use crate::{
Bind, BindGroupLayout, BindGroupLayoutDesc, BindingType, Buffer, BufferDesc, BufferUsageFlags,
- ClearValue, CommandBufferToken, ComputePipelineDesc, Device, FrameToken, GpuConcurrent,
- GraphicsPipelineDesc, LoadOp, MemoryLocation, Pipeline, Sampler, SamplerAddressMode,
- SamplerCompareOp, SamplerDesc, SamplerFilter, ShaderStageFlags, Texture, TextureDesc,
- TextureDimension, TextureFormat, TextureUsageFlags, TextureViewDesc, ThreadToken, TypedBind,
+ ClearValue, CommandBufferToken, CompareOp, ComputePipelineDesc, CullingMode, Device,
+ FrameToken, FrontFace, GpuConcurrent, GraphicsPipelineDesc, IndexType, LoadOp, MemoryLocation,
+ Pipeline, PolygonMode, Sampler, SamplerAddressMode, SamplerCompareOp, SamplerDesc,
+ SamplerFilter, ShaderStageFlags, StencilOp, StencilOpState, Texture, TextureDesc,
+ TextureDimension, TextureFormat, TextureUsageFlags, TextureViewDesc, ThreadToken, Topology,
+ TypedBind,
};
const NUM_FRAMES: usize = 2;
v
}
+#[must_use]
+fn vulkan_bool32(b: bool) -> vk::Bool32 {
+ const VALUES: [vk::Bool32; 2] = [vk::Bool32::False, vk::Bool32::True];
+ VALUES[b as usize]
+}
+
#[must_use]
fn vulkan_format(format: TextureFormat) -> vk::Format {
match format {
TextureFormat::RGBA8_UNORM => vk::Format::R8G8B8A8_UNORM,
TextureFormat::BGRA8_SRGB => vk::Format::B8G8R8A8_SRGB,
TextureFormat::BGRA8_UNORM => vk::Format::B8G8R8A8_UNORM,
+ TextureFormat::DEPTH_F32 => vk::Format::D32_SFLOAT,
}
}
| TextureFormat::BGRA8_UNORM
| TextureFormat::RGBA8_SRGB
| TextureFormat::RGBA8_UNORM => vk::ImageAspectFlags::COLOR,
+ TextureFormat::DEPTH_F32 => vk::ImageAspectFlags::DEPTH,
}
}
}
}
+#[must_use]
+fn vulkan_index_type(index_type: IndexType) -> vk::IndexType {
+ match index_type {
+ IndexType::U16 => vk::IndexType::Uint16,
+ IndexType::U32 => vk::IndexType::Uint32,
+ }
+}
+
+#[must_use]
+fn vulkan_primitive_topology(primitive_topology: Topology) -> vk::PrimitiveTopology {
+ match primitive_topology {
+ Topology::Points => vk::PrimitiveTopology::PointList,
+ Topology::Lines => vk::PrimitiveTopology::LineList,
+ Topology::LineStrip => vk::PrimitiveTopology::LineStrip,
+ Topology::Triangles => vk::PrimitiveTopology::TriangleList,
+ Topology::TriangleStrip => vk::PrimitiveTopology::TriangleStrip,
+ }
+}
+
+#[must_use]
+fn vulkan_polygon_mode(polygon_mode: PolygonMode) -> vk::PolygonMode {
+ match polygon_mode {
+ PolygonMode::Fill => vk::PolygonMode::Fill,
+ PolygonMode::Line => vk::PolygonMode::Line,
+ PolygonMode::Point => vk::PolygonMode::Point,
+ }
+}
+
+#[must_use]
+fn vulkan_cull_mode(culling_mode: CullingMode) -> vk::CullModeFlags {
+ match culling_mode {
+ CullingMode::None => vk::CullModeFlags::NONE,
+ CullingMode::Front => vk::CullModeFlags::FRONT,
+ CullingMode::Back => vk::CullModeFlags::BACK,
+ }
+}
+
+#[must_use]
+fn vulkan_front_face(front_face: FrontFace) -> vk::FrontFace {
+ match front_face {
+ FrontFace::Clockwise => vk::FrontFace::Clockwise,
+ FrontFace::CounterClockwise => vk::FrontFace::CounterClockwise,
+ }
+}
+
+#[must_use]
+fn vulkan_compare_op(compare_op: CompareOp) -> vk::CompareOp {
+ match compare_op {
+ CompareOp::Never => vk::CompareOp::Never,
+ CompareOp::Less => vk::CompareOp::Less,
+ CompareOp::Equal => vk::CompareOp::Equal,
+ CompareOp::LessOrEqual => vk::CompareOp::LessOrEqual,
+ CompareOp::Greater => vk::CompareOp::Greater,
+ CompareOp::NotEqual => vk::CompareOp::NotEqual,
