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comparison render_sdl.c @ 1267:3772bb926be5

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Initial stab at horizontal border emulation. Only works for H40 and still has a few minor holes to fill
author Michael Pavone <pavone@retrodev.com>
date Mon, 06 Mar 2017 00:23:35 -0800
parents 5f65a16c23ff
children eca01056a915
comparison
equal deleted inserted replaced
1266:a4fa897c99ce 1267:3772bb926be5
254 gl_setup(); 254 gl_setup();
255 } else { 255 } else {
256 #endif 256 #endif
257 257
258 //TODO: Fixme for invalid display mode 258 //TODO: Fixme for invalid display mode
259 sdl_textures[0] = sdl_textures[1] = SDL_CreateTexture(main_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, 320, 588); 259 sdl_textures[0] = sdl_textures[1] = SDL_CreateTexture(main_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, LINEBUF_SIZE, 588);
260 #ifndef DISABLE_OPENGL 260 #ifndef DISABLE_OPENGL
261 } 261 }
262 #endif 262 #endif
263 } 263 }
264 264
322 } 322 }
323 } 323 }
324 324
325 static uint32_t overscan_top[NUM_VID_STD] = {2, 21}; 325 static uint32_t overscan_top[NUM_VID_STD] = {2, 21};
326 static uint32_t overscan_bot[NUM_VID_STD] = {1, 17}; 326 static uint32_t overscan_bot[NUM_VID_STD] = {1, 17};
327 static uint32_t overscan_left[NUM_VID_STD] = {13, 13};
328 static uint32_t overscan_right[NUM_VID_STD] = {14, 14};
327 static vid_std video_standard = VID_NTSC; 329 static vid_std video_standard = VID_NTSC;
328 static char *vid_std_names[NUM_VID_STD] = {"ntsc", "pal"}; 330 static char *vid_std_names[NUM_VID_STD] = {"ntsc", "pal"};
329 void render_init(int width, int height, char * title, uint8_t fullscreen) 331 void render_init(int width, int height, char * title, uint8_t fullscreen)
330 { 332 {
331 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) < 0) { 333 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) < 0) {
373 } 375 }
374 val = tern_find_path_default(std_settings, "overscan\0bottom\0", (tern_val){.ptrval = NULL}).ptrval; 376 val = tern_find_path_default(std_settings, "overscan\0bottom\0", (tern_val){.ptrval = NULL}).ptrval;
375 if (val) { 377 if (val) {
376 overscan_bot[i] = atoi(val); 378 overscan_bot[i] = atoi(val);
377 } 379 }
380 val = tern_find_path_default(std_settings, "overscan\0left\0", (tern_val){.ptrval = NULL}).ptrval;
381 if (val) {
382 overscan_left[i] = atoi(val);
383 }
384 val = tern_find_path_default(std_settings, "overscan\0right\0", (tern_val){.ptrval = NULL}).ptrval;
385 if (val) {
386 overscan_right[i] = atoi(val);
387 }
378 } 388 }
379 } 389 }
380 } 390 }
381 391
382 #ifndef DISABLE_OPENGL 392 #ifndef DISABLE_OPENGL
502 uint32_t locked_pitch; 512 uint32_t locked_pitch;
503 uint32_t *render_get_framebuffer(uint8_t which, int *pitch) 513 uint32_t *render_get_framebuffer(uint8_t which, int *pitch)
504 { 514 {
505 #ifndef DISABLE_OPENGL 515 #ifndef DISABLE_OPENGL
506 if (render_gl && which <= FRAMEBUFFER_EVEN) { 516 if (render_gl && which <= FRAMEBUFFER_EVEN) {
507 *pitch = 320 * sizeof(uint32_t); //TODO: change this to LINEBUF_SIZE once border rendering is added 517 *pitch = LINEBUF_SIZE * sizeof(uint32_t);
508 return texture_buf; 518 return texture_buf;
509 } else { 519 } else {
510 #endif 520 #endif
511 if (which >= num_textures) { 521 if (which >= num_textures) {
