Removed buffers.glsl in favor of local trace buffer and a Scene struct...

Removed buffers.glsl in favor of local trace buffer and a Scene struct containing bindless buffer pointers.

assets/imgui/config.ini

@@ -4,12 +4,12 @@ Size=353,64
 Collapsed=0
 
 [Scene]
-Pos=2,70
+Pos=0,72
 Size=352,837
 Collapsed=0
 
 [Settings]
-Pos=1128,0
+Pos=1128,-2
 Size=311,899
 Collapsed=0
 

assets/shaders/pathtracer/buffers.glsl

-#ifndef INCLUDE_PATHTRACER_BUFFERS_GLSL
-#define INCLUDE_PATHTRACER_BUFFERS_GLSL
-
-#include <util/scene/light.glsl>
-#include <util/scene/mesh.glsl>
-#include <util/scene/material.glsl>
-#include <util/tracing/bvh_node.glsl>
-#include <util/tracing/tracing.glsl>
-
-layout(std430) restrict readonly buffer lights_buffer
-{
-  Light lights_data[];
-};
-
-layout(std430) restrict readonly buffer mesh_buffer
-{
-  Mesh meshes_data[];
-};
-
-layout(std430) restrict readonly buffer object_bvh_buffer
-{
-  BVHNode global_bvh_nodes_data[];
-};
-
-layout(std430) restrict readonly buffer object_bvh_id_buffer
-{
-  uint mesh_ids_data[];
-};
-
-layout(std430) restrict readonly buffer material_buffer
-{
-  Material materials_data[];
-};
-
-layout(std430) buffer trace_buffer
-{
-  Trace traces_data[];
-};
-
-#endif //!INCLUDE_PATHTRACER_BUFFERS_GLSL

assets/shaders/pathtracer/data/mesh_datastructure.glsl

 #ifndef INCLUDE_PATHTRACER_DATASTRUCTURE_GLSL
 #define INCLUDE_PATHTRACER_DATASTRUCTURE_GLSL
 
-#include <pathtracer/buffers.glsl>
 #include <util/scene/mesh.glsl>
 #include <util/tracing/bvh_node.glsl>
+#include <util/tracing/linespace.glsl>
+#include <util/tracing/scene.glsl>
 
 #include <pathtracer/data/mesh_bvh.glsl>
 #include <pathtracer/data/mesh_linespace.glsl>
 
 uniform bool use_global_bvh;
 
-bool traverseObjects(const in Ray ray, const in bool use_first, const in float max_distance, inout Hit hit, inout float t_min, bool force_bvh = false);
+bool traverseObjects(const in Scene scene, const in Ray ray, const in bool use_first, const in float max_distance, inout Hit hit, inout float t_min, bool force_bvh = false);
 
-bool nearestIntersection(const in Ray ray, inout Hit hit, bool force_bvh = false)
+bool nearestIntersection(const in Scene scene, const in Ray ray, inout Hit hit, bool force_bvh = false)
 {
 	float t_min = FLT_MAX;
-	return traverseObjects(ray, false, FLT_MAX, hit, t_min, force_bvh);
+	return scene.traverseObjects(ray, false, FLT_MAX, hit, t_min, force_bvh);
 }
 
-bool intersectsAny(const in Ray ray, const in float max_distance, bool force_bvh = false)
+bool intersectsAny(const in Scene scene, const in Ray ray, const in float max_distance, bool force_bvh = false)
 {
 	float t_min = max_distance;
 	Hit unused_hit;
-	return traverseObjects(ray, true, max_distance, unused_hit, t_min, force_bvh);
+	return scene.traverseObjects(ray, true, max_distance, unused_hit, t_min, force_bvh);
 }
 
 int smallestAxis(const in vec3 vector)
@@ -48,16 +49,39 @@ int smallestAxis(const in vec3 vector)
     }
 }
 
