1630 lines
59 KiB
Rust
1630 lines
59 KiB
Rust
use lyon::tessellation::{
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self,
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geometry_builder::{BuffersBuilder, FillVertexConstructor, VertexBuffers},
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FillAttributes, FillTessellator, StrokeAttributes, StrokeTessellator, StrokeVertexConstructor,
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};
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use ruffle_core::backend::render::swf::{self, FillStyle};
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use ruffle_core::backend::render::{
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BitmapHandle, BitmapInfo, Color, Letterbox, RenderBackend, ShapeHandle, Transform,
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};
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use ruffle_core::shape_utils::DrawPath;
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use std::convert::TryInto;
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use swf::{CharacterId, DefineBitsLossless, Glyph, Shape};
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use bytemuck::{Pod, Zeroable};
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use futures::executor::block_on;
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use raw_window_handle::HasRawWindowHandle;
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use crate::pipelines::Pipelines;
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use crate::shapes::{Draw, DrawType, GradientUniforms, IncompleteDrawType, Mesh};
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use crate::utils::{
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create_buffer_with_data, ruffle_path_to_lyon_path, swf_bitmap_to_gl_matrix, swf_to_gl_matrix,
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};
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use ruffle_core::color_transform::ColorTransform;
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type Error = Box<dyn std::error::Error>;
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#[macro_use]
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mod utils;
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mod pipelines;
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mod shapes;
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pub struct WgpuRenderBackend {
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window_surface: wgpu::Surface,
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device: wgpu::Device,
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queue: wgpu::Queue,
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swap_chain_desc: wgpu::SwapChainDescriptor,
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swap_chain: wgpu::SwapChain,
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msaa_sample_count: u32,
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pipelines: Pipelines,
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frame_buffer_view: wgpu::TextureView,
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depth_texture_view: wgpu::TextureView,
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current_frame: Option<(wgpu::SwapChainOutput, wgpu::CommandEncoder)>,
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meshes: Vec<Mesh>,
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viewport_width: f32,
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viewport_height: f32,
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view_matrix: [[f32; 4]; 4],
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textures: Vec<(swf::CharacterId, Texture)>,
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num_masks: u32,
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num_masks_active: u32,
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write_stencil_mask: u32,
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test_stencil_mask: u32,
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next_stencil_mask: u32,
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mask_stack: Vec<(u32, u32)>,
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quad_vbo: wgpu::Buffer,
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quad_ibo: wgpu::Buffer,
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quad_tex_transforms: wgpu::Buffer,
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}
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#[repr(C)]
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#[derive(Copy, Clone, Debug)]
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struct Transforms {
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view_matrix: [[f32; 4]; 4],
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world_matrix: [[f32; 4]; 4],
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}
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unsafe impl Pod for Transforms {}
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unsafe impl Zeroable for Transforms {}
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#[repr(C)]
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#[derive(Copy, Clone, Debug)]
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struct TextureTransforms {
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u_matrix: [[f32; 4]; 4],
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}
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unsafe impl Pod for TextureTransforms {}
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unsafe impl Zeroable for TextureTransforms {}
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#[repr(C)]
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#[derive(Copy, Clone, Debug)]
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struct ColorAdjustments {
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mult_color: [f32; 4],
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add_color: [f32; 4],
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}
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impl From<ColorTransform> for ColorAdjustments {
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fn from(transform: ColorTransform) -> Self {
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Self {
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mult_color: [
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transform.r_mult,
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transform.g_mult,
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transform.b_mult,
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transform.a_mult,
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],
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add_color: [
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transform.r_add,
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transform.g_add,
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transform.b_add,
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transform.a_add,
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],
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}
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}
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}
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unsafe impl Pod for ColorAdjustments {}
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unsafe impl Zeroable for ColorAdjustments {}
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#[repr(C)]
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#[derive(Copy, Clone, Debug)]
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struct GPUVertex {
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position: [f32; 2],
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color: [f32; 4],
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}
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unsafe impl Pod for GPUVertex {}
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unsafe impl Zeroable for GPUVertex {}
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impl WgpuRenderBackend {
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pub fn new<W: HasRawWindowHandle>(window: &W, size: (u32, u32)) -> Result<Self, Error> {
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let window_surface = wgpu::Surface::create(window);
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let adapter = block_on(wgpu::Adapter::request(
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&wgpu::RequestAdapterOptions {
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power_preference: wgpu::PowerPreference::Default,
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compatible_surface: None,
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},
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wgpu::BackendBit::PRIMARY,
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))
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.unwrap();
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let (device, queue) = block_on(adapter.request_device(&wgpu::DeviceDescriptor {
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extensions: wgpu::Extensions {
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anisotropic_filtering: false,
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},
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limits: wgpu::Limits::default(),
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}));
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let swap_chain_desc = wgpu::SwapChainDescriptor {
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usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
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format: wgpu::TextureFormat::Bgra8Unorm,
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width: size.0,
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height: size.1,
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present_mode: wgpu::PresentMode::Mailbox,
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};
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let swap_chain = device.create_swap_chain(&window_surface, &swap_chain_desc);
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// TODO: Allow this to be set from command line/settings file.
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let msaa_sample_count = 4;
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let pipelines = Pipelines::new(&device, msaa_sample_count)?;
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let extent = wgpu::Extent3d {
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width: swap_chain_desc.width,
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height: swap_chain_desc.height,
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depth: 1,
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};
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let frame_buffer_label = create_debug_label!("Framebuffer texture");
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let frame_buffer = device.create_texture(&wgpu::TextureDescriptor {
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label: frame_buffer_label.as_deref(),
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size: extent,
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array_layer_count: 1,
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mip_level_count: 1,
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sample_count: msaa_sample_count,
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dimension: wgpu::TextureDimension::D2,
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format: swap_chain_desc.format,
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usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
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});
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let frame_buffer_view = frame_buffer.create_default_view();
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let depth_label = create_debug_label!("Depth texture");
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let depth_texture = device.create_texture(&wgpu::TextureDescriptor {
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label: depth_label.as_deref(),
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size: extent,
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array_layer_count: 1,
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mip_level_count: 1,
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sample_count: msaa_sample_count,
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dimension: wgpu::TextureDimension::D2,
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format: wgpu::TextureFormat::Depth24PlusStencil8,
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usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
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});
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let depth_texture_view = depth_texture.create_default_view();
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let (quad_vbo, quad_ibo, quad_tex_transforms) = create_quad_buffers(&device);
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Ok(Self {
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window_surface,
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device,
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queue,
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swap_chain_desc,
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swap_chain,
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msaa_sample_count,
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pipelines,
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frame_buffer_view,
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depth_texture_view,
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current_frame: None,
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meshes: Vec::new(),
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viewport_width: size.0 as f32,
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viewport_height: size.1 as f32,
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view_matrix: [[0.0; 4]; 4],
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textures: Vec::new(),
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num_masks: 0,
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num_masks_active: 0,
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write_stencil_mask: 0,
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test_stencil_mask: 0,
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next_stencil_mask: 1,
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mask_stack: Vec::new(),
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quad_vbo,
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quad_ibo,
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quad_tex_transforms,
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})
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}
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#[allow(clippy::cognitive_complexity)]
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fn register_shape_internal(&mut self, shape: &swf::Shape) -> ShapeHandle {
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let handle = ShapeHandle(self.meshes.len());
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let paths = ruffle_core::shape_utils::swf_shape_to_paths(shape);
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use lyon::tessellation::{FillOptions, StrokeOptions};
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let transforms_label = create_debug_label!("Shape {} transforms ubo", shape.id);
