+ | New topbvh stats

srcs/RT.cpp

@@ -20,8 +20,8 @@ int main(int argc, char **argv)
 		return (1);
 
 	Window		window(&scene, WIDTH, HEIGHT, "RT_GPU", 0);
-	// Shader		shader("shaders/vertex.vert", "shaders/frag.frag", "shaders/compute.glsl");
+	Shader		shader("shaders/vertex.vert", "shaders/frag.frag", "shaders/compute.glsl");
-	Shader		shader("shaders/vertex.vert", "shaders/frag.frag", "shaders/debug.glsl");
+	// Shader		shader("shaders/vertex.vert", "shaders/frag.frag", "shaders/debug.glsl");
 
 	GLint max_gpu_size;
 	glGetIntegerv(GL_MAX_SHADER_STORAGE_BLOCK_SIZE, &max_gpu_size);

srcs/class/Scene.cpp

@@ -61,6 +61,14 @@ bool		Scene::parseScene(char *name)
 	TopBVH	*top_bvh = new TopBVH(_gpu_bvh_data, _gpu_bvh, 0, _gpu_bvh_data.size());
 	_gpu_top_bvh = top_bvh->getGPUTopBvhs();
 
+	std::cout << "TopBVH done" << std::endl;
+	std::cout << "\tTopBVH size: " << top_bvh->getSize() << std::endl;
+	std::cout << "\tTopBVH leaves: " << top_bvh->getLeaves() << std::endl << std::endl;
+
+	TopBVHStats stats = top_bvh->analyzeBVHLeaves();
+	std::cout << "\tMin bvh per leaf: " << stats.min_bvh << std::endl;
+	std::cout << "\tMax bvh per leaf: " << stats.max_bvh << std::endl;
+	std::cout << "\tAverage bvh per leaf: " << stats.average_bvh << std::endl << std::endl;
 
 	std::cout << "Parsing done" << std::endl;
 

srcs/class/Shader.cpp

@@ -67,7 +67,7 @@ Shader::Shader(std::string vertexPath, std::string fragmentPath, std::string com
 	const char *fragmentCode = loadFileWithIncludes(fragmentPath);
 	const char *computeCode = loadFileWithIncludes(computePath);
 
-	printWithLineNumbers(computeCode);
+	// printWithLineNumbers(computeCode);
 
 	_vertex = glCreateShader(GL_VERTEX_SHADER);
 	

srcs/class/TopBVH.cpp

@@ -163,19 +163,6 @@ void	TopBVH::subdivide(std::vector<GPUBvhData> &bvhs_data, std::vector<GPUBvh> &
 	_bvh_count = 0;
 }
 
-int	TopBVH::getSize()
-{
-	int count = 0;
-
-	if (_is_leaf)
-		return (0);
-	
-	count += 1 + _left->getSize();
-	count += 1 + _right->getSize();
-
-	return (count);
-}
-
 void TopBVH::flatten(std::vector<GPUTopBvh> &top_bvhs, int &currentIndex)
 {
     GPUTopBvh self_top_bvh;
@@ -212,3 +199,59 @@ std::vector<GPUTopBvh>	TopBVH::getGPUTopBvhs()
 
     return (bvhs);
 }
+
+int	TopBVH::getSize()
+{
+	int count = 0;
+
+	if (_is_leaf)
+		return (0);
+	
+	count += 1 + _left->getSize();
+	count += 1 + _right->getSize();
+
+	return (count);
+}
+
+int	TopBVH::getLeaves()
+{
+	int count = 0;
+
+	if (_is_leaf)
+		return (1);
+	
+	count += _left->getLeaves();
+	count += _right->getLeaves();
+
+	return (count);
+}
+
+TopBVHStats		TopBVH::analyzeBVHLeaves()
+{
+    if (_is_leaf)
+        return {
+            _bvh_count,  // min
+            _bvh_count,  // max
+            (float)_bvh_count  // average
+        };
+
+    // Get stats from left and right subtrees
+    TopBVHStats left = _left->analyzeBVHLeaves();
+    TopBVHStats right = _left->analyzeBVHLeaves();
+
+    // Combine the results
+    int min_count = std::min(left.min_bvh, right.min_bvh);
+    int max_count = std::max(left.max_bvh, right.max_bvh);
+    
+    // Calculate weighted average based on number of leaves in each subtree
+    float left_leaf_count = (left.average_bvh > 0) ? 1.0f : 0.0f;
+    float right_leaf_count = (right.average_bvh > 0) ? 1.0f : 0.0f;
+    float total_leaf_count = left_leaf_count + right_leaf_count;
+    
+    float avg_count = 0.0f;
+    if (total_leaf_count > 0)
+        avg_count = (left.average_bvh * left_leaf_count + 
+                    right.average_bvh * right_leaf_count) / total_leaf_count;
+
+    return {min_count, max_count, avg_count};
+}