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, Hsla, MonochromeSprite, Path,
7 PathId, PathVertex, PolychromeSprite, PrimitiveBatch, Quad, ScaledPixels, Scene, Shadow, Size,
8 Underline,
9};
10use bytemuck::{Pod, Zeroable};
11use collections::HashMap;
12#[cfg(target_os = "macos")]
13use media::core_video::CVMetalTextureCache;
14#[cfg(target_os = "macos")]
15use std::{ffi::c_void, ptr::NonNull};
16
17use blade_graphics as gpu;
18use blade_util::{BufferBelt, BufferBeltDescriptor};
19use std::{mem, sync::Arc};
20
21const MAX_FRAME_TIME_MS: u32 = 1000;
22
23#[cfg(target_os = "macos")]
24pub type Context = ();
25#[cfg(target_os = "macos")]
26pub type Renderer = BladeRenderer;
27
28#[cfg(target_os = "macos")]
29pub unsafe fn new_renderer(
30 _context: self::Context,
31 _native_window: *mut c_void,
32 native_view: *mut c_void,
33 bounds: crate::Size<f32>,
34 transparent: bool,
35) -> Renderer {
36 use raw_window_handle as rwh;
37 struct RawWindow {
38 view: *mut c_void,
39 }
40
41 impl rwh::HasWindowHandle for RawWindow {
42 fn window_handle(&self) -> Result<rwh::WindowHandle, rwh::HandleError> {
43 let view = NonNull::new(self.view).unwrap();
44 let handle = rwh::AppKitWindowHandle::new(view);
45 Ok(unsafe { rwh::WindowHandle::borrow_raw(handle.into()) })
46 }
47 }
48 impl rwh::HasDisplayHandle for RawWindow {
49 fn display_handle(&self) -> Result<rwh::DisplayHandle, rwh::HandleError> {
50 let handle = rwh::AppKitDisplayHandle::new();
51 Ok(unsafe { rwh::DisplayHandle::borrow_raw(handle.into()) })
52 }
53 }
54
55 let gpu = Arc::new(
56 gpu::Context::init_windowed(
57 &RawWindow {
58 view: native_view as *mut _,
59 },
60 gpu::ContextDesc {
61 validation: cfg!(debug_assertions),
62 capture: false,
63 overlay: false,
64 },
65 )
66 .unwrap(),
67 );
68
69 BladeRenderer::new(
70 gpu,
71 BladeSurfaceConfig {
72 size: gpu::Extent {
73 width: bounds.width as u32,
74 height: bounds.height as u32,
75 depth: 1,
76 },
77 transparent,
78 },
79 )
80}
81
82#[repr(C)]
83#[derive(Clone, Copy, Pod, Zeroable)]
84struct GlobalParams {
85 viewport_size: [f32; 2],
86 premultiplied_alpha: u32,
87 pad: u32,
88}
89
90//Note: we can't use `Bounds` directly here because
91// it doesn't implement Pod + Zeroable
92#[repr(C)]
93#[derive(Clone, Copy, Pod, Zeroable)]
94struct PodBounds {
95 origin: [f32; 2],
96 size: [f32; 2],
97}
98
99impl From<Bounds<ScaledPixels>> for PodBounds {
100 fn from(bounds: Bounds<ScaledPixels>) -> Self {
101 Self {
102 origin: [bounds.origin.x.0, bounds.origin.y.0],
103 size: [bounds.size.width.0, bounds.size.height.0],
104 }
105 }
106}
107
108#[repr(C)]
109#[derive(Clone, Copy, Pod, Zeroable)]
110struct SurfaceParams {
111 bounds: PodBounds,
112 content_mask: PodBounds,
113}
114
115#[derive(blade_macros::ShaderData)]
116struct ShaderQuadsData {
117 globals: GlobalParams,
118 b_quads: gpu::BufferPiece,
119}
120
121#[derive(blade_macros::ShaderData)]
122struct ShaderShadowsData {
123 globals: GlobalParams,
124 b_shadows: gpu::BufferPiece,
125}
126
127#[derive(blade_macros::ShaderData)]
128struct ShaderPathRasterizationData {
129 globals: GlobalParams,
130 b_path_vertices: gpu::BufferPiece,
131}
132
133#[derive(blade_macros::ShaderData)]
134struct ShaderPathsData {
135 globals: GlobalParams,
136 t_sprite: gpu::TextureView,
137 s_sprite: gpu::Sampler,
138 b_path_sprites: gpu::BufferPiece,
139}
140
141#[derive(blade_macros::ShaderData)]
142struct ShaderUnderlinesData {
143 globals: GlobalParams,
144 b_underlines: gpu::BufferPiece,
145}
146
147#[derive(blade_macros::ShaderData)]