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let transforms_ubo = self.device.create_buffer(&wgpu::BufferDescriptor {
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label: transforms_label.as_deref(),
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size: std::mem::size_of::<Transforms>() as u64,
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usage: wgpu::BufferUsage::UNIFORM | wgpu::BufferUsage::COPY_DST,
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});
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let colors_ubo = create_buffer_with_data(
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&self.device,
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bytemuck::cast_slice(&[ColorAdjustments {
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mult_color: [1.0, 1.0, 1.0, 1.0],
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add_color: [0.0, 0.0, 0.0, 0.0],
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}]),
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wgpu::BufferUsage::UNIFORM | wgpu::BufferUsage::COPY_DST,
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create_debug_label!("Shape {} colors ubo", shape.id),
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);
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let mut draws = Vec::new();
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let mut fill_tess = FillTessellator::new();
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let mut stroke_tess = StrokeTessellator::new();
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let mut lyon_mesh: VertexBuffers<_, u16> = VertexBuffers::new();
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#[allow(clippy::too_many_arguments)]
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fn flush_draw(
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shape_id: CharacterId,
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draw: IncompleteDrawType,
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draws: &mut Vec<Draw>,
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lyon_mesh: &mut VertexBuffers<GPUVertex, u16>,
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device: &wgpu::Device,
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transforms_ubo: &wgpu::Buffer,
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colors_ubo: &wgpu::Buffer,
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pipelines: &Pipelines,
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) {
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if lyon_mesh.vertices.is_empty() || lyon_mesh.indices.len() < 3 {
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return;
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}
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let vbo = create_buffer_with_data(
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device,
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bytemuck::cast_slice(&lyon_mesh.vertices),
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wgpu::BufferUsage::VERTEX,
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create_debug_label!("Shape {} ({}) vbo", shape_id, draw.name()),
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);
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let ibo = create_buffer_with_data(
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device,
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bytemuck::cast_slice(&lyon_mesh.indices),
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wgpu::BufferUsage::INDEX,
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create_debug_label!("Shape {} ({}) ibo", shape_id, draw.name()),
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);
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let draw_id = draws.len();
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draws.push(draw.build(
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device,
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transforms_ubo,
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colors_ubo,
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vbo,
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ibo,
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lyon_mesh.indices.len() as u32,
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pipelines,
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shape_id,
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draw_id,
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));
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*lyon_mesh = VertexBuffers::new();
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}
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for path in paths {
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match path {
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DrawPath::Fill { style, commands } => match style {
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FillStyle::Color(color) => {
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let color = [
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f32::from(color.r) / 255.0,
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f32::from(color.g) / 255.0,
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f32::from(color.b) / 255.0,
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f32::from(color.a) / 255.0,
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];
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let mut buffers_builder =
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BuffersBuilder::new(&mut lyon_mesh, RuffleVertexCtor { color });
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if let Err(e) = fill_tess.tessellate_path(
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&ruffle_path_to_lyon_path(commands, true),
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&FillOptions::even_odd(),
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&mut buffers_builder,
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) {
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// This may just be a degenerate path; skip it.
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log::error!("Tessellation failure: {:?}", e);
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continue;
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}
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}
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FillStyle::LinearGradient(gradient) => {
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flush_draw(
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shape.id,
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IncompleteDrawType::Color,
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&mut draws,
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&mut lyon_mesh,
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&self.device,
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&transforms_ubo,
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&colors_ubo,
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&self.pipelines,
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);
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let mut buffers_builder = BuffersBuilder::new(
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&mut lyon_mesh,
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RuffleVertexCtor {
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color: [1.0, 1.0, 1.0, 1.0],
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},
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);
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if let Err(e) = fill_tess.tessellate_path(
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&ruffle_path_to_lyon_path(commands, true),
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&FillOptions::even_odd(),
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&mut buffers_builder,
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) {
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// This may just be a degenerate path; skip it.
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log::error!("Tessellation failure: {:?}", e);
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continue;
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}
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let mut colors: [[f32; 4]; 16] = Default::default();
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let mut ratios: [[f32; 4]; 16] = Default::default();
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for (i, record) in gradient.records.iter().enumerate() {
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if i >= 16 {
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// TODO: we need to support these!
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break;
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}
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colors[i] = [
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f32::from(record.color.r) / 255.0,
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f32::from(record.color.g) / 255.0,
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f32::from(record.color.b) / 255.0,
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f32::from(record.color.a) / 255.0,
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];
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ratios[i] = [f32::from(record.ratio) / 255.0, 0.0, 0.0, 0.0];
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}
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let uniforms = GradientUniforms {
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gradient_type: 0,
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ratios,
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colors,
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num_colors: gradient.records.len() as u32,
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repeat_mode: 0,
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focal_point: 0.0,
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};
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let matrix = swf_to_gl_matrix(gradient.matrix.clone());
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flush_draw(
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shape.id,
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IncompleteDrawType::Gradient {
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texture_transform: matrix,
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gradient: uniforms,
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},
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&mut draws,
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&mut lyon_mesh,
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&self.device,
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&transforms_ubo,
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&colors_ubo,
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&self.pipelines,
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);
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}
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FillStyle::RadialGradient(gradient) => {
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flush_draw(
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shape.id,
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IncompleteDrawType::Color,
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&mut draws,
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&mut lyon_mesh,
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&self.device,
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&transforms_ubo,
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&colors_ubo,
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&self.pipelines,
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);
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let mut buffers_builder = BuffersBuilder::new(
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&mut lyon_mesh,
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RuffleVertexCtor {
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color: [1.0, 1.0, 1.0, 1.0],
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},
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);
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if let Err(e) = fill_tess.tessellate_path(
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&ruffle_path_to_lyon_path(commands, true),
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&FillOptions::even_odd(),
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&mut buffers_builder,
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) {
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// This may just be a degenerate path; skip it.
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log::error!("Tessellation failure: {:?}", e);
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continue;
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}
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let mut colors: [[f32; 4]; 16] = Default::default();
|
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let mut ratios: [[f32; 4]; 16] = Default::default();
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for (i, record) in gradient.records.iter().enumerate() {
|
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if i >= 16 {
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// TODO: we need to support these!
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break;
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}
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colors[i] = [
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f32::from(record.color.r) / 255.0,
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f32::from(record.color.g) / 255.0,
|
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f32::from(record.color.b) / 255.0,
|
|
f32::from(record.color.a) / 255.0,
|
|
];
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ratios[i] = [f32::from(record.ratio) / 255.0, 0.0, 0.0, 0.0];
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}
|
|
|
|
let uniforms = GradientUniforms {
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gradient_type: 1,
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ratios,
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colors,
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num_colors: gradient.records.len() as u32,
|
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repeat_mode: 0,
|
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focal_point: 0.0,
|
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};
|
|
let matrix = swf_to_gl_matrix(gradient.matrix.clone());
|
|
|
|
flush_draw(
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shape.id,
|
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IncompleteDrawType::Gradient {
|
|
texture_transform: matrix,
|
|
gradient: uniforms,
|
|
},
|
|
&mut draws,
|
|
&mut lyon_mesh,
|
|
&self.device,
|
|
&transforms_ubo,
|
|
&colors_ubo,
|
|
&self.pipelines,
|
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);
|
|
}
|
|
FillStyle::FocalGradient {
|
|
gradient,
|
|
focal_point,
|
|
} => {
|
|
flush_draw(
|
|
shape.id,
|
|
IncompleteDrawType::Color,
|
|
&mut draws,
|
|
&mut lyon_mesh,
|
|
&self.device,
|
|
&transforms_ubo,
|
|
&colors_ubo,
|
|
&self.pipelines,
|
|
);
|
|
|
|
let mut buffers_builder = BuffersBuilder::new(
|
|
&mut lyon_mesh,
|
|
RuffleVertexCtor {
|
|
color: [1.0, 1.0, 1.0, 1.0],
|
|
},
|
|
);
|
|
|
|
if let Err(e) = fill_tess.tessellate_path(
|
|
&ruffle_path_to_lyon_path(commands, true),
|
|
&FillOptions::even_odd(),
|
|
&mut buffers_builder,
|
|
) {
|
|
// This may just be a degenerate path; skip it.
