Assorted changes.

.clang_complete

@@ -3,3 +3,4 @@
 -Wall
 -DGLM_FORCE_RADIANS
 -fopenmp
+-std=c++11

Makefile

@@ -5,11 +5,11 @@ OBJECTS = main.o sampling.o camera.o environment.o disk.o plane.o sphere.o \
           spot_light.o sphere_area_light.o disk_area_light.o scene.o tracer.o \
           path_tracer.o whitted_tracer.o rgbe.o kd_tree.o photon_tracer.o
 DEPENDS = $(OBJECTS:.o=.d)
-CXXFLAGS = -ansi -pedantic -Wall -DGLM_FORCE_RADIANS -fopenmp
+CXXFLAGS = -ansi -pedantic -Wall -DGLM_FORCE_RADIANS -fopenmp -std=c++11
 LDLIBS = -lfreeimage -ljson_spirit
 
 .PHONY: all
-all: CXXFLAGS += -O2 -DNDEBUG
+all: CXXFLAGS += -O3 -DNDEBUG
 all: $(TARGET)
 
 .PHONY: debug

main.cpp

@@ -4,6 +4,7 @@
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
+#include <cstdint>
 #include <unistd.h>
 
 #include <omp.h>
@@ -69,8 +70,8 @@ int main(int argc, char ** argv) {
   vec2 sample;
   Tracer * tracer;
   PhotonTracer * p_tracer;
-  size_t total;
+  uint64_t total;
-  size_t current = 0;
+  uint64_t current = 0;
   FIBITMAP * input_bitmap;
   FIBITMAP * output_bitmap;
   FREE_IMAGE_FORMAT fif;
@@ -122,7 +123,7 @@ int main(int argc, char ** argv) {
   }
   
   // Generate the image.
-  total = g_h * g_w * g_samples;
+  total = static_cast<uint64_t>(g_h) * static_cast<uint64_t>(g_w) * static_cast<uint64_t>(g_samples);
   cout << "Tracing a total of " << ANSI_BOLD_YELLOW << total << ANSI_RESET_STYLE << " primary rays:" << endl;
 #pragma omp parallel for schedule(dynamic, 1) private(r, sample) shared(current)
   for (int i = 0; i < g_h; i++) {
@@ -138,7 +139,7 @@ int main(int argc, char ** argv) {
       image[i][j] /= g_samples;
     }
 #pragma omp critical
-    cout << "\r" << setw(3) << static_cast<size_t>((static_cast<double>(current) / static_cast<double>(total)) * 100.0) << "% done.";
+    cout << "\r" << ANSI_BOLD_YELLOW << current << ANSI_RESET_STYLE << " of " << ANSI_BOLD_YELLOW << total << ANSI_RESET_STYLE << " primary rays traced.";
   }
   cout << endl;
 

photon_tracer.cpp

@@ -2,6 +2,7 @@
 #include <iomanip>
 #include <limits>
 #include <vector>
+#include <cstdint>
 
 #include <glm/gtc/constants.hpp>
 
@@ -159,12 +160,12 @@ void PhotonTracer::build_photon_map(Scene * s, const size_t n_photons_per_ligth,
   Vec3 ls, dir;
   float r1, r2;
   Photon ph;
-  size_t total = 0, current = 0;
+  uint64_t total = 0, current = 0;
 
   for (vector<Light *>::iterator it = s->m_lights.begin(); it != s->m_lights.end(); it++) {
     total += (*it)->light_type() == Light::AREA ? 1 : 0;
   }
-  total *= n_photons_per_ligth;
+  total *= static_cast<uint64_t>(n_photons_per_ligth);
 
   cout << "Tracing a total of " << ANSI_BOLD_YELLOW << total << ANSI_RESET_STYLE << " primary photons:" << endl;