Refactor Vulkan setup phase 3

src/vulkan/render_pass.zig

@@ -0,0 +1,65 @@
+const std = @import("std");
+const vk = @import("vulkan");
+
+const device = @import("device.zig");
+
+pub const RenderPassContext = struct {
+    render_pass: vk.RenderPass,
+
+    pub fn destroy(self: *const RenderPassContext, ldc: *const device.LogicalDeviceContext) void {
+        ldc.vkd.destroyRenderPass(ldc.device, self.render_pass, null);
+    }
+};
+
+pub fn initRenderPass(ldc: device.LogicalDeviceContext, format: vk.Format) !RenderPassContext {
+    const color_attachment = vk.AttachmentDescription{
+        .format = format,
+        .samples = .{ .@"1_bit" = true },
+        .load_op = .clear,
+        .store_op = .store,
+        .stencil_load_op = .dont_care,
+        .stencil_store_op = .dont_care,
+        .initial_layout = .undefined,
+        .final_layout = .present_src_khr,
+    };
+
+    const color_attachment_ref = vk.AttachmentReference{
+        .attachment = 0,
+        .layout = .color_attachment_optimal,
+    };
+
+    const subpass = vk.SubpassDescription{
+        .pipeline_bind_point = .graphics,
+        .color_attachment_count = 1,
+        .p_color_attachments = @ptrCast(&color_attachment_ref),
+    };
+
+    const subpass_dependency = vk.SubpassDependency{
+        .src_subpass = vk.SUBPASS_EXTERNAL,
+        .dst_subpass = 0,
+        .src_stage_mask = .{
+            .color_attachment_output_bit = true,
+        },
+        .src_access_mask = .{},
+        .dst_stage_mask = .{
+            .color_attachment_output_bit = true,
+        },
+        .dst_access_mask = .{
+            .color_attachment_write_bit = true,
+        },
+    };
+
+    const render_pass_create_info = vk.RenderPassCreateInfo{
+        .attachment_count = 1,
+        .p_attachments = @ptrCast(&color_attachment),
+        .subpass_count = 1,
+        .p_subpasses = @ptrCast(&subpass),
+        .dependency_count = 1,
+        .p_dependencies = @ptrCast(&subpass_dependency),
+    };
+
+    const render_pass = try ldc.vkd.createRenderPass(ldc.device, &render_pass_create_info, null);
+    std.debug.print("created render pass\n", .{});
+
+    return .{ .render_pass = render_pass };
+}