|
|
log::error!("Tessellation failure: {:?}", e);
|
|
continue;
|
|
}
|
|
|
|
let mut colors: [[f32; 4]; 16] = Default::default();
|
|
let mut ratios: [[f32; 4]; 16] = Default::default();
|
|
for (i, record) in gradient.records.iter().enumerate() {
|
|
if i >= 16 {
|
|
// TODO: we need to support these!
|
|
break;
|
|
}
|
|
colors[i] = [
|
|
f32::from(record.color.r) / 255.0,
|
|
f32::from(record.color.g) / 255.0,
|
|
f32::from(record.color.b) / 255.0,
|
|
f32::from(record.color.a) / 255.0,
|
|
];
|
|
ratios[i] = [f32::from(record.ratio) / 255.0, 0.0, 0.0, 0.0];
|
|
}
|
|
|
|
let uniforms = GradientUniforms {
|
|
gradient_type: 1,
|
|
ratios,
|
|
colors,
|
|
num_colors: gradient.records.len() as u32,
|
|
repeat_mode: 0,
|
|
focal_point: *focal_point,
|
|
};
|
|
let matrix = swf_to_gl_matrix(gradient.matrix.clone());
|
|
|
|
flush_draw(
|
|
shape.id,
|
|
IncompleteDrawType::Gradient {
|
|
texture_transform: matrix,
|
|
gradient: uniforms,
|
|
},
|
|
&mut draws,
|
|
&mut lyon_mesh,
|
|
&self.device,
|
|
&transforms_ubo,
|
|
&colors_ubo,
|
|
&self.pipelines,
|
|
);
|
|
}
|
|
FillStyle::Bitmap {
|
|
id,
|
|
matrix,
|
|
is_smoothed,
|
|
is_repeating,
|
|
} => {
|
|
flush_draw(
|
|
shape.id,
|
|
IncompleteDrawType::Color,
|
|
&mut draws,
|
|
&mut lyon_mesh,
|
|
&self.device,
|
|
&transforms_ubo,
|
|
&colors_ubo,
|
|
&self.pipelines,
|
|
);
|
|
|
|
let mut buffers_builder = BuffersBuilder::new(
|
|
&mut lyon_mesh,
|
|
RuffleVertexCtor {
|
|
color: [1.0, 1.0, 1.0, 1.0],
|
|
},
|
|
);
|
|
|
|
if let Err(e) = fill_tess.tessellate_path(
|
|
&ruffle_path_to_lyon_path(commands, true),
|
|
&FillOptions::even_odd(),
|
|
&mut buffers_builder,
|
|
) {
|
|
// This may just be a degenerate path; skip it.
|
|
log::error!("Tessellation failure: {:?}", e);
|
|
continue;
|
|
}
|
|
|
|
let texture = &self
|
|
.textures
|
|
.iter()
|
|
.find(|(other_id, _tex)| *other_id == *id)
|
|
.unwrap()
|
|
.1;
|
|
let texture_view = texture.texture.create_default_view();
|
|
|
|
flush_draw(
|
|
shape.id,
|
|
IncompleteDrawType::Bitmap {
|
|
texture_transform: swf_bitmap_to_gl_matrix(
|
|
matrix.clone(),
|
|
texture.width,
|
|
texture.height,
|
|
),
|
|
is_smoothed: *is_smoothed,
|
|
is_repeating: *is_repeating,
|
|
texture_view,
|
|
id: *id,
|
|
},
|
|
&mut draws,
|
|
&mut lyon_mesh,
|
|
&self.device,
|
|
&transforms_ubo,
|
|
&colors_ubo,
|
|
&self.pipelines,
|
|
);
|
|
}
|
|
},
|
|
DrawPath::Stroke {
|
|
style,
|
|
commands,
|
|
is_closed,
|
|
} => {
|
|
let color = [
|
|
f32::from(style.color.r) / 255.0,
|
|
f32::from(style.color.g) / 255.0,
|
|
f32::from(style.color.b) / 255.0,
|
|
f32::from(style.color.a) / 255.0,
|
|
];
|
|
|
|
let mut buffers_builder =
|
|
BuffersBuilder::new(&mut lyon_mesh, RuffleVertexCtor { color });
|
|
|
|
// TODO(Herschel): 0 width indicates "hairline".
|
|
let width = if style.width.to_pixels() >= 1.0 {
|
|
style.width.to_pixels() as f32
|
|
} else {
|
|
1.0
|
|
};
|
|
|
|
let mut options = StrokeOptions::default()
|
|
.with_line_width(width)
|
|
.with_line_join(match style.join_style {
|
|
swf::LineJoinStyle::Round => tessellation::LineJoin::Round,
|
|
swf::LineJoinStyle::Bevel => tessellation::LineJoin::Bevel,
|
|
swf::LineJoinStyle::Miter(_) => tessellation::LineJoin::MiterClip,
|
|
})
|
|
.with_start_cap(match style.start_cap {
|
|
swf::LineCapStyle::None => tessellation::LineCap::Butt,
|
|
swf::LineCapStyle::Round => tessellation::LineCap::Round,
|
|
swf::LineCapStyle::Square => tessellation::LineCap::Square,
|
|
})
|
|
.with_end_cap(match style.end_cap {
|
|
swf::LineCapStyle::None => tessellation::LineCap::Butt,
|
|
swf::LineCapStyle::Round => tessellation::LineCap::Round,
|
|
swf::LineCapStyle::Square => tessellation::LineCap::Square,
|
|
});
|
|
|
|
if let swf::LineJoinStyle::Miter(limit) = style.join_style {
|
|
options = options.with_miter_limit(limit);
|
|
}
|
|
|
|
if let Err(e) = stroke_tess.tessellate_path(
|
|
&ruffle_path_to_lyon_path(commands, is_closed),
|
|
&options,
|
|
&mut buffers_builder,
|
|
) {
|
|
// This may just be a degenerate path; skip it.
