Load and convert skybox to cubemap

src/Game.zig

@@ -16,6 +16,7 @@ const Materials = @import("assets/Materials.zig");
 const Matrix4x4 = math.Matrix4x4;
 const Player = @import("Player.zig");
 const Quaternion = math.Quaternion;
+const Skybox = @import("engine/Skybox.zig");
 const StagingBuffer = @import("engine/StagingBuffer.zig");
 const Swapchain = @import("engine/Swapchain.zig");
 const Textures = @import("assets/Textures.zig");
@@ -48,6 +49,7 @@ blocks: Blocks,
 materials: Materials,
 textures: Textures,
 chunks: std.AutoHashMapUnmanaged([3]i16, Chunk),
+skybox: Skybox,
 
 player: Player,
 
@@ -616,6 +618,9 @@ pub fn init(allocator: std.mem.Allocator, engine: *Engine, swapchain: *Swapchain
         .elements = directional_lights_data,
     });
 
+    var skybox = try Skybox.load("skybox.hdr", engine, 512, allocator);
+    errdefer skybox.deinit(engine);
+
     return .{
         .allocator = allocator,
         .engine = engine,
@@ -642,6 +647,7 @@ pub fn init(allocator: std.mem.Allocator, engine: *Engine, swapchain: *Swapchain
         .materials = materials,
         .textures = textures,
         .chunks = chunks,
+        .skybox = skybox,
 
         .player = .init(player_position, 0, 0),
     };
@@ -658,6 +664,7 @@ pub fn deinit(self: *Game) void {
         chunk.deinit(self.engine, self.descriptor_pool);
     }
     self.chunks.deinit(self.allocator);
+    self.skybox.deinit(self.engine);
 
     self.global_uniforms.deinit(self.engine);
     self.global_uniforms_staging_buffer.deinit(self.engine);