148struct ShaderMonoSpritesData {
149 globals: GlobalParams,
150 t_sprite: gpu::TextureView,
151 s_sprite: gpu::Sampler,
152 b_mono_sprites: gpu::BufferPiece,
153}
154
155#[derive(blade_macros::ShaderData)]
156struct ShaderPolySpritesData {
157 globals: GlobalParams,
158 t_sprite: gpu::TextureView,
159 s_sprite: gpu::Sampler,
160 b_poly_sprites: gpu::BufferPiece,
161}
162
163#[derive(blade_macros::ShaderData)]
164struct ShaderSurfacesData {
165 globals: GlobalParams,
166 surface_locals: SurfaceParams,
167 t_y: gpu::TextureView,
168 t_cb_cr: gpu::TextureView,
169 s_surface: gpu::Sampler,
170}
171
172#[derive(Clone, Debug, Eq, PartialEq)]
173#[repr(C)]
174struct PathSprite {
175 bounds: Bounds<ScaledPixels>,
176 color: Hsla,
177 tile: AtlasTile,
178}
179
180struct BladePipelines {
181 quads: gpu::RenderPipeline,
182 shadows: gpu::RenderPipeline,
183 path_rasterization: gpu::RenderPipeline,
184 paths: gpu::RenderPipeline,
185 underlines: gpu::RenderPipeline,
186 mono_sprites: gpu::RenderPipeline,
187 poly_sprites: gpu::RenderPipeline,
188 surfaces: gpu::RenderPipeline,
189}
190
191impl BladePipelines {
192 fn new(gpu: &gpu::Context, surface_info: gpu::SurfaceInfo) -> Self {
193 use gpu::ShaderData as _;
194
195 log::info!(
196 "Initializing Blade pipelines for surface {:?}",
197 surface_info
198 );
199 let shader = gpu.create_shader(gpu::ShaderDesc {
200 source: include_str!("shaders.wgsl"),
201 });
202 shader.check_struct_size::<GlobalParams>();
203 shader.check_struct_size::<SurfaceParams>();
204 shader.check_struct_size::<Quad>();
205 shader.check_struct_size::<Shadow>();
206 assert_eq!(
207 mem::size_of::<PathVertex<ScaledPixels>>(),
208 shader.get_struct_size("PathVertex") as usize,
209 );
210 shader.check_struct_size::<PathSprite>();
211 shader.check_struct_size::<Underline>();
212 shader.check_struct_size::<MonochromeSprite>();
213 shader.check_struct_size::<PolychromeSprite>();
214
215 // See https://apoorvaj.io/alpha-compositing-opengl-blending-and-premultiplied-alpha/
216 let blend_mode = match surface_info.alpha {
217 gpu::AlphaMode::Ignored => gpu::BlendState::ALPHA_BLENDING,
218 gpu::AlphaMode::PreMultiplied => gpu::BlendState::PREMULTIPLIED_ALPHA_BLENDING,
219 gpu::AlphaMode::PostMultiplied => gpu::BlendState::ALPHA_BLENDING,
220 };
221 let color_targets = &[gpu::ColorTargetState {
222 format: surface_info.format,
223 blend: Some(blend_mode),
224 write_mask: gpu::ColorWrites::default(),
225 }];
226
227 Self {
228 quads: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
229 name: "quads",
230 data_layouts: &[&ShaderQuadsData::layout()],
231 vertex: shader.at("vs_quad"),
232 vertex_fetches: &[],
233 primitive: gpu::PrimitiveState {
234 topology: gpu::PrimitiveTopology::TriangleStrip,
235 ..Default::default()
236 },
237 depth_stencil: None,
238 fragment: shader.at("fs_quad"),
239 color_targets,
240 }),
241 shadows: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
242 name: "shadows",
243 data_layouts: &[&ShaderShadowsData::layout()],
244 vertex: shader.at("vs_shadow"),
245 vertex_fetches: &[],
246 primitive: gpu::PrimitiveState {
247 topology: gpu::PrimitiveTopology::TriangleStrip,
248 ..Default::default()
249 },
250 depth_stencil: None,
251 fragment: shader.at("fs_shadow"),
252 color_targets,
253 }),
254 path_rasterization: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
255 name: "path_rasterization",
256 data_layouts: &[&ShaderPathRasterizationData::layout()],
257 vertex: shader.at("vs_path_rasterization"),
258 vertex_fetches: &[],
259 primitive: gpu::PrimitiveState {