|
|
log::error!("Tessellation failure: {:?}", e);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
flush_draw(
|
|
shape.id,
|
|
IncompleteDrawType::Color,
|
|
&mut draws,
|
|
&mut lyon_mesh,
|
|
&self.device,
|
|
&transforms_ubo,
|
|
&colors_ubo,
|
|
&self.pipelines,
|
|
);
|
|
|
|
self.meshes.push(Mesh {
|
|
draws,
|
|
transforms: transforms_ubo,
|
|
colors_buffer: colors_ubo,
|
|
colors_last: ColorTransform::default(),
|
|
shape_id: shape.id,
|
|
});
|
|
|
|
handle
|
|
}
|
|
|
|
fn build_matrices(&mut self) {
|
|
self.view_matrix = [
|
|
[1.0 / (self.viewport_width as f32 / 2.0), 0.0, 0.0, 0.0],
|
|
[0.0, -1.0 / (self.viewport_height as f32 / 2.0), 0.0, 0.0],
|
|
[0.0, 0.0, 1.0, 0.0],
|
|
[-1.0, 1.0, 0.0, 1.0],
|
|
];
|
|
}
|
|
|
|
fn draw_rect(&mut self, x: f32, y: f32, width: f32, height: f32, color: Color) {
|
|
let (swap_chain_output, encoder) =
|
|
if let Some((swap_chain_output, encoder)) = &mut self.current_frame {
|
|
(swap_chain_output, encoder)
|
|
} else {
|
|
return;
|
|
};
|
|
|
|
let world_matrix = [
|
|
[width, 0.0, 0.0, 0.0],
|
|
[0.0, height, 0.0, 0.0],
|
|
[0.0, 0.0, 1.0, 0.0],
|
|
[x, y, 0.0, 1.0],
|
|
];
|
|
|
|
let mult_color = [
|
|
f32::from(color.r) / 255.0,
|
|
f32::from(color.g) / 255.0,
|
|
f32::from(color.b) / 255.0,
|
|
f32::from(color.a) / 255.0,
|
|
];
|
|
|
|
let add_color = [0.0, 0.0, 0.0, 0.0];
|
|
|
|
let transforms_ubo = create_buffer_with_data(
|
|
&self.device,
|
|
bytemuck::cast_slice(&[Transforms {
|
|
view_matrix: self.view_matrix,
|
|
world_matrix,
|
|
}]),
|
|
wgpu::BufferUsage::UNIFORM,
|
|
create_debug_label!("Rectangle transfer buffer"),
|
|
);
|
|
|
|
let colors_ubo = create_buffer_with_data(
|
|
&self.device,
|
|
bytemuck::cast_slice(&[ColorAdjustments {
|
|
mult_color,
|
|
add_color,
|
|
}]),
|
|
wgpu::BufferUsage::UNIFORM,
|
|
create_debug_label!("Rectangle colors transfer buffer"),
|
|
);
|
|
|
|
let bind_group_label = create_debug_label!("Rectangle bind group");
|
|
let bind_group = self.device.create_bind_group(&wgpu::BindGroupDescriptor {
|
|
layout: &self.pipelines.color.bind_layout,
|
|
bindings: &[
|
|
wgpu::Binding {
|
|
binding: 0,
|
|
resource: wgpu::BindingResource::Buffer {
|
|
buffer: &transforms_ubo,
|
|
range: 0..std::mem::size_of::<Transforms>() as u64,
|
|
},
|
|
},
|
|
wgpu::Binding {
|
|
binding: 1,
|
|
resource: wgpu::BindingResource::Buffer {
|
|
buffer: &colors_ubo,
|
|
range: 0..std::mem::size_of::<ColorAdjustments>() as u64,
|
|
},
|
|
},
|
|
],
|
|
label: bind_group_label.as_deref(),
|
|
});
|
|
|
|
let (color_attachment, resolve_target) = if self.msaa_sample_count >= 2 {
|
|
(&self.frame_buffer_view, Some(&swap_chain_output.view))
|
|
} else {
|
|
(&swap_chain_output.view, None)
|
|
};
|
|
let mut render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
|
|
color_attachments: &[wgpu::RenderPassColorAttachmentDescriptor {
|
|
attachment: color_attachment,
|
|
load_op: wgpu::LoadOp::Load,
|
|
store_op: wgpu::StoreOp::Store,
|
|
clear_color: wgpu::Color::WHITE,
|
|
resolve_target,
|
|
}],
|
|
depth_stencil_attachment: Some(wgpu::RenderPassDepthStencilAttachmentDescriptor {
|
|
attachment: &self.depth_texture_view,
|
|
depth_load_op: wgpu::LoadOp::Load,
|
|
depth_store_op: wgpu::StoreOp::Store,
|
|
stencil_load_op: wgpu::LoadOp::Load,
|
|
stencil_store_op: wgpu::StoreOp::Store,
|
|
clear_depth: 0.0,
|
|
clear_stencil: 0,
|
|
}),
|
|
});
|
|
|
|
render_pass.set_pipeline(&self.pipelines.color.pipeline_for(
|
|
self.num_masks,
|
|
self.num_masks_active,
|
|
self.test_stencil_mask,
|
|
self.write_stencil_mask,
|
|
));
|
|
render_pass.set_bind_group(0, &bind_group, &[]);
|
|
render_pass.set_vertex_buffer(0, &self.quad_vbo, 0, 0);
|
|
render_pass.set_index_buffer(&self.quad_ibo, 0, 0);
|
|
|
|
if self.num_masks_active < self.num_masks {
|
|
render_pass.set_stencil_reference(self.write_stencil_mask);
|
|
} else {
|
|
render_pass.set_stencil_reference(self.test_stencil_mask);
|
|
}
|
|
|
|
render_pass.draw_indexed(0..6, 0, 0..1);
|
|
}
|
|
}
|
|
|
|
impl RenderBackend for WgpuRenderBackend {
|
|
fn set_viewport_dimensions(&mut self, width: u32, height: u32) {
|
|
// Avoid panics from creating 0-sized framebuffers.
|
|
let width = std::cmp::max(width, 1);
|
|
let height = std::cmp::max(height, 1);
|
|
|
|
self.swap_chain_desc.width = width;
|
|
self.swap_chain_desc.height = height;
|
|
self.swap_chain = self
|
|
.device
|
|
.create_swap_chain(&self.window_surface, &self.swap_chain_desc);
|
|
|
|
let label = create_debug_label!("Framebuffer texture");
|
|
let frame_buffer = self.device.create_texture(&wgpu::TextureDescriptor {
|
|
label: label.as_deref(),
|
|
size: wgpu::Extent3d {
|
|
width,
|
|
height,
|
|
depth: 1,
|
|
},
|
|
array_layer_count: 1,
|
|
mip_level_count: 1,
|
|
sample_count: self.msaa_sample_count,
|
|
dimension: wgpu::TextureDimension::D2,
|
|
format: self.swap_chain_desc.format,
|
|
usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
|
|
});
|
|
self.frame_buffer_view = frame_buffer.create_default_view();
|
|
|
|
let label = create_debug_label!("Depth texture");
|
|
let depth_texture = self.device.create_texture(&wgpu::TextureDescriptor {
|
|
label: label.as_deref(),
|
|
size: wgpu::Extent3d {
|
|
width,
|
|
height,
|
|
depth: 1,
|
|
},
|
|
array_layer_count: 1,
|
|
mip_level_count: 1,
|
|
sample_count: self.msaa_sample_count,
|
|
dimension: wgpu::TextureDimension::D2,
|
|
format: wgpu::TextureFormat::Depth24PlusStencil8,
|
|
usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
|
|
});
|
|
self.depth_texture_view = depth_texture.create_default_view();
|
|
|
|
self.viewport_width = width as f32;
|
|
self.viewport_height = height as f32;
|
|
self.build_matrices();
|
|
}
|
|
|
|
fn register_shape(&mut self, shape: &Shape) -> ShapeHandle {
|
|
self.register_shape_internal(shape)
|
|
}
|
|
|
|
fn register_glyph_shape(&mut self, glyph: &Glyph) -> ShapeHandle {
|
|
let shape = swf::Shape {
|
|
version: 2,
|
|
id: 0,
|
|
shape_bounds: Default::default(),
|
|
edge_bounds: Default::default(),
|
|
has_fill_winding_rule: false,
|
|
has_non_scaling_strokes: false,
|
|
has_scaling_strokes: true,
|
|
styles: swf::ShapeStyles {
|
|
fill_styles: vec![FillStyle::Color(Color {
|
|
r: 255,
|
|
g: 255,
|
|
b: 255,
|
|
a: 255,
|
|
})],
|
|
line_styles: vec![],
|
|
},
|
|
shape: glyph.shape_records.clone(),
|
|
};
|
|
self.register_shape_internal(&shape)
|
|
}
|
|
|
|
fn register_bitmap_jpeg(
|
|
&mut self,
|
|
id: u16,
|
|
data: &[u8],
|
|
jpeg_tables: Option<&[u8]>,
|
|
) -> BitmapInfo {
|
|
let data = ruffle_core::backend::render::glue_tables_to_jpeg(data, jpeg_tables);
|
|
self.register_bitmap_jpeg_2(id, &data[..])
