void displayFunc(void)
{
/* create random geometry for regression test */
if (g_regression)
g_render_scene = createRandomScene(g_device,1,random<int>()%1000,random<int>()%1000);
/* set accumulation mode */
int accumulate = g_resetAccumulation ? 0 : g_refine;
g_resetAccumulation = false;
/* render image */
Handle<Device::RTCamera> camera = createCamera(AffineSpace3f(g_camSpace.l,g_camSpace.p));
/* render into framebuffer */
double t0 = getSeconds();
g_device->rtRenderFrame(g_renderer,camera,g_render_scene,g_tonemapper,g_frameBuffer,accumulate);
g_device->rtSwapBuffers(g_frameBuffer);
/* draw image in OpenGL */
void* ptr = g_device->rtMapFrameBuffer(g_frameBuffer);
glRasterPos2i(-1, 1);
glPixelZoom(1.0f, -1.0f);
glDrawPixels((GLsizei)g_width,(GLsizei)g_height,GL_RGBA,GL_FLOAT,ptr);
g_device->rtUnmapFrameBuffer(g_frameBuffer);
glutSwapBuffers();
double dt = getSeconds()-t0;
/* measure rendering time */
std::ostringstream stream;
stream.setf(std::ios::fixed, std::ios::floatfield);
stream.precision(2);
stream << 1.0f/dt << " fps, ";
stream.precision(0);
stream << dt*1000.0f << " ms";
std::cout << "display " << stream.str() << std::endl;
glutSetWindowTitle((std::string("Embree: ") + stream.str()).c_str());
}
void displayFunc(void)
{
if (g_pause)
return;
if (g_demo)
{
double restart_time = 15.0f;
double dt = getSeconds()-g_demo_t0;
if (dt > restart_time) {
dt -= restart_time;
g_demo_t0 = getSeconds() - dt;
}
float theta = dt * 90.0f / 180.0f * float(pi);
float phi = 0.0f;
if (theta >= 2.0f*float(pi)) theta = 2.0f*float(pi);
const Vector3f viewVec = normalize(g_initial_camLookAt - g_initial_camPos);
const float dist = length(g_initial_camLookAt - g_initial_camPos);
//const Vector3f dX = normalize(cross(viewVec,g_initial_camUp));
//const Vector3f dY = normalize(cross(viewVec,dX));
const Vector3f dY = normalize(g_initial_camUp);
AffineSpace3f space = g_demo_camSpace;
//space = AffineSpace3f::rotate(g_initial_camLookAt,dX,phi ) * space;
space = AffineSpace3f::rotate(g_initial_camLookAt,dY,theta) * space;
//g_camPos = g_camLookAt-dist*xfmVector(g_camSpace,Vector3f(0,0,1));
g_camSpace = space;
static int extra_resets = 0;
if (theta < 2.0f*float(pi)) {
g_resetAccumulation = true;
extra_resets = 0;
} else if (extra_resets < 2) {
g_resetAccumulation = true;
extra_resets++;
}
}
/* create random geometry for regression test */
if (g_regression)
g_render_scene = createRandomScene(g_device,1,random<int>()%100,random<int>()%1000);
/* set accumulation mode */
int accumulate = g_resetAccumulation ? 0 : g_refine;
g_resetAccumulation = false;
/* render image */
Handle<Device::RTCamera> camera = createCamera(AffineSpace3f(g_camSpace.l,g_camSpace.p));
/* render into framebuffer */
g_device->rtRenderFrame(g_renderer,camera,g_render_scene,g_tonemapper,g_frameBuffer,accumulate);
g_device->rtSwapBuffers(g_frameBuffer);
/* draw image in OpenGL */
void* ptr = g_device->rtMapFrameBuffer(g_frameBuffer);
glRasterPos2i(-1, 1);
glPixelZoom(1.0f, -1.0f);
if (g_format == "RGB_FLOAT32")
glDrawPixels((GLsizei)g_width,(GLsizei)g_height,GL_RGB,GL_FLOAT,ptr);