+ CompareOp::GreaterOrEqual => vk::CompareOp::GreaterOrEqual,
+ CompareOp::Always => vk::CompareOp::Always,
+ }
+}
+
+#[must_use]
+fn vulkan_stencil_op(stencil_op: StencilOp) -> vk::StencilOp {
+ match stencil_op {
+ StencilOp::Keep => vk::StencilOp::Keep,
+ StencilOp::Zero => vk::StencilOp::Zero,
+ StencilOp::Replace => vk::StencilOp::Replace,
+ StencilOp::IncrementAndClamp => vk::StencilOp::IncrementAndClamp,
+ StencilOp::DecrementAndClamp => vk::StencilOp::DecrementAndClamp,
+ StencilOp::Invert => vk::StencilOp::Invert,
+ StencilOp::IncrementAndWrap => vk::StencilOp::IncrementAndWrap,
+ StencilOp::DecrementAndWrap => vk::StencilOp::DecrementAndWrap,
+ }
+}
+
+#[must_use]
+fn vulkan_stencil_op_state(stencil_op_state: StencilOpState) -> vk::StencilOpState {
+ vk::StencilOpState {
+ fail_op: vulkan_stencil_op(stencil_op_state.fail_op),
+ pass_op: vulkan_stencil_op(stencil_op_state.pass_op),
+ depth_fail_op: vulkan_stencil_op(stencil_op_state.depth_fail_op),
+ compare_op: vulkan_compare_op(stencil_op_state.compare_op),
+ compare_mask: stencil_op_state.compare_mask,
+ write_mask: stencil_op_state.write_mask,
+ reference: stencil_op_state.reference,
+ }
+}
+
struct DelayQueue<T> {
delay: u64,
counter: u64,
},
];
+ let topology = vulkan_primitive_topology(desc.topology);
+ let polygon_mode = vulkan_polygon_mode(desc.polygon_mode);
+ let cull_mode = vulkan_cull_mode(desc.culling_mode);
+ let front_face = vulkan_front_face(desc.front_face);
+ let depth_compare_op = vulkan_compare_op(desc.depth_compare_op);
+ let depth_test_enable = vulkan_bool32(desc.depth_test_enable);
+ let depth_write_enable = vulkan_bool32(desc.depth_write_enable);
+ let stencil_test_enable = vulkan_bool32(desc.stencil_test_enable);
+ let back = vulkan_stencil_op_state(desc.stencil_back);
+ let front = vulkan_stencil_op_state(desc.stencil_front);
+
let vertex_input_state = vk::PipelineVertexInputStateCreateInfo::default();
let input_assembly_state = vk::PipelineInputAssemblyStateCreateInfo {
- topology: vk::PrimitiveTopology::TriangleList,
+ topology,
..default()
};
let viewport_state = vk::PipelineViewportStateCreateInfo::default();
let rasterization_state = vk::PipelineRasterizationStateCreateInfo {
line_width: 1.0,
+ polygon_mode,
+ cull_mode,
+ front_face,
..default()
};
let multisample_state = vk::PipelineMultisampleStateCreateInfo {
rasterization_samples: vk::SampleCountFlags::SAMPLE_COUNT_1,
..default()
};
+ let depth_stencil_state = vk::PipelineDepthStencilStateCreateInfo {
+ depth_compare_op,
+ depth_test_enable,
+ depth_write_enable,
+ min_depth_bounds: 0.0,
+ max_depth_bounds: 1.0,
+ stencil_test_enable,
+ back,
+ front,
+ ..default()
+ };
let color_blend_attachments = &[vk::PipelineColorBlendAttachmentState {
color_write_mask: vk::ColorComponentFlags::R
| vk::ColorComponentFlags::G
.copied()
.map(vulkan_format),
);
-
let pipeline_rendering_create_info = vk::PipelineRenderingCreateInfo {
view_mask: 0,
color_attachment_formats: color_attachment_formats.into(),
viewport_state: Some(&viewport_state),
rasterization_state: Some(&rasterization_state),
multisample_state: Some(&multisample_state),
+ depth_stencil_state: Some(&depth_stencil_state),
color_blend_state: Some(&color_blend_state),
dynamic_state: Some(&dynamic_state),
layout,
..default()
}
}
- TypedBind::Buffer(buffers) => {
+ TypedBind::UniformBuffer(buffers) => {
let buffer_infos_iter = buffers.iter().map(|buffer| {
