1// Doing `if let` gives you nice scoping with passes/encoders
2#![allow(irrefutable_let_patterns)]
3
4use super::{BladeAtlas, PATH_TEXTURE_FORMAT};
5use crate::{
6 AtlasTextureKind, AtlasTile, Bounds, ContentMask, DevicePixels, GPUSpecs, Hsla,
7 MonochromeSprite, Path, PathId, PathVertex, PolychromeSprite, PrimitiveBatch, Quad,
8 ScaledPixels, Scene, Shadow, Size, Underline,
9};
10use bytemuck::{Pod, Zeroable};
11use collections::HashMap;
12use futures::channel::oneshot;
13#[cfg(target_os = "macos")]
14use media::core_video::CVMetalTextureCache;
15#[cfg(target_os = "macos")]
16use std::{ffi::c_void, ptr::NonNull};
17
18use blade_graphics as gpu;
19use blade_util::{BufferBelt, BufferBeltDescriptor};
20use std::{mem, sync::Arc};
21
22const MAX_FRAME_TIME_MS: u32 = 10000;
23
24#[cfg(target_os = "macos")]
25pub type Context = ();
26#[cfg(target_os = "macos")]
27pub type Renderer = BladeRenderer;
28
29#[cfg(target_os = "macos")]
30pub unsafe fn new_renderer(
31 _context: self::Context,
32 _native_window: *mut c_void,
33 native_view: *mut c_void,
34 bounds: crate::Size<f32>,
35 transparent: bool,
36) -> Renderer {
37 use raw_window_handle as rwh;
38 struct RawWindow {
39 view: *mut c_void,
40 }
41
42 impl rwh::HasWindowHandle for RawWindow {
43 fn window_handle(&self) -> Result<rwh::WindowHandle, rwh::HandleError> {
44 let view = NonNull::new(self.view).unwrap();
45 let handle = rwh::AppKitWindowHandle::new(view);
46 Ok(unsafe { rwh::WindowHandle::borrow_raw(handle.into()) })
47 }
48 }
49 impl rwh::HasDisplayHandle for RawWindow {
50 fn display_handle(&self) -> Result<rwh::DisplayHandle, rwh::HandleError> {
51 let handle = rwh::AppKitDisplayHandle::new();
52 Ok(unsafe { rwh::DisplayHandle::borrow_raw(handle.into()) })
53 }
54 }
55
56 let gpu = Arc::new(
57 gpu::Context::init_windowed(
58 &RawWindow {
59 view: native_view as *mut _,
60 },
61 gpu::ContextDesc {
62 validation: cfg!(debug_assertions),
63 capture: false,
64 overlay: false,
65 },
66 )
67 .unwrap(),
68 );
69
70 BladeRenderer::new(
71 gpu,
72 BladeSurfaceConfig {
73 size: gpu::Extent {
74 width: bounds.width as u32,
75 height: bounds.height as u32,
76 depth: 1,
77 },
78 transparent,
79 },
80 )
81}
82
83#[repr(C)]
84#[derive(Clone, Copy, Pod, Zeroable)]
85struct GlobalParams {
86 viewport_size: [f32; 2],
87 premultiplied_alpha: u32,
88 pad: u32,
89}
90
91//Note: we can't use `Bounds` directly here because
92// it doesn't implement Pod + Zeroable
93#[repr(C)]
94#[derive(Clone, Copy, Pod, Zeroable)]
95struct PodBounds {
96 origin: [f32; 2],
97 size: [f32; 2],
98}
99
100impl From<Bounds<ScaledPixels>> for PodBounds {
101 fn from(bounds: Bounds<ScaledPixels>) -> Self {
102 Self {
103 origin: [bounds.origin.x.0, bounds.origin.y.0],
104 size: [bounds.size.width.0, bounds.size.height.0],
105 }
106 }
107}
108
109#[repr(C)]
110#[derive(Clone, Copy, Pod, Zeroable)]
111struct SurfaceParams {
112 bounds: PodBounds,
113 content_mask: PodBounds,
114}
115
116#[derive(blade_macros::ShaderData)]
117struct ShaderQuadsData {
118 globals: GlobalParams,
119 b_quads: gpu::BufferPiece,
120}
121
122#[derive(blade_macros::ShaderData)]
123struct ShaderShadowsData {
124 globals: GlobalParams,
125 b_shadows: gpu::BufferPiece,