else if (g_format == "RGBA8")
glDrawPixels((GLsizei)g_width,(GLsizei)g_height,GL_RGBA,GL_UNSIGNED_BYTE,ptr);
else if (g_format == "RGB8")
glDrawPixels((GLsizei)g_width,(GLsizei)g_height,GL_RGB,GL_UNSIGNED_BYTE,ptr);
else
throw std::runtime_error("unknown framebuffer format: "+g_format);
glFlush();
glutSwapBuffers();
g_device->rtUnmapFrameBuffer(g_frameBuffer);
/* calculate rendering time */
double t1 = getSeconds();
g_dt[frameID % avgFrames] = t1-g_t0; g_t0 = t1;
frameID++;
/* print average render time of previous frames */
size_t num = 0;
double dt = 0.0f;
for (size_t i=0; i<avgFrames; i++) {
if (g_dt[i] != 0.0f) {
dt += g_dt[i]; num++;
}
}
dt /= num;
std::ostringstream stream;
stream.setf(std::ios::fixed, std::ios::floatfield);
stream.precision(2);
stream << 1.0f/dt << " fps, ";
stream.precision(2);
stream << dt*1000.0f << " ms";
stream << ", " << g_width << "x" << g_height;
if (log_display)
std::cout << "display " << stream.str() << std::endl;
glutSetWindowTitle((std::string("Embree: ") + stream.str()).c_str());
}
void displayFunc(void)
{
if (g_pause)
return;
/* create random geometry for regression test */
if (g_regression)
g_render_scene = createRandomScene(g_device,1,random<int>()%100,random<int>()%1000);
/* set accumulation mode */
int accumulate = g_resetAccumulation ? 0 : g_refine;
g_resetAccumulation = false;
/* render image */
Handle<Device::RTCamera> camera = createCamera(AffineSpace3f(g_camSpace.l,g_camSpace.p));
/* render into framebuffer */
g_device->rtRenderFrame(g_renderer,camera,g_render_scene,g_tonemapper,g_frameBuffer,accumulate);
g_device->rtSwapBuffers(g_frameBuffer);
/* draw image in OpenGL */
void* ptr = g_device->rtMapFrameBuffer(g_frameBuffer);
// extern double upload_time;
// upload_time = getSeconds() - upload_time;
// std::cout << "upload " << upload_time << std::endl;
// exit(0);
glRasterPos2i(-1, 1);
glPixelZoom(1.0f, -1.0f);
if (g_format == "RGB_FLOAT32")
glDrawPixels((GLsizei)g_width,(GLsizei)g_height,GL_RGB,GL_FLOAT,ptr);
else if (g_format == "RGBA8")
glDrawPixels((GLsizei)g_width,(GLsizei)g_height,GL_RGBA,GL_UNSIGNED_BYTE,ptr);
else if (g_format == "RGB8")
glDrawPixels((GLsizei)g_width,(GLsizei)g_height,GL_RGB,GL_UNSIGNED_BYTE,ptr);
else
throw std::runtime_error("unknown framebuffer format: "+g_format);
glFlush();
glutSwapBuffers();
g_device->rtUnmapFrameBuffer(g_frameBuffer);
/* calculate rendering time */
double t1 = getSeconds();
g_dt[frameID % avgFrames] = t1-g_t0; g_t0 = t1;
frameID++;
/* print average render time of previous frames */
size_t num = 0;
double dt = 0.0f;
for (size_t i=0; i<avgFrames; i++) {
if (g_dt[i] != 0.0f) {
dt += g_dt[i]; num++;
}
}
dt /= num;
std::ostringstream stream;
stream.setf(std::ios::fixed, std::ios::floatfield);
stream.precision(2);
stream << 1.0f/dt << " fps, ";
stream.precision(2);
stream << dt*1000.0f << " ms";
stream << ", " << g_width << "x" << g_height;
if (log_display)
std::cout << "display " << stream.str() << std::endl;
glutSetWindowTitle((std::string("Embree: ") + stream.str()).c_str());
}
