From 3caba9694f6e6f0f8b51dcffd7619fa04fbe6c29 Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Wed, 13 Apr 2022 14:42:59 +0800
Subject: Antialiasing. (not parallelized)

---
 main_simple_scanner.cpp | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

(limited to 'main_simple_scanner.cpp')

diff --git a/main_simple_scanner.cpp b/main_simple_scanner.cpp
index bcec163..eaaa8b7 100644
--- a/main_simple_scanner.cpp
+++ b/main_simple_scanner.cpp
@@ -13,15 +13,21 @@
 #include "viewport.h"
 #include "hitlist.h"
 #include "sphere.h"
+#include "aa.h"
 
 #define DEMO_BALL
 
 void generate_image(uint16_t image_width, uint16_t image_height, double viewport_width, double focal_length,
-                    double sphere_z, double sphere_r, const std::string &caption = "", unsigned caption_scale = 1) {
+                    double sphere_z, double sphere_r, unsigned samples, const std::string &caption = "",
+                    unsigned caption_scale = 1) {
+    if (samples == 1) {
+        std::cerr << "Antialiasing is disabled." << std::endl;
+    } else {
+        std::cerr << "Antialiasing Samples: " << samples << std::endl;
+    }
     double r = 1.0 * image_width / image_height;
-    basic_viewport8b vp{viewport_width, viewport_width / r, vec3d{0, 0, -focal_length}};
+    aa_viewport8b vp{viewport_width, viewport_width / r, vec3d{0, 0, -focal_length}, samples};
     hitlist8b world;
-    bias_ctx bias{};
     world.add_object(std::make_shared<sphere>(
             vec3d{0, -100.5, -1},
             100)); // the earth
@@ -29,7 +35,7 @@ void generate_image(uint16_t image_width, uint16_t image_height, double viewport
     timer tm;
     tm.start_measure();
     auto image = vp.render(world, vec3d::zero(),
-                           image_width, image_height, bias); // camera position as the coordinate origin
+                           image_width, image_height); // camera position as the coordinate origin
     tm.stop_measure();
     if (!caption.empty()) {
         image.print(caption,
@@ -44,22 +50,24 @@ void generate_image(uint16_t image_width, uint16_t image_height, double viewport
 }
 
 int main(int argc, char **argv) {
-    if (argc != 7 && argc != 8) {
-        printf("Usage: %s <image_width> <image_height> <viewport_width> <focal_length> <sphere_z> <sphere_r>\n",
+    if (argc != 8 && argc != 9) {
+        printf("Usage: %s <image_width> <image_height> <viewport_width> <focal_length> <sphere_z> <sphere_r> <samples> [<caption>]\n",
                argv[0]);
         return 0;
     }
 #ifndef NDEBUG
     std::cerr << "Notice: assertion is enabled." << std::endl;
 #endif
-    std::string iw{argv[1]}, ih{argv[2]}, vw{argv[3]}, fl{argv[4]}, sz{argv[5]}, sr{argv[6]}, cap{};
-    if (argc == 8) {
+    std::string iw{argv[1]}, ih{argv[2]}, vw{argv[3]}, fl{argv[4]},
+            sz{argv[5]}, sr{argv[6]}, sp{argv[7]}, cap{};
+    if (argc == 9) {
         // with caption
-        cap = std::string{argv[7]};
+        cap = std::string{argv[8]};
     }
     const auto image_width = std::stoul(iw);
     generate_image(image_width, std::stoul(ih),
                    std::stod(vw), std::stod(fl),
-                   std::stod(sz), std::stod(sr), cap,
+                   std::stod(sz), std::stod(sr),
+                   std::stoul(sp), cap,
                    std::max((int) (1.0 * image_width * 0.015 / 8), 1));
 }
\ No newline at end of file
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