X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Flibgame%2Fsdl.c;h=4fd21a304494c6fda4b4e5d63135da4644f41430;hp=a72bdcc0cc80e5c52df9c2267c70f36802e714a5;hb=a7c06161253796a30a0237a7f5a044f459c8cf35;hpb=6e022fe74edcab8e9b6be32bcfdd7006f478e2ab diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c index a72bdcc0..4fd21a30 100644 --- a/src/libgame/sdl.c +++ b/src/libgame/sdl.c @@ -30,7 +30,7 @@ static SDL_Window *sdl_window = NULL; static SDL_Renderer *sdl_renderer = NULL; static SDL_Texture *sdl_texture = NULL; -#define USE_RENDERER 1 +#define USE_RENDERER TRUE #endif /* stuff needed to work around SDL/Windows fullscreen drawing bug */ @@ -56,6 +56,9 @@ static void UpdateScreen(SDL_Rect *rect) int bytes_x = screen->pitch / video.width; int bytes_y = screen->pitch; + if (video.fullscreen_enabled) + bytes_x = screen->pitch / fullscreen_width; + SDL_UpdateTexture(sdl_texture, rect, screen->pixels + rect->x * bytes_x + rect->y * bytes_y, screen->pitch); @@ -81,6 +84,14 @@ static void UpdateScreen(SDL_Rect *rect) static void setFullscreenParameters(char *fullscreen_mode_string) { +#if defined(TARGET_SDL2) + fullscreen_width = video.width; + fullscreen_height = video.height; + fullscreen_xoffset = 0; + fullscreen_yoffset = 0; + +#else + struct ScreenModeInfo *fullscreen_mode; int i; @@ -103,6 +114,7 @@ static void setFullscreenParameters(char *fullscreen_mode_string) break; } } +#endif } static void SDLSetWindowIcon(char *basename) @@ -175,6 +187,7 @@ void SDLInitVideoDisplay(void) void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, boolean fullscreen) { +#if !defined(TARGET_SDL2) static int screen_xy[][2] = { { 640, 480 }, @@ -182,7 +195,9 @@ void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, { 1024, 768 }, { -1, -1 } }; - SDL_Rect **modes; +#endif + SDL_Rect **modes = NULL; + boolean hardware_fullscreen_available = TRUE; int i, j; /* default: normal game window size */ @@ -191,6 +206,8 @@ void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, fullscreen_xoffset = 0; fullscreen_yoffset = 0; +#if !defined(TARGET_SDL2) + /* determine required standard fullscreen mode for game screen size */ for (i = 0; screen_xy[i][0] != -1; i++) { if (screen_xy[i][0] >= video.width && screen_xy[i][1] >= video.height) @@ -204,6 +221,7 @@ void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, fullscreen_xoffset = (fullscreen_width - video.width) / 2; fullscreen_yoffset = (fullscreen_height - video.height) / 2; +#endif #if 1 checked_free(video.fullscreen_modes); @@ -212,18 +230,44 @@ void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, video.fullscreen_mode_current = NULL; #endif -#if !defined(TARGET_SDL2) + video.window_scaling_percent = setup.window_scaling_percent; + +#if defined(TARGET_SDL2) + int num_displays = SDL_GetNumVideoDisplays(); + + if (num_displays > 0) + { + // currently only display modes of first display supported + int num_modes = SDL_GetNumDisplayModes(0); + + if (num_modes > 0) + { + modes = checked_calloc((num_modes + 1) * sizeof(SDL_Rect *)); + + for (i = 0; i < num_modes; i++) + { + SDL_DisplayMode mode; + + if (SDL_GetDisplayMode(0, i, &mode) < 0) + break; + + modes[i] = checked_calloc(sizeof(SDL_Rect)); + + modes[i]->w = mode.w; + modes[i]->h = mode.h; + } + } + } +#else /* get available hardware supported fullscreen modes */ modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE); -#else - // (for now, no display modes in SDL2 -- change this later) - modes = NULL; #endif if (modes == NULL) { - /* no screen modes available => no fullscreen