-bool traverseObjects(const in Ray ray, const in bool use_first, const in float max_distance, inout Hit hit, inout float t_min, bool force_bvh = false)
+Mesh getMesh(const in Scene scene, int index)
+{
+	Mesh mesh;
+	mesh.vertices = scene.meshes[index].vertices;
+	mesh.triangles = scene.meshes[index].triangles;
+	mesh.nodes = scene.meshes[index].nodes;
+	mesh.material = scene.meshes[index].material;
+
+	mesh.grid_linespace.linespaces = scene.meshes[index].grid_linespace.linespaces;
+	mesh.grid_linespace.grid_resolution = scene.meshes[index].grid_linespace.grid_resolution;
+	mesh.grid_linespace.num_linespaces = scene.meshes[index].grid_linespace.num_linespaces;
+	
+	//uint material;
+	mesh.id = scene.meshes[index].id;
+
+	mesh.transformation = scene.meshes[index].transformation;
+	mesh.inverse_transformation = scene.meshes[index].inverse_transformation;
+	mesh.normal_matrix = scene.meshes[index].normal_matrix;
+
+	return mesh;
+}
+
+bool traverseObjects(const in Scene scene, const in Ray ray, const in bool use_first, const in float max_distance, inout Hit hit, inout float t_min, bool force_bvh = false)
 {
 	if(!use_global_bvh)
 	{
 		float current_t = t_min;
 		bool hit_triangle = false;
 		Hit unused;
-		for(int i=0; i<meshes_data.length(); ++i)
+		for(int i=0; i<scene.num_meshes; ++i)
 		{
-			const Mesh mesh = meshes_data[i];
+			const Mesh mesh = getMesh(scene, i);
+
 			if(force_bvh)
 			{
 				if(mesh.traverseBVH(ray.makeRelative(mesh), use_first, current_t, false, hit, unused, t_min)){
@@ -127,7 +151,7 @@ bool traverseObjects(const in Ray ray, const in bool use_first, const in float m
 		float t = t_min;
 		float max_dist = max_distance;
 		// Check once the AABB for the whole scene
-		bool hit_scene = global_bvh_nodes_data.length() != 0 && ray.intersectsBounds(global_bvh_nodes_data[0].bounds, max_distance);
+		bool hit_scene = scene.num_meshes != 0 && ray.intersectsBounds(scene.bvh_nodes[0].bounds, max_distance);
 		bool hit_triangle = false;
 
 		int current_node = 0;
@@ -137,13 +161,13 @@ bool traverseObjects(const in Ray ray, const in bool use_first, const in float m
 
 		while (hit_scene)
 		{
-			if (global_bvh_nodes_data[current_node].type == 0) //Inner node.
+			if (scene.bvh_nodes[current_node].type == 0) //Inner node.
 			{
-				int id_left = int(global_bvh_nodes_data[current_node].left_idx);
-				bool hit_left = ray.intersectsBounds(global_bvh_nodes_data[id_left].bounds, max_distance);
+				int id_left = int(scene.bvh_nodes[current_node].left_idx);
+				bool hit_left = ray.intersectsBounds(scene.bvh_nodes[id_left].bounds, max_distance);
 
-				int id_right = int(global_bvh_nodes_data[current_node].right_idx);
-				bool hit_right = ray.intersectsBounds(global_bvh_nodes_data[id_right].bounds, max_distance);
+				int id_right = int(scene.bvh_nodes[current_node].right_idx);
+				bool hit_right = ray.intersectsBounds(scene.bvh_nodes[id_right].bounds, max_distance);
 
 				//both hit
 				if (hit_left && hit_right)
@@ -179,13 +203,13 @@ bool traverseObjects(const in Ray ray, const in bool use_first, const in float m
 				//shorten ray if closer intersection found.
 				//intersect triangles
 
-				int start = int(global_bvh_nodes_data[current_node].left_idx);
-				int end = int(global_bvh_nodes_data[current_node].right_idx);
+				int start = int(scene.bvh_nodes[current_node].left_idx);
+				int end = int(scene.bvh_nodes[current_node].right_idx);
 
 				float current_t = t_min;
 				for (int i = start; i <= end; i++)
 				{
-					const Mesh mesh = meshes_data[i];
+					const Mesh mesh = getMesh(scene, i);
 					if(force_bvh)
 					{
 						if(mesh.traverseBVH(ray.makeRelative(mesh), use_first, current_t, false, hit, unused, t_min)){
@@ -259,12 +283,12 @@ bool traverseObjects(const in Ray ray, const in bool use_first, const in float m
 					return hit_triangle;
 				}
 