let buffer = self.buffer_pool.lock().get(buffer.0).unwrap().buffer;
vk::DescriptorBufferInfo {
..default()
}
}
+ TypedBind::StorageBuffer(buffers) => {
+ let buffer_infos_iter = buffers.iter().map(|buffer| {
+ let buffer = self.buffer_pool.lock().get(buffer.0).unwrap().buffer;
+ vk::DescriptorBufferInfo {
+ buffer,
+ offset: 0,
+ range: !0,
+ }
+ });
+ let buffer_infos = arena.alloc_slice_fill_iter(buffer_infos_iter);
+ vk::WriteDescriptorSet {
+ dst_set: descriptor_set,
+ dst_binding: bind.binding,
+ dst_array_element: bind.array_element,
+ descriptor_count: buffer_infos.len() as u32,
+ descriptor_type: vk::DescriptorType::StorageBuffer,
+ buffer_info: buffer_infos.as_ptr(),
+ ..default()
+ }
+ }
});
let write_descriptors = arena.alloc_slice_fill_iter(write_descriptors_iter);
}
}
+ fn cmd_set_index_buffer(
+ &self,
+ command_buffer_token: &CommandBufferToken,
+ buffer: Buffer,
+ offset: u64,
+ index_type: IndexType,
+ ) {
+ let buffer = self.buffer_pool.lock().get(buffer.0).unwrap().buffer;
+ let command_buffer = vk::CommandBuffer::from_raw(command_buffer_token.raw);
+ let index_type = vulkan_index_type(index_type);
+ unsafe {
+ self.device_fn
+ .cmd_bind_index_buffer(command_buffer, buffer, offset, index_type)
+ }
+ }
+
fn cmd_set_pipeline(&self, command_buffer_token: &CommandBufferToken, pipeline: Pipeline) {
let command_buffer = vk::CommandBuffer::from_raw(command_buffer_token.raw);
let VulkanPipeline {
})
.collect::<Vec<_>>();
+ let depth_attachment = desc.depth_attachment.as_ref().map(|attachment| {
+ let image_view = match self.texture_pool.lock().get(attachment.texture.0).unwrap() {
+ VulkanTextureHolder::Unique(texture) => texture.view,
+ VulkanTextureHolder::Shared(texture) => texture.view,
+ VulkanTextureHolder::Swapchain(_) => panic!(),
+ };
+
+ let (load_op, clear_value) = match attachment.load_op {
+ LoadOp::Load => (vk::AttachmentLoadOp::Load, vk::ClearValue::default()),
+ LoadOp::Clear(clear_value) => {
+ (vk::AttachmentLoadOp::Clear, vulkan_clear_value(clear_value))
+ }
+ LoadOp::DontCare => (vk::AttachmentLoadOp::DontCare, vk::ClearValue::default()),
+ };
+
+ let store_op = match attachment.store_op {
+ crate::StoreOp::Store => vk::AttachmentStoreOp::Store,
+ crate::StoreOp::DontCare => vk::AttachmentStoreOp::DontCare,
+ };
+ vk::RenderingAttachmentInfo {
+ image_view,
+ image_layout: vk::ImageLayout::DepthAttachmentOptimal,
+ load_op,
+ store_op,
+ clear_value,
+ ..default()
+ }
+ });
+
let rendering_info = vk::RenderingInfo {
flags: vk::RenderingFlags::default(),
render_area: vk::Rect2d {
layer_count: 1,
view_mask: 0,
color_attachments: color_attachments.as_slice().into(),
- depth_attachment: None,
+ depth_attachment: depth_attachment.as_ref(),
stencil_attachment: None,
..default()
};
}
}
+ fn cmd_draw_indexed(
+ &self,
+ command_buffer_token: &CommandBufferToken,
+ index_count: u32,
+ instance_count: u32,
+ first_index: u32,
+ vertex_offset: i32,
+ first_instance: u32,
+ ) {
+ let command_buffer = vk::CommandBuffer::from_raw(command_buffer_token.raw);
+ unsafe {
+ self.device_fn.cmd_draw_indexed(
+ command_buffer,
+ index_count,
+ instance_count,
+ first_index,
+ vertex_offset,
+ first_instance,
+ )
+ }
+ }
+
fn submit(
&self,
frame_token: &FrameToken,
{
let mut image_views = Vec::new();
let mut images = Vec::new();
+ let mut memories = Vec::new();
for texture in self.texture_pool.get_mut().values() {
