work on chunk outline renderer

src/main/resources/assets/voxy/shaders/chunkoutline/outline.fsh

@@ -0,0 +1,4 @@
+#version 460 core
+layout(early_fragment_tests) in;
+
+void main() {}

src/main/resources/assets/voxy/shaders/chunkoutline/outline.vsh

@@ -0,0 +1,21 @@
+#version 450
+
+layout(location = 0) out vec2 uv;
+layout(binding = 0, std140) uniform SceneUniform {
+    mat4 MVP;
+    ivec4 section;
+};
+
+layout(binding = 1, std430) restrict readonly buffer ChunkPosBuffer {
+    ivec2[] chunkPos;
+};
+
+void main() {
+    ivec3 cubeCornerI = ivec3(gl_VertexID&1, (gl_VertexID>>2)&1, (gl_VertexID>>1)&1);
+    cubeCornerI.xz += chunkPos[gl_InstanceID];
+    //Expand the y height to be big (will be +- 8192)
+    //TODO: make it W.R.T world height and offsets
+    cubeCornerI.y = cubeCornerI.y*1024-512;
+    cubeCornerI -= section.xyz;
+    gl_Position = MVP * vec4(vec3(cubeCornerI*16), 1);
+}