mode support */ - video.fullscreen_available = FALSE; + /* no hardware screen modes available => no fullscreen mode support */ + // video.fullscreen_available = FALSE; + hardware_fullscreen_available = FALSE; } else if (modes == (SDL_Rect **)-1) { @@ -242,7 +286,7 @@ void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, /* in this case, a certain number of screen modes is available */ int num_modes = 0; - for(i = 0; modes[i] != NULL; i++) + for (i = 0; modes[i] != NULL; i++) { boolean found_mode = FALSE; @@ -277,10 +321,29 @@ void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, if (num_modes == 0) { /* no appropriate screen modes available => no fullscreen mode support */ - video.fullscreen_available = FALSE; + // video.fullscreen_available = FALSE; + hardware_fullscreen_available = FALSE; } } + video.fullscreen_available = hardware_fullscreen_available; + +#if USE_DESKTOP_FULLSCREEN + // in SDL 2.0, there is always support for desktop fullscreen mode + // (in SDL 1.2, there is only support for "real" fullscreen mode) + video.fullscreen_available = TRUE; +#endif + +#if defined(TARGET_SDL2) + if (modes) + { + for (i = 0; modes[i] != NULL; i++) + checked_free(modes[i]); + + checked_free(modes); + } +#endif + #if 0 /* set window icon */ SDLSetWindowIcon(program.sdl_icon_filename); @@ -324,9 +387,190 @@ void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, #endif } +static SDL_Surface *SDLCreateScreen(DrawBuffer **backbuffer, + boolean fullscreen) +{ + SDL_Surface *new_surface = NULL; + static boolean fullscreen_enabled = FALSE; + +#if defined(TARGET_SDL2) + int surface_flags_window = SURFACE_FLAGS | SDL_WINDOW_RESIZABLE; +#if USE_DESKTOP_FULLSCREEN + int surface_flags_fullscreen = SURFACE_FLAGS | SDL_WINDOW_FULLSCREEN_DESKTOP; +#else + int surface_flags_fullscreen = SURFACE_FLAGS | SDL_WINDOW_FULLSCREEN; +#endif + +#else + int surface_flags_window = SURFACE_FLAGS; + int surface_flags_fullscreen = SURFACE_FLAGS | SDL_FULLSCREEN; +#endif + + int width = (fullscreen ? fullscreen_width : video.width); + int height = (fullscreen ? fullscreen_height : video.height); + int surface_flags = (fullscreen ? surface_flags_fullscreen : + surface_flags_window); + + // default window size is unscaled + video.window_width = video.width; + video.window_height = video.height; + +#if defined(TARGET_SDL2) + + // store if initial screen mode on game start is fullscreen mode + if (sdl_window == NULL) + { +#if 0 + printf("::: GAME STARTS WITH FULLSCREEN %d\n", fullscreen); +#endif + + video.fullscreen_initial = fullscreen; + } + +#if USE_RENDERER + float window_scaling_factor = (float)setup.window_scaling_percent / 100; +#if !USE_DESKTOP_FULLSCREEN + float screen_scaling_factor = (fullscreen ? 1 : window_scaling_factor); +#endif + + video.window_width = window_scaling_factor * width; + video.window_height = window_scaling_factor * height; + +#if 0 + printf("::: use window scaling factor %f\n", screen_scaling_factor); +#endif + + if ((*backbuffer)->surface) + { + SDL_FreeSurface((*backbuffer)->surface); + (*backbuffer)->surface = NULL; + } + + if (sdl_texture) + { + SDL_DestroyTexture(sdl_texture); + sdl_texture = NULL; + } + + if (!