removed threaded rendering, made vsync an option
This commit is contained in:
Shaun Inman
parent
416e32bc53
commit
9e795ff1bc
3 changed files with 29 additions and 78 deletions
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@ -98,8 +98,6 @@ struct owlfb_sync_info {
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///////////////////////////////
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#define GFX_BUFFER_COUNT 3
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#define GFX_ENABLE_VSYNC
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#define GFX_ENABLE_BUFFER
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///////////////////////////////
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@ -111,6 +109,7 @@ uint32_t RGB_DARK_GRAY;
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static struct GFX_Context {
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int mode;
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int vsync;
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int fb;
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int pitch;
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int buffer;
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@ -157,6 +156,7 @@ SDL_Surface* GFX_init(int mode) {
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SDL_ShowCursor(0);
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TTF_Init();
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gfx.vsync = 1;
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gfx.mode = mode;
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// we're drawing to the (triple-buffered) framebuffer directly
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@ -172,15 +172,10 @@ SDL_Surface* GFX_init(int mode) {
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gfx.vinfo.xres = SCREEN_WIDTH;
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gfx.vinfo.yres = SCREEN_HEIGHT;
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gfx.vinfo.xres_virtual = SCREEN_WIDTH;
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gfx.vinfo.yres_virtual = SCREEN_HEIGHT;
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#ifdef GFX_ENABLE_BUFFER
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gfx.vinfo.yres_virtual *= GFX_BUFFER_COUNT;
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#endif
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#if defined (GFX_ENABLE_BUFFER) && !defined (GFX_ENABLE_VSYNC)
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gfx.vinfo.yres_virtual = SCREEN_HEIGHT * GFX_BUFFER_COUNT;
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gfx.vinfo.xoffset = 0;
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gfx.vinfo.yoffset = 0;
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gfx.vinfo.activate = FB_ACTIVATE_VBL;
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#endif
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if (ioctl(gfx.fb, FBIOPUT_VSCREENINFO, &gfx.vinfo)) {
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printf("FBIOPUT_VSCREENINFO failed: %s (%i)\n", strerror(errno), errno);
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@ -192,20 +187,14 @@ SDL_Surface* GFX_init(int mode) {
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gfx.map = mmap(0, gfx.map_size, PROT_READ | PROT_WRITE, MAP_SHARED, gfx.fb, 0);
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memset(gfx.map, 0, gfx.map_size);
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#ifdef GFX_ENABLE_VSYNC
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struct owlfb_sync_info sinfo;
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sinfo.enabled = 1;
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if (ioctl(gfx.fb, OWLFB_VSYNC_EVENT_EN, &sinfo)) {
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printf("OWLFB_VSYNC_EVENT_EN failed: %s (%i)\n", strerror(errno), errno);
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}
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#endif
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// buffer tracking
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#ifdef GFX_ENABLE_BUFFER
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gfx.buffer = 1;
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#else
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gfx.buffer = 0;
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#endif
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gfx.buffer_size = SCREEN_PITCH * SCREEN_HEIGHT;
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// return screen
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@ -248,10 +237,10 @@ void GFX_quit(void) {
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TTF_CloseFont(font.tiny);
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SDL_FreeSurface(gfx.assets);
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#ifdef GFX_ENABLE_VSYNC
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int arg = 1;
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ioctl(gfx.fb, OWLFB_WAITFORVSYNC, &arg);
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#endif
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GFX_clearAll();
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munmap(gfx.map, gfx.map_size);
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close(gfx.fb);
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@ -265,6 +254,13 @@ void GFX_clearAll(void) {
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memset(gfx.map, 0, gfx.map_size);
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}
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int GFX_getVsync(void) {
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return gfx.vsync;
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}
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void GFX_setVsync(int vsync) {
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gfx.vsync = vsync;
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}
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static uint32_t frame_start = 0;
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void GFX_startFrame(void) {
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frame_start = SDL_GetTicks();
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@ -272,23 +268,20 @@ void GFX_startFrame(void) {
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void GFX_flip(SDL_Surface* screen) {
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static int ticks = 0;
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ticks += 1;
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#ifdef GFX_ENABLE_VSYNC
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// TODO: this condition doesn't make sense when using the threaded renderer
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#define FRAME_BUDGET 17 // 60fps
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if (frame_start==0 || SDL_GetTicks()-frame_start<FRAME_BUDGET) { // only wait if we're under frame budget
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int arg = 1;
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ioctl(gfx.fb, OWLFB_WAITFORVSYNC, &arg);
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if (gfx.vsync) {
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#define FRAME_BUDGET 17 // 60fps
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if (frame_start==0 || SDL_GetTicks()-frame_start<FRAME_BUDGET) { // only wait if we're under frame budget
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int arg = 1;
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ioctl(gfx.fb, OWLFB_WAITFORVSYNC, &arg);
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}
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}
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#endif
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#ifdef GFX_ENABLE_BUFFER
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gfx.vinfo.yoffset = gfx.buffer * SCREEN_HEIGHT;
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ioctl(gfx.fb, FBIOPAN_DISPLAY, &gfx.vinfo);
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gfx.buffer += 1;
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if (gfx.buffer>=GFX_BUFFER_COUNT) gfx.buffer -= GFX_BUFFER_COUNT;
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screen->pixels = gfx.map + (gfx.buffer * gfx.buffer_size);
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#endif
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}
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SDL_Surface* GFX_getBufferCopy(void) { // must be freed by caller
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@ -72,6 +72,9 @@ void GFX_startFrame(void);
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void GFX_flip(SDL_Surface* screen);
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void GFX_quit(void);
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int GFX_getVsync(void);
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void GFX_setVsync(int vsync);
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SDL_Surface* GFX_getBufferCopy(void); // must be freed by caller
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int GFX_truncateDisplayName(const char* in_name, char* out_name, int max_width); // returns final width (including pill padding)
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@ -521,14 +521,19 @@ static bool environment_callback(unsigned cmd, void *data) { // copied from pico
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break;
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}
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// TODO: RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION 59