512 warning("Request for invalid framebuffer number %d\n", which); 522 warning("Request for invalid framebuffer number %d\n", which);
546 { 556 {
547 static uint8_t last; 557 static uint8_t last;
548 uint32_t height = which <= FRAMEBUFFER_EVEN 558 uint32_t height = which <= FRAMEBUFFER_EVEN
549 ? (video_standard == VID_NTSC ? 243 : 294) - (overscan_top[video_standard] + overscan_bot[video_standard]) 559 ? (video_standard == VID_NTSC ? 243 : 294) - (overscan_top[video_standard] + overscan_bot[video_standard])
550 : 240; 560 : 240;
561 width -= overscan_left[video_standard] + overscan_right[video_standard];
551 FILE *screenshot_file = NULL; 562 FILE *screenshot_file = NULL;
552 uint32_t shot_height; 563 uint32_t shot_height;
553 if (screenshot_path && which == FRAMEBUFFER_ODD) { 564 if (screenshot_path && which == FRAMEBUFFER_ODD) {
554 screenshot_file = fopen(screenshot_path, "wb"); 565 screenshot_file = fopen(screenshot_path, "wb");
555 if (screenshot_file) { 566 if (screenshot_file) {
562 shot_height = video_standard == VID_NTSC ? 243 : 294; 573 shot_height = video_standard == VID_NTSC ? 243 : 294;
563 } 574 }
564 #ifndef DISABLE_OPENGL 575 #ifndef DISABLE_OPENGL
565 if (render_gl && which <= FRAMEBUFFER_EVEN) { 576 if (render_gl && which <= FRAMEBUFFER_EVEN) {
566 glBindTexture(GL_TEXTURE_2D, textures[which]); 577 glBindTexture(GL_TEXTURE_2D, textures[which]);
567 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 320, height, GL_BGRA, GL_UNSIGNED_BYTE, texture_buf + 320 * overscan_top[video_standard]); 578 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_BGRA, GL_UNSIGNED_BYTE, texture_buf + overscan_left[video_standard] + LINEBUF_SIZE * overscan_top[video_standard]);
568 579
569 glClearColor(0.0f, 0.0f, 0.0f, 1.0f); 580 glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
570 glClear(GL_COLOR_BUFFER_BIT); 581 glClear(GL_COLOR_BUFFER_BIT);
571 582
572 glUseProgram(program); 583 glUseProgram(program);
592 603
593 SDL_GL_SwapWindow(main_window); 604 SDL_GL_SwapWindow(main_window);
594 605
595 if (screenshot_file) { 606 if (screenshot_file) {
596 //properly supporting interlaced modes here is non-trivial, so only save the odd field for now 607 //properly supporting interlaced modes here is non-trivial, so only save the odd field for now
597 save_ppm(screenshot_file, texture_buf, width, shot_height, 320*sizeof(uint32_t)); 608 save_ppm(screenshot_file, texture_buf, width, shot_height, LINEBUF_SIZE*sizeof(uint32_t));
598 } 609 }
599 } else { 610 } else {
600 #endif 611 #endif
601 if (which <= FRAMEBUFFER_EVEN && last != which) { 612 if (which <= FRAMEBUFFER_EVEN && last != which) {
602 uint8_t *cur_dst = (uint8_t *)locked_pixels; 613 uint8_t *cur_dst = (uint8_t *)locked_pixels;
623 } 634 }
624 save_ppm(screenshot_file, locked_pixels, width, shot_height, shot_pitch); 635 save_ppm(screenshot_file, locked_pixels, width, shot_height, shot_pitch);
625 } 636 }
626 SDL_UnlockTexture(sdl_textures[which]); 637 SDL_UnlockTexture(sdl_textures[which]);
627 SDL_Rect src_clip = { 638 SDL_Rect src_clip = {
628 .x = 0, 639 .x = overscan_left[video_standard],
629 .y = overscan_top[video_standard], 640 .y = overscan_top[video_standard],
630 .w = width, 641 .w = width,
631 .h = height 642 .h = height
632 }; 643 };
633 SDL_RenderCopy(main_renderer, sdl_textures[which], &src_clip, &main_clip); 644 SDL_RenderCopy(main_renderer, sdl_textures[which], &src_clip, &main_clip);