-				current_node = int(global_bvh_nodes_data[current_node].parent);
+				current_node = int(scene.bvh_nodes[current_node].parent);
 				bitstack = bitstack >> 1;
 			}
 
 			//Use other (right) sibling from the left child of the branched tree node.
-			current_node = int(global_bvh_nodes_data[global_bvh_nodes_data[current_node].parent].right_idx);
+			current_node = int(scene.bvh_nodes[scene.bvh_nodes[current_node].parent].right_idx);
 			bitstack = bitstack ^ 1;
 		}
 

assets/shaders/pathtracer/data/mesh_linespace.glsl

@@ -159,14 +159,11 @@ bool traverseLineSpace(const in Mesh mesh, int index, const in Ray local_ray, co
 	{
 		nearer.triangle = near_data;
 		nearer.mesh = mesh.id;
-		if(loc.intersectsTrianglePlane(near_data, mesh, t, nearer.barycentric.x, nearer.barycentric.y))
-		{
-			if(t > 0 && t < max_distance && t < t_min){
-				hit = nearer;
-				t_min = t;
-				//Found an intersected shaft. But we don't yet know whether it contains geometry, so look it up as a last step.
-				return true;
-			}
+		if(loc.intersectsTrianglePlane(near_data, mesh, t, nearer.barycentric.x, nearer.barycentric.y) && t > 0 && t < max_distance && t < t_min){
+			hit = nearer;
+			t_min = t;
+			//Found an intersected shaft. But we don't yet know whether it contains geometry, so look it up as a last step.
+			return true;
 		}
 	}
 
@@ -175,16 +172,11 @@ bool traverseLineSpace(const in Mesh mesh, int index, const in Ray local_ray, co
 	{
 		nearer.triangle = near_data;
 		nearer.mesh = mesh.id;
-		if(loc.intersectsTrianglePlane(near_data, mesh, t, nearer.barycentric.x, nearer.barycentric.y))
-		{
-			//float farthest_distance = t;
-
-			if(t > 0 && t < max_distance && t < t_min){
-				hit = nearer;
-				t_min = t;
-				//Found an intersected shaft. But we don't yet know whether it contains geometry, so look it up as a last step.
-				return true;
-			}
+		if(loc.intersectsTrianglePlane(near_data, mesh, t, nearer.barycentric.x, nearer.barycentric.y) && t > 0 && t < max_distance && t < t_min){
+			hit = nearer;
+			t_min = t;
+			//Found an intersected shaft. But we don't yet know whether it contains geometry, so look it up as a last step.
+			return true;
 		}
 	}
 

assets/shaders/pathtracer/generators/bvh/bvh_raygenerator.comp

@@ -6,16 +6,20 @@
 #include <util/scene/camera.glsl>
 #include <util/math/random.glsl>
 
-#include <pathtracer/buffers.glsl>
 #include <pathtracer/data/mesh_datastructure.glsl>
 
 layout(local_size_variable) in;
 
 layout(rgba32f) uniform image2D u_render_target;
-uniform Camera u_camera;
 uniform int random_seed;
 uniform bool use_linespace = false;
 
+uniform Scene scene;
+layout(std430) buffer trace_buffer
+{
+  Trace traces_data[];
+};
+
 uniform struct
 {
 	bool u_random_subpixel; //defaults to false.
@@ -30,7 +34,7 @@ void main()
 	int id = target_size.x * int(gl_GlobalInvocationID.y) + int(gl_GlobalInvocationID.x);
 
 	vec2 random = settings.u_random_subpixel ? vec2(0, 0) : rand2D(random_seed + id, target_size.x*target_size.y);
-	traces_data[id].ray = u_camera.getRayFromPixel(vec2(gl_GlobalInvocationID.xy), random, vec2(target_size));
+	traces_data[id].ray = scene.camera.getRayFromPixel(vec2(gl_GlobalInvocationID.xy), random, vec2(target_size));
 	traces_data[id].hit.invalidate();
-	traces_data[id].ray.nearestIntersection(traces_data[id].hit, !use_linespace);
+	scene.nearestIntersection(traces_data[id].ray, traces_data[id].hit, !use_linespace);
 }

assets/shaders/pathtracer/generators/gbuffer/depthtest.comp

@@ -3,17 +3,20 @@
 #extension GL_ARB_shading_language_include : require
 #extension GL_ARB_compute_variable_group_size : require
 