match texture {
VulkanTextureHolder::Unique(texture) => {
image_views.push(texture.view);
- images.push(texture.texture.image)
+ images.push(texture.texture.image);
+ memories.push(texture.texture.memory.memory);
}
VulkanTextureHolder::Shared(texture) => {
image_views.push(texture.view);
for image in images {
unsafe { device_fn.destroy_image(device, image, None) }
}
+
+ for memory in memories {
+ unsafe { device_fn.free_memory(device, memory, None) }
+ }
}
for sampler in self.sampler_pool.get_mut().values() {
-mtllib blÄhaj.mtl
+# Blender 3.3.1
+# www.blender.org
o BlÄhaj
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-usemtl BlÄhaj
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+f 55/125/35 53/120/35 54/123/35
+f 57/130/35 55/125/35 56/129/35
+f 59/134/35 57/130/35 58/133/35
+f 61/139/35 59/134/35 60/136/35
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+f 109/247/35 108/244/35 106/239/35
+f 99/225/262 55/126/262 112/253/262
+f 111/251/263 53/121/263 98/223/263
+f 116/264/264 82/187/264 80/183/264
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+f 81/185/266 83/189/266 117/266/266
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+f 50/114/268 48/110/268 134/304/268
+f 68/155/269 66/151/269 136/308/269
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+f 100/227/271 102/231/271 128/293/271
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+f 123/279/278 61/140/278 106/240/278
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+f 90/204/280 88/200/280 132/300/280
+f 55/127/281 57/131/281 122/276/281
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+f 122/276/284 57/131/284 59/135/284
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+f 75/172/286 77/176/286 126/288/286
+f 97/220/287 96/218/287 137/310/287
+f 62/142/288 60/137/288 113/255/288
+f 125/285/289 114/259/289 124/283/289
+f 114/259/290 125/285/290 117/267/290
+f 119/271/291 112/254/291 111/251/291
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+f 110/248/293 134/304/293 142/323/293
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+f 149/339/305 153/350/305 152/347/305
-use std::time::Instant;
+use std::{path::Path, time::Instant};
use narcissus_app::{create_app, Event, WindowDesc};
-use narcissus_core::{cstr, obj, slice, Image};
+use narcissus_core::{cstr, default, obj, Image};
use narcissus_gpu::{
create_vulkan_device, Bind, BindGroupLayoutDesc, BindGroupLayoutEntryDesc, BindingType, Buffer,
- BufferDesc, BufferUsageFlags, ClearValue, Device, GraphicsPipelineDesc, GraphicsPipelineLayout,
- LoadOp, MemoryLocation, RenderingAttachment, RenderingDesc, Scissor, ShaderDesc,
- ShaderStageFlags, StoreOp, TextureDesc, TextureDimension, TextureFormat, TextureUsageFlags,
- TextureViewDesc, ThreadToken, TypedBind, Viewport,
+ BufferDesc, BufferUsageFlags, ClearValue, CompareOp, CullingMode, Device, FrontFace,
+ GraphicsPipelineDesc, GraphicsPipelineLayout, IndexType, LoadOp, MemoryLocation, PolygonMode,
+ RenderingAttachment, RenderingDesc, Scissor, ShaderDesc, ShaderStageFlags, StoreOp,
+ TextureDesc, TextureDimension, TextureFormat, TextureUsageFlags, ThreadToken, Topology,
+ TypedBind, Viewport,
};
-use narcissus_maths::{Vec2, Vec3};
+use narcissus_maths::{sin_cos_pi_f32, Deg, Mat4, Point3, Vec2, Vec3, Vec4};
+
+/// Marker trait indicates it's safe to convert a given type directly to an array of bytes.