260 topology: gpu::PrimitiveTopology::TriangleList,
261 ..Default::default()
262 },
263 depth_stencil: None,
264 fragment: shader.at("fs_path_rasterization"),
265 color_targets: &[gpu::ColorTargetState {
266 format: PATH_TEXTURE_FORMAT,
267 blend: Some(gpu::BlendState::ADDITIVE),
268 write_mask: gpu::ColorWrites::default(),
269 }],
270 }),
271 paths: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
272 name: "paths",
273 data_layouts: &[&ShaderPathsData::layout()],
274 vertex: shader.at("vs_path"),
275 vertex_fetches: &[],
276 primitive: gpu::PrimitiveState {
277 topology: gpu::PrimitiveTopology::TriangleStrip,
278 ..Default::default()
279 },
280 depth_stencil: None,
281 fragment: shader.at("fs_path"),
282 color_targets,
283 }),
284 underlines: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
285 name: "underlines",
286 data_layouts: &[&ShaderUnderlinesData::layout()],
287 vertex: shader.at("vs_underline"),
288 vertex_fetches: &[],
289 primitive: gpu::PrimitiveState {
290 topology: gpu::PrimitiveTopology::TriangleStrip,
291 ..Default::default()
292 },
293 depth_stencil: None,
294 fragment: shader.at("fs_underline"),
295 color_targets,
296 }),
297 mono_sprites: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
298 name: "mono-sprites",
299 data_layouts: &[&ShaderMonoSpritesData::layout()],
300 vertex: shader.at("vs_mono_sprite"),
301 vertex_fetches: &[],
302 primitive: gpu::PrimitiveState {
303 topology: gpu::PrimitiveTopology::TriangleStrip,
304 ..Default::default()
305 },
306 depth_stencil: None,
307 fragment: shader.at("fs_mono_sprite"),
308 color_targets,
309 }),
310 poly_sprites: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
311 name: "poly-sprites",
312 data_layouts: &[&ShaderPolySpritesData::layout()],
313 vertex: shader.at("vs_poly_sprite"),
314 vertex_fetches: &[],
315 primitive: gpu::PrimitiveState {
316 topology: gpu::PrimitiveTopology::TriangleStrip,
317 ..Default::default()
318 },
319 depth_stencil: None,
320 fragment: shader.at("fs_poly_sprite"),
321 color_targets,
322 }),
323 surfaces: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
324 name: "surfaces",
325 data_layouts: &[&ShaderSurfacesData::layout()],
326 vertex: shader.at("vs_surface"),
327 vertex_fetches: &[],
328 primitive: gpu::PrimitiveState {
329 topology: gpu::PrimitiveTopology::TriangleStrip,
330 ..Default::default()
331 },
332 depth_stencil: None,
333 fragment: shader.at("fs_surface"),
334 color_targets,
335 }),
336 }
337 }
338}
339
340pub struct BladeSurfaceConfig {
341 pub size: gpu::Extent,
342 pub transparent: bool,
343}
344
345pub struct BladeRenderer {
346 gpu: Arc<gpu::Context>,
347 surface_config: gpu::SurfaceConfig,
348 alpha_mode: gpu::AlphaMode,
349 command_encoder: gpu::CommandEncoder,
350 last_sync_point: Option<gpu::SyncPoint>,
351 pipelines: BladePipelines,
352 instance_belt: BufferBelt,
353 path_tiles: HashMap<PathId, AtlasTile>,
354 atlas: Arc<BladeAtlas>,
355 atlas_sampler: gpu::Sampler,
356 #[cfg(target_os = "macos")]
357 core_video_texture_cache: CVMetalTextureCache,
358}
359
360impl BladeRenderer {
361 pub fn new(gpu: Arc<gpu::Context>, config: BladeSurfaceConfig) -> Self {
362 let surface_config = gpu::SurfaceConfig {
363 size: config.size,
364 usage: gpu::TextureUsage::TARGET,
365 display_sync: gpu::DisplaySync::Recent,
366 color_space: gpu::ColorSpace::Linear,
367 allow_exclusive_full_screen: false,
368 transparent: config.transparent,
369 };
370 let surface_info = gpu.resize(surface_config);
371