|
|
}
|
|
|
|
fn register_bitmap_jpeg_2(&mut self, id: u16, data: &[u8]) -> BitmapInfo {
|
|
let data = ruffle_core::backend::render::remove_invalid_jpeg_data(data);
|
|
|
|
let mut decoder = jpeg_decoder::Decoder::new(&data[..]);
|
|
decoder.read_info().unwrap();
|
|
let metadata = decoder.info().unwrap();
|
|
let decoded_data = decoder.decode().expect("failed to decode image");
|
|
let extent = wgpu::Extent3d {
|
|
width: metadata.width as u32,
|
|
height: metadata.height as u32,
|
|
depth: 1,
|
|
};
|
|
let mut as_rgba = Vec::with_capacity((extent.width * extent.height * 4) as usize);
|
|
for i in (0..decoded_data.len()).step_by(3) {
|
|
as_rgba.push(decoded_data[i]);
|
|
as_rgba.push(decoded_data[i + 1]);
|
|
as_rgba.push(decoded_data[i + 2]);
|
|
as_rgba.push(255);
|
|
}
|
|
|
|
let texture_label = create_debug_label!("JPEG (2) texture {}", id);
|
|
let texture = self.device.create_texture(&wgpu::TextureDescriptor {
|
|
label: texture_label.as_deref(),
|
|
size: extent,
|
|
array_layer_count: 1,
|
|
mip_level_count: 1,
|
|
sample_count: 1,
|
|
dimension: wgpu::TextureDimension::D2,
|
|
format: wgpu::TextureFormat::Rgba8Unorm,
|
|
usage: wgpu::TextureUsage::SAMPLED | wgpu::TextureUsage::COPY_DST,
|
|
});
|
|
|
|
let buffer = create_buffer_with_data(
|
|
&self.device,
|
|
&as_rgba[..],
|
|
wgpu::BufferUsage::COPY_SRC,
|
|
create_debug_label!("JPEG (2) transfer buffer {}", id),
|
|
);
|
|
let encoder_label = create_debug_label!("JPEG (2) encoder {}", id);
|
|
let mut encoder = self
|
|
.device
|
|
.create_command_encoder(&wgpu::CommandEncoderDescriptor {
|
|
label: encoder_label.as_deref(),
|
|
});
|
|
|
|
encoder.copy_buffer_to_texture(
|
|
wgpu::BufferCopyView {
|
|
buffer: &buffer,
|
|
offset: 0,
|
|
bytes_per_row: 4 * extent.width,
|
|
rows_per_image: 0,
|
|
},
|
|
wgpu::TextureCopyView {
|
|
texture: &texture,
|
|
mip_level: 0,
|
|
array_layer: 0,
|
|
origin: wgpu::Origin3d::ZERO,
|
|
},
|
|
extent,
|
|
);
|
|
self.queue.submit(&[encoder.finish()]);
|
|
|
|
let handle = BitmapHandle(self.textures.len());
|
|
self.textures.push((
|
|
id,
|
|
Texture {
|
|
texture,
|
|
width: metadata.width.into(),
|
|
height: metadata.height.into(),
|
|
},
|
|
));
|
|
|
|
BitmapInfo {
|
|
handle,
|
|
width: metadata.width,
|
|
height: metadata.height,
|
|
}
|
|
}
|
|
|
|
fn register_bitmap_jpeg_3(
|
|
&mut self,
|
|
id: u16,
|
|
jpeg_data: &[u8],
|
|
alpha_data: &[u8],
|
|
) -> BitmapInfo {
|
|
let (width, height, rgba) =
|
|
ruffle_core::backend::render::define_bits_jpeg_to_rgba(jpeg_data, alpha_data)
|
|
.expect("Error decoding DefineBitsJPEG3");
|
|
let extent = wgpu::Extent3d {
|
|
width: width as u32,
|
|
height: height as u32,
|
|
depth: 1,
|
|
};
|
|
|
|
let texture_label = create_debug_label!("JPEG (3) texture {}", id);
|
|
let texture = self.device.create_texture(&wgpu::TextureDescriptor {
|
|
label: texture_label.as_deref(),
|
|
size: extent,
|
|
array_layer_count: 1,
|
|
mip_level_count: 1,
|
|
sample_count: 1,
|
|
dimension: wgpu::TextureDimension::D2,
|
|
format: wgpu::TextureFormat::Rgba8Unorm,
|
|
usage: wgpu::TextureUsage::SAMPLED | wgpu::TextureUsage::COPY_DST,
|
|
});
|
|
|
|
let buffer = create_buffer_with_data(
|
|
&self.device,
|
|
&rgba[..],
|
|
wgpu::BufferUsage::COPY_SRC,
|
|
create_debug_label!("JPEG (3) transfer buffer {}", id),
|
|
);
|
|
let encoder_label = create_debug_label!("JPEG (3) encoder {}", id);
|
|
let mut encoder = self
|
|
.device
|
|
.create_command_encoder(&wgpu::CommandEncoderDescriptor {
|
|
label: encoder_label.as_deref(),
|
|
});
|
|
|
|
encoder.copy_buffer_to_texture(
|
|
wgpu::BufferCopyView {
|
|
buffer: &buffer,
|
|
offset: 0,
|
|
bytes_per_row: 4 * extent.width,
|
|
rows_per_image: 0,
|
|
},
|
|
wgpu::TextureCopyView {
|
|
texture: &texture,
|
|
mip_level: 0,
|
|
array_layer: 0,
|
|
origin: wgpu::Origin3d::ZERO,
|
|
},
|
|
extent,
|
|
);
|
|
self.queue.submit(&[encoder.finish()]);
|
|
|
|
let handle = BitmapHandle(self.textures.len());
|
|
self.textures.push((
|
|
id,
|
|
Texture {
|
|
texture,
|
|
width,
|
|
height,
|
|
},
|
|
));
|
|
|
|
BitmapInfo {
|
|
handle,
|
|
width: width.try_into().unwrap(),
|
|
height: height.try_into().unwrap(),
|
|
}
|
|
}
|
|
|
|
fn register_bitmap_png(&mut self, swf_tag: &DefineBitsLossless) -> BitmapInfo {
|
|
let decoded_data = ruffle_core::backend::render::define_bits_lossless_to_rgba(swf_tag)
|
|
.expect("Error decoding DefineBitsLossless");
|
|
let extent = wgpu::Extent3d {
|
|
width: swf_tag.width as u32,
|
|
height: swf_tag.height as u32,
|
|
depth: 1,
|
|
};
|
|
|
|
let texture_label = create_debug_label!("PNG texture {}", swf_tag.id);
|
|
let texture = self.device.create_texture(&wgpu::TextureDescriptor {
|
|
label: texture_label.as_deref(),
|
|
size: extent,
|
|
array_layer_count: 1,
|
|
mip_level_count: 1,
|
|
sample_count: 1,
|
|
dimension: wgpu::TextureDimension::D2,
|
|
format: wgpu::TextureFormat::Rgba8Unorm,
|
|
usage: wgpu::TextureUsage::SAMPLED | wgpu::TextureUsage::COPY_DST,
|
|
});
|
|
|
|
let buffer = create_buffer_with_data(
|
|
&self.device,
|
|
&decoded_data[..],
|
|
wgpu::BufferUsage::COPY_SRC,
|
|
create_debug_label!("PNG transfer buffer {}", swf_tag.id),
|
|
);
|
|
let encoder_label = create_debug_label!("PNG encoder {}", swf_tag.id);
|
|
let mut encoder = self
|
|
.device
|
|
.create_command_encoder(&wgpu::CommandEncoderDescriptor {
|
|
label: encoder_label.as_deref(),
|
|
});
|
|
|
|
encoder.copy_buffer_to_texture(
|
|
wgpu::BufferCopyView {
|
|
buffer: &buffer,
|
|
offset: 0,
|
|
bytes_per_row: 4 * extent.width,
|
|
rows_per_image: 0,
|
|
},
|
|
wgpu::TextureCopyView {
|
|
texture: &texture,
|
|
mip_level: 0,
|
|
array_layer: 0,
|
|
origin: wgpu::Origin3d::ZERO,
|
|
