diff options
Diffstat (limited to 'render_sdl.c')
| -rwxr-xr-x | render_sdl.c | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/render_sdl.c b/render_sdl.c index 7175e23..05a0948 100755 --- a/render_sdl.c +++ b/render_sdl.c @@ -25,7 +25,9 @@ #define MAX_EVENT_POLL_PER_FRAME 2 static SDL_Window *main_window; +static SDL_Window **extra_windows; static SDL_Renderer *main_renderer; +static SDL_Renderer **extra_renderers; static SDL_Texture **sdl_textures; static uint8_t num_textures; static SDL_Rect main_clip; @@ -1035,6 +1037,7 @@ void window_setup(void) } } } + render_gl = 0; #ifndef DISABLE_OPENGL char *gl_enabled_str = tern_find_path_default(config, "video\0gl\0", def, TVAL_PTR).ptrval; @@ -1323,6 +1326,37 @@ void render_save_screenshot(char *path) screenshot_path = path; } +uint8_t render_create_window(char *caption, uint32_t width, uint32_t height) +{ + num_textures++; + sdl_textures = realloc(sdl_textures, num_textures * sizeof(*sdl_textures)); + extra_windows = realloc(extra_windows, (num_textures - FRAMEBUFFER_USER_START) * sizeof(*extra_windows)); + extra_renderers = realloc(extra_renderers, (num_textures - FRAMEBUFFER_USER_START) * sizeof(*extra_renderers)); + uint8_t win_idx = num_textures - FRAMEBUFFER_USER_START - 1; + extra_windows[win_idx] = SDL_CreateWindow(caption, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, 0); + if (!extra_windows[win_idx]) { + goto fail_window; + } + extra_renderers[win_idx] = SDL_CreateRenderer(extra_windows[win_idx], -1, SDL_RENDERER_ACCELERATED); + if (!extra_renderers[win_idx]) { + goto fail_renderer; + } + uint8_t texture_idx = num_textures-1; + sdl_textures[texture_idx] = SDL_CreateTexture(extra_renderers[win_idx], SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, width, height); + if (!sdl_textures[texture_idx]) { + goto fail_texture; + } + return texture_idx; + +fail_texture: + SDL_DestroyRenderer(extra_renderers[win_idx]); +fail_renderer: + SDL_DestroyWindow(extra_windows[win_idx]); +fail_window: + num_textures--; + return 0; +} + uint32_t *locked_pixels; uint32_t locked_pitch; uint32_t *render_get_framebuffer(uint8_t which, int *pitch) @@ -1467,7 +1501,12 @@ void render_framebuffer_updated(uint8_t which, int width) } #endif last_height = height; - render_update_display(); + if (which <= FRAMEBUFFER_EVEN) { + render_update_display(); + } else { + SDL_RenderCopy(extra_renderers[which - FRAMEBUFFER_USER_START], sdl_textures[which], NULL, NULL); + SDL_RenderPresent(extra_renderers[which - FRAMEBUFFER_USER_START]); + } if (screenshot_file) { fclose(screenshot_file); } @@ -1835,3 +1874,17 @@ uint8_t render_has_gl(void) { return render_gl; } + +uint8_t render_get_active_framebuffer(void) +{ + if (SDL_GetWindowFlags(main_window) & SDL_WINDOW_INPUT_FOCUS) { + return FRAMEBUFFER_ODD; + } + for (int i = 0; i < num_textures - 2; i++) + { + if (extra_windows[i] && (SDL_GetWindowFlags(extra_windows[i]) & SDL_WINDOW_INPUT_FOCUS)) { + return FRAMEBUFFER_USER_START + i; + } + } + return 0xFF; +} |