372 let command_encoder = gpu.create_command_encoder(gpu::CommandEncoderDesc {
373 name: "main",
374 buffer_count: 2,
375 });
376 let pipelines = BladePipelines::new(&gpu, surface_info);
377 let instance_belt = BufferBelt::new(BufferBeltDescriptor {
378 memory: gpu::Memory::Shared,
379 min_chunk_size: 0x1000,
380 alignment: 0x40, // Vulkan `minStorageBufferOffsetAlignment` on Intel Xe
381 });
382 let atlas = Arc::new(BladeAtlas::new(&gpu));
383 let atlas_sampler = gpu.create_sampler(gpu::SamplerDesc {
384 name: "atlas",
385 mag_filter: gpu::FilterMode::Linear,
386 min_filter: gpu::FilterMode::Linear,
387 ..Default::default()
388 });
389
390 #[cfg(target_os = "macos")]
391 let core_video_texture_cache = unsafe {
392 use foreign_types::ForeignType as _;
393 CVMetalTextureCache::new(gpu.metal_device().as_ptr()).unwrap()
394 };
395
396 Self {
397 gpu,
398 surface_config,
399 alpha_mode: surface_info.alpha,
400 command_encoder,
401 last_sync_point: None,
402 pipelines,
403 instance_belt,
404 path_tiles: HashMap::default(),
405 atlas,
406 atlas_sampler,
407 #[cfg(target_os = "macos")]
408 core_video_texture_cache,
409 }
410 }
411
412 fn wait_for_gpu(&mut self) {
413 if let Some(last_sp) = self.last_sync_point.take() {
414 if !self.gpu.wait_for(&last_sp, MAX_FRAME_TIME_MS) {
415 panic!("GPU hung");
416 }
417 }
418 }
419
420 pub fn update_drawable_size(&mut self, size: Size<DevicePixels>) {
421 let gpu_size = gpu::Extent {
422 width: size.width.0 as u32,
423 height: size.height.0 as u32,
424 depth: 1,
425 };
426
427 if gpu_size != self.surface_config.size {
428 self.wait_for_gpu();
429 self.surface_config.size = gpu_size;
430 self.gpu.resize(self.surface_config);
431 }
432 }
433
434 pub fn update_transparency(&mut self, transparent: bool) {
435 if transparent != self.surface_config.transparent {
436 self.wait_for_gpu();
437 self.surface_config.transparent = transparent;
438 let surface_info = self.gpu.resize(self.surface_config);
439 self.pipelines = BladePipelines::new(&self.gpu, surface_info);
440 self.alpha_mode = surface_info.alpha;
441 }
442 }
443
444 #[cfg_attr(target_os = "macos", allow(dead_code))]
445 pub fn viewport_size(&self) -> gpu::Extent {
446 self.surface_config.size
447 }
448
449 pub fn sprite_atlas(&self) -> &Arc<BladeAtlas> {
450 &self.atlas
451 }
452
453 #[cfg(target_os = "macos")]
454 pub fn layer(&self) -> metal::MetalLayer {
455 self.gpu.metal_layer().unwrap()
456 }
457
458 #[cfg(target_os = "macos")]
459 pub fn layer_ptr(&self) -> *mut metal::CAMetalLayer {
460 use metal::foreign_types::ForeignType as _;
461 self.gpu.metal_layer().unwrap().as_ptr()
462 }
463
464 #[profiling::function]
465 fn rasterize_paths(&mut self, paths: &[Path<ScaledPixels>]) {
466 self.path_tiles.clear();
467 let mut vertices_by_texture_id = HashMap::default();
468
469 for path in paths {
470 let clipped_bounds = path.bounds.intersect(&path.content_mask.bounds);
471 let tile = self.atlas.allocate_for_rendering(
472 clipped_bounds.size.map(Into::into),
473 AtlasTextureKind::Path,
474 &mut self.command_encoder,
475 );
476 vertices_by_texture_id
477 .entry(tile.texture_id)
478 .or_insert(Vec::new())
479 .extend(path.vertices.iter().map(|vertex| PathVertex {
480 xy_position: vertex.xy_position - clipped_bounds.origin
481 + tile.bounds.origin.map(Into::into),
482 st_position: vertex.st_position,
483 content_mask: ContentMask {
484 bounds: tile.bounds.map(Into::into),
485 },
486 }));
487 self.path_tiles.insert(path.id, tile);
488 }
489
490 for (texture_id, vertices) in vertices_by_texture_id {
491 let tex_info = self.atlas.get_texture_info(texture_id);
