1#include "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#include <unistd.h>
 15
 16struct SoftwareRenderer {
 17	struct GBAVideoSoftwareRenderer d;
 18	struct GBASDLAudio audio;
 19	struct GBASDLEvents events;
 20};
 21
 22static int _GBASDLInit(struct SoftwareRenderer* renderer);
 23static void _GBASDLDeinit(struct SoftwareRenderer* renderer);
 24static void _GBASDLRunloop(struct GBAThread* context);
 25static void _GBASDLStart(struct GBAThread* context);
 26static void _GBASDLClean(struct GBAThread* context);
 27
 28int main(int argc, char** argv) {
 29	const char* fname = "test.rom";
 30	if (argc > 1) {
 31		fname = argv[1];
 32	}
 33	int fd = open(fname, O_RDONLY);
 34	if (fd < 0) {
 35		return 1;
 36	}
 37
 38	struct GBAThread context;
 39	struct SoftwareRenderer renderer;
 40	GBAVideoSoftwareRendererCreate(&renderer.d);
 41
 42	if (!_GBASDLInit(&renderer)) {
 43		return 1;
 44	}
 45
 46	context.fd = fd;
 47	context.fname = fname;
 48	context.useDebugger = 1;
 49	context.renderer = &renderer.d.d;
 50	context.frameskip = 0;
 51	context.sync.videoFrameWait = 0;
 52	context.sync.audioWait = 1;
 53	context.startCallback = _GBASDLStart;
 54	context.cleanCallback = _GBASDLClean;
 55	context.userData = &renderer;
 56
 57	SDL_Surface* surface = SDL_GetVideoSurface();
 58	SDL_LockSurface(surface);
 59	renderer.d.outputBuffer = surface->pixels;
 60#ifdef COLOR_16_BIT
 61	renderer.d.outputBufferStride = surface->pitch / 2;
 62#else
 63	renderer.d.outputBufferStride = surface->pitch / 4;
 64#endif
 65
 66	GBAThreadStart(&context);
 67
 68	_GBASDLRunloop(&context);
 69
 70	SDL_UnlockSurface(surface);
 71	GBAThreadJoin(&context);
 72	close(fd);
 73
 74	_GBASDLDeinit(&renderer);
 75
 76	return 0;
 77}
 78
 79static int _GBASDLInit(struct SoftwareRenderer* renderer) {
 80	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
 81		return 0;
 82	}
 83
 84	GBASDLInitEvents(&renderer->events);
 85	GBASDLInitAudio(&renderer->audio);
 86
 87#ifdef COLOR_16_BIT
 88	SDL_SetVideoMode(240, 160, 16, SDL_DOUBLEBUF | SDL_HWSURFACE);
 89#else
 90	SDL_SetVideoMode(240, 160, 32, SDL_DOUBLEBUF | SDL_HWSURFACE);
 91#endif
 92
 93	return 1;
 94}
 95
 96static void _GBASDLRunloop(struct GBAThread* context) {
 97	SDL_Event event;
 98	SDL_Surface* surface = SDL_GetVideoSurface();
 99
100	while (context->started && (!context->debugger || context->debugger->state != DEBUGGER_EXITING)) {
101		GBASyncWaitFrameStart(&context->sync, context->frameskip);
102		SDL_UnlockSurface(surface);
103		SDL_Flip(surface);
104		SDL_LockSurface(surface);
105
106		while (SDL_PollEvent(&event)) {
107			GBASDLHandleEvent(context, &event);
108		}
109		GBASyncWaitFrameEnd(&context->sync);
110	}
111}
112
113static void _GBASDLDeinit(struct SoftwareRenderer* renderer) {
114	free(renderer->d.outputBuffer);
115
116	GBASDLDeinitEvents(&renderer->events);
117	GBASDLDeinitAudio(&renderer->audio);
118	SDL_Quit();
119}
120
121static void _GBASDLStart(struct GBAThread* threadContext) {
122	struct SoftwareRenderer* renderer = threadContext->userData;
123	renderer->audio.audio = &threadContext->gba->audio;
124}
125
126static void _GBASDLClean(struct GBAThread* threadContext) {
127	struct SoftwareRenderer* renderer = threadContext->userData;
128	renderer->audio.audio = 0;
129}