X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsdl.c;h=786368d28d1f0264e30d6577a51ee0eb66fefb1e;hb=62572d0307801a383a7d88b3573f86bbfc1b9a40;hp=327d20b5be58a33ef9d664a594d4ae13dde4e73d;hpb=8b685a52cd9bdf6ad20d1fb6e4c8f8d70c99603e;p=rocksndiamonds.git diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c index 327d20b5..786368d2 100644 --- a/src/libgame/sdl.c +++ b/src/libgame/sdl.c @@ -24,9 +24,18 @@ /* SDL internal variables */ #if defined(TARGET_SDL2) +#define USE_TARGET_TEXTURE TRUE +#define USE_TARGET_TEXTURE_ONLY FALSE + static SDL_Window *sdl_window = NULL; static SDL_Renderer *sdl_renderer = NULL; +#if USE_TARGET_TEXTURE +static SDL_Texture *sdl_texture_stream = NULL; +static SDL_Texture *sdl_texture_target = NULL; +#else static SDL_Texture *sdl_texture = NULL; +#endif +static boolean fullscreen_enabled = FALSE; #define USE_RENDERER TRUE #endif @@ -52,7 +61,8 @@ void SDLLimitScreenUpdates(boolean enable) static void UpdateScreen(SDL_Rect *rect) { static unsigned int update_screen_delay = 0; - unsigned int update_screen_delay_value = 20; /* (milliseconds) */ + unsigned int update_screen_delay_value = 50; /* (milliseconds) */ + SDL_Surface *screen = backbuffer->surface; if (limit_screen_updates && !DelayReached(&update_screen_delay, update_screen_delay_value)) @@ -60,10 +70,62 @@ static void UpdateScreen(SDL_Rect *rect) LimitScreenUpdates(FALSE); +#if 0 + { + static int LastFrameCounter = 0; + boolean changed = (FrameCounter != LastFrameCounter); + + printf("::: FrameCounter == %d [%s]\n", FrameCounter, + (changed ? "-" : "SAME FRAME UPDATED")); + + LastFrameCounter = FrameCounter; + + /* + if (FrameCounter % 2) + return; + */ + } +#endif + +#if USE_FINAL_SCREEN_BITMAP + if (gfx.final_screen_bitmap != NULL) // may not be initialized yet + { + // !!! TEST !!! + // draw global animations using bitmaps instead of using textures + // to prevent texture scaling artefacts (this is potentially slower) + + BlitBitmap(backbuffer, gfx.final_screen_bitmap, 0, 0, + gfx.win_xsize, gfx.win_ysize, 0, 0); + + // copy global animations to render target buffer, if defined (below border) + if (gfx.draw_global_anim_function != NULL) + gfx.draw_global_anim_function(DRAW_GLOBAL_ANIM_STAGE_1); + + // copy global masked border to render target buffer, if defined + if (gfx.draw_global_border_function != NULL) + gfx.draw_global_border_function(DRAW_BORDER_TO_SCREEN); + + // copy global animations to render target buffer, if defined (above border) + if (gfx.draw_global_anim_function != NULL) + gfx.draw_global_anim_function(DRAW_GLOBAL_ANIM_STAGE_2); + + screen = gfx.final_screen_bitmap->surface; + + // force full window redraw + rect = NULL; + } +#endif + +#if USE_TARGET_TEXTURE +#if USE_TARGET_TEXTURE_ONLY + SDL_Texture *sdl_texture = sdl_texture_target; +#else + SDL_Texture *sdl_texture = sdl_texture_stream; +#endif +#endif + #if defined(TARGET_SDL2) #if USE_RENDERER - SDL_Surface *screen = backbuffer->surface; - if (rect) { int bytes_x = screen->pitch / video.width; @@ -80,10 +142,45 @@ static void UpdateScreen(SDL_Rect *rect) { SDL_UpdateTexture(sdl_texture, NULL, screen->pixels, screen->pitch); } + + // clear render target buffer SDL_RenderClear(sdl_renderer); + +#if USE_TARGET_TEXTURE + SDL_SetRenderTarget(sdl_renderer, sdl_texture_target); + + // copy backbuffer to render target buffer + if (sdl_texture != sdl_texture_target) + SDL_RenderCopy(sdl_renderer, sdl_texture, NULL, NULL); +#else + // copy backbuffer to render target buffer SDL_RenderCopy(sdl_renderer, sdl_texture, NULL, NULL); +#endif + +#if !USE_FINAL_SCREEN_BITMAP + // copy global animations to render target buffer, if defined (below border) + if (gfx.draw_global_anim_function != NULL) + gfx.draw_global_anim_function(DRAW_GLOBAL_ANIM_STAGE_1); + + // copy global masked border to render target buffer, if defined + if (gfx.draw_global_border_function != NULL) + gfx.draw_global_border_function(DRAW_BORDER_TO_SCREEN); + + // copy global animations to render target buffer, if defined (above border) + if (gfx.draw_global_anim_function != NULL) + gfx.draw_global_anim_function(DRAW_GLOBAL_ANIM_STAGE_2); +#endif + +#if USE_TARGET_TEXTURE + SDL_SetRenderTarget(sdl_renderer, NULL); + SDL_RenderCopy(sdl_renderer, sdl_texture_target, NULL, NULL); +#endif + + // show render target buffer on screen SDL_RenderPresent(sdl_renderer); + #else + if (rect) SDL_UpdateWindowSurfaceRects(sdl_window, rect, 1); else @@ -92,9 +189,9 @@ static void UpdateScreen(SDL_Rect *rect) #else // TARGET_SDL if (rect) - SDL_UpdateRects(backbuffer->surface, 1, rect); + SDL_UpdateRects(screen, 1, rect); else - SDL_UpdateRect(backbuffer->surface, 0, 0, 0, 0); + SDL_UpdateRect(screen, 0, 0, 0, 0); #endif } @@ -210,15 +307,23 @@ boolean SDLSetNativeSurface(SDL_Surface **surface) SDL_Surface *SDLGetNativeSurface(SDL_Surface *surface) { + SDL_PixelFormat format; SDL_Surface *new_surface; if (surface == NULL) return NULL; if (backbuffer && backbuffer->surface) - new_surface = SDL_ConvertSurface(surface, backbuffer->surface->format, 0); + { + format = *backbuffer->surface->format; + format.Amask = surface->format->Amask; // keep alpha channel + } else - new_surface = SDL_ConvertSurface(surface, surface->format, 0); + { + format = *surface->format; + } + + new_surface = SDL_ConvertSurface(surface, &format, 0); if (new_surface == NULL) Error(ERR_EXIT, "SDL_ConvertSurface() failed: %s", SDL_GetError()); @@ -268,6 +373,51 @@ SDL_Surface *SDLGetNativeSurface(SDL_Surface *surface) #endif +#if defined(TARGET_SDL2) +static SDL_Texture *SDLCreateTextureFromSurface(SDL_Surface *surface) +{ + SDL_Texture *texture = SDL_CreateTextureFromSurface(sdl_renderer, surface); + + if (texture == NULL) + Error(ERR_EXIT, "SDL_CreateTextureFromSurface() failed: %s", + SDL_GetError()); + + return texture; +} +#endif + +void SDLCreateBitmapTextures(Bitmap *bitmap) +{ +#if defined(TARGET_SDL2) + if (bitmap == NULL) + return; + + if (bitmap->texture) + SDL_DestroyTexture(bitmap->texture); + if (bitmap->texture_masked) + SDL_DestroyTexture(bitmap->texture_masked); + + bitmap->texture = SDLCreateTextureFromSurface(bitmap->surface); + bitmap->texture_masked = SDLCreateTextureFromSurface(bitmap->surface_masked); +#endif +} + +void SDLFreeBitmapTextures(Bitmap *bitmap) +{ +#if defined(TARGET_SDL2) + if (bitmap == NULL) + return; + + if (bitmap->texture) + SDL_DestroyTexture(bitmap->texture); + if (bitmap->texture_masked) + SDL_DestroyTexture(bitmap->texture_masked); + + bitmap->texture = NULL; + bitmap->texture_masked = NULL; +#endif +} + void SDLInitVideoDisplay(void) { #if !defined(TARGET_SDL2) @@ -454,7 +604,7 @@ void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window, /* !!! SDL2 can only set the window icon if the window already exists !!! */ /* set window icon */ - SDLSetWindowIcon(program.sdl_icon_filename); + SDLSetWindowIcon(program.icon_filename); /* set window and icon title */ #if defined(TARGET_SDL2) @@ -486,7 +636,6 @@ static SDL_Surface *SDLCreateScreen(DrawBuffer **backbuffer, SDL_Surface *new_surface = NULL; #if defined(TARGET_SDL2) - static boolean fullscreen_enabled = FALSE; int surface_flags_window = SURFACE_FLAGS | SDL_WINDOW_RESIZABLE; #if USE_DESKTOP_FULLSCREEN int surface_flags_fullscreen = SURFACE_FLAGS | SDL_WINDOW_FULLSCREEN_DESKTOP; @@ -510,9 +659,8 @@ static SDL_Surface *SDLCreateScreen(DrawBuffer **backbuffer, #if defined(TARGET_SDL2) - // store if initial screen mode on game start is fullscreen mode - if (sdl_window == NULL) - video.fullscreen_initial = fullscreen; + // store if initial screen mode is fullscreen mode when changing screen size + video.fullscreen_initial = fullscreen; #if USE_RENDERER float window_scaling_factor = (float)setup.window_scaling_percent / 100; @@ -529,11 +677,25 @@ static SDL_Surface *SDLCreateScreen(DrawBuffer **backbuffer, (*backbuffer)->surface = NULL; } +#if USE_TARGET_TEXTURE + if (sdl_texture_stream) + { + SDL_DestroyTexture(sdl_texture_stream); + sdl_texture_stream = NULL; + } + + if (sdl_texture_target) + { + SDL_DestroyTexture(sdl_texture_target); + sdl_texture_target = NULL; + } +#else if (sdl_texture) { SDL_DestroyTexture(sdl_texture); sdl_texture = NULL; } +#endif if (!