From f82e626686a7ff43413e29b23a98f78496ef3faa Mon Sep 17 00:00:00 2001
From: Yousef Khadadeh <erroratline0@gmail.com>
Date: Mon, 21 Jul 2025 13:01:48 +0300
Subject: [PATCH] Levels of detail for brush stroke decreased to save on memory

---
 src/DrawComponents/DrawBrushStroke.cpp | 15 ++-------------
 src/DrawComponents/DrawBrushStroke.hpp |  2 +-
 src/DrawComponents/DrawComponent.cpp   |  8 +-------
 src/DrawComponents/DrawComponent.hpp   |  7 ++-----
 src/DrawData.cpp                       |  3 ---
 src/DrawData.hpp                       |  3 ---
 6 files changed, 6 insertions(+), 32 deletions(-)

diff --git a/src/DrawComponents/DrawBrushStroke.cpp b/src/DrawComponents/DrawBrushStroke.cpp
index 9535a76..d0184d5 100644
--- a/src/DrawComponents/DrawBrushStroke.cpp
+++ b/src/DrawComponents/DrawBrushStroke.cpp
@@ -101,23 +101,12 @@ void DrawBrushStroke::initialize_draw_data(DrawingProgram& drawP) {
         vertices_to_draw_data(vertices, vertexData);
         vertexData.clear();
 
-        create_triangles(triangleFunc, points, 2);
+        create_triangles(triangleFunc, points, 4);
         vertices_to_draw_data(verticesMipMap[0], vertexData);
         vertexData.clear();
 
-        create_triangles(triangleFunc, points, 4);
-        vertices_to_draw_data(verticesMipMap[1], vertexData);
-        vertexData.clear();
-
-        create_triangles(triangleFunc, points, 6);
-        vertices_to_draw_data(verticesMipMap[2], vertexData);
-        vertexData.clear();
-
-        create_triangles(triangleFunc, points, 10);
-        vertices_to_draw_data(verticesMipMap[3], vertexData);
-
         create_triangles(triangleFunc, points, 30);
-        vertices_to_draw_data(verticesMipMap[4], vertexData);
+        vertices_to_draw_data(verticesMipMap[1], vertexData);
     }
 }
 
diff --git a/src/DrawComponents/DrawBrushStroke.hpp b/src/DrawComponents/DrawBrushStroke.hpp
index 878a2e7..7966785 100644
--- a/src/DrawComponents/DrawBrushStroke.hpp
+++ b/src/DrawComponents/DrawBrushStroke.hpp
@@ -47,7 +47,7 @@ class DrawBrushStroke : public DrawComponent {
         virtual SCollision::AABB<float> get_obj_coord_bounds() const override;
 
         sk_sp<SkVertices> vertices;
-        std::array<sk_sp<SkVertices>, 5> verticesMipMap;
+        std::array<sk_sp<SkVertices>, 3> verticesMipMap;
         SCollision::BVHContainer<float> collisionTree;
 
     private:
diff --git a/src/DrawComponents/DrawComponent.cpp b/src/DrawComponents/DrawComponent.cpp
index a30c2be..c1b7e7e 100644
--- a/src/DrawComponents/DrawComponent.cpp
+++ b/src/DrawComponents/DrawComponent.cpp
@@ -204,13 +204,7 @@ void DrawComponent::calculate_draw_transform(const DrawData& drawData) {
     if(drawSetupData.shouldDraw) {
         drawSetupData.shouldDraw = updateDraw || !worldAABB || SCollision::collide(*worldAABB, drawData.cam.viewingAreaGenerousCollider);
         if(drawSetupData.shouldDraw) {
-            if(drawData.mipMapLevelFive > coords.inverseScale)
-                drawSetupData.mipmapLevel = 5;
-            if(drawData.mipMapLevelFour > coords.inverseScale)
-                drawSetupData.mipmapLevel = 4;
-            else if(drawData.mipMapLevelThree > coords.inverseScale)
-                drawSetupData.mipmapLevel = 3;
-            else if(drawData.mipMapLevelTwo > coords.inverseScale)
+            if(drawData.mipMapLevelTwo > coords.inverseScale)
                 drawSetupData.mipmapLevel = 2;
             else if(drawData.mipMapLevelOne > coords.inverseScale)
                 drawSetupData.mipmapLevel = 1;
diff --git a/src/DrawComponents/DrawComponent.hpp b/src/DrawComponents/DrawComponent.hpp
index 8dab64d..2c5c42b 100644
--- a/src/DrawComponents/DrawComponent.hpp
+++ b/src/DrawComponents/DrawComponent.hpp
@@ -19,11 +19,8 @@
 
 #define DRAWCOMP_MAX_SHIFT_BEFORE_DISAPPEAR 20
 #define DRAWCOMP_MIN_SHIFT_BEFORE_DISAPPEAR 11
-#define DRAWCOMP_MIPMAP_LEVEL_ONE 1
-#define DRAWCOMP_MIPMAP_LEVEL_TWO 2
-#define DRAWCOMP_MIPMAP_LEVEL_THREE 3
-#define DRAWCOMP_MIPMAP_LEVEL_FOUR 4
-#define DRAWCOMP_MIPMAP_LEVEL_FIVE 5
+#define DRAWCOMP_MIPMAP_LEVEL_ONE 2
+#define DRAWCOMP_MIPMAP_LEVEL_TWO 5
 
 class DrawingProgram;
 
diff --git a/src/DrawData.cpp b/src/DrawData.cpp
index 414da87..3c3d778 100644
--- a/src/DrawData.cpp
+++ b/src/DrawData.cpp
@@ -6,8 +6,5 @@ void DrawData::refresh_draw_optimizing_values() {
     clampDrawMinimum = cam.c.inverseScale >> DRAWCOMP_MIN_SHIFT_BEFORE_DISAPPEAR;
     mipMapLevelOne = cam.c.inverseScale >> DRAWCOMP_MIPMAP_LEVEL_ONE;
     mipMapLevelTwo = cam.c.inverseScale >> DRAWCOMP_MIPMAP_LEVEL_TWO;
-    mipMapLevelThree = cam.c.inverseScale >> DRAWCOMP_MIPMAP_LEVEL_THREE;
-    mipMapLevelFour = cam.c.inverseScale >> DRAWCOMP_MIPMAP_LEVEL_FOUR;
-    mipMapLevelFive = cam.c.inverseScale >> DRAWCOMP_MIPMAP_LEVEL_FOUR;
     clampDrawMaximum = cam.c.inverseScale << DRAWCOMP_MAX_SHIFT_BEFORE_DISAPPEAR;
 }
diff --git a/src/DrawData.hpp b/src/DrawData.hpp
index a42d553..631154b 100644
--- a/src/DrawData.hpp
+++ b/src/DrawData.hpp
@@ -18,8 +18,5 @@ struct DrawData {
     WorldScalar clampDrawMaximum;
     WorldScalar mipMapLevelOne;
     WorldScalar mipMapLevelTwo;
-    WorldScalar mipMapLevelThree;
-    WorldScalar mipMapLevelFour;
-    WorldScalar mipMapLevelFive;
     void refresh_draw_optimizing_values();
 };