(fullscreen && fullscreen_enabled)) + { + if (sdl_renderer) + { + SDL_DestroyRenderer(sdl_renderer); + sdl_renderer = NULL; + } + + if (sdl_window) + { + SDL_DestroyWindow(sdl_window); + sdl_window = NULL; + } + } + +#if 0 + Error(ERR_INFO, "::: checking 'sdl_window' ..."); + + if (sdl_window == NULL) + Error(ERR_INFO, "::: calling SDL_CreateWindow() [%d, %d, %d] ...", + setup.fullscreen, fullscreen, fullscreen_enabled); +#endif + + if (sdl_window == NULL) + sdl_window = SDL_CreateWindow(program.window_title, + SDL_WINDOWPOS_CENTERED, + SDL_WINDOWPOS_CENTERED, +#if USE_DESKTOP_FULLSCREEN + video.window_width, + video.window_height, +#else + (int)(screen_scaling_factor * width), + (int)(screen_scaling_factor * height), +#endif + surface_flags); + + if (sdl_window != NULL) + { + if (sdl_renderer == NULL) + sdl_renderer = SDL_CreateRenderer(sdl_window, -1, 0); + + if (sdl_renderer != NULL) + { + SDL_RenderSetLogicalSize(sdl_renderer, width, height); + SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); + + sdl_texture = SDL_CreateTexture(sdl_renderer, + SDL_PIXELFORMAT_ARGB8888, + SDL_TEXTUREACCESS_STREAMING, + width, height); + + if (sdl_texture != NULL) + { +#if 1 + // (do not use alpha channel) + new_surface = SDL_CreateRGBSurface(0, width, height, 32, + 0x00FF0000, + 0x0000FF00, + 0x000000FF, + 0x00000000); +#else + // (this uses an alpha channel, which we don't want here) + new_surface = SDL_CreateRGBSurface(0, width, height, 32, + 0x00FF0000, + 0x0000FF00, + 0x000000FF, + 0xFF000000); +#endif + + if (new_surface == NULL) + Error(ERR_WARN, "SDL_CreateRGBSurface() failed: %s", + SDL_GetError()); + } + else + { + Error(ERR_WARN, "SDL_CreateTexture() failed: %s", SDL_GetError()); + } + } + else + { + Error(ERR_WARN, "SDL_CreateRenderer() failed: %s", SDL_GetError()); + } + } + else + { + Error(ERR_WARN, "SDL_CreateWindow() failed: %s", SDL_GetError()); + } + +#else + + if (sdl_window) + SDL_DestroyWindow(sdl_window); + + sdl_window = SDL_CreateWindow(program.window_title, + SDL_WINDOWPOS_CENTERED, + SDL_WINDOWPOS_CENTERED, + width, height, + surface_flags); + + if (sdl_window != NULL) + new_surface = SDL_GetWindowSurface(sdl_window); +#endif + +#else + new_surface = SDL_SetVideoMode(width, height, video.depth, surface_flags); +#endif + + // store fullscreen state ("video.fullscreen_enabled" may not reflect this!) + if (new_surface != NULL) + fullscreen_enabled = fullscreen; + + return new_surface; +} + boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) { boolean success = TRUE; +#if 1 +#else #if defined(TARGET_SDL2) // int surface_flags_fullscreen = SURFACE_FLAGS | SDL_WINDOW_FULLSCREEN; int surface_flags_fullscreen = SURFACE_FLAGS | SDL_WINDOW_FULLSCREEN_DESKTOP; @@ -334,6 +578,7 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) #else int surface_flags_fullscreen = SURFACE_FLAGS | SDL_FULLSCREEN; int surface_flags_window = SURFACE_FLAGS; +#endif #endif SDL_Surface *new_surface = NULL; @@ -352,6 +597,10 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) video_yoffset = fullscreen_yoffset; /* switch display to fullscreen mode, if available */ +#if 1 + new_surface = SDLCreateScreen(backbuffer, TRUE); +#else + #if defined(TARGET_SDL2) sdl_window = SDL_CreateWindow(program.window_title, SDL_WINDOWPOS_CENTERED, @@ -368,6 +617,7 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) #else new_surface = SDL_SetVideoMode(fullscreen_width, fullscreen_height, video.depth, surface_flags_fullscreen); +#endif #endif if (new_surface == NULL) @@ -397,19 +647,35 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) video_yoffset = 0; /* switch display to window mode */ +#if 1 + new_surface = SDLCreateScreen(backbuffer, FALSE); +#else + #if defined(TARGET_SDL2) #if USE_RENDERER - float scale_factor = 1.2; + float screen_scaling_factor = 1.2; int test_fullscreen = 0; int surface_flags = (test_fullscreen ? surface_flags_fullscreen : surface_flags_window); + if ((*backbuffer)->surface) + SDL_FreeSurface((*backbuffer)->surface); + + if (sdl_texture) + SDL_DestroyTexture(sdl_texture); + + if (sdl_renderer) + SDL_DestroyRenderer(sdl_renderer); + + if (sdl_window) + SDL_DestroyWindow(sdl_window); + sdl_window = SDL_CreateWindow(program.window_title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, - (int)(scale_factor * video.width), - (int)(scale_factor * video.height), + (int)(screen_scaling_factor * video.width), + (int)(screen_scaling_factor * video.height), surface_flags); if (sdl_window != NULL) @@ -444,8 +710,6 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) 0xFF000000); #endif - printf("::: pitch == %d\n", new_surface->pitch); - if (new_surface == NULL) Error(ERR_WARN, "SDL_CreateRGBSurface() failed: %s", SDL_GetError()); @@ -464,7 +728,12 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) { Error(ERR_WARN, "SDL_CreateWindow() failed: %s", SDL_GetError()); } + #else + + if (sdl_window) + SDL_DestroyWindow(sdl_window); + sdl_window = SDL_CreateWindow(program.window_title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, @@ -483,6 +752,7 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) #else new_surface = SDL_SetVideoMode(video.width, video.height, video.depth, surface_flags_window); +#endif #endif if (new_surface == NULL) @@ -497,13 +767,15 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) (*backbuffer)->surface = new_surface; video.fullscreen_enabled = FALSE; + video.window_scaling_percent = setup.window_scaling_percent; success = TRUE; } } #if defined(TARGET_SDL2) - UpdateScreen(NULL); // map window + SDLRedrawWindow(); // map window + // UpdateScreen(NULL); // map window #endif #if 1 @@ -524,10 +796,72 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen) #endif #endif - return success; } +#if defined(TARGET_SDL2) +void SDLSetWindowScaling(int window_scaling_percent) +{ + if (sdl_window == NULL) + return; + + float window_scaling_factor = (float)window_scaling_percent / 100; + int new_window_width = (int)(window_scaling_factor * video.width); + int new_window_height = (int)(window_scaling_factor * video.height); + +#if 0 + Error(ERR_DEBUG, "::: SDLSetWindowScaling(%d) ...", window_scaling_percent); +#endif + + SDL_SetWindowSize(sdl_window, new_window_width, new_window_height); + + video.window_scaling_percent = window_scaling_percent; + video.window_width = new_window_width; + video.window_height = new_window_height; +} + +void SDLSetWindowFullscreen(boolean fullscreen) +{ + if (sdl_window == NULL) + return; + +#if USE_DESKTOP_FULLSCREEN + int flags = (fullscreen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0); +#else + int flags = (fullscreen ? SDL_WINDOW_FULLSCREEN : 0); +#endif + +#if 0 + Error(ERR_DEBUG, "::: SDL_SetWindowFullscreen(%d) ...", fullscreen); +#endif + + if (SDL_SetWindowFullscreen(sdl_window, flags) == 0) + video.fullscreen_enabled = fullscreen; + +#if 0 + printf("::: SDLSetWindowFullscreen: %d, %d\n", + fullscreen, video.fullscreen_initial); +#endif + +#if 1 + // if game started in fullscreen mode, window will also get fullscreen size + if (!fullscreen && video.fullscreen_initial) + { + SDLSetWindowScaling(setup.window_scaling_percent); + SDL_SetWindowPosition(sdl_window, + SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED); + + video.fullscreen_initial = FALSE; + } +#endif +} + +void SDLRedrawWindow() +{ + UpdateScreen(NULL); +} +#endif + void SDLCreateBitmapContent(Bitmap *new_bitmap, int width, int height, int depth) {