src/platform/sdl/main.c (view raw)
1/* Copyright (c) 2013-2015 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#include "main.h"
7
8#ifdef USE_CLI_DEBUGGER
9#include "debugger/cli-debugger.h"
10#endif
11
12#ifdef USE_GDB_STUB
13#include "debugger/gdb-stub.h"
14#endif
15
16#include "gba/gba.h"
17#include "gba/supervisor/config.h"
18#include "gba/supervisor/thread.h"
19#include "gba/video.h"
20#include "platform/commandline.h"
21#include "util/configuration.h"
22
23#include <SDL.h>
24
25#include <errno.h>
26#include <signal.h>
27#include <sys/time.h>
28
29#define PORT "sdl"
30
31static bool GBASDLInit(struct SDLSoftwareRenderer* renderer);
32static void GBASDLDeinit(struct SDLSoftwareRenderer* renderer);
33
34int main(int argc, char** argv) {
35 struct SDLSoftwareRenderer renderer;
36 GBAVideoSoftwareRendererCreate(&renderer.d);
37
38 struct GBAInputMap inputMap;
39 GBAInputMapInit(&inputMap);
40
41 struct GBAConfig config;
42 GBAConfigInit(&config, PORT);
43 GBAConfigLoad(&config);
44
45 struct GBAOptions opts = {
46 .width = VIDEO_HORIZONTAL_PIXELS,
47 .height = VIDEO_VERTICAL_PIXELS,
48 .useBios = true,
49 .rewindEnable = true,
50 .audioBuffers = 512,
51 .videoSync = false,
52 .audioSync = true,
53 };
54 GBAConfigLoadDefaults(&config, &opts);
55
56 struct GBAArguments args;
57 struct GraphicsOpts graphicsOpts;
58
59 struct SubParser subparser;
60
61 initParserForGraphics(&subparser, &graphicsOpts);
62 if (!parseArguments(&args, &config, argc, argv, &subparser)) {
63 usage(argv[0], subparser.usage);
64 freeArguments(&args);
65 GBAConfigFreeOpts(&opts);
66 GBAConfigDeinit(&config);
67 return 1;
68 }
69
70 GBAConfigMap(&config, &opts);
71
72 renderer.viewportWidth = opts.width;
73 renderer.viewportHeight = opts.height;
74#if SDL_VERSION_ATLEAST(2, 0, 0)
75 renderer.player.fullscreen = opts.fullscreen;
76 renderer.player.windowUpdated = 0;
77#endif
78 renderer.ratio = graphicsOpts.multiplier;
79 if (renderer.ratio == 0) {
80 renderer.ratio = 1;
81 }
82
83 renderer.lockAspectRatio = opts.lockAspectRatio;
84 renderer.filter = opts.resampleVideo;
85
86#ifdef BUILD_GL
87 GBASDLGLCreate(&renderer);
88#else
89 GBASDLSWCreate(&renderer);
90#endif
91
92 if (!GBASDLInit(&renderer)) {
93 freeArguments(&args);
94 GBAConfigFreeOpts(&opts);
95 GBAConfigDeinit(&config);
96 return 1;
97 }
98
99 struct GBAThread context = {
100 .renderer = &renderer.d.d,
101 .userData = &renderer
102 };
103
104 context.debugger = createDebugger(&args, &context);
105
106 GBAMapOptionsToContext(&opts, &context);
107 GBAMapArgumentsToContext(&args, &context);
108
109 renderer.audio.samples = context.audioBuffers;
110 GBASDLInitAudio(&renderer.audio, &context);
111
112 renderer.player.bindings = &inputMap;
113 GBASDLInitBindings(&inputMap);
114 GBASDLInitEvents(&renderer.events);
115 GBASDLEventsLoadConfig(&renderer.events, GBAConfigGetInput(&config));
116 GBASDLAttachPlayer(&renderer.events, &renderer.player);
117 GBASDLPlayerLoadConfig(&renderer.player, GBAConfigGetInput(&config));
118 context.overrides = GBAConfigGetOverrides(&config);
119
120#if SDL_VERSION_ATLEAST(2, 0, 0)
121 GBASDLSetScreensaverSuspendable(&renderer.events, opts.suspendScreensaver);
122 GBASDLSuspendScreensaver(&renderer.events);
123#endif
124
125 int didFail = 0;
126 if (GBAThreadStart(&context)) {
127 renderer.runloop(&context, &renderer);
128 GBAThreadJoin(&context);
129 } else {
130 didFail = 1;
131 printf("Could not run game. Are you sure the file exists and is a Game Boy Advance game?\n");
132 }
133
134#if SDL_VERSION_ATLEAST(2, 0, 0)
135 GBASDLResumeScreensaver(&renderer.events);
136 GBASDLSetScreensaverSuspendable(&renderer.events, false);
137#endif
138
139 if (GBAThreadHasCrashed(&context)) {
140 didFail = 1;
141 printf("The game crashed!\n");
142 }
143 freeArguments(&args);
144 GBAConfigFreeOpts(&opts);
145 GBAConfigDeinit(&config);
146 free(context.debugger);
147 GBASDLDetachPlayer(&renderer.events, &renderer.player);
148 GBAInputMapDeinit(&inputMap);
149
150 GBASDLDeinit(&renderer);
151
152 return didFail;
153}
154
155static bool GBASDLInit(struct SDLSoftwareRenderer* renderer) {
156 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
157 printf("Could not initialize video: %s\n", SDL_GetError());
158 return false;
159 }
160
161 return renderer->init(renderer);
162}
163
164static void GBASDLDeinit(struct SDLSoftwareRenderer* renderer) {
165 GBASDLDeinitEvents(&renderer->events);
166 GBASDLDeinitAudio(&renderer->audio);
167#if SDL_VERSION_ATLEAST(2, 0, 0)
168 SDL_DestroyWindow(renderer->window);
169#endif
170
171 renderer->deinit(renderer);
172
173 SDL_Quit();
174
175}