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// TODO: I'm not sure what uses this...not gambatte, not snes9x, not pcsx
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case RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK: { /* 62 */
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puts("RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK");
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const struct retro_audio_buffer_status_callback *cb =
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(const struct retro_audio_buffer_status_callback *)data;
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if (cb) {
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puts("has audo_buffer_status callback");
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core.audio_buffer_status = cb->callback;
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} else {
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puts("missing audo_buffer_status callback");
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core.audio_buffer_status = NULL;
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}
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fflush(stdout);
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break;
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}
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// TODO: not used by gambatte
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@ -685,8 +690,6 @@ static double cpu_double = 0;
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static double use_double = 0;
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static uint32_t sec_start = 0;
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// TODO: flesh out
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#include <pthread.h>
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static struct {
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void* src;
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int src_w;
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@ -696,10 +699,8 @@ static struct {
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int dst_offset;
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int dst_w;
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int dst_h;
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int do_flip;
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scale_neon_t scaler;
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pthread_t flip_pt;
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} renderer;
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static void scaleNull(void* __restrict src, void* __restrict dst, uint32_t w, uint32_t h, uint32_t pitch, uint32_t dst_pitch) {}
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static void scale1x(void* __restrict src, void* __restrict dst, uint32_t w, uint32_t h, uint32_t pitch, uint32_t dst_pitch) {
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@ -1190,43 +1191,6 @@ static void selectScaler(int width, int height, int pitch) {
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}
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}
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static void* Flip_thread(void* param) {
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while (1) {
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if (!renderer.do_flip) {
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SDL_Delay(1); // TODO: this seems arbitrary
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continue;
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}
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fps_ticks += 1;
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renderer.scaler(renderer.src,screen->pixels+renderer.dst_offset,renderer.src_w,renderer.src_h,renderer.src_p,SCREEN_PITCH);
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int x = 0;
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int y = SCREEN_HEIGHT - DIGIT_HEIGHT;
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if (fps_double) x = MSG_blitDouble(fps_double, x,y);
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if (cpu_double) {
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x = MSG_blitChar(DIGIT_SLASH,x,y);
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MSG_blitDouble(cpu_double, x,y);
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}
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GFX_flip(screen);
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renderer.do_flip = 0;
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}
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return 0;
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}
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static void Flip_request(void) {
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renderer.do_flip = 1;
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}
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static void Flip_init(void) {
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memset(&renderer, 0, sizeof(renderer));
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pthread_create(&renderer.flip_pt, NULL, Flip_thread, NULL);
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}
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static void Flip_quit(void) {
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renderer.do_flip = 0;
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pthread_cancel(renderer.flip_pt);
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pthread_join(renderer.flip_pt,NULL);
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}
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static void video_refresh_callback(const void *data, unsigned width, unsigned height, size_t pitch) {
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if (!data) return;
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fps_ticks += 1; // comment out with threaded renderer
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@ -1246,11 +1210,6 @@ static void video_refresh_callback(const void *data, unsigned width, unsigned he
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renderer.src = malloc(height * pitch);
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}
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// TODO: we can maintain 60fps where frame rate is an issue without blitting...
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// memcpy(renderer.src, data, pitch * height); // copy for threaded scaling/rendering
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// Flip_request();
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// return;
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static int top_width = 0;
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static int bottom_width = 0;
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@ -1306,7 +1265,7 @@ static void video_refresh_callback(const void *data, unsigned width, unsigned he
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x = MSG_blitChar(DIGIT_PERCENT,x,y);
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}
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bottom_width = x;
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if (x>bottom_width) bottom_width = x; // keep the largest width because triple buffer
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x = 0;
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y = 0;
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@ -1325,7 +1284,7 @@ static void video_refresh_callback(const void *data, unsigned width, unsigned he
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x = MSG_blitInt(renderer.dst_h,x,y);
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x = MSG_blitChar(DIGIT_CP,x,y);
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top_width = x;
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if (x>top_width) top_width = x; // keep the largest width because triple buffer
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}
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GFX_flip(screen);
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@ -1621,8 +1580,6 @@ void Menu_afterSleep(void) {
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unlink(AUTO_RESUME_PATH);
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}
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void Menu_loop(void) {
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// while (renderer.do_flip) SDL_Delay(1); // TODO:// this seems arbitrary
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POW_enableAutosleep();
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PAD_reset();
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@ -2028,7 +1985,6 @@ int main(int argc , char* argv[]) {
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screen = GFX_init(MODE_MENU);
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MSG_init();
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// Flip_init();
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InitSettings();
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Core_open(core_path, tag_name); // LOG_info("after Core_open\n");
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@ -2082,7 +2038,6 @@ int main(int argc , char* argv[]) {
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Core_close(); // LOG_info("after Core_close\n");
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SDL_FreeSurface(screen);
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// Flip_quit();
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MSG_quit();
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GFX_quit();
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