support for generating html in emcc, and a test for that that also tests SDL, and some fixes for SDL

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/hello_world_sdl.cpp b/tests/hello_world_sdl.cpp
new file mode 100644
index 00000000..a317c0c5
--- /dev/null
+++ b/tests/hello_world_sdl.cpp
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <SDL/SDL.h>
+
+
+int main() {
+  printf("hello, world!\n");
+
+  SDL_Init(SDL_INIT_VIDEO);
+  SDL_Surface *screen = SDL_SetVideoMode(256, 256, 32, SDL_SWSURFACE);
+
+  SDL_LockSurface(screen);
+  for (int i = 0; i < 256; i++) {
+    for (int j = 0; j < 256; j++) {
+      *((char*)screen->pixels + i*256*4 + j*4 + 0) = i;
+      *((char*)screen->pixels + i*256*4 + j*4 + 1) = j;
+      *((char*)screen->pixels + i*256*4 + j*4 + 2) = 255-i;
+      *((char*)screen->pixels + i*256*4 + j*4 + 3) = 255;
+    }
+  }
+  SDL_UnlockSurface(screen);
+  SDL_Flip(screen); 
+
+  printf("you should see a colored cube.");
+
+  // SDL_Quit(); // Don't call SDL_Quit so that the canvas is not cleared
+
+  return 0;
+}
+