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emscripten: use MAIN_THREAD_EM_ASM for the fb/cursor proxying

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This is how everything else was handled and fixes undefined symbol
errors in non-threads builds.
This commit is contained in:
Charlie Birks
2022-06-08 14:20:50 +01:00
committed by Sam Lantinga
parent b9c2ad8395
commit 0fcfaf9e94
2 changed files with 26 additions and 64 deletions
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39
src/video/emscripten/SDL_emscriptenframebuffer.c
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@@ -59,10 +59,19 @@ int Emscripten_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * form
return 0;
}
static void
Emscripten_UpdateWindowFramebufferWorker(SDL_Surface* surface)
int Emscripten_UpdateWindowFramebuffer(_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects)
{
EM_ASM_INT({
SDL_Surface *surface;
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
surface = data->surface;
if (!surface) {
return SDL_SetError("Couldn't find framebuffer surface for window");
}
/* Send the data to the display */
MAIN_THREAD_EM_ASM({
var w = $0;
var h = $1;
var pixels = $2;
@@ -147,31 +156,7 @@ Emscripten_UpdateWindowFramebufferWorker(SDL_Surface* surface)
}
SDL2.ctx.putImageData(SDL2.image, 0, 0);
return 0;
}, surface->w, surface->h, surface->pixels);
}
int Emscripten_UpdateWindowFramebuffer(_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects)
{
SDL_Surface *surface;
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
surface = data->surface;
if (!surface) {
return SDL_SetError("Couldn't find framebuffer surface for window");
}
/* Send the data to the display */
if (emscripten_is_main_runtime_thread()) {
Emscripten_UpdateWindowFramebufferWorker(surface);
} else {
emscripten_sync_run_in_main_runtime_thread(
EM_FUNC_SIG_VI,
Emscripten_UpdateWindowFramebufferWorker,
(uint32_t)surface
);
}
if (emscripten_has_asyncify() && SDL_GetHintBoolean(SDL_HINT_EMSCRIPTEN_ASYNCIFY, SDL_TRUE)) {
/* give back control to browser for screen refresh */