+///
+/// # Safety
+///
+/// Must not be applied to any types with padding
+unsafe trait Blittable: Sized {}
+
+#[allow(unused)]
+struct Uniform {
+ clip_from_model: Mat4,
+}
-pub fn main() {
- let blÄhaj_obj = std::fs::File::open("narcissus/data/blÄhaj.obj").unwrap();
+unsafe impl Blittable for Uniform {}
+
+#[allow(unused)]
+struct Vertex {
+ position: [f32; 4],
+ normal: [f32; 4],
+ texcoord: [f32; 4],
+}
+unsafe impl Blittable for Vertex {}
+unsafe impl Blittable for u16 {}
+
+fn load_obj<P: AsRef<Path>>(path: P) -> (Vec<Vertex>, Vec<u16>) {
#[derive(Default)]
struct ObjVisitor {
- position: Vec<Vec3>,
+ positions: Vec<Vec3>,
normals: Vec<Vec3>,
texcoords: Vec<Vec2>,
indices: Vec<[(i32, i32, i32); 3]>,
impl obj::Visitor for ObjVisitor {
fn visit_position(&mut self, x: f32, y: f32, z: f32, _w: f32) {
- self.position.push(Vec3::new(x, y, z))
+ self.positions.push(Vec3::new(x, y, z))
}
fn visit_texcoord(&mut self, u: f32, v: f32, _w: f32) {
}
fn visit_face(&mut self, indices: &[(i32, i32, i32)]) {
- for triangle in slice::array_windows::<_, 3>(indices) {
- self.indices.push(*triangle)
- }
+ self.indices
+ .push(indices.try_into().expect("not a triangle"));
}
fn visit_object(&mut self, _name: &str) {}
fn visit_smooth_group(&mut self, _group: i32) {}
}
- let mut obj_visitor = ObjVisitor::default();
- let mut obj_parser = obj::Parser::new(blÄhaj_obj);
-
let start = std::time::Instant::now();
- obj_parser.visit(&mut obj_visitor).unwrap();
- let end = std::time::Instant::now();
+ let path = path.as_ref();
+ let file = std::fs::File::open(path).expect("couldn't open file");
+ let mut visitor = ObjVisitor::default();
+
+ obj::Parser::new(file)
+ .visit(&mut visitor)
+ .expect("failed to parse obj file");
+
+ let (vertices, indices): (Vec<_>, Vec<_>) = visitor
+ .indices
+ .iter()
+ .flatten()
+ .enumerate()
+ .map(|(index, &(position_index, texcoord_index, normal_index))| {
+ let position = visitor.positions[position_index as usize - 1];
+ let normal = visitor.normals[normal_index as usize - 1];
+ let texcoord = visitor.texcoords[texcoord_index as usize - 1];
+ (
+ Vertex {
+ position: Vec4::new(position.x, position.y, position.z, 0.0).into(),
+ normal: Vec4::new(normal.x, normal.y, normal.z, 0.0).into(),
+ texcoord: Vec4::new(texcoord.x, texcoord.y, 0.0, 0.0).into(),
+ },
+ index as u16,
+ )
+ })
+ .unzip();
println!(
- "loaded {} vertices, {} normals, {} texcoords, and {} indices",
- obj_visitor.position.len(),
- obj_visitor.normals.len(),
- obj_visitor.texcoords.len(),
- obj_visitor.indices.len(),
+ "parsing obj {path:?} took {:?}",
+ std::time::Instant::now() - start
);
- println!("took {:?}", end - start);
- let start = std::time::Instant::now();
- let blÄhaj_image = std::fs::read("narcissus/data/blÄhaj.png").unwrap();
- let blÄhaj = Image::from_buffer(&blÄhaj_image).unwrap();
- let end = std::time::Instant::now();
+ (vertices, indices)
+}
+fn load_img<P: AsRef<Path>>(path: P) -> Image {
+ let start = std::time::Instant::now();
+ let path = path.as_ref();
+ let image = Image::from_buffer(std::fs::read(path).expect("failed to read file").as_slice())
+ .expect("failed to load image");
println!(
- "loaded blÄhaj width: {}, height: {}, components: {}",
- blÄhaj.width(),
- blÄhaj.height(),
- blÄhaj.components()
+ "loading image {path:?} took {:?}",
+ std::time::Instant::now() - start
);
- println!("took {:?}", end - start);
+ image
+}
+
+fn create_buffer_with_data<T>(device: &dyn Device, usage: BufferUsageFlags, data: &[T]) -> Buffer
+where
+ T: Blittable,
+{
+ let len = data.len() * std::mem::size_of::<T>();
+ let buffer = device.create_buffer(&BufferDesc {
+ memory_location: MemoryLocation::PreferHost,
+ usage,
+ size: len,
+ });
+ // Safety: T: Blittable which implies it's freely convertable to a byte slice.
