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comparison render_sdl.c @ 1825:56a1171e29b9

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Allow Nuklear UI to be used when OpenGL is disabled
author Michael Pavone <pavone@retrodev.com>
date Thu, 04 Apr 2019 23:08:45 -0700
parents 70a1304b432b
children 78abbabfd58d
comparison
equal deleted inserted replaced
1824:62dd62c83b05 1825:56a1171e29b9
552 return ret; 552 return ret;
553 } 553 }
554 #endif 554 #endif
555 555
556 static uint32_t texture_buf[512 * 513]; 556 static uint32_t texture_buf[512 * 513];
557 #ifndef DISABLE_OPENGL 557 #ifdef DISABLE_OPENGL
558 #define RENDER_FORMAT SDL_PIXELFORMAT_ARGB8888
559 #else
558 #ifdef USE_GLES 560 #ifdef USE_GLES
559 #define INTERNAL_FORMAT GL_RGBA 561 #define INTERNAL_FORMAT GL_RGBA
560 #define SRC_FORMAT GL_RGBA 562 #define SRC_FORMAT GL_RGBA
561 #define RENDER_FORMAT SDL_PIXELFORMAT_ABGR8888 563 #define RENDER_FORMAT SDL_PIXELFORMAT_ABGR8888
562 #else 564 #else
697 } 699 }
698 700
699 static void update_aspect() 701 static void update_aspect()
700 { 702 {
701 //reset default values 703 //reset default values
704 #ifndef DISABLE_OPENGL
702 memcpy(vertex_data, vertex_data_default, sizeof(vertex_data)); 705 memcpy(vertex_data, vertex_data_default, sizeof(vertex_data));
706 #endif
703 main_clip.w = main_width; 707 main_clip.w = main_width;
704 main_clip.h = main_height; 708 main_clip.h = main_height;
705 main_clip.x = main_clip.y = 0; 709 main_clip.x = main_clip.y = 0;
706 if (config_aspect() > 0.0f) { 710 if (config_aspect() > 0.0f) {
707 float aspect = (float)main_width / main_height; 711 float aspect = (float)main_width / main_height;
729 } 733 }
730 #endif 734 #endif
731 } 735 }
732 } 736 }
733 737
734 static ui_render_fun on_context_destroyed, on_context_created; 738 static ui_render_fun on_context_destroyed, on_context_created, on_ui_fb_resized;
735 void render_set_gl_context_handlers(ui_render_fun destroy, ui_render_fun create) 739 void render_set_gl_context_handlers(ui_render_fun destroy, ui_render_fun create)
736 { 740 {
737 on_context_destroyed = destroy; 741 on_context_destroyed = destroy;
738 on_context_created = create; 742 on_context_created = create;
743 }
744
745 void render_set_ui_fb_resize_handler(ui_render_fun resize)
746 {
747 on_ui_fb_resized = resize;
739 } 748 }
740 749
741 static uint8_t scancode_map[SDL_NUM_SCANCODES] = { 750 static uint8_t scancode_map[SDL_NUM_SCANCODES] = {
742 [SDL_SCANCODE_A] = 0x1C, 751 [SDL_SCANCODE_A] = 0x1C,
743 [SDL_SCANCODE_B] = 0x32, 752 [SDL_SCANCODE_B] = 0x32,
904 static uint32_t overscan_top[NUM_VID_STD] = {2, 21}; 913 static uint32_t overscan_top[NUM_VID_STD] = {2, 21};
905 static uint32_t overscan_bot[NUM_VID_STD] = {1, 17}; 914 static uint32_t overscan_bot[NUM_VID_STD] = {1, 17};
906 static uint32_t overscan_left[NUM_VID_STD] = {13, 13}; 915 static uint32_t overscan_left[NUM_VID_STD] = {13, 13};
907 static uint32_t overscan_right[NUM_VID_STD] = {14, 14}; 916 static uint32_t overscan_right[NUM_VID_STD] = {14, 14};
908 static vid_std video_standard = VID_NTSC; 917 static vid_std video_standard = VID_NTSC;
918 static uint8_t need_ui_fb_resize;
909 919
910 static int32_t handle_event(SDL_Event *event) 920 static int32_t handle_event(SDL_Event *event)
911 { 921 {
912 if (custom_event_handler) { 922 if (custom_event_handler) {
913 custom_event_handler(event); 923 custom_event_handler(event);
972 if (!main_window) { 982 if (!main_window) {
973 break; 983 break;
974 } 984 }
975 main_width = event->window.data1; 985 main_width = event->window.data1;
976 main_height = event->window.data2; 986 main_height = event->window.data2;