-#include <util/scene/camera.glsl>
+#include <util/tracing/scene.glsl>
 #include <util/math/random.glsl>
 
-#include <pathtracer/buffers.glsl>
-
 layout(rgba32f) uniform image2DMS u_gbuffer_texture_01;
 layout(rgba32f) uniform image2D u_render_target;
-uniform Camera u_camera;
 uniform int random_seed;
 uniform int samples;
 
+uniform Scene scene;
+layout(std430) buffer trace_buffer
+{
+  Trace traces_data[];
+};
+
 layout(local_size_variable) in;
 
 void main()
@@ -27,7 +30,7 @@ void main()
 		vec2 pixel = vec2(id%target_size.x, id/target_size.x) + random;
 		vec4 texel_01 = u_gbuffer_texture_01.imageLoad(ivec2(pixel), int(random.x * samples));
 
-		traces_data[id].ray = u_camera.getRayFromPixel(pixel, random, vec2(target_size));
+		traces_data[id].ray = scene.camera.getRayFromPixel(pixel, random, vec2(target_size));
 		traces_data[id].hit.invalidate();
 
 		if (length(texel_01) != 0) {

assets/shaders/pathtracer/linespace_build/linespace_generate.comp

@@ -9,7 +9,6 @@
 #include <util/tracing/tracing.glsl>
 #include <util/tracing/linespace.glsl>
 #include <pathtracer/data/mesh_bvh.glsl>
-#include <pathtracer/buffers.glsl>
 
 layout(local_size_variable) in;
 

assets/shaders/pathtracer/pathtracer.comp

@@ -11,43 +11,36 @@
 #include <util/image.glsl>
 
 #include <pathtracer/bsdf.glsl>
-#include <pathtracer/buffers.glsl>
 #include <pathtracer/data/mesh_datastructure.glsl>
 
 layout(local_size_variable) in;
 
-//In this texture, the colors will all just be added up. The final render target color is then the
-//color value of this texture divided by the current sample count.
-
-uniform struct
-{
-	layout(rgba32f) image2D render_target;
-} textures;
-
-uniform Environment u_environment;
+uniform Scene scene;
 uniform int random_seed;
-subroutine uniform lightSample u_light_sample[4];
 
 const int num_effects = 4;
 
-//Global properties for the pathtracer itself
-uniform struct
-{
-	uint num_bounces;
-	uint current_sample;
-	float clamp_direct;
-	float clamp_indirect;
-	int bounce_thresholds[num_effects];
-} u_render_config;
-
-//Global properties for all mesh-local Line Spaces.
-uniform struct
+uniform int bounce_count = 16;
+uniform int bounce_thresholds[num_effects] = int[num_effects]( 4, 6, 12, 1 );
+
+uniform float clamp_direct = 10.f;
+uniform float clamp_indirect = 10.f;
+
+uniform float linespace_accuracy = 0.5f;
+uniform float linespace_shadow = 0.5f;
+uniform float linespace_distance = 10.f;
+uniform int linespace_bounces[num_effects] = int[num_effects]( 3, 3, 3, 1 );
+
+uniform int samples_current = 0;
+uniform int sampels_max = 80000;
+uniform int samples_per_frame = 1;
+
+layout(rgba32f) uniform image2D render_target;
+
+layout(std430) buffer trace_buffer
 {
-	float accuracy_quality;
-	float shadow_quality;
-	float distance_threshold;
-	int bounce_thresholds[num_effects];
-} u_linespace_properties;
+  Trace traces_data[];
+};
 
 struct LightData
 {
@@ -97,6 +90,7 @@ int iArrayComp(const in int array1[num_effects], const in int array2[num_effects
 			return array1[i] < array2[i] ? 1 : (array1[i] > array2[i] ? -1 : 0);
 }
 
