61 строка
1.6 KiB
C++
61 строка
1.6 KiB
C++
#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <emscripten.h>
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#include <html5.h>
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int result = 0;
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void report_result()
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{
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printf("Test finished with result %d\n", result);
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#ifdef REPORT_RESULT
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REPORT_RESULT();
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#endif
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}
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void finish(void*)
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{
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report_result();
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}
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EM_BOOL context_lost(int eventType, const void *reserved, void *userData)
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{
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printf("C code received a signal for WebGL context lost! This should not happen!\n");
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result = 1;
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report_result();
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return 0;
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}
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EM_BOOL context_restored(int eventType, const void *reserved, void *userData)
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{
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printf("C code received a signal for WebGL context restored! This should not happen!\n");
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result = 1;
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report_result();
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return 0;
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}
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int main()
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{
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EmscriptenWebGLContextAttributes attrs;
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emscripten_webgl_init_context_attributes(&attrs);
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EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context = emscripten_webgl_create_context(0, &attrs);
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emscripten_set_webglcontextlost_callback(0, 0, 0, context_lost);
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emscripten_set_webglcontextrestored_callback(0, 0, 0, context_restored);
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// When we force a context loss, we should get an event, i.e. context_lost_desired() should get called.
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EM_ASM_INT({
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// The GL object is accessed here in a closure unsafe manner, so this test should not be run with closure enabled.
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Module['firstGLContextExt'] = GL.contexts[$0].GLctx.getExtension('WEBGL_lose_context');
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}, context);
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emscripten_webgl_destroy_context(context);
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EM_ASM_INT({
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Module['firstGLContextExt'].loseContext();
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}, context);
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emscripten_async_call(finish, 0, 3000);
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}
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