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// Copyright 2017 The Emscripten Authors. All rights reserved.
// Emscripten is available under two separate licenses, the MIT license and the
// University of Illinois/NCSA Open Source License. Both these licenses can be
// found in the LICENSE file.
#include <stdio.h>
#include <assert.h>
#include <emscripten/html5.h>
#include <GLES2/gl2.h>
int main()
{
EmscriptenWebGLContextAttributes attrs;
emscripten_webgl_init_context_attributes(&attrs);
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context = emscripten_webgl_create_context("#canvas", &attrs);
assert(context);
EMSCRIPTEN_RESULT res = emscripten_webgl_make_context_current(context);
assert(res >= 0);
int activeTexture = 0;
glGetIntegerv(GL_ACTIVE_TEXTURE, &activeTexture);
printf("GL_ACTIVE_TEXTURE: %d\n", activeTexture - GL_TEXTURE0);
int result = activeTexture - GL_TEXTURE0;
assert(result == 5);
return 0;
}
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