+subroutine uniform lightSample sampleLightRoutines[4];
 LightData sampleLight(const in Light light, const in Vertex vertex, const in vec2 random_sample)
 {
 	LightData result;
@@ -104,7 +98,7 @@ LightData sampleLight(const in Light light, const in Vertex vertex, const in vec
 	{
 		if(i==light.type%4)
 		{
-		 	result.sample_succeeded = u_light_sample[i](light, vertex.position.xyz, result.point_on_light, result.light_color, random_sample);
+		 	result.sample_succeeded = sampleLightRoutines[i](light, vertex.position.xyz, result.point_on_light, result.light_color, random_sample);
 		}
 	}
 	vec3 non_normal_direction = result.point_on_light - vertex.position.xyz;
@@ -116,16 +110,16 @@ LightData sampleLight(const in Light light, const in Vertex vertex, const in vec
 
 bool shouldUseBvh(const in Bounce bounce)
 {
-	return (bounce.pdf_accumulation > (1-u_linespace_properties.accuracy_quality))
-		&& iArrayComp(bounce.bounce_amount, u_linespace_properties.bounce_thresholds, bounce.bsdf_id) == 1
-		&& bounce.path_distance < u_linespace_properties.distance_threshold;
+	return (bounce.pdf_accumulation > (1-linespace_accuracy))
+		&& iArrayComp(bounce.bounce_amount, linespace_bounces, bounce.bsdf_id) == 1
+		&& bounce.path_distance < linespace_distance;
 }
 
 bool shouldUseBvhShadow(const in Bounce bounce)
 {
-	return (bounce.pdf_accumulation > (1-u_linespace_properties.shadow_quality))
-		&& iArrayComp(bounce.bounce_amount, u_linespace_properties.bounce_thresholds, bounce.bsdf_id) == 1
-		&& bounce.path_distance < u_linespace_properties.distance_threshold;
+	return (bounce.pdf_accumulation > (1-linespace_shadow))
+		&& iArrayComp(bounce.bounce_amount, linespace_bounces, bounce.bsdf_id) == 1
+		&& bounce.path_distance < linespace_distance;
 }
 
 //////////////////////////////////////////////////////////////////////////
@@ -136,24 +130,24 @@ bool shouldUseBvhShadow(const in Bounce bounce)
 
 bool shade(inout Bounce bounce)
 {
-	float clamp_color_max = mix(u_render_config.clamp_direct, u_render_config.clamp_indirect, bounce.count.clamp(0.f, 1.f));
+	float clamp_color_max = mix(clamp_direct, clamp_indirect, bounce.count.clamp(0.f, 1.f));
 
 	//Sample environment when not hitting anything.
 	if(!bounce.hit.valid())
 	{
-		vec3 environment = bounce.radiance * u_environment.sampleColor(bounce.ray.direction.xyz).rgb;
+		vec3 environment = bounce.radiance * scene.environment.sampleColor(bounce.ray.direction.xyz).rgb;
 		bounce.color += clamp(environment, 0, clamp_color_max);
 		return false;
 	}
 
 	//Get Hit data
-	const Mesh mesh = meshes_data[bounce.hit.mesh];
+	const Mesh mesh = scene.meshes[bounce.hit.mesh];
 	const Vertex vertex = mesh.getVertex(bounce.hit);
-	const Material material = materials_data[mesh.material];
+	const Material material = (*mesh.material);
 
 	// generate a random sample on each bounce so there won't be any notifiable patterns
 	const vec2 base_random = vec2(bounce.ray.px, bounce.ray.py) - ivec2(floor(bounce.ray.px), floor(bounce.ray.py));
-	const ivec2 img_size = textures.render_target.imageSize();
+	const ivec2 img_size = render_target.imageSize();
 	const int img_dimen = img_size.x * img_size.y;
 	const vec2 random_sample = rand2D((random_seed + int(gl_GlobalInvocationID.y * uint(img_size.x) + gl_GlobalInvocationID.x))%img_dimen, img_size.x * img_size.y);
 
