Finished GeometryManager and added AABB raster support

src/main/resources/assets/zenith/shaders/lod/gl46/bindings.glsl

@@ -21,11 +21,11 @@ struct SectionMeta {
     uint posA;
     uint posB;
     uint AABB;
-    uint _padA;
     uint ptr;
-    uint cnt;
-    uint _padB;
-    uint _padC;
+    uint cntA;
+    uint cntB;
+    uint cntC;
+    uint cntD;
 };
 
 //TODO: see if making the stride 2*4*4 bytes or something cause you get that 16 byte write

src/main/resources/assets/zenith/shaders/lod/gl46/cmdgen.comp

@@ -55,11 +55,13 @@ void main() {
     }
 
     if (shouldRender) {
+        uint basePtr = extractQuadStart(meta);
+
         DrawCommand cmd;
-        cmd.count = extractQuadCount(meta) * 6;
+        cmd.count = (meta.cntA&0xFFFF) * 6;
         cmd.instanceCount = 1;
         cmd.firstIndex = 0;
-        cmd.baseVertex = int(extractQuadStart(meta))<<2;
+        cmd.baseVertex = int(basePtr)<<2;
         cmd.baseInstance = encodeLocalLodPos(detail, ipos);
         cmdBuffer[atomicAdd(opaqueDrawCount, 1)] = cmd;
     }

src/main/resources/assets/zenith/shaders/lod/gl46/cull/raster.vert

@@ -14,12 +14,15 @@ void main() {
 
     uint detail = extractDetail(section);
     ivec3 ipos = extractPosition(section);
+    ivec3 aabbOffset = extractAABBOffset(section);
+    ivec3 size = extractAABBSize(section);
 
     //Transform ipos with respect to the vertex corner
-    ipos += ivec3(gl_VertexID&1, (gl_VertexID>>2)&1, (gl_VertexID>>1)&1);
+    ivec3 pos = (((ipos<<detail)-baseSectionPos)<<5);
+    pos += aabbOffset;
+    pos += (ivec3(gl_VertexID&1, (gl_VertexID>>2)&1, (gl_VertexID>>1)&1)*size)*(1<<detail);
 
-    vec3 cornerPos = vec3(((ipos<<detail)-baseSectionPos)<<5);
-    gl_Position = MVP * vec4(cornerPos,1);
+    gl_Position = MVP * vec4(vec3(pos),1);
 
     //Write to this id
     id = sid;

src/main/resources/assets/zenith/shaders/lod/gl46/section.glsl

@@ -16,6 +16,10 @@ uint extractQuadStart(SectionMeta meta) {
     return meta.ptr;
 }
 
-uint extractQuadCount(SectionMeta meta) {
-    return meta.cnt;
+ivec3 extractAABBOffset(SectionMeta meta) {
+    return (ivec3(meta.AABB)>>ivec3(0,5,10))&31;
+}
+
+ivec3 extractAABBSize(SectionMeta meta) {
+    return ((ivec3(meta.AABB)>>ivec3(15,20,25))&31)+1;//The size is + 1 cause its always at least 1x1x1
 }