+ unsafe {
+ let dst = std::slice::from_raw_parts_mut(device.map_buffer(buffer), len);
+ let src = std::slice::from_raw_parts(data.as_ptr() as *const u8, len);
+ dst.copy_from_slice(src);
+ device.unmap_buffer(buffer);
+ }
+ buffer
+}
+
+struct UniformBufferMap<'a> {
+ device: &'a dyn Device,
+ buffer: Buffer,
+ slice: &'a mut [u8],
+}
+
+impl<'a> UniformBufferMap<'a> {
+ pub fn new(device: &'a dyn Device, len: usize) -> Self {
+ let buffer = device.create_buffer(&BufferDesc {
+ memory_location: MemoryLocation::PreferHost,
+ usage: BufferUsageFlags::UNIFORM,
+ size: len,
+ });
+ unsafe {
+ let ptr = device.map_buffer(buffer);
+ let slice = std::slice::from_raw_parts_mut(ptr, len);
+ Self {
+ device,
+ buffer,
+ slice,
+ }
+ }
+ }
+
+ pub fn buffer(&self) -> Buffer {
+ self.buffer
+ }
+
+ pub fn write<T>(&mut self, value: T)
+ where
+ T: Blittable,
+ {
+ unsafe {
+ let src = std::slice::from_raw_parts(
+ &value as *const T as *const u8,
+ std::mem::size_of::<T>(),
+ );
+ self.slice.copy_from_slice(src)
+ }
+ }
+}
+
+impl<'a> Drop for UniformBufferMap<'a> {
+ fn drop(&mut self) {
+ // Safety: Make sure we don't have the slice outlive the mapping.
+ unsafe {
+ self.device.unmap_buffer(self.buffer);
+ }
+ }
+}
+
+pub fn main() {
+ let _blÄhaj_image = load_img("narcissus/data/blÄhaj.png");
+ let (blÄhaj_vertices, blÄhaj_indices) = load_obj("narcissus/data/blÄhaj.obj");
let app = create_app();
+ let window = app.create_window(&WindowDesc {
+ title: "narcissus",
+ width: 800,
+ height: 600,
+ });
let device = create_vulkan_device(app.as_ref());
let mut thread_token = ThreadToken::new();
#[repr(align(4))]
struct Spirv<const LEN: usize>([u8; LEN]);
- let vert_shader_spv = Spirv(*include_bytes!("shaders/triangle.vert.spv"));
- let frag_shader_spv = Spirv(*include_bytes!("shaders/triangle.frag.spv"));
+ let vert_shader_spv = Spirv(*include_bytes!("shaders/basic.vert.spv"));
+ let frag_shader_spv = Spirv(*include_bytes!("shaders/basic.frag.spv"));
- let bind_group_layout = device.create_bind_group_layout(&BindGroupLayoutDesc {
+ let uniform_bind_group_layout = device.create_bind_group_layout(&BindGroupLayoutDesc {
entries: &[BindGroupLayoutEntryDesc {
slot: 0,
stages: ShaderStageFlags::ALL,
}],
});
+ let storage_bind_group_layout = device.create_bind_group_layout(&BindGroupLayoutDesc {
+ entries: &[BindGroupLayoutEntryDesc {
+ slot: 0,
+ stages: ShaderStageFlags::ALL,
+ binding_type: BindingType::StorageBuffer,
+ count: 1,
+ }],
+ });
+
let pipeline = device.create_graphics_pipeline(&GraphicsPipelineDesc {
vertex_shader: ShaderDesc {
entrypoint_name: cstr!("main"),