@@ -167,7 +161,7 @@ bool shade(inout Bounce bounce)
 		if(i==bsdf_result.bsdf_id)
 		{
 			bounce.bounce_amount[i] += 1;
-			exceeds_bounces = bounce.bounce_amount[i] > u_render_config.bounce_thresholds[i];
+			exceeds_bounces = bounce.bounce_amount[i] > bounce_thresholds[i];
 			break;
 		}
 	}
@@ -187,14 +181,14 @@ bool shade(inout Bounce bounce)
 		return bounce.hit.invalidate();
 	}
 
-	if (lights_data.length() > 0) {
+	if (scene.num_lights > 0) {
 		//Select random light.
-		Light light = lights_data[int(floor(random_sample.x * lights_data.length()))];
+		Light light = scene.lights[int(floor(random_sample.x * scene.num_lights))];
 
 		//And sample it.
 		LightData data = light.sampleLight(vertex, random_sample);
 
-		if (data.sample_succeeded && !data.shadow_test.intersectsAny(data.testing_distance, shouldUseBvhShadow(bounce)))
+		if (data.sample_succeeded && !scene.intersectsAny(data.shadow_test, data.testing_distance, shouldUseBvhShadow(bounce)))
 		{
 			vec3 lighting = data.light_color * bsdf_result.evaluation * bounce.radiance * max(dot(vertex.normal.xyz, normalize(data.shadow_test.direction)), 0.f);
 			bounce.color += clamp(lighting, 0, clamp_color_max);
@@ -209,12 +203,12 @@ void trace(inout Bounce bounce)
 {
 	//Invalidate before intersection test so that we don't have to conditionally invalidate afterwards
 	bounce.hit.invalidate();
-	bounce.ray.nearestIntersection(bounce.hit, shouldUseBvh(bounce));
+	scene.nearestIntersection(bounce.ray, bounce.hit, shouldUseBvh(bounce));
 }
 
 void main()
 {
-	ivec2 target_size = textures.render_target.imageSize();
+	ivec2 target_size = render_target.imageSize();
 	int id = target_size.x * int(gl_GlobalInvocationID.y) + int(gl_GlobalInvocationID.x);
 
 	//Discard pixel if it's not visible to avoid artifacts
@@ -237,15 +231,15 @@ void main()
 	// Will execute the bounce.shade() method at the very beginning (to shade the primary ray) and then
 	// continue with first-trace-then-shade until either shade returns false (not hitting something or constribution too low)
 	// or we exceed the global bounce limit.
-	for (bounce.count = 1; bounce.shade() && bounce.count <= u_render_config.num_bounces; ++bounce.count) {
+	for (bounce.count = 1; bounce.shade() && bounce.count <= bounce_count; ++bounce.count) {
 		bounce.trace();
 	}
 
 	ivec2 pixel = ivec2(bounce.ray.px, bounce.ray.py);
-	vec4 color = textures.render_target.imageLoad(pixel);
+	vec4 color = render_target.imageLoad(pixel);
 
 	// Divide color storage by sample count to retrieve the final color.
 	// A float type render target should provide enough precision to not need a secondary color storage.
-	color = mix(color, vec4(bounce.color, 1), 1 / float(u_render_config.current_sample + 1));
-	textures.render_target.imageStore(pixel, color);
+	color = mix(color, vec4(bounce.color, 1), 1 / float(samples_current + 1));
+	render_target.imageStore(pixel, color);
 }

assets/shaders/util/scene/mesh.glsl

@@ -6,6 +6,7 @@
 #include <util/math/geometry.glsl>
 #include <util/tracing/linespace.glsl>
 #include <util/tracing/bvh_node.glsl>
+#include <util/scene/material.glsl>
 
 ////////////////////////////////////////////////////////////////////
 ////
@@ -21,13 +22,13 @@ struct Mesh
 	Vertex* vertices;
 	Triangle* triangles;
 	BVHNode* nodes;
-	int p1[2];
+	Material* material;
 	
