the AAlib
37 *  SDL video driver.  Renamed to "PS2" by Sam Lantinga.
38 */
39
40#include "../SDL_sysvideo.h"
41#include "../SDL_pixels_c.h"
42#include "../../events/SDL_events_c.h"
43
44#include "SDL_ps2video.h"
45
46// PS2 driver bootstrap functions
47
48static bool PS2_SetDisplayMode(SDL_VideoDevice *_this, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
49{
50    return true;
51}
52
53static void PS2_DeleteDevice(SDL_VideoDevice *device)
54{
55    SDL_free(device);
56}
57
58static bool PS2_CreateWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID create_props)
59{
60    SDL_SetKeyboardFocus(window);
61
62    // Window has been successfully created
63    return true;
64}
65
66static bool PS2_VideoInit(SDL_VideoDevice *_this)
67{
68    SDL_DisplayMode mode;
69
70    SDL_zero(mode);
71    mode.w = 640;
72    mode.h = 480;
73    mode.refresh_rate = 60.0f;
74
75    // 32 bpp for default
76    mode.format = SDL_PIXELFORMAT_ABGR8888;
77
78    SDL_AddBasicVideoDisplay(&mode);
79
80    return true;
81}
82
83static void PS2_VideoQuit(SDL_VideoDevice *_this)
84{
85}
86
87static void PS2_PumpEvents(SDL_VideoDevice *_this)
88{
89    // do nothing.
90}
91
92static SDL_VideoDevice *PS2_CreateDevice(void)
93{
94    SDL_VideoDevice *device;
95
96    // Initialize all variables that we clean on shutdown
97    device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice));
98    if (!device) {
99        return NULL;
100    }
101
102    // Set the function pointers
103    device->VideoInit = PS2_VideoInit;
104    device->VideoQuit = PS2_VideoQuit;
105    device->SetDisplayMode = PS2_SetDisplayMode;
106    device->CreateSDLWindow = PS2_CreateWindow;
107    device->PumpEvents = PS2_PumpEvents;
108    device->free = PS2_DeleteDevice;
109
110    return device;
111}
112
113VideoBootStrap PS2_bootstrap = {
114    "ps2",
115    "PS2 Video Driver",
116    PS2_CreateDevice,
117    NULL, // no ShowMessageBox implementation
118    false
119};
120
121#endif // SDL_VIDEO_DRIVER_PS2
122
[FILE END]
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