Changeset bdd5a63 in buchla-emu for emu/sdl.c

Timestamp:

08/01/2017 10:32:52 PM (7 years ago)

Author:

Thomas Lopatic <thomas@…>

Branches:

master

Children:

6e313dd

Parents:

ea878ba

Message:

Separate thread for rendering.

File:

• emu/sdl.c (modified) (1 diff)

emu/sdl.c

@@ -51 +51 @@
         SDL_Quit();
 }
+
+void sdl_loop(void)
+{
+        inf("entering SDL loop");
+
+#if defined EMU_LINUX
+        SDL_Scancode down = SDL_SCANCODE_UNKNOWN;
+#endif
+
+        while (SDL_AtomicGet(&run) != 0) {
+                ser_sdl();
+
+                SDL_Event ev;
+
+                while (SDL_PollEvent(&ev) > 0) {
+#if defined EMU_LINUX
+                        // Work around duplicate key-down events on Linux.
+
+                        if (ev.type == SDL_KEYDOWN) {
+                                if (down == ev.key.keysym.scancode) {
+                                        continue;
+                                }
+
+                                down = ev.key.keysym.scancode;
+                        }
+                        else if (ev.type == SDL_KEYUP) {
+                                down = SDL_SCANCODE_UNKNOWN;
+                        }
+#endif
+
+                        if (ev.type == SDL_QUIT ||
+                                        (ev.type == SDL_KEYDOWN && ev.key.keysym.sym == SDLK_ESCAPE)) {
+                                ver("quit");
+                                SDL_AtomicSet(&run, 0);
+                                continue;
+                        }
+
+                        if (ev.type == SDL_TEXTINPUT) {
+                                ser_text(&ev.text);
+                                continue;
+                        }
+
+                        if (ev.type == SDL_KEYDOWN) {
+                                ser_key(&ev.key);
+                                continue;
+                        }
+
+                        SDL_Delay(50);
+                }
+        }
+
+        inf("leaving SDL loop");
+}