added oriented quad culling

Author: Geolm

lib/binning.h

@@ -3,7 +3,7 @@
 
 #include <stddef.h>
 
-static const size_t binning_shader_size = 26075;
+static const size_t binning_shader_size = 26615;
 static const char binning_shader[] =
     "// ---------------------------------------------------------------------------------------------------------------------------\n"
     "// Structures\n"
@@ -702,6 +702,16 @@ static const char binning_shader[] =
     "                intersection = false;\n"
     "            }\n"
     "        }\n"
+    "        case PRIMITIVE_ORIENTED_QUAD:\n"
+    "        {\n"
+    "            let center = vec2<f32>(g_draw_data[data_idx + 0u], g_draw_data[data_idx + 1u]);\n"
+    "            let dimensions = vec2<f32>(g_draw_data[data_idx + 2u], g_draw_data[data_idx + 3u]);\n"
+    "            let axis = vec2<f32>(g_draw_data[data_idx + 4u], g_draw_data[data_idx + 5u]);\n"
+    "            let dir = axis * .5f/dimensions.x;\n"
+    "            let p0 = center + dir;\n"
+    "            let p1 = center - dir;\n"
+    "            intersection = intersection_aabb_obb(tile_aabb, p0, p1, 1.f/dimensions.y);\n"
+    "        }\n"
     "        default:\n"
     "        {\n"
     "            intersection = true;\n"

src/shaders/binning.wgsl

@@ -499,6 +499,16 @@ fn intersection_tile_command(tile_aabb: aabb, cmd: draw_command, aabb_margin: f3
                 intersection = false;
             }
         }
+        case PRIMITIVE_ORIENTED_QUAD:
+        {
+            let center = vec2<f32>(g_draw_data[data_idx + 0u], g_draw_data[data_idx + 1u]);
+            let dimensions = vec2<f32>(g_draw_data[data_idx + 2u], g_draw_data[data_idx + 3u]);
+            let axis = vec2<f32>(g_draw_data[data_idx + 4u], g_draw_data[data_idx + 5u]);
+            let dir = axis * .5f/dimensions.x;
+            let p0 = center + dir;
+            let p1 = center - dir;
+            intersection = intersection_aabb_obb(tile_aabb, p0, p1, 1.f/dimensions.y);
+        }
         default:
         {
             intersection = true;