492 let globals = GlobalParams {
493 viewport_size: [tex_info.size.width as f32, tex_info.size.height as f32],
494 premultiplied_alpha: 0,
495 pad: 0,
496 };
497
498 let vertex_buf = unsafe { self.instance_belt.alloc_typed(&vertices, &self.gpu) };
499 let mut pass = self.command_encoder.render(gpu::RenderTargetSet {
500 colors: &[gpu::RenderTarget {
501 view: tex_info.raw_view,
502 init_op: gpu::InitOp::Clear(gpu::TextureColor::OpaqueBlack),
503 finish_op: gpu::FinishOp::Store,
504 }],
505 depth_stencil: None,
506 });
507
508 let mut encoder = pass.with(&self.pipelines.path_rasterization);
509 encoder.bind(
510 0,
511 &ShaderPathRasterizationData {
512 globals,
513 b_path_vertices: vertex_buf,
514 },
515 );
516 encoder.draw(0, vertices.len() as u32, 0, 1);
517 }
518 }
519
520 pub fn destroy(&mut self) {
521 self.wait_for_gpu();
522 self.atlas.destroy();
523 self.instance_belt.destroy(&self.gpu);
524 self.gpu.destroy_command_encoder(&mut self.command_encoder);
525 }
526
527 pub fn draw(&mut self, scene: &Scene) {
528 self.command_encoder.start();
529 self.atlas.before_frame(&mut self.command_encoder);
530 self.rasterize_paths(scene.paths());
531
532 let frame = {
533 profiling::scope!("acquire frame");
534 self.gpu.acquire_frame()
535 };
536 self.command_encoder.init_texture(frame.texture());
537
538 let globals = GlobalParams {
539 viewport_size: [
540 self.surface_config.size.width as f32,
541 self.surface_config.size.height as f32,
542 ],
543 premultiplied_alpha: match self.alpha_mode {
544 gpu::AlphaMode::Ignored | gpu::AlphaMode::PostMultiplied => 0,
545 gpu::AlphaMode::PreMultiplied => 1,
546 },
547 pad: 0,
548 };
549
550 if let mut pass = self.command_encoder.render(gpu::RenderTargetSet {
551 colors: &[gpu::RenderTarget {
552 view: frame.texture_view(),
553 init_op: gpu::InitOp::Clear(gpu::TextureColor::TransparentBlack),
554 finish_op: gpu::FinishOp::Store,
555 }],
556 depth_stencil: None,
557 }) {
558 profiling::scope!("render pass");
559 for batch in scene.batches() {
560 match batch {
561 PrimitiveBatch::Quads(quads) => {
562 let instance_buf =
563 unsafe { self.instance_belt.alloc_typed(quads, &self.gpu) };
564 let mut encoder = pass.with(&self.pipelines.quads);
565 encoder.bind(
566 0,
567 &ShaderQuadsData {
568 globals,
569 b_quads: instance_buf,
570 },
571 );
572 encoder.draw(0, 4, 0, quads.len() as u32);
573 }
574 PrimitiveBatch::Shadows(shadows) => {
575 let instance_buf =
576 unsafe { self.instance_belt.alloc_typed(shadows, &self.gpu) };
577 let mut encoder = pass.with(&self.pipelines.shadows);
578 encoder.bind(
579 0,
580 &ShaderShadowsData {
581 globals,
582 b_shadows: instance_buf,
583 },
584 );
585 encoder.draw(0, 4, 0, shadows.len() as u32);
586 }
587 PrimitiveBatch::Paths(paths) => {
588 let mut encoder = pass.with(&self.pipelines.paths);
589 // todo(linux): group by texture ID
590 for path in paths {
591 let tile = &self.path_tiles[&path.id];
592 let tex_info = self.atlas.get_texture_info(tile.texture_id);
593 let origin = path.bounds.intersect(&path.content_mask.bounds).origin;
594 let sprites = [PathSprite {
595 bounds: Bounds {
596 origin: origin.map(|p| p.floor()),
597 size: tile.bounds.size.map(Into::into),
598 },
599 color: path.color,
600 tile: (*tile).clone(),
601 }];
602
603 let instance_buf =
604 unsafe { self.instance_belt.alloc_typed(&sprites, &self.gpu) };
605 encoder.bind(
606 0,
607 &ShaderPathsData {
608 globals,
609 t_sprite: tex_info.raw_view,
610 s_sprite: self.atlas_sampler,
611 b_path_sprites: instance_buf,
