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Add a frame fence

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This commit is contained in:
Przemyslaw Gasinski 2024-07-04 15:07:50 +02:00
parent 656406f121
commit 059fa90096
1 changed files with 15 additions and 2 deletions
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17
src/vulkan_renderer.zig
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@ -70,6 +70,7 @@ pub const VulkanRenderer = struct {
// Synchronisation
image_available: vk.Semaphore,
render_finished: vk.Semaphore,
frame_fence: vk.Fence,
debug_utils: ?vk.DebugUtilsMessengerEXT,
@ -102,9 +103,16 @@ pub const VulkanRenderer = struct {
}
pub fn draw(self: *Self) !void {
_ = try self.device.waitForFences(1, @ptrCast(&self.frame_fence), vk.TRUE, std.math.maxInt(u64));
_ = try self.device.resetFences(1, @ptrCast(&self.frame_fence));
// -- Get next image
// Get index of next image to be drawn to, and signal semaphore when ready to be drawn to
const image_index_result = try self.device.acquireNextImageKHR(self.swapchain, std.math.maxInt(u64), self.image_available, .null_handle);
const image_index_result = try self.device.acquireNextImageKHR(
self.swapchain,
std.math.maxInt(u64),
self.image_available,
.null_handle,
);
// -- Submit command buffer to render
// Queue submission information
@ -121,7 +129,7 @@ pub const VulkanRenderer = struct {
};
// Submit command buffer to queue
try self.device.queueSubmit(self.graphics_queue.handle, 1, @ptrCast(&submit_info), .null_handle);
try self.device.queueSubmit(self.graphics_queue.handle, 1, @ptrCast(&submit_info), self.frame_fence);
// -- Present rendered image to screen
const present_info: vk.PresentInfoKHR = .{
@ -141,6 +149,8 @@ pub const VulkanRenderer = struct {
self.instance.destroyDebugUtilsMessengerEXT(self.debug_utils.?, null);
}
_ = self.device.waitForFences(1, @ptrCast(&self.frame_fence), vk.TRUE, std.math.maxInt(u64)) catch undefined;
self.device.destroyFence(self.frame_fence, null);
self.device.destroySemaphore(self.render_finished, null);
self.device.destroySemaphore(self.image_available, null);
@ -631,6 +641,9 @@ pub const VulkanRenderer = struct {
// Semaphore creation information
self.image_available = try self.device.createSemaphore(&.{}, null);
self.render_finished = try self.device.createSemaphore(&.{}, null);
const fence_create_info: vk.FenceCreateInfo = .{ .flags = .{ .signaled_bit = true } };
self.frame_fence = try self.device.createFence(&fence_create_info, null);
}
fn recordCommands(self: *Self) !void {