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Diffstat (limited to 'stockton-render/src/draw/ui/pipeline.rs')
| -rw-r--r-- | stockton-render/src/draw/ui/pipeline.rs | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/stockton-render/src/draw/ui/pipeline.rs b/stockton-render/src/draw/ui/pipeline.rs deleted file mode 100644 index dfa4e88..0000000 --- a/stockton-render/src/draw/ui/pipeline.rs +++ /dev/null @@ -1,294 +0,0 @@ -//! A complete graphics pipeline - -/// Entry point name for shaders -const ENTRY_NAME: &str = "main"; - -/// Source for vertex shader. TODO -const VERTEX_SOURCE: &str = include_str!("./data/stockton.vert"); - -/// Source for fragment shader. TODO -const FRAGMENT_SOURCE: &str = include_str!("./data/stockton.frag"); - -use std::{ - array::IntoIter, - iter::once, - mem::{size_of, ManuallyDrop}, -}; - -use crate::draw::target::SwapchainProperties; -use crate::{error::EnvironmentError, types::*}; -use anyhow::{Context, Result}; - -/// A complete 2D graphics pipeline and associated resources -pub struct UiPipeline { - /// Our main render pass - pub(crate) renderpass: ManuallyDrop<RenderPassT>, - - /// The layout of our main graphics pipeline - pub(crate) pipeline_layout: ManuallyDrop<PipelineLayoutT>, - - /// Our main graphics pipeline - pub(crate) pipeline: ManuallyDrop<GraphicsPipelineT>, - - /// The vertex shader module - pub(crate) vs_module: ManuallyDrop<ShaderModuleT>, - - /// The fragment shader module - pub(crate) fs_module: ManuallyDrop<ShaderModuleT>, -} - -impl UiPipeline { - pub fn new<'a, T: Iterator<Item = &'a DescriptorSetLayoutT>>( - device: &mut DeviceT, - extent: hal::image::Extent, - swapchain_properties: &SwapchainProperties, - set_layouts: T, - ) -> Result<Self> { - use hal::format::Format; - use hal::pso::*; - - // Renderpass - let renderpass = { - use hal::{ - image::{Access, Layout}, - memory::Dependencies, - pass::*, - }; - - let img_attachment = Attachment { - format: Some(swapchain_properties.format), - samples: 1, - ops: AttachmentOps::new(AttachmentLoadOp::Load, AttachmentStoreOp::Store), - stencil_ops: AttachmentOps::new( - AttachmentLoadOp::DontCare, - AttachmentStoreOp::DontCare, - ), - layouts: Layout::ColorAttachmentOptimal..Layout::Present, - }; - - let subpass = SubpassDesc { - colors: &[(0, Layout::ColorAttachmentOptimal)], - depth_stencil: None, - inputs: &[], - resolves: &[], - preserves: &[], - }; - - let external_dependency = SubpassDependency { - flags: Dependencies::empty(), - passes: None..Some(0), - stages: PipelineStage::COLOR_ATTACHMENT_OUTPUT - ..(PipelineStage::COLOR_ATTACHMENT_OUTPUT - | PipelineStage::EARLY_FRAGMENT_TESTS), - accesses: Access::empty() - ..(Access::COLOR_ATTACHMENT_READ | Access::COLOR_ATTACHMENT_WRITE), - }; - - unsafe { - device.create_render_pass( - IntoIter::new([img_attachment]), - IntoIter::new([subpass]), - IntoIter::new([external_dependency]), - ) - } - .context("Error creating render pass")? - }; - - // Subpass - let subpass = hal::pass::Subpass { - index: 0, - main_pass: &renderpass, - }; - - // Shader modules - let (vs_module, fs_module) = { - let mut compiler = shaderc::Compiler::new().ok_or(EnvironmentError::NoShaderC)?; - - let vertex_compile_artifact = compiler - .compile_into_spirv( - VERTEX_SOURCE, - shaderc::ShaderKind::Vertex, - "vertex_ui.vert", - ENTRY_NAME, - None, - ) - .context("Error compiling vertex shader")?; - - let fragment_compile_artifact = compiler - .compile_into_spirv( - FRAGMENT_SOURCE, - shaderc::ShaderKind::Fragment, - "fragment_ui.frag", - ENTRY_NAME, - None, - ) - .context("Error compiling fragment shader")?; - - // Make into shader module - unsafe { - ( - device - .create_shader_module(vertex_compile_artifact.as_binary()) - .context("Error creating