 	GridLinespaceData grid_linespace;
 	
-	uint material;
+	//uint material;
 	uint id;
-	int p[2];
+	int p[3];
 
 	mat4 transformation;
 	mat4 inverse_transformation;

assets/shaders/util/tracing/scene.glsl

+#ifndef INCLUDE_UTIL_TRACING_SCENE_GLSL
+#define INCLUDE_UTIL_TRACING_SCENE_GLSL
+
+#include <util/tracing/bvh_node.glsl>
+#include <util/scene/camera.glsl>
+#include <util/scene/mesh.glsl>
+#include <util/scene/light.glsl>
+#include <util/scene/environment.glsl>
+
+struct Scene
+{
+	BVHNode* bvh_nodes;
+	Mesh* meshes;
+	Light* lights;
+	Environment environment;
+    Camera camera;
+	int num_meshes;
+	int num_lights;
+    bool global_bvh;
+};
+
+#endif //!INCLUDE_UTIL_TRACING_SCENE_GLSL
\ No newline at end of file

src/libraries/raytrace/data/collector_units/camera.cpp

@@ -53,6 +53,6 @@ namespace glare::raytrace
 	void CameraCollector::apply(core::Program &program)
 	{
 		if(!m_cameras.empty())
-			program.uniformStruct("u_camera", m_cameras[m_active_camera]);
+			program.uniformStruct("scene.camera", m_cameras[m_active_camera]);
 	}
 }

src/libraries/raytrace/data/collector_units/light.cpp

@@ -40,7 +40,8 @@ namespace glare::raytrace
 	}
 
 	void LightCollector::apply(core::Program &program)
-	{
-		program.storageBuffer("lights_buffer", m_light_buffer);
+	{
+		program.uniform("scene.lights", m_lights.empty() ? 0 : m_light_buffer.makeResident(gl::Access::eReadOnly));
+		program.uniform("scene.num_lights", static_cast<int>(m_lights.size()));
 	}
 }
\ No newline at end of file

src/libraries/raytrace/data/collector_units/mesh.cpp

@@ -56,18 +56,15 @@ namespace glare::raytrace
 		const bool update_mesh_transforms = (flags & DirtyFlags::eMeshTransform);
 		const bool update_materials = (flags & DirtyFlags::eMaterial);
 
-		if (update_meshes || update_mesh_transforms) {
-			m_meshes.clear();
-			assign();
-		}
-
 		if (update_materials) {
 			m_material_buffer.upload(m_materials, gl::BufferUsage::eDynamicRead);
 			if (m_material_buffer.size() != 0)
 				m_material_buffer.makeResident(gl::Access::eReadOnly);
 		}
 
-		if (update_meshes || update_mesh_transforms) {
+		if (update_meshes || update_mesh_transforms || update_materials) {
+			m_meshes.clear();
+			assign(update_meshes || update_mesh_transforms);
 			m_mesh_buffer.upload(m_meshes, gl::BufferUsage::eDynamicRead);
 		}
 	}
@@ -84,11 +81,10 @@ namespace glare::raytrace
 
 	void MeshCollector::apply(core::Program &program)
 	{
-		program.storageBuffer("mesh_buffer", m_mesh_buffer);
-		program.storageBuffer("object_bvh_buffer", m_global_bvh.buffer());
-		program.storageBuffer("object_bvh_id_buffer", m_bvh_id_buffer);
-		program.storageBuffer("material_buffer", m_material_buffer);
-		program.uniform("use_global_bvh", m_use_bvh);
+		program.uniform("scene.meshes", m_meshes.empty() ? 0 : m_mesh_buffer.makeResident(gl::Access::eReadOnly));
+		program.uniform("scene.bvh_nodes", m_global_bvh.nodes().empty() ? 0 : m_global_bvh.buffer().makeResident(gl::Access::eReadOnly));
+		program.uniform("scene.num_meshes", static_cast<int>(m_meshes.size()));
+		program.uniform("scene.global_bvh", m_use_bvh);