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Initial merge of Emscripten port!

Browse source 
With this commit, you can compile SDL2 with Emscripten
( http://emscripten.org/ ), and make your SDL-based C/C++ program
into a web app.

This port was due to the efforts of several people, including: Charlie Birks,
Sathyanarayanan Gunasekaran, Jukka Jyl?nki, Alon Zakai, Edward Rudd,
Bruce Mitchener, and Martin Gerhardy. (Thanks, everyone!)
This commit is contained in:
Ryan C. Gordon 2014-12-18 00:19:52 -05:00
parent a228b67d88
commit fe40a17224
61 changed files with 4047 additions and 600 deletions
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64
test/teststreaming.c
View file

@ -18,6 +18,10 @@
#include <stdlib.h>
#include <stdio.h>
#ifdef __EMSCRIPTEN__
#include <emscripten/emscripten.h>
#endif
#include "SDL.h"
#define MOOSEPIC_W 64
@ -52,6 +56,11 @@ SDL_Color MooseColors[84] = {
Uint8 MooseFrames[MOOSEFRAMES_COUNT][MOOSEFRAME_SIZE];
SDL_Renderer *renderer;
int frame;
SDL_Texture *MooseTexture;
SDL_bool done = SDL_FALSE;
void quit(int rc)
{
SDL_Quit();
@ -82,16 +91,37 @@ void UpdateTexture(SDL_Texture *texture, int frame)
SDL_UnlockTexture(texture);
}
void
loop()
{
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_ESCAPE) {
done = SDL_TRUE;
}
break;
case SDL_QUIT:
done = SDL_TRUE;
break;
}
}
frame = (frame + 1) % MOOSEFRAMES_COUNT;
UpdateTexture(MooseTexture, frame);
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, MooseTexture, NULL, NULL);
SDL_RenderPresent(renderer);
}
int
main(int argc, char **argv)
{
SDL_Window *window;
SDL_Renderer *renderer;
SDL_RWops *handle;
SDL_Texture *MooseTexture;
SDL_Event event;
SDL_bool done = SDL_FALSE;
int frame;
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
@ -136,27 +166,15 @@ main(int argc, char **argv)
/* Loop, waiting for QUIT or the escape key */
frame = 0;
#ifdef __EMSCRIPTEN__
emscripten_set_main_loop(loop, 0, 1);
#else
while (!done) {
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_ESCAPE) {
done = SDL_TRUE;
}
break;
case SDL_QUIT:
done = SDL_TRUE;
break;
}
loop();
}
#endif
frame = (frame + 1) % MOOSEFRAMES_COUNT;
UpdateTexture(MooseTexture, frame);
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, MooseTexture, NULL, NULL);
SDL_RenderPresent(renderer);
}
SDL_DestroyRenderer(renderer);
quit(0);