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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 <GLES3/gl3.h>
#include <GLES2/gl2ext.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <emscripten.h>
#include <emscripten/html5.h>
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context;
int main()
{
EmscriptenWebGLContextAttributes attrs;
emscripten_webgl_init_context_attributes(&attrs);
attrs.majorVersion = 2;
attrs.minorVersion = 0;
int result = 0;
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context = emscripten_webgl_create_context("#canvas", &attrs);
assert(context);
EMSCRIPTEN_RESULT res = emscripten_webgl_make_context_current(context);
assert(res == EMSCRIPTEN_RESULT_SUCCESS);
assert(emscripten_webgl_get_current_context() == context);
GLuint tex;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT_OES, 0);
assert(glGetError() == 0);
emscripten_webgl_destroy_context(context);
#ifdef REPORT_RESULT
REPORT_RESULT(result);
#endif
return 0;
}