/* called by the C++ code to render */
extern "C" void device_render (int* pixels,
const unsigned int width,
const unsigned int height,
const float time,
const ISPCCamera& camera)
{
const int numTilesX = (width +TILE_SIZE_X-1)/TILE_SIZE_X;
const int numTilesY = (height+TILE_SIZE_Y-1)/TILE_SIZE_Y;
parallel_for(size_t(0),size_t(numTilesX*numTilesY),[&](const range<size_t>& range) {
for (size_t i=range.begin(); i<range.end(); i++)
renderTileTask((int)i,pixels,width,height,time,camera,numTilesX,numTilesY);
});
}
/* called by the C++ code to render */
extern "C" void device_render (int* pixels,
const unsigned int width,
const unsigned int height,
const float time,
const ISPCCamera& camera)
{
float t0 = 0.7f*time;
float t1 = 1.5f*time;
/* rotate instances around themselves */
LinearSpace3fa xfm;
xfm.vx = Vec3fa(cos(t1),0,sin(t1));
xfm.vy = Vec3fa(0,1,0);
xfm.vz = Vec3fa(-sin(t1),0,cos(t1));
/* calculate transformations to move instances in cirle */
for (int i=0; i<4; i++) {
float t = t0+i*2.0f*float(pi)/4.0f;
instance_xfm[i] = AffineSpace3fa(xfm,2.2f*Vec3fa(+cos(t),0.0f,+sin(t)));
}
/* calculate transformations to properly transform normals */
for (int i=0; i<4; i++)
normal_xfm[i] = transposed(rcp(instance_xfm[i].l));
/* set instance transformations */
rtcSetTransform2(g_scene,g_instance0,RTC_MATRIX_COLUMN_MAJOR_ALIGNED16,(float*)&instance_xfm[0],0);
rtcSetTransform2(g_scene,g_instance1,RTC_MATRIX_COLUMN_MAJOR_ALIGNED16,(float*)&instance_xfm[1],0);
rtcSetTransform2(g_scene,g_instance2,RTC_MATRIX_COLUMN_MAJOR_ALIGNED16,(float*)&instance_xfm[2],0);
rtcSetTransform2(g_scene,g_instance3,RTC_MATRIX_COLUMN_MAJOR_ALIGNED16,(float*)&instance_xfm[3],0);
/* update scene */
rtcUpdate(g_scene,g_instance0);
rtcUpdate(g_scene,g_instance1);
rtcUpdate(g_scene,g_instance2);
rtcUpdate(g_scene,g_instance3);
rtcCommit (g_scene);
/* render all pixels */
const int numTilesX = (width +TILE_SIZE_X-1)/TILE_SIZE_X;
const int numTilesY = (height+TILE_SIZE_Y-1)/TILE_SIZE_Y;
parallel_for(size_t(0),size_t(numTilesX*numTilesY),[&](const range<size_t>& range) {
const int threadIndex = (int)TaskScheduler::threadIndex();
for (size_t i=range.begin(); i<range.end(); i++)
renderTileTask((int)i,threadIndex,pixels,width,height,time,camera,numTilesX,numTilesY);
});
}
/* called by the C++ code to render */
extern "C" void device_render (int* pixels,
const unsigned int width,
const unsigned int height,
const float time,
const ISPCCamera& camera)
{
bool camera_changed = g_changed; g_changed = false;
/* create scene */
if (g_scene == nullptr) {
g_scene = convertScene(g_ispc_scene);
if (g_subdiv_mode) updateEdgeLevels(g_ispc_scene, camera.xfm.p);
rtcCommit (g_scene);
old_p = camera.xfm.p;
}
else
{
/* check if camera changed */
if (ne(camera.xfm.p,old_p)) {
camera_changed = true;
old_p = camera.xfm.p;
}
/* update edge levels if camera changed */
if (camera_changed && g_subdiv_mode) {
updateEdgeLevels(g_ispc_scene,camera.xfm.p);
rtcCommit (g_scene);
}
}
/* render image */
const int numTilesX = (width +TILE_SIZE_X-1)/TILE_SIZE_X;
const int numTilesY = (height+TILE_SIZE_Y-1)/TILE_SIZE_Y;
parallel_for(size_t(0),size_t(numTilesX*numTilesY),[&](const range<size_t>& range) {
const int threadIndex = (int)TaskScheduler::threadIndex();
for (size_t i=range.begin(); i<range.end(); i++)
renderTileTask((int)i,threadIndex,pixels,width,height,time,camera,numTilesX,numTilesY);
});
//rtcDebug();
}
/* called by the C++ code to render */
extern "C" void device_render (int* pixels,
const unsigned int width,
const unsigned int height,
const float time,
const ISPCCamera& camera)
{
#if !defined(FORCE_FIXED_EDGE_TESSELLATION)
setQuadSubdivCubeLevels (rtcGetGeometry(g_scene, quadCubeID), camera.xfm.p);
setTriangleSubdivCubeLevels (rtcGetGeometry(g_scene, triCubeID), camera.xfm.p);
#endif
rtcCommitScene(g_scene);
const int numTilesX = (width +TILE_SIZE_X-1)/TILE_SIZE_X;
const int numTilesY = (height+TILE_SIZE_Y-1)/TILE_SIZE_Y;
parallel_for(size_t(0),size_t(numTilesX*numTilesY),[&](const range<size_t>& range) {
const int threadIndex = (int)TaskScheduler::threadIndex();
for (size_t i=range.begin(); i<range.end(); i++)
renderTileTask((int)i,threadIndex,pixels,width,height,time,camera,numTilesX,numTilesY);
});
}
/* called by the C++ code to render */
extern "C" void device_render (int* pixels,
const unsigned int width,
const unsigned int height,
const float time,
const ISPCCamera& camera)
{
/* animate sphere */
for (int i=0; i<numSpheres; i++)
animateSphere(i,time+i);
/* commit changes to scene */
rtcCommitScene (g_scene);
/* render all pixels */
const int numTilesX = (width +TILE_SIZE_X-1)/TILE_SIZE_X;
const int numTilesY = (height+TILE_SIZE_Y-1)/TILE_SIZE_Y;
parallel_for(size_t(0),size_t(numTilesX*numTilesY),[&](const range<size_t>& range) {
const int threadIndex = (int)TaskScheduler::threadIndex();
for (size_t i=range.begin(); i<range.end(); i++)
renderTileTask((int)i,threadIndex,pixels,width,height,time,camera,numTilesX,numTilesY);
});
}
