Atlas - SDL_ngagevideo.c
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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_sysvideo.h"
22
23#ifdef SDL_VIDEO_DRIVER_NGAGE
24
25#include "SDL_ngagevideo.h"
26
27#define NGAGE_VIDEO_DRIVER_NAME "N-Gage"
28
29static void NGAGE_DeleteDevice(SDL_VideoDevice *device);
30static bool NGAGE_VideoInit(SDL_VideoDevice *device);
31static void NGAGE_VideoQuit(SDL_VideoDevice *device);
32
33static bool NGAGE_GetDisplayBounds(SDL_VideoDevice *device, SDL_VideoDisplay *display, SDL_Rect *rect);
34static bool NGAGE_GetDisplayModes(SDL_VideoDevice *device, SDL_VideoDisplay *display);
35
36static void NGAGE_PumpEvents(SDL_VideoDevice *device);
37
38static bool NGAGE_SuspendScreenSaver(SDL_VideoDevice *device);
39
40static SDL_VideoDevice *NGAGE_CreateDevice(void)
41{
42    SDL_VideoDevice *device;
43    SDL_VideoData *phdata;
44
45    // Initialize all variables that we clean on shutdown.
46    device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice));
47    if (!device) {
48        SDL_OutOfMemory();
49        return (SDL_VideoDevice *)0;
50    }
51
52    // Initialize internal N-Gage specific data.
53    phdata = (SDL_VideoData *)SDL_calloc(1, sizeof(SDL_VideoData));
54    if (!phdata) {
55        SDL_OutOfMemory();
56        SDL_free(device);
57        return (SDL_VideoDevice *)0;
58    }
59
60    device->internal = phdata;
61
62    device->name = "Nokia N-Gage";
63
64    device->VideoInit = NGAGE_VideoInit;
65    device->VideoQuit = NGAGE_VideoQuit;
66
67    device->GetDisplayBounds = NGAGE_GetDisplayBounds;
68    device->GetDisplayModes = NGAGE_GetDisplayModes;
69
70    device->PumpEvents = NGAGE_PumpEvents;
71
72    device->SuspendScreenSaver = NGAGE_SuspendScreenSaver;
73
74    device->free = NGAGE_DeleteDevice;
75
76    device->device_caps = VIDEO_DEVICE_CAPS_FULLSCREEN_ONLY;
77
78    return device;
79}
80
81VideoBootStrap NGAGE_bootstrap = {
82    NGAGE_VIDEO_DRIVER_NAME,
83    "N-Gage Video Driver",
84    NGAGE_CreateDevice,
85    0
86};
87
88static void NGAGE_DeleteDevice(SDL_VideoDevice *device)
89{
90    SDL_free(device->internal);
91    SDL_free(device);
92}
93
94static bool NGAGE_VideoInit(SDL_VideoDevice *device)
95{
96    SDL_VideoData *phdata = (SDL_VideoData *)device->internal;
97
98    if (!phdata) {
99        return false;
100    }
101
102    SDL_zero(phdata->mode);
103    SDL_zero(phdata->display);
104
105    phdata->mode.w = 176;
106    phdata->mode.h = 208;
107    phdata->mode.refresh_rate = 60.0f;
108    phdata->mode.format = SDL_PIXELFORMAT_XRGB4444;
109
110    phdata->display.name = "N-Gage";
111    phdata->display.desktop_mode = phdata->mode;
112
113    if (SDL_AddVideoDisplay(&phdata->display, false) == 0) {
114        return false;
115    }
116
117    return true;
118}
119
120static void NGAGE_VideoQuit(SDL_VideoDevice *device)
121{
122    SDL_VideoData *phdata = (SDL_VideoData *)device->internal;
123
124    if (phdata) {
125        SDL_zero(phdata->mode);
126        SDL_zero(phdata->display);
127    }
128}
129
130static bool NGAGE_GetDisplayBounds(SDL_VideoDevice *device, SDL_VideoDisplay *display, SDL_Rect *rect)
131{
132    if (!display) {
133        return false;
134    }
135
136    rect->x = 0;
137    rect->y = 0;
138    rect->w = display->current_mode->w;
139    rect->h = display->current_mode->h;
140
141    return true;
142}
143
144static bool NGAGE_GetDisplayModes(SDL_VideoDevice *device, SDL_VideoDisplay *display)
145{
146    SDL_VideoData *phdata = (SDL_VideoData *)device->internal;
147    SDL_DisplayMode mode;
148
149    SDL_zero(mode);
150    mode.w = phdata->mode.w;
151    mode.h = phdata->mode.h;
152    mode.refresh_rate = phdata->mode.refresh_rate;
153    mode.format = phdata->mode.format;
154
155    if (!SDL_AddFullscreenDisplayMode(display, &mode)) {
156        return false;
157    }
158
159    return true;
160}
161
162#include "../../render/ngage/SDL_render_ngage_c.h"
163
164static void NGAGE_PumpEvents(SDL_VideoDevice *device)
165{
166    NGAGE_PumpEventsInternal();
167}
168
169static bool NGAGE_SuspendScreenSaver(SDL_VideoDevice *device)
170{
171    NGAGE_SuspendScreenSaverInternal(device->suspend_screensaver);
172    return true;
173}
174
175#endif // SDL_VIDEO_DRIVER_NGAGE
176
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