},
|
|
extent,
|
|
);
|
|
self.queue.submit(&[encoder.finish()]);
|
|
|
|
let handle = BitmapHandle(self.textures.len());
|
|
self.textures.push((
|
|
swf_tag.id,
|
|
Texture {
|
|
texture,
|
|
width: swf_tag.width.into(),
|
|
height: swf_tag.height.into(),
|
|
},
|
|
));
|
|
|
|
BitmapInfo {
|
|
handle,
|
|
width: swf_tag.width,
|
|
height: swf_tag.height,
|
|
}
|
|
}
|
|
|
|
fn begin_frame(&mut self) {
|
|
assert!(self.current_frame.is_none());
|
|
self.current_frame = match self.swap_chain.get_next_texture() {
|
|
Ok(frame) => {
|
|
let label = create_debug_label!("Frame encoder");
|
|
Some((
|
|
frame,
|
|
self.device
|
|
.create_command_encoder(&wgpu::CommandEncoderDescriptor {
|
|
label: label.as_deref(),
|
|
}),
|
|
))
|
|
}
|
|
Err(wgpu::TimeOut) => {
|
|
log::warn!("Couldn't begin new render frame: timed out whilst aquiring new swapchain output");
|
|
None
|
|
}
|
|
};
|
|
self.num_masks = 0;
|
|
self.num_masks_active = 0;
|
|
self.write_stencil_mask = 0;
|
|
self.test_stencil_mask = 0;
|
|
self.next_stencil_mask = 1;
|
|
}
|
|
|
|
fn clear(&mut self, color: Color) {
|
|
if let Some((swap_chain_output, encoder)) = &mut self.current_frame {
|
|
let (color_attachment, resolve_target) = if self.msaa_sample_count >= 2 {
|
|
(&self.frame_buffer_view, Some(&swap_chain_output.view))
|
|
} else {
|
|
(&swap_chain_output.view, None)
|
|
};
|
|
encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
|
|
color_attachments: &[wgpu::RenderPassColorAttachmentDescriptor {
|
|
attachment: color_attachment,
|
|
load_op: wgpu::LoadOp::Clear,
|
|
store_op: wgpu::StoreOp::Store,
|
|
clear_color: wgpu::Color {
|
|
r: f64::from(color.r) / 255.0,
|
|
g: f64::from(color.g) / 255.0,
|
|
b: f64::from(color.b) / 255.0,
|
|
a: f64::from(color.a) / 255.0,
|
|
},
|
|
resolve_target,
|
|
}],
|
|
depth_stencil_attachment: Some(wgpu::RenderPassDepthStencilAttachmentDescriptor {
|
|
attachment: &self.depth_texture_view,
|
|
depth_load_op: wgpu::LoadOp::Clear,
|
|
depth_store_op: wgpu::StoreOp::Store,
|
|
stencil_load_op: wgpu::LoadOp::Clear,
|
|
stencil_store_op: wgpu::StoreOp::Store,
|
|
clear_depth: 0.0,
|
|
clear_stencil: 0,
|
|
}),
|
|
});
|
|
}
|
|
}
|
|
|
|
fn render_bitmap(&mut self, bitmap: BitmapHandle, transform: &Transform) {
|
|
if let Some((_id, texture)) = self.textures.get(bitmap.0) {
|
|
let (swap_chain_output, encoder) =
|
|
if let Some((swap_chain_output, encoder)) = &mut self.current_frame {
|
|
(swap_chain_output, encoder)
|
|
} else {
|
|
return;
|
|
};
|
|
|
|
use ruffle_core::matrix::Matrix;
|
|
let transform = Transform {
|
|
matrix: transform.matrix
|
|
* Matrix {
|
|
a: texture.width as f32,
|
|
d: texture.height as f32,
|
|
..Default::default()
|
|
},
|
|
..*transform
|
|
};
|
|
|
|
let world_matrix = [
|
|
[transform.matrix.a, transform.matrix.b, 0.0, 0.0],
|
|
[transform.matrix.c, transform.matrix.d, 0.0, 0.0],
|
|
[0.0, 0.0, 1.0, 0.0],
|
|
[
|
|
transform.matrix.tx.to_pixels() as f32,
|
|
transform.matrix.ty.to_pixels() as f32,
|
|
0.0,
|
|
1.0,
|
|
],
|
|
];
|
|
|
|
let transforms_ubo = create_buffer_with_data(
|
|
&self.device,
|
|
bytemuck::cast_slice(&[Transforms {
|
|
view_matrix: self.view_matrix,
|
|
world_matrix,
|
|
}]),
|
|
wgpu::BufferUsage::UNIFORM,
|
|
create_debug_label!("Bitmap {} transforms transfer buffer", bitmap.0),
|
|
);
|
|
|
|
let colors_ubo = create_buffer_with_data(
|
|
&self.device,
|
|
bytemuck::cast_slice(&[ColorAdjustments::from(transform.color_transform)]),
|
|
wgpu::BufferUsage::UNIFORM,
|
|
create_debug_label!("Bitmap {} colors transfer buffer", bitmap.0),
|
|
);
|
|
|
|
let texture_view = texture.texture.create_default_view();
|
|
let sampler = self.device.create_sampler(&wgpu::SamplerDescriptor {
|
|
address_mode_u: wgpu::AddressMode::ClampToEdge,
|
|
address_mode_v: wgpu::AddressMode::ClampToEdge,
|
|
address_mode_w: wgpu::AddressMode::ClampToEdge,
|
|
mag_filter: wgpu::FilterMode::Linear,
|
|
min_filter: wgpu::FilterMode::Linear,
|
|
mipmap_filter: wgpu::FilterMode::Linear,
|
|
lod_min_clamp: 0.0,
|
|
lod_max_clamp: 100.0,
|
|
compare: wgpu::CompareFunction::Undefined,
|
|
});
|
|
|
|
let bind_group_label = create_debug_label!("Bitmap {} bind group", bitmap.0);
|
|
let bind_group = self.device.create_bind_group(&wgpu::BindGroupDescriptor {
|
|
layout: &self.pipelines.bitmap.bind_layout,
|
|
bindings: &[
|
|
wgpu::Binding {
|
|
binding: 0,
|
|
resource: wgpu::BindingResource::Buffer {
|
|
buffer: &transforms_ubo,
|
|
range: 0..std::mem::size_of::<Transforms>() as u64,
|
|
},
|
|
},
|
|
wgpu::Binding {
|
|
binding: 1,
|
|
resource: wgpu::BindingResource::Buffer {
|
|
buffer: &self.quad_tex_transforms,
|
|
range: 0..std::mem::size_of::<TextureTransforms>() as u64,
|
|
},
|
|
},
|
|
wgpu::Binding {
|
|
binding: 2,
|
|
resource: wgpu::BindingResource::Buffer {
|
|
buffer: &colors_ubo,
|
|
range: 0..std::mem::size_of::<ColorAdjustments>() as u64,
|
|
},
|
|
},
|
|
wgpu::Binding {
|
|
binding: 3,
|
|
resource: wgpu::BindingResource::TextureView(&texture_view),
|
|
},
|
|
wgpu::Binding {
|
|
binding: 4,
|
|
resource: wgpu::BindingResource::Sampler(&sampler),
|
|
},
|
|
],
|
|
label: bind_group_label.as_deref(),
|
|
});
|
|
|
|
let (color_attachment, resolve_target) = if self.msaa_sample_count >= 2 {
|
|
(&self.frame_buffer_view, Some(&swap_chain_output.view))
|
|
} else {
|
|
(&swap_chain_output.view, None)
|
|
};
|
|
let mut render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
|
|
color_attachments: &[wgpu::RenderPassColorAttachmentDescriptor {
|
|
attachment: color_attachment,
|
|
load_op: wgpu::LoadOp::Load,
|
|
store_op: wgpu::StoreOp::Store,
|
|
clear_color: wgpu::Color::WHITE,
|
|
resolve_target,
|
|
}],
|
|