126}
127
128#[derive(blade_macros::ShaderData)]
129struct ShaderPathRasterizationData {
130 globals: GlobalParams,
131 b_path_vertices: gpu::BufferPiece,
132}
133
134#[derive(blade_macros::ShaderData)]
135struct ShaderPathsData {
136 globals: GlobalParams,
137 t_sprite: gpu::TextureView,
138 s_sprite: gpu::Sampler,
139 b_path_sprites: gpu::BufferPiece,
140}
141
142#[derive(blade_macros::ShaderData)]
143struct ShaderUnderlinesData {
144 globals: GlobalParams,
145 b_underlines: gpu::BufferPiece,
146}
147
148#[derive(blade_macros::ShaderData)]
149struct ShaderMonoSpritesData {
150 globals: GlobalParams,
151 t_sprite: gpu::TextureView,
152 s_sprite: gpu::Sampler,
153 b_mono_sprites: gpu::BufferPiece,
154}
155
156#[derive(blade_macros::ShaderData)]
157struct ShaderPolySpritesData {
158 globals: GlobalParams,
159 t_sprite: gpu::TextureView,
160 s_sprite: gpu::Sampler,
161 b_poly_sprites: gpu::BufferPiece,
162}
163
164#[derive(blade_macros::ShaderData)]
165struct ShaderSurfacesData {
166 globals: GlobalParams,
167 surface_locals: SurfaceParams,
168 t_y: gpu::TextureView,
169 t_cb_cr: gpu::TextureView,
170 s_surface: gpu::Sampler,
171}
172
173#[derive(Clone, Debug, Eq, PartialEq)]
174#[repr(C)]
175struct PathSprite {
176 bounds: Bounds<ScaledPixels>,
177 color: Hsla,
178 tile: AtlasTile,
179}
180
181struct BladePipelines {
182 quads: gpu::RenderPipeline,
183 shadows: gpu::RenderPipeline,
184 path_rasterization: gpu::RenderPipeline,
185 paths: gpu::RenderPipeline,
186 underlines: gpu::RenderPipeline,
187 mono_sprites: gpu::RenderPipeline,
188 poly_sprites: gpu::RenderPipeline,
189 surfaces: gpu::RenderPipeline,
190}
191
192impl BladePipelines {
193 fn new(gpu: &gpu::Context, surface_info: gpu::SurfaceInfo) -> Self {
194 use gpu::ShaderData as _;
195
196 log::info!(
197 "Initializing Blade pipelines for surface {:?}",
198 surface_info
199 );
200 let shader = gpu.create_shader(gpu::ShaderDesc {
201 source: include_str!("shaders.wgsl"),
202 });
203 shader.check_struct_size::<GlobalParams>();
204 shader.check_struct_size::<SurfaceParams>();
205 shader.check_struct_size::<Quad>();
206 shader.check_struct_size::<Shadow>();
207 assert_eq!(
208 mem::size_of::<PathVertex<ScaledPixels>>(),
209 shader.get_struct_size("PathVertex") as usize,
210 );
211 shader.check_struct_size::<PathSprite>();
212 shader.check_struct_size::<Underline>();
213 shader.check_struct_size::<MonochromeSprite>();
214 shader.check_struct_size::<PolychromeSprite>();
215
216 // See https://apoorvaj.io/alpha-compositing-opengl-blending-and-premultiplied-alpha/
217 let blend_mode = match surface_info.alpha {
218 gpu::AlphaMode::Ignored => gpu::BlendState::ALPHA_BLENDING,
219 gpu::AlphaMode::PreMultiplied => gpu::BlendState::PREMULTIPLIED_ALPHA_BLENDING,
220 gpu::AlphaMode::PostMultiplied => gpu::BlendState::ALPHA_BLENDING,
221 };
222 let color_targets = &[gpu::ColorTargetState {
223 format: surface_info.format,
224 blend: Some(blend_mode),
225 write_mask: gpu::ColorWrites::default(),
226 }];
227
228 Self {
229 quads: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
230 name: "quads",
231 data_layouts: &[&ShaderQuadsData::layout()],
232 vertex: shader.at("vs_quad"),
233 vertex_fetches: &[],
