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comparison render_sdl.c @ 1532:b505083dcd87

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Added png screenshot support
author Michael Pavone <pavone@retrodev.com>
date Sat, 24 Mar 2018 19:40:51 -0700
parents 8a3d3bb2cd08
children c59adc305e46
comparison
equal deleted inserted replaced
1531:092675db4f37 1532:b505083dcd87
11 #include "blastem.h" 11 #include "blastem.h"
12 #include "genesis.h" 12 #include "genesis.h"
13 #include "io.h" 13 #include "io.h"
14 #include "util.h" 14 #include "util.h"
15 #include "ppm.h" 15 #include "ppm.h"
16 #include "png.h"
16 17
17 #ifndef DISABLE_OPENGL 18 #ifndef DISABLE_OPENGL
18 #include <GL/glew.h> 19 #include <GL/glew.h>
19 #endif 20 #endif
20 21
595 uint32_t height = which <= FRAMEBUFFER_EVEN 596 uint32_t height = which <= FRAMEBUFFER_EVEN
596 ? (video_standard == VID_NTSC ? 243 : 294) - (overscan_top[video_standard] + overscan_bot[video_standard]) 597 ? (video_standard == VID_NTSC ? 243 : 294) - (overscan_top[video_standard] + overscan_bot[video_standard])
597 : 240; 598 : 240;
598 FILE *screenshot_file = NULL; 599 FILE *screenshot_file = NULL;
599 uint32_t shot_height, shot_width; 600 uint32_t shot_height, shot_width;
601 char *ext;
600 if (screenshot_path && which == FRAMEBUFFER_ODD) { 602 if (screenshot_path && which == FRAMEBUFFER_ODD) {
601 screenshot_file = fopen(screenshot_path, "wb"); 603 screenshot_file = fopen(screenshot_path, "wb");
602 if (screenshot_file) { 604 if (screenshot_file) {
605 #ifndef DISABLE_ZLIB
606 ext = path_extension(screenshot_path);
607 #endif
603 info_message("Saving screenshot to %s\n", screenshot_path); 608 info_message("Saving screenshot to %s\n", screenshot_path);
604 } else { 609 } else {
605 warning("Failed to open screenshot file %s for writing\n", screenshot_path); 610 warning("Failed to open screenshot file %s for writing\n", screenshot_path);
606 } 611 }
607 free(screenshot_path); 612 free(screenshot_path);
641 646
642 SDL_GL_SwapWindow(main_window); 647 SDL_GL_SwapWindow(main_window);
643 648
644 if (screenshot_file) { 649 if (screenshot_file) {
645 //properly supporting interlaced modes here is non-trivial, so only save the odd field for now 650 //properly supporting interlaced modes here is non-trivial, so only save the odd field for now
646 save_ppm(screenshot_file, texture_buf, shot_width, shot_height, LINEBUF_SIZE*sizeof(uint32_t)); 651 #ifndef DISABLE_ZLIB
652 if (!strcasecmp(ext, "png")) {
653 free(ext);
654 save_png(screenshot_file, texture_buf, shot_width, shot_height, LINEBUF_SIZE*sizeof(uint32_t));
655 } else {
656 free(ext);
657 #endif
658 save_ppm(screenshot_file, texture_buf, shot_width, shot_height, LINEBUF_SIZE*sizeof(uint32_t));
659 #ifndef DISABLE_ZLIB
660 }
661 #endif
647 } 662 }
648 } else { 663 } else {
649 #endif 664 #endif
650 if (which <= FRAMEBUFFER_EVEN && last != which) { 665 if (which <= FRAMEBUFFER_EVEN && last != which) {
651 uint8_t *cur_dst = (uint8_t *)locked_pixels; 666 uint8_t *cur_dst = (uint8_t *)locked_pixels;
668 if (which == FRAMEBUFFER_EVEN) { 683 if (which == FRAMEBUFFER_EVEN) {
669 shot_height *= 2; 684 shot_height *= 2;
670 } else { 685 } else {
671 shot_pitch *= 2; 686 shot_pitch *= 2;
672 } 687 }
673 save_ppm(screenshot_file, locked_pixels, shot_width, shot_height, shot_pitch); 688 #ifndef DISABLE_ZLIB
689 if (!strcasecmp(ext, "png")) {
690 free(ext);
691 save_png(screenshot_file, locked_pixels, shot_width, shot_height, shot_pitch);
692 } else {
693 free(ext);
694 #endif
695 save_ppm(screenshot_file, locked_pixels, shot_width, shot_height, shot_pitch);
696 #ifndef DISABLE_ZLIB
697 }
698 #endif
674 } 699 }
675 SDL_UnlockTexture(sdl_textures[which]); 700 SDL_UnlockTexture(sdl_textures[which]);
676 SDL_Rect src_clip = { 701 SDL_Rect src_clip = {
677 .x = overscan_left[video_standard], 702 .x = overscan_left[video_standard],
678 .y = overscan_top[video_standard], 703 .y = overscan_top[video_standard],