987 need_ui_fb_resize = 1;
977 update_aspect(); 988 update_aspect();
978 #ifndef DISABLE_OPENGL 989 #ifndef DISABLE_OPENGL
979 if (render_gl) { 990 if (render_gl) {
980 if (on_context_destroyed) { 991 if (on_context_destroyed) {
981 on_context_destroyed(); 992 on_context_destroyed();
1336 main_height = mode.h; 1347 main_height = mode.h;
1337 } else { 1348 } else {
1338 main_width = windowed_width; 1349 main_width = windowed_width;
1339 main_height = windowed_height; 1350 main_height = windowed_height;
1340 } 1351 }
1352 if (on_ui_fb_resized) {
1353 on_ui_fb_resized();
1354 }
1341 1355
1342 window_setup(); 1356 window_setup();
1343 update_aspect(); 1357 update_aspect();
1344 #ifndef DISABLE_OPENGL 1358 #ifndef DISABLE_OPENGL
1345 //need to check render_gl again after window_setup as render option could have changed 1359 //need to check render_gl again after window_setup as render option could have changed
1495 if (render_gl && which <= FRAMEBUFFER_EVEN) { 1509 if (render_gl && which <= FRAMEBUFFER_EVEN) {
1496 *pitch = LINEBUF_SIZE * sizeof(uint32_t); 1510 *pitch = LINEBUF_SIZE * sizeof(uint32_t);
1497 return texture_buf; 1511 return texture_buf;
1498 } else { 1512 } else {
1499 #endif 1513 #endif
1514 if (which == FRAMEBUFFER_UI && which >= num_textures) {
1515 sdl_textures = realloc(sdl_textures, sizeof(*sdl_textures) * (FRAMEBUFFER_UI + 1));
1516 for (; num_textures <= FRAMEBUFFER_UI; num_textures++)
1517 {
1518 sdl_textures[num_textures] = NULL;
1519 }
1520 }
1521 if (which == FRAMEBUFFER_UI && !sdl_textures[which]) {
1522 sdl_textures[which] = SDL_CreateTexture(main_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, main_width, main_height);
1523 }
1500 if (which >= num_textures) { 1524 if (which >= num_textures) {
1501 warning("Request for invalid framebuffer number %d\n", which); 1525 warning("Request for invalid framebuffer number %d\n", which);
1502 return NULL; 1526 return NULL;
1503 } 1527 }
1504 void *pixels; 1528 void *pixels;
1632 } 1656 }
1633 #endif 1657 #endif
1634 last_height = height; 1658 last_height = height;
1635 if (which <= FRAMEBUFFER_EVEN) { 1659 if (which <= FRAMEBUFFER_EVEN) {
1636 render_update_display(); 1660 render_update_display();
1661 } else if (which == FRAMEBUFFER_UI) {
1662 SDL_RenderCopy(main_renderer, sdl_textures[which], NULL, NULL);
1663 if (need_ui_fb_resize) {
1664 SDL_DestroyTexture(sdl_textures[which]);
1665 sdl_textures[which] = NULL;
1666 if (on_ui_fb_resized) {
1667 on_ui_fb_resized();
1668 }
1669 need_ui_fb_resize = 0;
1670 }
1637 } else { 1671 } else {
1638 SDL_RenderCopy(extra_renderers[which - FRAMEBUFFER_USER_START], sdl_textures[which], NULL, NULL); 1672 SDL_RenderCopy(extra_renderers[which - FRAMEBUFFER_USER_START], sdl_textures[which], NULL, NULL);
1639 SDL_RenderPresent(extra_renderers[which - FRAMEBUFFER_USER_START]); 1673 SDL_RenderPresent(extra_renderers[which - FRAMEBUFFER_USER_START]);
1640 } 1674 }
1641 if (screenshot_file) { 1675 if (screenshot_file) {
1968 //is the only thing that seems to work reliably 2002 //is the only thing that seems to work reliably
1969 //when we've just switched to fullscreen mode this should be harmless though 2003 //when we've just switched to fullscreen mode this should be harmless though
1970 SDL_SetWindowSize(main_window, windowed_width, windowed_height); 2004 SDL_SetWindowSize(main_window, windowed_width, windowed_height);
1971 drain_events(); 2005 drain_events();
1972 in_toggle = 0; 2006 in_toggle = 0;
2007 need_ui_fb_resize = 1;
1973 } 2008 }
1974 2009
1975 uint32_t render_audio_buffer() 2010 uint32_t render_audio_buffer()
1976 { 2011 {
1977 return buffer_samples; 2012 return buffer_samples;