entrypoint_name: cstr!("main"),
code: &frag_shader_spv.0,
},
- bind_group_layouts: &[bind_group_layout],
+ bind_group_layouts: &[uniform_bind_group_layout, storage_bind_group_layout],
layout: GraphicsPipelineLayout {
color_attachment_formats: &[TextureFormat::BGRA8_SRGB],
- depth_attachment_format: None,
+ depth_attachment_format: Some(TextureFormat::DEPTH_F32),
stencil_attachment_format: None,
},
+ topology: Topology::Triangles,
+ polygon_mode: PolygonMode::Fill,
+ culling_mode: CullingMode::Back,
+ front_face: FrontFace::Clockwise,
+ depth_compare_op: CompareOp::GreaterOrEqual,
+ depth_test_enable: true,
+ depth_write_enable: true,
+ stencil_test_enable: false,
+ stencil_back: default(),
+ stencil_front: default(),
});
- let window = app.create_window(&WindowDesc {
- title: "narcissus",
- width: 800,
- height: 600,
- });
-
- let texture = device.create_texture(&TextureDesc {
- memory_location: MemoryLocation::PreferDevice,
- usage: TextureUsageFlags::SAMPLED,
- dimension: TextureDimension::Type2d,
- format: TextureFormat::BGRA8_SRGB,
- width: 800,
- height: 600,
- depth: 1,
- layers: 1,
- mip_levels: 1,
- });
-
- let texture2 = device.create_texture_view(&TextureViewDesc {
- texture,
- dimension: TextureDimension::Type2d,
- format: TextureFormat::BGRA8_SRGB,
- base_mip: 0,
- mip_count: 1,
- base_layer: 0,
- layer_count: 1,
- });
-
- let frame_token = device.begin_frame();
- device.destroy_texture(&frame_token, texture);
- device.destroy_texture(&frame_token, texture2);
- device.end_frame(frame_token);
-
- struct UniformBufferMap<'a> {
- device: &'a dyn Device,
- buffer: Buffer,
- slice: &'a mut [u8],
- }
-
- impl<'a> UniformBufferMap<'a> {
- pub fn new(device: &'a dyn Device, len: usize) -> Self {
- let buffer = device.create_buffer(&BufferDesc {
- memory_location: MemoryLocation::PreferHost,
- usage: BufferUsageFlags::UNIFORM,
- size: len,
- });
- unsafe {
- let ptr = device.map_buffer(buffer);
- let slice = std::slice::from_raw_parts_mut(ptr, len);
- Self {
- device,
- buffer,
- slice,
- }
- }
- }
-
- pub fn buffer(&self) -> Buffer {
- self.buffer
- }
+ let blÄhaj_vertex_buffer = create_buffer_with_data(
+ device.as_ref(),
+ BufferUsageFlags::STORAGE,
+ blÄhaj_vertices.as_slice(),
+ );
- pub fn write_f32(&mut self, value: f32) {
- self.slice.copy_from_slice(&value.to_le_bytes());
- }
- }
+ let blÄhaj_index_buffer = create_buffer_with_data(
+ device.as_ref(),
+ BufferUsageFlags::INDEX,
+ blÄhaj_indices.as_slice(),
+ );
- impl<'a> Drop for UniformBufferMap<'a> {
- fn drop(&mut self) {
- // Safety: Make sure we don't have the slice outlive the mapping.
