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.events.fullscreen = opts.fullscreen;
76 renderer.events.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 if (!_GBASDLInit(&renderer)) {
87 freeArguments(&args);
88 GBAConfigFreeOpts(&opts);
89 GBAConfigDeinit(&config);
90 return 1;
91 }
92
93 struct GBAThread context = {
94 .renderer = &renderer.d.d,
95 .userData = &renderer
96 };
97
98 context.debugger = createDebugger(&args, &context);
99
100 GBAMapOptionsToContext(&opts, &context);
101 GBAMapArgumentsToContext(&args, &context);
102
103 renderer.audio.samples = context.audioBuffers;
104 GBASDLInitAudio(&renderer.audio, &context);
105
106 renderer.events.bindings = &inputMap;
107 GBASDLInitBindings(&inputMap);
108 GBASDLInitEvents(&renderer.events);
109 GBASDLEventsLoadConfig(&renderer.events, GBAConfigGetInput(&config));
110 context.overrides = GBAConfigGetOverrides(&config);
111
112 int didFail = 0;
113 if (GBAThreadStart(&context)) {
114 GBASDLRunloop(&context, &renderer);
115 GBAThreadJoin(&context);
116 } else {
117 didFail = 1;
118 printf("Could not run game. Are you sure the file exists and is a Game Boy Advance game?\n");
119 }
120
121 if (GBAThreadHasCrashed(&context)) {
122 didFail = 1;
123 printf("The game crashed!\n");
124 }
125 freeArguments(&args);
126 GBAConfigFreeOpts(&opts);
127 GBAConfigDeinit(&config);
128 free(context.debugger);
129 GBAInputMapDeinit(&inputMap);
130
131 _GBASDLDeinit(&renderer);
132
133 return didFail;
134}
135
136static bool _GBASDLInit(struct SDLSoftwareRenderer* renderer) {
137 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
138 printf("Could not initialize video: %s\n", SDL_GetError());
139 return false;
140 }
141
142 return GBASDLInit(renderer);
143}
144
145static void _GBASDLDeinit(struct SDLSoftwareRenderer* renderer) {
146 free(renderer->d.outputBuffer);
147
148 GBASDLDeinitEvents(&renderer->events);
149 GBASDLDeinitAudio(&renderer->audio);
150#if SDL_VERSION_ATLEAST(2, 0, 0)
151 SDL_DestroyWindow(renderer->window);
152#endif
153
154 GBASDLDeinit(renderer);
155
156 SDL_Quit();
157
158}