234 primitive: gpu::PrimitiveState {
235 topology: gpu::PrimitiveTopology::TriangleStrip,
236 ..Default::default()
237 },
238 depth_stencil: None,
239 fragment: shader.at("fs_quad"),
240 color_targets,
241 }),
242 shadows: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
243 name: "shadows",
244 data_layouts: &[&ShaderShadowsData::layout()],
245 vertex: shader.at("vs_shadow"),
246 vertex_fetches: &[],
247 primitive: gpu::PrimitiveState {
248 topology: gpu::PrimitiveTopology::TriangleStrip,
249 ..Default::default()
250 },
251 depth_stencil: None,
252 fragment: shader.at("fs_shadow"),
253 color_targets,
254 }),
255 path_rasterization: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
256 name: "path_rasterization",
257 data_layouts: &[&ShaderPathRasterizationData::layout()],
258 vertex: shader.at("vs_path_rasterization"),
259 vertex_fetches: &[],
260 primitive: gpu::PrimitiveState {
261 topology: gpu::PrimitiveTopology::TriangleList,
262 ..Default::default()
263 },
264 depth_stencil: None,
265 fragment: shader.at("fs_path_rasterization"),
266 color_targets: &[gpu::ColorTargetState {
267 format: PATH_TEXTURE_FORMAT,
268 blend: Some(gpu::BlendState::ADDITIVE),
269 write_mask: gpu::ColorWrites::default(),
270 }],
271 }),
272 paths: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
273 name: "paths",
274 data_layouts: &[&ShaderPathsData::layout()],
275 vertex: shader.at("vs_path"),
276 vertex_fetches: &[],
277 primitive: gpu::PrimitiveState {
278 topology: gpu::PrimitiveTopology::TriangleStrip,
279 ..Default::default()
280 },
281 depth_stencil: None,
282 fragment: shader.at("fs_path"),
283 color_targets,
284 }),
285 underlines: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
286 name: "underlines",
287 data_layouts: &[&ShaderUnderlinesData::layout()],
288 vertex: shader.at("vs_underline"),
289 vertex_fetches: &[],
290 primitive: gpu::PrimitiveState {
291 topology: gpu::PrimitiveTopology::TriangleStrip,
292 ..Default::default()
293 },
294 depth_stencil: None,
295 fragment: shader.at("fs_underline"),
296 color_targets,
297 }),
298 mono_sprites: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
299 name: "mono-sprites",
300 data_layouts: &[&ShaderMonoSpritesData::layout()],
301 vertex: shader.at("vs_mono_sprite"),
302 vertex_fetches: &[],
303 primitive: gpu::PrimitiveState {
304 topology: gpu::PrimitiveTopology::TriangleStrip,
305 ..Default::default()
306 },
307 depth_stencil: None,
308 fragment: shader.at("fs_mono_sprite"),
309 color_targets,
310 }),
311 poly_sprites: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
312 name: "poly-sprites",
313 data_layouts: &[&ShaderPolySpritesData::layout()],
314 vertex: shader.at("vs_poly_sprite"),
315 vertex_fetches: &[],
316 primitive: gpu::PrimitiveState {
317 topology: gpu::PrimitiveTopology::TriangleStrip,
318 ..Default::default()
319 },
320 depth_stencil: None,
321 fragment: shader.at("fs_poly_sprite"),
322 color_targets,
323 }),
324 surfaces: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
325 name: "surfaces",
326 data_layouts: &[&ShaderSurfacesData::layout()],
327 vertex: shader.at("vs_surface"),
328 vertex_fetches: &[],
329 primitive: gpu::PrimitiveState {
