Add multisample antialiasing
This commit is contained in:
Timothy Warren
parent
2e9cdf2bd1
commit
9ac0d69f73
102
src/app/data.rs
102
src/app/data.rs
@ -47,6 +47,7 @@ pub(crate) struct AppData {
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pub(super) surface: vk::SurfaceKHR,
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// Physical Device / Logical Device
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physical_device: vk::PhysicalDevice,
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msaa_samples: vk::SampleCountFlags,
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pub(super) graphics_queue: vk::Queue,
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pub(super) present_queue: vk::Queue,
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// Swapchain
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@ -64,6 +65,10 @@ pub(crate) struct AppData {
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framebuffers: Vec<vk::Framebuffer>,
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// Command Pool
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command_pool: vk::CommandPool,
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// Color
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color_image: vk::Image,
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color_image_memory: vk::DeviceMemory,
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color_image_view: vk::ImageView,
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// Depth
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depth_image: vk::Image,
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depth_image_memory: vk::DeviceMemory,
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@ -117,6 +122,7 @@ impl AppData {
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self.create_descriptor_set_layout(&device)?;
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self.create_pipeline(&device)?;
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self.create_command_pool(&instance, &device)?;
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self.create_color_objects(&instance, &device)?;
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self.create_depth_objects(&instance, &device)?;
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self.create_framebuffers(&device)?;
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self.create_texture_image(&instance, &device)?;
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@ -256,6 +262,9 @@ impl AppData {
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/// # Safety
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/// Here be Dragons
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unsafe fn destroy_swapchain(&mut self, device: &Device) {
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device.destroy_image_view(self.color_image_view, None);
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device.free_memory(self.color_image_memory, None);
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device.destroy_image(self.color_image, None);
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device.destroy_descriptor_pool(self.descriptor_pool, None);
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self.uniform_buffers
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.iter()
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@ -296,6 +305,7 @@ impl AppData {
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} else {
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info!("Selected physical device (`{}`).", properties.device_name);
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self.physical_device = physical_device;
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self.msaa_samples = self.get_max_msaa_samples(instance);
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return Ok(());
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}
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}
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@ -323,6 +333,25 @@ impl AppData {
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Ok(())
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}
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unsafe fn get_max_msaa_samples(&self, instance: &Instance) -> vk::SampleCountFlags {
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let properties = instance.get_physical_device_properties(self.physical_device);
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let counts = properties.limits.framebuffer_color_sample_counts
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& properties.limits.framebuffer_depth_sample_counts;
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[
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vk::SampleCountFlags::_64,
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vk::SampleCountFlags::_32,
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vk::SampleCountFlags::_16,
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vk::SampleCountFlags::_8,
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vk::SampleCountFlags::_4,
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vk::SampleCountFlags::_2,
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]
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.iter()
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.cloned()
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.find(|c| counts.contains(*c))
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.unwrap_or(vk::SampleCountFlags::_1)
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}
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}
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unsafe fn check_physical_device_extensions(
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@ -482,6 +511,7 @@ impl AppData {
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self.create_swapchain_image_views(device)?;
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self.create_render_pass(instance, device)?;
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self.create_pipeline(device)?;
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self.create_color_objects(instance, device)?;
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self.create_depth_objects(instance, device)?;
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self.create_framebuffers(device)?;
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self.create_uniform_buffers(instance, device)?;
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@ -561,17 +591,17 @@ impl AppData {
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unsafe fn create_render_pass(&mut self, instance: &Instance, device: &Device) -> Result<()> {
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let color_attachment = vk::AttachmentDescription::builder()
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.format(self.swapchain_format)
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.samples(vk::SampleCountFlags::_1)
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.samples(self.msaa_samples)
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.load_op(vk::AttachmentLoadOp::CLEAR)
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.store_op(vk::AttachmentStoreOp::STORE)
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.stencil_load_op(vk::AttachmentLoadOp::DONT_CARE)
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.stencil_store_op(vk::AttachmentStoreOp::DONT_CARE)
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.initial_layout(vk::ImageLayout::UNDEFINED)
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.final_layout(vk::ImageLayout::PRESENT_SRC_KHR);
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.final_layout(vk::ImageLayout::COLOR_ATTACHMENT_OPTIMAL);
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let depth_stencil_attachment = vk::AttachmentDescription::builder()
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.format(self.get_depth_format(instance)?)