(fullscreen && fullscreen_enabled)) { @@ -583,12 +745,29 @@ static SDL_Surface *SDLCreateScreen(DrawBuffer **backbuffer, // SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, setup.window_scaling_quality); +#if USE_TARGET_TEXTURE + sdl_texture_stream = SDL_CreateTexture(sdl_renderer, + SDL_PIXELFORMAT_ARGB8888, + SDL_TEXTUREACCESS_STREAMING, + width, height); + + sdl_texture_target = SDL_CreateTexture(sdl_renderer, + SDL_PIXELFORMAT_ARGB8888, + SDL_TEXTUREACCESS_TARGET, + width, height); +#else sdl_texture = SDL_CreateTexture(sdl_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, width, height); +#endif +#if USE_TARGET_TEXTURE + if (sdl_texture_stream != NULL && + sdl_texture_target != NULL) +#else if (sdl_texture != NULL) +#endif { // use SDL default values for RGB masks and no alpha channel new_surface = SDL_CreateRGBSurface(0, width, height, 32, 0,0,0, 0); @@ -782,6 +961,42 @@ void SDLSetWindowScaling(int window_scaling_percent) void SDLSetWindowScalingQuality(char *window_scaling_quality) { +#if USE_TARGET_TEXTURE + SDL_Texture *new_texture; + + if (sdl_texture_stream == NULL || + sdl_texture_target == NULL) + return; + + SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, window_scaling_quality); + + new_texture = SDL_CreateTexture(sdl_renderer, + SDL_PIXELFORMAT_ARGB8888, + SDL_TEXTUREACCESS_STREAMING, + video.width, video.height); + + if (new_texture != NULL) + { + SDL_DestroyTexture(sdl_texture_stream); + + sdl_texture_stream = new_texture; + } + + new_texture = SDL_CreateTexture(sdl_renderer, + SDL_PIXELFORMAT_ARGB8888, + SDL_TEXTUREACCESS_TARGET, + video.width, video.height); + + if (new_texture != NULL) + { + SDL_DestroyTexture(sdl_texture_target); + + sdl_texture_target = new_texture; + } + + SDLRedrawWindow(); + +#else if (sdl_texture == NULL) return; @@ -800,6 +1015,7 @@ void SDLSetWindowScalingQuality(char *window_scaling_quality) SDLRedrawWindow(); } +#endif video.window_scaling_quality = window_scaling_quality; } @@ -816,9 +1032,9 @@ void SDLSetWindowFullscreen(boolean fullscreen) #endif if (SDL_SetWindowFullscreen(sdl_window, flags) == 0) - video.fullscreen_enabled = fullscreen; + video.fullscreen_enabled = fullscreen_enabled = fullscreen; - // if game started in fullscreen mode, window will also get fullscreen size + // if screen size was changed in fullscreen mode, correct desktop window size if (!fullscreen && video.fullscreen_initial) { SDLSetWindowScaling(setup.window_scaling_percent); @@ -855,8 +1071,19 @@ void SDLFreeBitmapPointers(Bitmap *bitmap) SDL_FreeSurface(bitmap->surface); if (bitmap->surface_masked) SDL_FreeSurface(bitmap->surface_masked); + bitmap->surface = NULL; bitmap->surface_masked = NULL; + +#if defined(TARGET_SDL2) + if (bitmap->texture) + SDL_DestroyTexture(bitmap->texture); + if (bitmap->texture_masked) + SDL_DestroyTexture(bitmap->texture_masked); + + bitmap->texture = NULL; + bitmap->texture_masked = NULL; +#endif } void SDLCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap, @@ -910,6 +1137,37 @@ void SDLCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap, #endif } +void SDLBlitTexture(Bitmap *bitmap, + int src_x, int src_y, int width, int height, + int dst_x, int dst_y, int mask_mode) +{ +#if defined(TARGET_SDL2) +#if USE_RENDERER + SDL_Texture *texture; + SDL_Rect src_rect; + SDL_Rect dst_rect; + + texture = + (mask_mode == BLIT_MASKED ? bitmap->texture_masked : bitmap->texture); + + if (texture == NULL) + return; + + src_rect.x = src_x; + src_rect.y = src_y; + src_rect.w = width; + src_rect.h = height; + + dst_rect.x = dst_x; + dst_rect.y = dst_y; + dst_rect.w = width; + dst_rect.h = height; + + SDL_RenderCopy(sdl_renderer, texture, &src_rect, &dst_rect); +#endif +#endif +} + void SDLFillRectangle(Bitmap *dst_bitmap, int x, int y, int width, int height, Uint32 color) { @@ -949,10 +1207,9 @@ void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height, int fade_mode, int fade_delay, int post_delay, void (*draw_border_function)(void)) { - static boolean initialization_needed = TRUE; - static SDL_Surface *surface_source = NULL; - static SDL_Surface *surface_target = NULL; - static SDL_Surface *surface_black = NULL; + SDL_Surface *surface_source = gfx.fade_bitmap_source->surface; + SDL_Surface *surface_target = gfx.fade_bitmap_target->surface; + SDL_Surface *surface_black = gfx.fade_bitmap_black->surface; SDL_Surface *surface_screen = backbuffer->surface; SDL_Surface *surface_cross = (bitmap_cross ? bitmap_cross->surface : NULL); SDL_Rect src_rect, dst_rect; @@ -961,16 +1218,12 @@ void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height, int dst_x = x, dst_y = y; unsigned int time_last, time_current; - /* check if screen size has changed */ - if (surface_source != NULL && (video.width != surface_source->w || - video.height != surface_source->h)) - { - SDL_FreeSurface(surface_source); - SDL_FreeSurface(surface_target); - SDL_FreeSurface(surface_black); + // store function for drawing global masked border + void (*draw_global_border_function)(int) = gfx.draw_global_border_function; - initialization_needed = TRUE; - } + // deactivate drawing of global border while fading, if needed + if (draw_border_function == NULL) + gfx.draw_global_border_function = NULL; src_rect.x = src_x; src_rect.y = src_y; @@ -987,78 +1240,28 @@ void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height, dst_rect2 = dst_rect; - if (initialization_needed) - { -#if defined(TARGET_SDL2) - unsigned int flags = 0; -#else - unsigned int flags = SDL_SRCALPHA; - - /* use same surface type as screen surface */ - if ((surface_screen->flags & SDL_HWSURFACE)) - flags |= SDL_HWSURFACE; - else - flags |= SDL_SWSURFACE; -#endif - - /* create surface for temporary copy of screen buffer (source) */ - if ((surface_source = - SDL_CreateRGBSurface(flags, - video.width, - video.height, - surface_screen->format->BitsPerPixel, - surface_screen->format->Rmask, - surface_screen->format->Gmask, - surface_screen->format->Bmask, - surface_screen->format->Amask)) == NULL) - Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError()); - - /* create surface for cross-fading screen buffer (target) */ - if ((surface_target = - SDL_CreateRGBSurface(flags, - video.width, - video.height, - surface_screen->format->BitsPerPixel, - surface_screen->format->Rmask, - surface_screen->format->Gmask, - surface_screen->format->Bmask, - surface_screen->format->Amask)) == NULL) - Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError()); - - /* create black surface for fading from/to black */ - if ((surface_black = - SDL_CreateRGBSurface(flags, - video.width, - video.height, - surface_screen->format->BitsPerPixel, - surface_screen->format->Rmask, - surface_screen->format->Gmask, - surface_screen->format->Bmask, - surface_screen->format->Amask)) == NULL) - Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError()); - - /* completely fill the surface with black color pixels */ - SDL_FillRect(surface_black, NULL, - SDL_MapRGB(surface_screen->format, 0, 0, 0)); - - initialization_needed = FALSE; - } - /* copy source and target surfaces to temporary surfaces for fading */ if (fade_mode & FADE_TYPE_TRANSFORM) { SDL_BlitSurface(surface_cross, &src_rect, surface_source, &src_rect); SDL_BlitSurface(surface_screen, &dst_rect, surface_target, &src_rect); + + draw_global_border_function(DRAW_BORDER_TO_FADE_SOURCE); + draw_global_border_function(DRAW_BORDER_TO_FADE_TARGET); } else if (fade_mode & FADE_TYPE_FADE_IN) { SDL_BlitSurface(surface_black, &src_rect, surface_source, &src_rect); SDL_BlitSurface(surface_screen, &dst_rect, surface_target, &src_rect); + + draw_global_border_function(DRAW_BORDER_TO_FADE_TARGET); } else /* FADE_TYPE_FADE_OUT */ { SDL_BlitSurface(surface_screen, &dst_rect, surface_source, &src_rect); SDL_BlitSurface(surface_black, &src_rect, surface_target, &src_rect); + + draw_global_border_function(DRAW_BORDER_TO_FADE_SOURCE); } time_current = SDL_GetTicks(); @@ -1181,18 +1384,69 @@ void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height, if (draw_border_function != NULL) draw_border_function(); -#if defined(TARGET_SDL2) - // SDL_UpdateWindowSurface(sdl_window); - // SDL_UpdateWindowSurfaceRects(sdl_window, &dst_rect2, 1); UpdateScreen(&dst_rect2); + } + } + } + else if (fade_mode == FADE_MODE_CURTAIN) + { + float xx; + int xx_final; + int xx_size = width / 2; + + SDL_BlitSurface(surface_target, &src_rect, surface_screen, &dst_rect); +#if defined(TARGET_SDL2) + SDL_SetSurfaceBlendMode(surface_source, SDL_BLENDMODE_NONE); #else - // SDL_UpdateRect(surface_screen, dst_x, dst_y, width, height); - UpdateScreen(&dst_rect2); + SDL_SetAlpha(surface_source, 0, 0); /* disable alpha blending */ #endif + + for (xx = 0; xx < xx_size;) + { + time_last = time_current; + time_current = SDL_GetTicks(); + xx += xx_size * ((float)(time_current - time_last) / fade_delay); + xx_final = MIN(MAX(0, xx), xx_size); + + src_rect.x = src_x; + src_rect.y = src_y; + src_rect.w = width; + src_rect.h = height; + + dst_rect.x = dst_x; + dst_rect.y = dst_y; + + /* draw new (target) image to screen buffer */ + SDL_BlitSurface(surface_target, &src_rect, surface_screen, &dst_rect); + + if (xx_final < xx_size) + { + src_rect.w = xx_size - xx_final; + src_rect.h = height; + + /* draw old (source) image to screen buffer (left side) */ + + src_rect.x = src_x + xx_final; + dst_rect.x = dst_x; + + SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect); + + /* draw old (source) image to screen buffer (right side) */ + + src_rect.x = src_x + xx_size; + dst_rect.x = dst_x + xx_size + xx_final; + + SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect); } + + if (draw_border_function != NULL) + draw_border_function(); + + /* only update the region of the screen that is affected from fading */ + UpdateScreen(&dst_rect2); } } - else + else /* fading in, fading out or cross-fading */ { float alpha; int alpha_final; @@ -1224,7 +1478,27 @@ void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height, } } - Delay(post_delay); + if (post_delay > 0) + { + unsigned int time_post_delay; + + time_current = SDL_GetTicks(); + time_post_delay = time_current + post_delay; + + while (time_current < time_post_delay) + { + // do not wait longer than 10 ms at a time to be able to ... + Delay(MIN(10, time_post_delay - time_current)); + + // ... continue drawing global animations during post delay + UpdateScreen(NULL); + + time_current = SDL_GetTicks(); + } + } + + // restore function for drawing global masked border + gfx.draw_global_border_function = draw_global_border_function; } void SDLDrawSimpleLine(Bitmap *dst_bitmap, int from_x, int from_y, @@ -2231,8 +2505,9 @@ Bitmap *SDLLoadImage(char *filename) UPDATE_BUSY_STATE(); /* create native transparent surface for current image */ - SDL_SetColorKey(sdl_image_tmp, SET_TRANSPARENT_PIXEL, - SDL_MapRGB(sdl_image_tmp->format, 0x00, 0x00, 0x00)); + if (sdl_image_tmp->format->Amask == 0) + SDL_SetColorKey(sdl_image_tmp, SET_TRANSPARENT_PIXEL, + SDL_MapRGB(sdl_image_tmp->format, 0x00, 0x00, 0x00)); if ((new_bitmap->surface_masked = SDLGetNativeSurface(sdl_image_tmp)) == NULL) {