330 topology: gpu::PrimitiveTopology::TriangleStrip,
331 ..Default::default()
332 },
333 depth_stencil: None,
334 fragment: shader.at("fs_surface"),
335 color_targets,
336 }),
337 }
338 }
339}
340
341pub struct BladeSurfaceConfig {
342 pub size: gpu::Extent,
343 pub transparent: bool,
344}
345
346pub struct BladeRenderer {
347 gpu: Arc<gpu::Context>,
348 surface_config: gpu::SurfaceConfig,
349 alpha_mode: gpu::AlphaMode,
350 command_encoder: gpu::CommandEncoder,
351 last_sync_point: Option<gpu::SyncPoint>,
352 pipelines: BladePipelines,
353 instance_belt: BufferBelt,
354 path_tiles: HashMap<PathId, AtlasTile>,
355 atlas: Arc<BladeAtlas>,
356 atlas_sampler: gpu::Sampler,
357 #[cfg(target_os = "macos")]
358 core_video_texture_cache: CVMetalTextureCache,
359}
360
361impl BladeRenderer {
362 pub fn new(gpu: Arc<gpu::Context>, config: BladeSurfaceConfig) -> Self {
363 let surface_config = gpu::SurfaceConfig {
364 size: config.size,
365 usage: gpu::TextureUsage::TARGET,
366 display_sync: gpu::DisplaySync::Recent,
367 color_space: gpu::ColorSpace::Linear,
368 allow_exclusive_full_screen: false,
369 transparent: config.transparent,
370 };
371 let surface_info = gpu.resize(surface_config);
372
373 let command_encoder = gpu.create_command_encoder(gpu::CommandEncoderDesc {
374 name: "main",
375 buffer_count: 2,
376 });
377 let pipelines = BladePipelines::new(&gpu, surface_info);
378 let instance_belt = BufferBelt::new(BufferBeltDescriptor {
379 memory: gpu::Memory::Shared,
380 min_chunk_size: 0x1000,
381 alignment: 0x40, // Vulkan `minStorageBufferOffsetAlignment` on Intel Xe
382 });
383 let atlas = Arc::new(BladeAtlas::new(&gpu));
384 let atlas_sampler = gpu.create_sampler(gpu::SamplerDesc {
385 name: "atlas",
386 mag_filter: gpu::FilterMode::Linear,
387 min_filter: gpu::FilterMode::Linear,
388 ..Default::default()
389 });
390
391 #[cfg(target_os = "macos")]
392 let core_video_texture_cache = unsafe {
393 use foreign_types::ForeignType as _;
394 CVMetalTextureCache::new(gpu.metal_device().as_ptr()).unwrap()
395 };
396
397 Self {
398 gpu,
399 surface_config,
400 alpha_mode: surface_info.alpha,
401 command_encoder,
402 last_sync_point: None,
403 pipelines,
404 instance_belt,
405 path_tiles: HashMap::default(),
406 atlas,
407 atlas_sampler,
408 #[cfg(target_os = "macos")]
409 core_video_texture_cache,
410 }
411 }
412
413 fn wait_for_gpu(&mut self) {
414 if let Some(last_sp) = self.last_sync_point.take() {
415 if !self.gpu.wait_for(&last_sp, MAX_FRAME_TIME_MS) {
416 log::error!("GPU hung");
417 while !self.gpu.wait_for(&last_sp, MAX_FRAME_TIME_MS) {}
418 }
419 }
420 }
421
422 pub fn update_drawable_size(&mut self, size: Size<DevicePixels>) {
423 let gpu_size = gpu::Extent {
424 width: size.width.0 as u32,
425 height: size.height.0 as u32,
426 depth: 1,
427 };
428
429 if gpu_size != self.surface_config.size {
430 self.wait_for_gpu();
431 self.surface_config.size = gpu_size;
432 self.gpu.resize(self.surface_config);
433 }
434 }
435
436 pub fn update_transparency(&mut self, transparent: bool) {
437 if transparent != self.surface_config.transparent {
438 self.wait_for_gpu();
439 self.surface_config.transparent = transparent;
440 let surface_info = self.gpu.resize(self.surface_config);