depth_stencil_attachment: Some(wgpu::RenderPassDepthStencilAttachmentDescriptor {
|
|
attachment: &self.depth_texture_view,
|
|
depth_load_op: wgpu::LoadOp::Load,
|
|
depth_store_op: wgpu::StoreOp::Store,
|
|
stencil_load_op: wgpu::LoadOp::Load,
|
|
stencil_store_op: wgpu::StoreOp::Store,
|
|
clear_depth: 0.0,
|
|
clear_stencil: 0,
|
|
}),
|
|
});
|
|
|
|
render_pass.set_pipeline(&self.pipelines.bitmap.pipeline_for(
|
|
self.num_masks,
|
|
self.num_masks_active,
|
|
self.test_stencil_mask,
|
|
self.write_stencil_mask,
|
|
));
|
|
render_pass.set_bind_group(0, &bind_group, &[]);
|
|
render_pass.set_vertex_buffer(0, &self.quad_vbo, 0, 0);
|
|
render_pass.set_index_buffer(&self.quad_ibo, 0, 0);
|
|
|
|
if self.num_masks_active < self.num_masks {
|
|
render_pass.set_stencil_reference(self.write_stencil_mask);
|
|
} else {
|
|
render_pass.set_stencil_reference(self.test_stencil_mask);
|
|
}
|
|
|
|
render_pass.draw_indexed(0..6, 0, 0..1);
|
|
}
|
|
}
|
|
|
|
fn render_shape(&mut self, shape: ShapeHandle, transform: &Transform) {
|
|
let (swap_chain_output, encoder) =
|
|
if let Some((swap_chain_output, encoder)) = &mut self.current_frame {
|
|
(swap_chain_output, encoder)
|
|
} else {
|
|
return;
|
|
};
|
|
|
|
let mesh = &mut self.meshes[shape.0];
|
|
|
|
let world_matrix = [
|
|
[transform.matrix.a, transform.matrix.b, 0.0, 0.0],
|
|
[transform.matrix.c, transform.matrix.d, 0.0, 0.0],
|
|
[0.0, 0.0, 1.0, 0.0],
|
|
[
|
|
transform.matrix.tx.to_pixels() as f32,
|
|
transform.matrix.ty.to_pixels() as f32,
|
|
0.0,
|
|
1.0,
|
|
],
|
|
];
|
|
|
|
if transform.color_transform != mesh.colors_last {
|
|
let colors_temp = create_buffer_with_data(
|
|
&self.device,
|
|
bytemuck::cast_slice(&[ColorAdjustments::from(transform.color_transform)]),
|
|
wgpu::BufferUsage::COPY_SRC,
|
|
create_debug_label!("Shape {} colors transfer buffer", mesh.shape_id),
|
|
);
|
|
|
|
encoder.copy_buffer_to_buffer(
|
|
&colors_temp,
|
|
0,
|
|
&mesh.colors_buffer,
|
|
0,
|
|
std::mem::size_of::<ColorAdjustments>() as u64,
|
|
);
|
|
|
|
mesh.colors_last = transform.color_transform;
|
|
}
|
|
|
|
let transforms_temp = create_buffer_with_data(
|
|
&self.device,
|
|
bytemuck::cast_slice(&[Transforms {
|
|
view_matrix: self.view_matrix,
|
|
world_matrix,
|
|
}]),
|
|
wgpu::BufferUsage::COPY_SRC,
|
|
create_debug_label!("Shape {} transforms transfer buffer", mesh.shape_id),
|
|
);
|
|
|
|
encoder.copy_buffer_to_buffer(
|
|
&transforms_temp,
|
|
0,
|
|
&mesh.transforms,
|
|
0,
|
|
std::mem::size_of::<Transforms>() as u64,
|
|
);
|
|
|
|
let (color_attachment, resolve_target) = if self.msaa_sample_count >= 2 {
|
|
(&self.frame_buffer_view, Some(&swap_chain_output.view))
|
|
} else {
|
|
(&swap_chain_output.view, None)
|
|
};
|
|
let mut render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
|
|
color_attachments: &[wgpu::RenderPassColorAttachmentDescriptor {
|
|
attachment: color_attachment,
|
|
load_op: wgpu::LoadOp::Load,
|
|
store_op: wgpu::StoreOp::Store,
|
|
clear_color: wgpu::Color::WHITE,
|
|
resolve_target,
|
|
}],
|
|
depth_stencil_attachment: Some(wgpu::RenderPassDepthStencilAttachmentDescriptor {
|
|
attachment: &self.depth_texture_view,
|
|
depth_load_op: wgpu::LoadOp::Load,
|
|
depth_store_op: wgpu::StoreOp::Store,
|
|
stencil_load_op: wgpu::LoadOp::Load,
|
|
stencil_store_op: wgpu::StoreOp::Store,
|
|
clear_depth: 0.0,
|
|
clear_stencil: 0,
|
|
}),
|
|
});
|
|
|
|
for draw in &mesh.draws {
|
|
match &draw.draw_type {
|
|
DrawType::Color => {
|
|
render_pass.set_pipeline(&self.pipelines.color.pipeline_for(
|
|
self.num_masks,
|
|
self.num_masks_active,
|
|
self.test_stencil_mask,
|
|
self.write_stencil_mask,
|
|
));
|
|
}
|
|
DrawType::Gradient { .. } => {
|
|
render_pass.set_pipeline(&self.pipelines.gradient.pipeline_for(
|
|
self.num_masks,
|
|
self.num_masks_active,
|
|
self.test_stencil_mask,
|
|
self.write_stencil_mask,
|
|
));
|
|
}
|
|
DrawType::Bitmap { .. } => {
|
|
render_pass.set_pipeline(&self.pipelines.bitmap.pipeline_for(
|
|
self.num_masks,
|
|
self.num_masks_active,
|
|
self.test_stencil_mask,
|
|
self.write_stencil_mask,
|
|
));
|
|
}
|
|
}
|
|
|
|
render_pass.set_bind_group(0, &draw.bind_group, &[]);
|
|
render_pass.set_vertex_buffer(0, &draw.vertex_buffer, 0, 0);
|
|
render_pass.set_index_buffer(&draw.index_buffer, 0, 0);
|
|
|
|
if self.num_masks_active < self.num_masks {
|
|
render_pass.set_stencil_reference(self.write_stencil_mask);
|
|
} else {
|
|
render_pass.set_stencil_reference(self.test_stencil_mask);
|
|
}
|
|
|
|
render_pass.draw_indexed(0..draw.index_count, 0, 0..1);
|
|
}
|
|
}
|
|
|
|
fn end_frame(&mut self) {
|
|
if let Some((_frame, encoder)) = self.current_frame.take() {
|
|
self.queue.submit(&[encoder.finish()]);
|
|
}
|
|
}
|
|
|
|
fn draw_letterbox(&mut self, letterbox: Letterbox) {
|
|
match letterbox {
|
|
Letterbox::None => {}
|
|
Letterbox::Letterbox(margin) => {
|
|
self.draw_rect(
|
|
0.0,
|
|
0.0,
|
|
self.viewport_width,
|
|
margin,
|
|
Color {
|
|
r: 0,
|
|
g: 0,
|
|
b: 0,
|
|
a: 255,
|
|
},
|
|
);
|
|
self.draw_rect(
|
|
0.0,
|
|
self.viewport_height - margin,
|
|
self.viewport_width,
|
|
margin,
|
|
Color {
|
|
r: 0,
|
|
g: 0,
|
|
b: 0,
|
|
a: 255,
|
|
},
|
|
);
|
|
}
|
|
Letterbox::Pillarbox(margin) => {
|
|
self.draw_rect(
|
|
0.0,
|
|
0.0,
|
|
margin,
|
|
self.viewport_height,
|
|
Color {
|
|
r: 0,
|
|
g: 0,
|
|
b: 0,
|
|
a: 255,
|
|
},
|
|
);
|
|
self.draw_rect(
|
|
self.viewport_width - margin,
|
|
0.0,
|
|
margin,
|
|
self.viewport_height,
|
|
Color {
|
|
r: 0,
|
|
g: 0,
|
|
b: 0,
|
|
a: 255,
|
|
},
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn push_mask(&mut self) {
|
|
// Desktop draws the masker to the stencil buffer, one bit per mask.
