enum piglit_result
piglit_display(void)
{
bool pass = true;
GLuint ids[10];
GLint param;
/* Throw some invalid inputs at glCreateQueries */
/* n is negative */
glCreateQueries(GL_SAMPLES_PASSED, -1, ids);
SUBTEST(GL_INVALID_VALUE, pass, "n < 0");
/* invalid target */
glCreateQueries(GL_RGBA, 0, ids);
SUBTEST(GL_INVALID_ENUM, pass, "invalid target");
/* Throw some valid inputs at glCreateQueries. */
/* n is zero */
glCreateQueries(GL_SAMPLES_PASSED, 0, NULL);
SUBTEST(GL_NO_ERROR, pass, "n == 0");
/* n is more than 1 */
glCreateQueries(GL_SAMPLES_PASSED, 10, ids);
SUBTEST(GL_NO_ERROR, pass, "n > 1");
/* test the default state of dsa-created query objects */
SUBTESTCONDITION(glIsQuery(ids[2]), pass, "IsQuery()");
glGetQueryObjectiv(ids[2], GL_QUERY_RESULT_AVAILABLE, ¶m);
piglit_check_gl_error(GL_NO_ERROR);
SUBTESTCONDITION(param == GL_TRUE, pass,
"default AVAILABLE state(%d) == TRUE", param);
glGetQueryObjectiv(ids[2], GL_QUERY_RESULT, ¶m);
piglit_check_gl_error(GL_NO_ERROR);
SUBTESTCONDITION(param == 0, pass, "default RESULT(%d) == 0", param);
/* test the target */
glGetQueryObjectiv(ids[2], GL_QUERY_TARGET, ¶m);
piglit_check_gl_error(GL_NO_ERROR);
SUBTESTCONDITION(param == GL_SAMPLES_PASSED, pass, "TARGET(%s) == "
"GL_SAMPLES_PASSED", piglit_get_gl_enum_name(param));
/* clean up */
glDeleteQueries(10, ids);
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
int main(int /*argc*/, char ** /*argv*/) {
BaseApp app;
ProgramObject program;
auto mainWindow = app.getMainWindow();
std::string prefix = app.getResourceDir() + "Shaders/Examples/e06_ModelLoader/";
PerspectiveCamera cam;
OrbitManipulator manipulator(&cam);
manipulator.setupCallbacks(app);
NodeShared root;
GLuint query[2];
app.addInitCallback([&]() {
auto vs = compileShader(GL_VERTEX_SHADER, Loader::text(prefix + "phong.vert"));
auto fs = compileShader(GL_FRAGMENT_SHADER, Loader::text(prefix + "phong.frag"));
program = createProgram(vs, fs);
root = Loader::scene(app.getResourceDir() + "Models/sponza/sponza.fbx");
glCreateQueries(GL_TIMESTAMP, 2, query);
SDL_GL_SetSwapInterval(0);
});
app.addResizeCallback([&](int w, int h) {
glViewport(0, 0, w, h);
cam.setAspect(float(w) / float(h));
});
app.addDrawCallback([&]() {
glQueryCounter(query[0], GL_TIMESTAMP);
glClearColor(0.2, 0.2, 0.2, 1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
//bunny
program.use();
program.setMatrix4fv("p", value_ptr(cam.getProjection()));
program.setMatrix4fv("v", value_ptr(cam.getView()));
drawNode(program, root);
glQueryCounter(query[1], GL_TIMESTAMP);
GLuint64 time1, time2;
glGetQueryObjectui64v(query[0], GL_QUERY_RESULT, &time1);
glGetQueryObjectui64v(query[1], GL_QUERY_RESULT, &time2);
std::string s = "fps: " + std::to_string(1e9 / (time2 - time1)) + " (" + std::to_string(ImGui::GetIO().Framerate) + ")";
label(s, 0, 0, 300, 100);
});
return app.run();
}
void AbstractQuery::createImplementationDSA() {
glCreateQueries(_target, 1, &_id);
}
static GLuint allocateQuery() {
GLuint result;
glCreateQueries(GL_TIME_ELAPSED, 1, &result);
return result;
}
static void createObjects(GLsizei n, GLuint* objects) {
glCreateQueries(target, n, objects);
}