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.samples(vk::SampleCountFlags::_1)
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.samples(self.msaa_samples)
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.load_op(vk::AttachmentLoadOp::CLEAR)
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.store_op(vk::AttachmentStoreOp::DONT_CARE)
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.stencil_load_op(vk::AttachmentLoadOp::DONT_CARE)
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@ -579,6 +609,16 @@ impl AppData {
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.initial_layout(vk::ImageLayout::UNDEFINED)
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.final_layout(vk::ImageLayout::DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
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let color_resolve_attachment = vk::AttachmentDescription::builder()
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.format(self.swapchain_format)
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.samples(vk::SampleCountFlags::_1)
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.load_op(vk::AttachmentLoadOp::DONT_CARE)
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.store_op(vk::AttachmentStoreOp::STORE)
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.stencil_load_op(vk::AttachmentLoadOp::DONT_CARE)
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.stencil_store_op(vk::AttachmentStoreOp::DONT_CARE)
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.initial_layout(vk::ImageLayout::UNDEFINED)
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.final_layout(vk::ImageLayout::PRESENT_SRC_KHR);
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// Subpasses
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let color_attachment_ref = vk::AttachmentReference::builder()
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.attachment(0)
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@ -586,11 +626,16 @@ impl AppData {
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let depth_stencil_attachment_ref = vk::AttachmentReference::builder()
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.attachment(1)
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.layout(vk::ImageLayout::DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
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let color_resolve_attachment_ref = vk::AttachmentReference::builder()
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.attachment(2)
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.layout(vk::ImageLayout::COLOR_ATTACHMENT_OPTIMAL);
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let color_attachments = &[color_attachment_ref];
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let resolve_attachments = &[color_resolve_attachment_ref];
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let subpass = vk::SubpassDescription::builder()
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.pipeline_bind_point(vk::PipelineBindPoint::GRAPHICS)
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.color_attachments(color_attachments)
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.depth_stencil_attachment(&depth_stencil_attachment_ref);
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.depth_stencil_attachment(&depth_stencil_attachment_ref)
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.resolve_attachments(resolve_attachments);
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let dependency = vk::SubpassDependency::builder()
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.src_subpass(vk::SUBPASS_EXTERNAL)
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.dst_subpass(0)
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@ -608,7 +653,11 @@ impl AppData {
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| vk::AccessFlags::DEPTH_STENCIL_ATTACHMENT_WRITE,
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);
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let attachments = &[color_attachment, depth_stencil_attachment];
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let attachments = &[
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color_attachment,
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depth_stencil_attachment,
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color_resolve_attachment,
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];
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let subpasses = &[subpass];
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let dependencies = &[dependency];
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let info = vk::RenderPassCreateInfo::builder()
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@ -698,7 +747,7 @@ impl AppData {
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let multisample_state = vk::PipelineMultisampleStateCreateInfo::builder()
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.sample_shading_enable(false)
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.rasterization_samples(vk::SampleCountFlags::_1);
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.rasterization_samples(self.msaa_samples);
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let depth_stencil_state = vk::PipelineDepthStencilStateCreateInfo::builder()
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.depth_test_enable(true)
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@ -777,7 +826,7 @@ impl AppData {
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.swapchain_image_views
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.iter()
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.map(|i| {
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let attachments = &[*i, self.depth_image_view];
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let attachments = &[self.color_image_view, self.depth_image_view, *i];
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let create_info = vk::FramebufferCreateInfo::builder()
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.render_pass(self.render_pass)
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.attachments(attachments)
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@ -810,6 +859,40 @@ impl AppData {
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}
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}
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//================================================
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// Color Objects
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//================================================
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impl AppData {
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unsafe fn create_color_objects(&mut self, instance: &Instance, device: &Device) -> Result<()> {
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let (color_image, color_image_memory) = self.create_image(
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instance,
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device,
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self.swapchain_extent.width,
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self.swapchain_extent.height,
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1,
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self.msaa_samples,
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self.swapchain_format,
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vk::ImageTiling::OPTIMAL,
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vk::ImageUsageFlags::COLOR_ATTACHMENT | vk::ImageUsageFlags::TRANSIENT_ATTACHMENT,
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vk::MemoryPropertyFlags::DEVICE_LOCAL,
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)?;
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self.color_image = color_image;
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self.color_image_memory = color_image_memory;
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self.color_image_view = create_image_view(
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device,
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self.color_image,
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self.swapchain_format,
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vk::ImageAspectFlags::COLOR,
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1,
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)?;
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Ok(())
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}
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}
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//================================================
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// Depth Objects
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//================================================
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@ -823,6 +906,7 @@ impl AppData {
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self.swapchain_extent.width,
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self.swapchain_extent.height,
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1,
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self.msaa_samples,
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format,
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vk::ImageTiling::OPTIMAL,
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vk::ImageUsageFlags::DEPTH_STENCIL_ATTACHMENT,
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@ -928,6 +1012,7 @@ impl AppData {
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width,
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height,
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self.mip_levels,
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vk::SampleCountFlags::_1,
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vk::Format::R8G8B8A8_SRGB,
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vk::ImageTiling::OPTIMAL,
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vk::ImageUsageFlags::SAMPLED
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@ -1530,6 +1615,7 @@ impl AppData {
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width: u32,
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height: u32,
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mip_levels: u32,
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samples: vk::SampleCountFlags,
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format: vk::Format,
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tiling: vk::ImageTiling,
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usage: vk::ImageUsageFlags,
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@ -1548,7 +1634,7 @@ impl AppData {
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.tiling(tiling)
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.initial_layout(vk::ImageLayout::UNDEFINED)
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.usage(usage)
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.samples(vk::SampleCountFlags::_1)
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.samples(samples)
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.sharing_mode(vk::SharingMode::EXCLUSIVE);
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let image = device.create_image(&info, None)?;
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