1#include "debugger/debugger.h"
  2#include "gba-thread.h"
  3#include "gba.h"
  4#include "renderers/video-software.h"
  5#include "sdl-audio.h"
  6#include "sdl-events.h"
  7
  8#include <SDL.h>
  9
 10#include <fcntl.h>
 11#include <errno.h>
 12#include <signal.h>
 13#include <sys/time.h>
 14
 15struct SoftwareRenderer {
 16	struct GBAVideoSoftwareRenderer d;
 17	struct GBASDLAudio audio;
 18	struct GBASDLEvents events;
 19};
 20
 21static int _GBASDLInit(struct SoftwareRenderer* renderer);
 22static void _GBASDLDeinit(struct SoftwareRenderer* renderer);
 23static void _GBASDLRunloop(struct GBAThread* context);
 24static void _GBASDLStart(struct GBAThread* context);
 25static void _GBASDLClean(struct GBAThread* context);
 26
 27int main(int argc, char** argv) {
 28	const char* fname = "test.rom";
 29	if (argc > 1) {
 30		fname = argv[1];
 31	}
 32	int fd = open(fname, O_RDONLY);
 33	if (fd < 0) {
 34		return 1;
 35	}
 36
 37	struct GBAThread context;
 38	struct SoftwareRenderer renderer;
 39	GBAVideoSoftwareRendererCreate(&renderer.d);
 40
 41	if (!_GBASDLInit(&renderer)) {
 42		return 1;
 43	}
 44
 45	context.fd = fd;
 46	context.fname = fname;
 47	context.useDebugger = 1;
 48	context.renderer = &renderer.d.d;
 49	context.frameskip = 0;
 50	context.sync.videoFrameWait = 0;
 51	context.sync.audioWait = 1;
 52	context.startCallback = _GBASDLStart;
 53	context.cleanCallback = _GBASDLClean;
 54	context.userData = &renderer;
 55
 56	SDL_Surface* surface = SDL_GetVideoSurface();
 57	SDL_LockSurface(surface);
 58	renderer.d.outputBuffer = surface->pixels;
 59#ifdef COLOR_16_BIT
 60	renderer.d.outputBufferStride = surface->pitch / 2;
 61#else
 62	renderer.d.outputBufferStride = surface->pitch / 4;
 63#endif
 64
 65	GBAThreadStart(&context);
 66
 67	_GBASDLRunloop(&context);
 68
 69	SDL_UnlockSurface(surface);
 70	GBAThreadJoin(&context);
 71	close(fd);
 72
 73	_GBASDLDeinit(&renderer);
 74
 75	return 0;
 76}
 77
 78static int _GBASDLInit(struct SoftwareRenderer* renderer) {
 79	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
 80		return 0;
 81	}
 82
 83	GBASDLInitEvents(&renderer->events);
 84	GBASDLInitAudio(&renderer->audio);
 85
 86#ifdef COLOR_16_BIT
 87	SDL_SetVideoMode(240, 160, 16, SDL_DOUBLEBUF | SDL_HWSURFACE);
 88#else
 89	SDL_SetVideoMode(240, 160, 32, SDL_DOUBLEBUF | SDL_HWSURFACE);
 90#endif
 91
 92	return 1;
 93}
 94
 95static void _GBASDLRunloop(struct GBAThread* context) {
 96	SDL_Event event;
 97	SDL_Surface* surface = SDL_GetVideoSurface();
 98
 99	while (context->state < THREAD_EXITING) {
100		if (GBASyncWaitFrameStart(&context->sync, context->frameskip)) {
101			SDL_UnlockSurface(surface);
102			SDL_Flip(surface);
103			SDL_LockSurface(surface);
104		}
105		GBASyncWaitFrameEnd(&context->sync);
106
107		while (SDL_PollEvent(&event)) {
108			GBASDLHandleEvent(context, &event);
109		}
110	}
111}
112
113static void _GBASDLDeinit(struct SoftwareRenderer* renderer) {
114	GBASDLDeinitEvents(&renderer->events);
115	GBASDLDeinitAudio(&renderer->audio);
116	SDL_Quit();
117}
118
119static void _GBASDLStart(struct GBAThread* threadContext) {
120	struct SoftwareRenderer* renderer = threadContext->userData;
121	renderer->audio.audio = &threadContext->gba->audio;
122}
123
124static void _GBASDLClean(struct GBAThread* threadContext) {
125	struct SoftwareRenderer* renderer = threadContext->userData;
126	renderer->audio.audio = 0;
127}