67 lines
2.0 KiB
Zig
67 lines
2.0 KiB
Zig
const std = @import("std");
|
|
const log = std.log.scoped(.graphics);
|
|
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);
|
|
log.debug("created render pass", .{});
|
|
|
|
return .{ .render_pass = render_pass };
|
|
}
|