- unsafe {
- self.device.unmap_buffer(self.buffer);
- }
- }
- }
+ let mut uniforms = UniformBufferMap::new(device.as_ref(), std::mem::size_of::<Uniform>());
- let mut uniforms = UniformBufferMap::new(device.as_ref(), 4);
+ let mut depth_width = 0;
+ let mut depth_height = 0;
+ let mut depth_image = default();
let start_time = Instant::now();
'main: loop {
let frame_token = device.begin_frame();
let frame_start = Instant::now() - start_time;
- let frame_start = frame_start.as_secs_f32();
+ let frame_start = frame_start.as_secs_f32() * 0.5;
+
+ let (s, c) = sin_cos_pi_f32(frame_start);
+ let camera_from_model =
+ Mat4::look_at(Point3::new(s * 5.0, 1.0, c * 5.0), Point3::ZERO, -Vec3::Y);
+ let clip_from_camera =
+ Mat4::perspective_rev_inf_zo(Deg::new(90.0).into(), 800.0 / 600.0, 0.01);
+
+ let clip_from_model = clip_from_camera * camera_from_model;
- uniforms.write_f32(frame_start);
+ uniforms.write(Uniform { clip_from_model });
while let Some(event) = app.poll_event() {
use Event::*;
let (width, height, swapchain_image) =
device.acquire_swapchain(&frame_token, window, TextureFormat::BGRA8_SRGB);
+ if width != depth_width || height != depth_height {
+ device.destroy_texture(&frame_token, depth_image);
+ depth_image = device.create_texture(&TextureDesc {
+ memory_location: MemoryLocation::PreferDevice,
+ usage: TextureUsageFlags::DEPTH_STENCIL,
+ dimension: TextureDimension::Type2d,
+ format: TextureFormat::DEPTH_F32,
+ width,
+ height,
+ depth: 1,
+ layers: 1,
+ mip_levels: 1,
+ });
+ depth_width = width;
+ depth_height = height;
+ }
+
let command_buffer_token = device.create_command_buffer(&frame_token, &mut thread_token);
+ device.cmd_set_bind_group(
+ &frame_token,
+ &mut thread_token,
+ &command_buffer_token,
+ pipeline,
+ uniform_bind_group_layout,
+ 0,
+ &[Bind {
+ binding: 0,
+ array_element: 0,
+ typed: TypedBind::UniformBuffer(&[uniforms.buffer()]),
+ }],
+ );
+
+ device.cmd_set_bind_group(
+ &frame_token,
+ &mut thread_token,
+ &command_buffer_token,
+ pipeline,
+ storage_bind_group_layout,
+ 1,
+ &[Bind {
+ binding: 0,
+ array_element: 0,
+ typed: TypedBind::StorageBuffer(&[blÄhaj_vertex_buffer]),
+ }],
+ );
+
+ device.cmd_set_index_buffer(
+ &command_buffer_token,
+ blÄhaj_index_buffer,
+ 0,
+ IndexType::U16,
+ );
+
device.cmd_begin_rendering(
&frame_token,
&mut thread_token,
])),
store_op: StoreOp::Store,
}],
- depth_attachment: None,
+ depth_attachment: Some(RenderingAttachment {
+ texture: depth_image,
+ load_op: LoadOp::Clear(ClearValue::DepthStencil {
+ depth: 0.0,
+ stencil: 0,
+ }),
+ store_op: StoreOp::DontCare,
+ }),
stencil_attachment: None,
},
);
device.cmd_set_pipeline(&command_buffer_token, pipeline);
- device.cmd_set_bind_group(
- &frame_token,
- &mut thread_token,
- &command_buffer_token,
- pipeline,
- bind_group_layout,
- 0,
- &[Bind {
- binding: 0,
- array_element: 0,
- typed: TypedBind::Buffer(&[uniforms.buffer()]),
- }],
- );
device.cmd_set_scissors(
&command_buffer_token,
height,
}],
);
+
device.cmd_set_viewports(
&command_buffer_token,
&[Viewport {
max_depth: 1.0,
}],
);
- device.cmd_draw(&command_buffer_token, 3, 1, 0, 0);
+
+ device.cmd_draw_indexed(
+ &command_buffer_token,
+ blÄhaj_indices.len() as u32,
+ 1,
+ 0,
+ 0,
+ 0,
+ );
+
device.cmd_end_rendering(&command_buffer_token);
device.submit(&frame_token, &mut thread_token, command_buffer_token);
projects / josh / narcissus / commitdiff