|
|
// Masks-within-masks are handled as a bitmask.
|
|
// This does unfortunately mean we are limited in the number of masks at once (8 bits).
|
|
if self.next_stencil_mask >= 0x100 {
|
|
// If we've reached the limit of masks, clear the stencil buffer and start over.
|
|
// But this may not be correct if there is still a mask active (mask-within-mask).
|
|
if self.test_stencil_mask != 0 {
|
|
log::warn!(
|
|
"Too many masks active for stencil buffer; possibly incorrect rendering"
|
|
);
|
|
}
|
|
self.next_stencil_mask = 1;
|
|
if let Some((swap_chain_output, encoder)) = &mut self.current_frame {
|
|
let (color_attachment, resolve_target) = if self.msaa_sample_count >= 2 {
|
|
(&self.frame_buffer_view, Some(&swap_chain_output.view))
|
|
} else {
|
|
(&swap_chain_output.view, None)
|
|
};
|
|
encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
|
|
color_attachments: &[wgpu::RenderPassColorAttachmentDescriptor {
|
|
attachment: color_attachment,
|
|
load_op: wgpu::LoadOp::Load,
|
|
store_op: wgpu::StoreOp::Store,
|
|
clear_color: wgpu::Color::WHITE,
|
|
resolve_target,
|
|
}],
|
|
depth_stencil_attachment: Some(
|
|
wgpu::RenderPassDepthStencilAttachmentDescriptor {
|
|
attachment: &self.depth_texture_view,
|
|
depth_load_op: wgpu::LoadOp::Load,
|
|
depth_store_op: wgpu::StoreOp::Store,
|
|
stencil_load_op: wgpu::LoadOp::Clear,
|
|
stencil_store_op: wgpu::StoreOp::Store,
|
|
clear_depth: 0.0,
|
|
clear_stencil: self.test_stencil_mask,
|
|
},
|
|
),
|
|
});
|
|
}
|
|
}
|
|
self.num_masks += 1;
|
|
self.mask_stack
|
|
.push((self.write_stencil_mask, self.test_stencil_mask));
|
|
self.write_stencil_mask = self.next_stencil_mask;
|
|
self.test_stencil_mask |= self.next_stencil_mask;
|
|
self.next_stencil_mask <<= 1;
|
|
}
|
|
|
|
fn activate_mask(&mut self) {
|
|
self.num_masks_active += 1;
|
|
}
|
|
|
|
fn pop_mask(&mut self) {
|
|
if !self.mask_stack.is_empty() {
|
|
self.num_masks -= 1;
|
|
self.num_masks_active -= 1;
|
|
let (write, test) = self.mask_stack.pop().unwrap();
|
|
self.write_stencil_mask = write;
|
|
self.test_stencil_mask = test;
|
|
}
|
|
}
|
|
}
|
|
|
|
fn create_quad_buffers(device: &wgpu::Device) -> (wgpu::Buffer, wgpu::Buffer, wgpu::Buffer) {
|
|
let vertices = [
|
|
GPUVertex {
|
|
position: [0.0, 0.0],
|
|
color: [1.0, 1.0, 1.0, 1.0],
|
|
},
|
|
GPUVertex {
|
|
position: [1.0, 0.0],
|
|
color: [1.0, 1.0, 1.0, 1.0],
|
|
},
|
|
GPUVertex {
|
|
position: [1.0, 1.0],
|
|
color: [1.0, 1.0, 1.0, 1.0],
|
|
},
|
|
GPUVertex {
|
|
position: [0.0, 1.0],
|
|
color: [1.0, 1.0, 1.0, 1.0],
|
|
},
|
|
];
|
|
let indices: [u16; 6] = [0, 1, 2, 0, 2, 3];
|
|
|
|
let vbo = create_buffer_with_data(
|
|
device,
|
|
bytemuck::cast_slice(&vertices),
|
|
wgpu::BufferUsage::VERTEX,
|
|
create_debug_label!("Quad vbo"),
|
|
);
|
|
|
|
let ibo = create_buffer_with_data(
|
|
device,
|
|
bytemuck::cast_slice(&indices),
|
|
wgpu::BufferUsage::INDEX,
|
|
create_debug_label!("Quad ibo"),
|
|
);
|
|
|
|
let tex_transforms = create_buffer_with_data(
|
|
device,
|
|
bytemuck::cast_slice(&[TextureTransforms {
|
|
u_matrix: [
|
|
[1.0, 0.0, 0.0, 0.0],
|
|
[0.0, 1.0, 0.0, 0.0],
|
|
[0.0, 0.0, 1.0, 0.0],
|
|
[0.0, 0.0, 0.0, 1.0],
|
|
],
|
|
}]),
|
|
wgpu::BufferUsage::UNIFORM,
|
|
create_debug_label!("Quad tex transforms"),
|
|
);
|
|
|
|
(vbo, ibo, tex_transforms)
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct Texture {
|
|
width: u32,
|
|
height: u32,
|
|
texture: wgpu::Texture,
|
|
}
|
|
|
|
struct RuffleVertexCtor {
|
|
color: [f32; 4],
|
|
}
|
|
|
|
impl FillVertexConstructor<GPUVertex> for RuffleVertexCtor {
|
|
fn new_vertex(&mut self, position: lyon::math::Point, _: FillAttributes) -> GPUVertex {
|
|
GPUVertex {
|
|
position: [position.x, position.y],
|
|
color: self.color,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl StrokeVertexConstructor<GPUVertex> for RuffleVertexCtor {
|
|
fn new_vertex(&mut self, position: lyon::math::Point, _: StrokeAttributes) -> GPUVertex {
|
|
GPUVertex {
|
|
position: [position.x, position.y],
|
|
color: self.color,
|
|
}
|
|
}
|
|
}
|