vertex shader module")?, - device - .create_shader_module(fragment_compile_artifact.as_binary()) - .context("Error creating fragment shader module")?, - ) - } - }; - - // Shader entry points (ShaderStage) - let (vs_entry, fs_entry) = ( - EntryPoint::<back::Backend> { - entry: ENTRY_NAME, - module: &vs_module, - specialization: Specialization::default(), - }, - EntryPoint::<back::Backend> { - entry: ENTRY_NAME, - module: &fs_module, - specialization: Specialization::default(), - }, - ); - - // Rasterizer - let rasterizer = Rasterizer { - polygon_mode: PolygonMode::Fill, - cull_face: Face::NONE, - front_face: FrontFace::CounterClockwise, - depth_clamping: false, - depth_bias: None, - conservative: true, - line_width: State::Static(1.0), - }; - - // Depth stencil - let depth_stencil = DepthStencilDesc { - depth: None, - depth_bounds: false, - stencil: None, - }; - - // Pipeline layout - let layout = unsafe { - device.create_pipeline_layout(set_layouts, once((ShaderStageFlags::VERTEX, 0..8))) - } - .context("Error creating pipeline layout")?; - - // Colour blending - let blender = { - let blend_state = BlendState { - color: BlendOp::Add { - src: Factor::SrcAlpha, - dst: Factor::OneMinusSrcAlpha, - }, - alpha: BlendOp::Add { - src: Factor::SrcAlpha, - dst: Factor::OneMinusSrcAlpha, - }, - }; - - BlendDesc { - logic_op: None, - targets: vec![ColorBlendDesc { - mask: ColorMask::ALL, - blend: Some(blend_state), - }], - } - }; - - // Baked states - let baked_states = BakedStates { - viewport: Some(Viewport { - rect: extent.rect(), - depth: (0.0..1.0), - }), - scissor: None, - blend_constants: None, - depth_bounds: None, - }; - - // Primitive assembler - let primitive_assembler = PrimitiveAssemblerDesc::Vertex { - buffers: &[VertexBufferDesc { - binding: 0, - stride: (size_of::<f32>() * 8) as u32, - rate: VertexInputRate::Vertex, - }], - attributes: &[ - AttributeDesc { - location: 0, - binding: 0, - element: Element { - format: Format::Rg32Sfloat, - offset: 0, - }, - }, - AttributeDesc { - location: 1, - binding: 0, - element: Element { - format: Format::Rg32Sfloat, - offset: (size_of::<f32>() * 2) as u32, - }, - }, - AttributeDesc { - location: 2, - binding: 0, - element: Element { - format: Format::Rgba32Sfloat, - offset: (size_of::<f32>() * 4) as u32, - }, - }, - ], - input_assembler: InputAssemblerDesc::new(Primitive::TriangleList), - vertex: vs_entry, - tessellation: None, - geometry: None, - }; - - // Pipeline description - let pipeline_desc = GraphicsPipelineDesc { - label: Some("UI Pipeline"), - primitive_assembler, - rasterizer, - fragment: Some(fs_entry), - blender, - depth_stencil, - multisampling: None, - baked_states, - layout: &layout, - subpass, - flags: PipelineCreationFlags::empty(), - parent: BasePipeline::None, - }; - - // Pipeline - let pipeline = unsafe { device.create_graphics_pipeline(&pipeline_desc, None) } - .context("Error creating graphics pipeline")?; - - Ok(UiPipeline { - renderpass: ManuallyDrop::new(renderpass), - pipeline_layout: ManuallyDrop::new(layout), - pipeline: ManuallyDrop::new(pipeline), - vs_module: ManuallyDrop::new(vs_module), - fs_module: ManuallyDrop::new(fs_module), - }) - } - - /// Deactivate vulkan resources. Use before dropping - pub fn deactivate(self, device: &mut DeviceT) { - unsafe { - use core::ptr::read; - - device.destroy_render_pass(ManuallyDrop::into_inner(read(&self.renderpass))); - - device.destroy_shader_module(ManuallyDrop::into_inner(read(&self.vs_module))); - device.destroy_shader_module(ManuallyDrop::into_inner(read(&self.fs_module))); - - device.destroy_graphics_pipeline(ManuallyDrop::into_inner(read(&self.pipeline))); - - device.destroy_pipeline_layout(ManuallyDrop::into_inner(read(&self.pipeline_layout))); - } - } -} |