441 self.pipelines = BladePipelines::new(&self.gpu, surface_info);
442 self.alpha_mode = surface_info.alpha;
443 }
444 }
445
446 #[cfg_attr(target_os = "macos", allow(dead_code))]
447 pub fn viewport_size(&self) -> gpu::Extent {
448 self.surface_config.size
449 }
450
451 pub fn sprite_atlas(&self) -> &Arc<BladeAtlas> {
452 &self.atlas
453 }
454
455 #[cfg_attr(target_os = "macos", allow(dead_code))]
456 pub fn gpu_specs(&self) -> GPUSpecs {
457 let info = self.gpu.device_information();
458
459 GPUSpecs {
460 is_software_emulated: info.is_software_emulated,
461 device_name: info.device_name.clone(),
462 driver_name: info.driver_name.clone(),
463 driver_info: info.driver_info.clone(),
464 }
465 }
466
467 #[cfg(target_os = "macos")]
468 pub fn layer(&self) -> metal::MetalLayer {
469 self.gpu.metal_layer().unwrap()
470 }
471
472 #[cfg(target_os = "macos")]
473 pub fn layer_ptr(&self) -> *mut metal::CAMetalLayer {
474 use metal::foreign_types::ForeignType as _;
475 self.gpu.metal_layer().unwrap().as_ptr()
476 }
477
478 #[profiling::function]
479 fn rasterize_paths(&mut self, paths: &[Path<ScaledPixels>]) {
480 self.path_tiles.clear();
481 let mut vertices_by_texture_id = HashMap::default();
482
483 for path in paths {
484 let clipped_bounds = path
485 .bounds
486 .intersect(&path.content_mask.bounds)
487 .map_origin(|origin| origin.floor())
488 .map_size(|size| size.ceil());
489 let tile = self.atlas.allocate_for_rendering(
490 clipped_bounds.size.map(Into::into),
491 AtlasTextureKind::Path,
492 &mut self.command_encoder,
493 );
494 vertices_by_texture_id
495 .entry(tile.texture_id)
496 .or_insert(Vec::new())
497 .extend(path.vertices.iter().map(|vertex| PathVertex {
498 xy_position: vertex.xy_position - clipped_bounds.origin
499 + tile.bounds.origin.map(Into::into),
500 st_position: vertex.st_position,
501 content_mask: ContentMask {
502 bounds: tile.bounds.map(Into::into),
503 },
504 }));
505 self.path_tiles.insert(path.id, tile);
506 }
507
508 for (texture_id, vertices) in vertices_by_texture_id {
509 let tex_info = self.atlas.get_texture_info(texture_id);
510 let globals = GlobalParams {
511 viewport_size: [tex_info.size.width as f32, tex_info.size.height as f32],
512 premultiplied_alpha: 0,
513 pad: 0,
514 };
515
516 let vertex_buf = unsafe { self.instance_belt.alloc_typed(&vertices, &self.gpu) };
517 let mut pass = self.command_encoder.render(gpu::RenderTargetSet {
518 colors: &[gpu::RenderTarget {
519 view: tex_info.raw_view,
520 init_op: gpu::InitOp::Clear(gpu::TextureColor::OpaqueBlack),
521 finish_op: gpu::FinishOp::Store,
522 }],
523 depth_stencil: None,
524 });
525
526 let mut encoder = pass.with(&self.pipelines.path_rasterization);
527 encoder.bind(
528 0,
529 &ShaderPathRasterizationData {
530 globals,
531 b_path_vertices: vertex_buf,
532 },
533 );
534 encoder.draw(0, vertices.len() as u32, 0, 1);
535 }
536 }
537
538 pub fn destroy(&mut self) {
539 self.wait_for_gpu();
540 self.atlas.destroy();
541 self.instance_belt.destroy(&self.gpu);
542 self.gpu.destroy_command_encoder(&mut self.command_encoder);
543 }
544
545 pub fn draw(
546 &mut self,
547 scene: &Scene,
548 // Required to compile on macOS, but not currently supported.