612 },
613 );
614 encoder.draw(0, 4, 0, sprites.len() as u32);
615 }
616 }
617 PrimitiveBatch::Underlines(underlines) => {
618 let instance_buf =
619 unsafe { self.instance_belt.alloc_typed(underlines, &self.gpu) };
620 let mut encoder = pass.with(&self.pipelines.underlines);
621 encoder.bind(
622 0,
623 &ShaderUnderlinesData {
624 globals,
625 b_underlines: instance_buf,
626 },
627 );
628 encoder.draw(0, 4, 0, underlines.len() as u32);
629 }
630 PrimitiveBatch::MonochromeSprites {
631 texture_id,
632 sprites,
633 } => {
634 let tex_info = self.atlas.get_texture_info(texture_id);
635 let instance_buf =
636 unsafe { self.instance_belt.alloc_typed(sprites, &self.gpu) };
637 let mut encoder = pass.with(&self.pipelines.mono_sprites);
638 encoder.bind(
639 0,
640 &ShaderMonoSpritesData {
641 globals,
642 t_sprite: tex_info.raw_view,
643 s_sprite: self.atlas_sampler,
644 b_mono_sprites: instance_buf,
645 },
646 );
647 encoder.draw(0, 4, 0, sprites.len() as u32);
648 }
649 PrimitiveBatch::PolychromeSprites {
650 texture_id,
651 sprites,
652 } => {
653 let tex_info = self.atlas.get_texture_info(texture_id);
654 let instance_buf =
655 unsafe { self.instance_belt.alloc_typed(sprites, &self.gpu) };
656 let mut encoder = pass.with(&self.pipelines.poly_sprites);
657 encoder.bind(
658 0,
659 &ShaderPolySpritesData {
660 globals,
661 t_sprite: tex_info.raw_view,
662 s_sprite: self.atlas_sampler,
663 b_poly_sprites: instance_buf,
664 },
665 );
666 encoder.draw(0, 4, 0, sprites.len() as u32);
667 }
668 PrimitiveBatch::Surfaces(surfaces) => {
669 let mut _encoder = pass.with(&self.pipelines.surfaces);
670
671 for surface in surfaces {
672 #[cfg(not(target_os = "macos"))]
673 {
674 let _ = surface;
675 continue;
676 };
677
678 #[cfg(target_os = "macos")]
679 {
680 let (t_y, t_cb_cr) = {
681 use core_foundation::base::TCFType as _;
682 use std::ptr;
683
684 assert_eq!(
685 surface.image_buffer.pixel_format_type(),
686 media::core_video::kCVPixelFormatType_420YpCbCr8BiPlanarFullRange
687 );
688
689 let y_texture = unsafe {
690 self.core_video_texture_cache
691 .create_texture_from_image(
692 surface.image_buffer.as_concrete_TypeRef(),
693 ptr::null(),
694 metal::MTLPixelFormat::R8Unorm,
695 surface.image_buffer.plane_width(0),
696 surface.image_buffer.plane_height(0),
697 0,
698 )
699 .unwrap()
700 };
701 let cb_cr_texture = unsafe {
702 self.core_video_texture_cache
703 .create_texture_from_image(
704 surface.image_buffer.as_concrete_TypeRef(),
705 ptr::null(),
706 metal::MTLPixelFormat::RG8Unorm,
707 surface.image_buffer.plane_width(1),
708 surface.image_buffer.plane_height(1),
709 1,
710 )
711 .unwrap()
712 };
713 (
714 gpu::TextureView::from_metal_texture(
715 y_texture.as_texture_ref(),
716 ),
717 gpu::TextureView::from_metal_texture(
718 cb_cr_texture.as_texture_ref(),
719 ),
720 )
721 };
722
723 _encoder.bind(
724 0,
725 &ShaderSurfacesData {
726 globals,
727 surface_locals: SurfaceParams {
728 bounds: surface.bounds.into(),
729 content_mask: surface.content_mask.bounds.into(),
730 },
731 t_y,
732 t_cb_cr,
733 s_surface: self.atlas_sampler,
734 },
735 );
736
737 _encoder.draw(0, 4, 0, 1);
738 }
739 }
740 }
741 }
742 }
743 }
744
745 self.command_encoder.present(frame);
746 let sync_point = self.gpu.submit(&mut self.command_encoder);
747
748 profiling::scope!("finish");
749 self.instance_belt.flush(&sync_point);
750 self.atlas.after_frame(&sync_point);
751 self.atlas.clear_textures(AtlasTextureKind::Path);
752
753 self.wait_for_gpu();
754 self.last_sync_point = Some(sync_point);
755 }
756}