549 _on_complete: Option<oneshot::Sender<()>>,
550 ) {
551 self.command_encoder.start();
552 self.atlas.before_frame(&mut self.command_encoder);
553 self.rasterize_paths(scene.paths());
554
555 let frame = {
556 profiling::scope!("acquire frame");
557 self.gpu.acquire_frame()
558 };
559 self.command_encoder.init_texture(frame.texture());
560
561 let globals = GlobalParams {
562 viewport_size: [
563 self.surface_config.size.width as f32,
564 self.surface_config.size.height as f32,
565 ],
566 premultiplied_alpha: match self.alpha_mode {
567 gpu::AlphaMode::Ignored | gpu::AlphaMode::PostMultiplied => 0,
568 gpu::AlphaMode::PreMultiplied => 1,
569 },
570 pad: 0,
571 };
572
573 if let mut pass = self.command_encoder.render(gpu::RenderTargetSet {
574 colors: &[gpu::RenderTarget {
575 view: frame.texture_view(),
576 init_op: gpu::InitOp::Clear(gpu::TextureColor::TransparentBlack),
577 finish_op: gpu::FinishOp::Store,
578 }],
579 depth_stencil: None,
580 }) {
581 profiling::scope!("render pass");
582 for batch in scene.batches() {
583 match batch {
584 PrimitiveBatch::Quads(quads) => {
585 let instance_buf =
586 unsafe { self.instance_belt.alloc_typed(quads, &self.gpu) };
587 let mut encoder = pass.with(&self.pipelines.quads);
588 encoder.bind(
589 0,
590 &ShaderQuadsData {
591 globals,
592 b_quads: instance_buf,
593 },
594 );
595 encoder.draw(0, 4, 0, quads.len() as u32);
596 }
597 PrimitiveBatch::Shadows(shadows) => {
598 let instance_buf =
599 unsafe { self.instance_belt.alloc_typed(shadows, &self.gpu) };
600 let mut encoder = pass.with(&self.pipelines.shadows);
601 encoder.bind(
602 0,
603 &ShaderShadowsData {
604 globals,
605 b_shadows: instance_buf,
606 },
607 );
608 encoder.draw(0, 4, 0, shadows.len() as u32);
609 }
610 PrimitiveBatch::Paths(paths) => {
611 let mut encoder = pass.with(&self.pipelines.paths);
612 // todo(linux): group by texture ID
613 for path in paths {
614 let tile = &self.path_tiles[&path.id];
615 let tex_info = self.atlas.get_texture_info(tile.texture_id);
616 let origin = path.bounds.intersect(&path.content_mask.bounds).origin;
617 let sprites = [PathSprite {
618 bounds: Bounds {
619 origin: origin.map(|p| p.floor()),
620 size: tile.bounds.size.map(Into::into),
621 },
622 color: path.color,
623 tile: (*tile).clone(),
624 }];
625
626 let instance_buf =
627 unsafe { self.instance_belt.alloc_typed(&sprites, &self.gpu) };
628 encoder.bind(
629 0,
630 &ShaderPathsData {
631 globals,
632 t_sprite: tex_info.raw_view,
633 s_sprite: self.atlas_sampler,
634 b_path_sprites: instance_buf,
635 },
636 );
637 encoder.draw(0, 4, 0, sprites.len() as u32);
638 }
639 }
640 PrimitiveBatch::Underlines(underlines) => {
641 let instance_buf =
642 unsafe { self.instance_belt.alloc_typed(underlines, &self.gpu) };
643 let mut encoder = pass.with(&self.pipelines.underlines);
644 encoder.bind(
645 0,
646 &ShaderUnderlinesData {
647 globals,
648 b_underlines: instance_buf,
649 },
650 );
651 encoder.draw(0, 4, 0, underlines.len() as u32);
652 }
653 PrimitiveBatch::MonochromeSprites {
654 texture_id,
655 sprites,
656 } => {
657 let tex_info = self.atlas.get_texture_info(texture_id);
658 let instance_buf =
659 unsafe { self.instance_belt.alloc_typed(sprites, &self.gpu) };
660 let mut encoder = pass.with(&self.pipelines.mono_sprites);
661 encoder.bind(
662 0,
663 &ShaderMonoSpritesData {
664 globals,
665 t_sprite: tex_info.raw_view,
666 s_sprite: self.atlas_sampler,
667 b_mono_sprites: instance_buf,
668 },
669 );
670 encoder.draw(0, 4, 0, sprites.len() as u32);
671 }
672 PrimitiveBatch::PolychromeSprites {
673 texture_id,
674 sprites,
675 } => {
676 let tex_info = self.atlas.get_texture_info(texture_id);
677 let instance_buf =
678 unsafe { self.instance_belt.alloc_typed(sprites, &self.gpu) };
679 let mut encoder = pass.with(&self.pipelines.poly_sprites);
680 encoder.bind(
681 0,
682 &ShaderPolySpritesData {
683 globals,
684 t_sprite: tex_info.raw_view,
685 s_sprite: self.atlas_sampler,
686 b_poly_sprites: instance_buf,
687 },
688 );
689 encoder.draw(0, 4, 0, sprites.len() as u32);
690 }
691 PrimitiveBatch::Surfaces(surfaces) => {
692 let mut _encoder = pass.with(&self.pipelines.surfaces);
693
694 for surface in surfaces {
695 #[cfg(not(target_os = "macos"))]
696 {
697 let _ = surface;
698 continue;
699 };
700
701 #[cfg(target_os = "macos")]
702 {
703 let (t_y, t_cb_cr) = {
704 use core_foundation::base::TCFType as _;
705 use std::ptr;
706
707 assert_eq!(
708 surface.image_buffer.pixel_format_type(),
709 media::core_video::kCVPixelFormatType_420YpCbCr8BiPlanarFullRange
710 );
711
712 let y_texture = unsafe {
713 self.core_video_texture_cache
714 .create_texture_from_image(
715 surface.image_buffer.as_concrete_TypeRef(),
716 ptr::null(),
717 metal::MTLPixelFormat::R8Unorm,
718 surface.image_buffer.plane_width(0),
719 surface.image_buffer.plane_height(0),
720 0,
721 )
722 .unwrap()
723 };
724 let cb_cr_texture = unsafe {
725 self.core_video_texture_cache
726 .create_texture_from_image(
727 surface.image_buffer.as_concrete_TypeRef(),
728 ptr::null(),
729 metal::MTLPixelFormat::RG8Unorm,
730 surface.image_buffer.plane_width(1),
731 surface.image_buffer.plane_height(1),
732 1,
733 )
734 .unwrap()
735 };
736 (
737 gpu::TextureView::from_metal_texture(
738 y_texture.as_texture_ref(),
739 ),
740 gpu::TextureView::from_metal_texture(
741 cb_cr_texture.as_texture_ref(),
742 ),
743 )
744 };
745
746 _encoder.bind(
747 0,
748 &ShaderSurfacesData {
749 globals,
750 surface_locals: SurfaceParams {
751 bounds: surface.bounds.into(),
752 content_mask: surface.content_mask.bounds.into(),
753 },
754 t_y,
755 t_cb_cr,
756 s_surface: self.atlas_sampler,
757 },
758 );
759
760 _encoder.draw(0, 4, 0, 1);
761 }
762 }
763 }
764 }
765 }
766 }
767
768 self.command_encoder.present(frame);
769 let sync_point = self.gpu.submit(&mut self.command_encoder);
770
771 profiling::scope!("finish");
772 self.instance_belt.flush(&sync_point);
773 self.atlas.after_frame(&sync_point);
774 self.atlas.clear_textures(AtlasTextureKind::Path);
775
776 self.wait_for_gpu();
777 self.last_sync_point = Some(sync_point);
778 }
779
780 /// Required to compile on macOS, but not currently supported.
781 #[cfg_attr(any(target_os = "linux", target_os = "windows"), allow(dead_code))]
782 pub fn fps(&self) -> f32 {
783 0.0
784 }
785}