Desktop: Update CEF to 141 (#3352)

update cef to 141
This commit is contained in:
Timon 2025-11-08 11:59:02 +00:00 committed by GitHub
parent f02f834097
commit 9be207f4c5
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
13 changed files with 113 additions and 1018 deletions

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@ -34,11 +34,11 @@
}, },
"nixpkgs": { "nixpkgs": {
"locked": { "locked": {
"lastModified": 1760038930, "lastModified": 1762363567,
"narHash": "sha256-Oncbh0UmHjSlxO7ErQDM3KM0A5/Znfofj2BSzlHLeVw=", "narHash": "sha256-YRqMDEtSMbitIMj+JLpheSz0pwEr0Rmy5mC7myl17xs=",
"owner": "nixos", "owner": "nixos",
"repo": "nixpkgs", "repo": "nixpkgs",
"rev": "0b4defa2584313f3b781240b29d61f6f9f7e0df3", "rev": "ae814fd3904b621d8ab97418f1d0f2eb0d3716f4",
"type": "github" "type": "github"
}, },
"original": { "original": {
@ -63,11 +63,11 @@
] ]
}, },
"locked": { "locked": {
"lastModified": 1760236527, "lastModified": 1762569282,
"narHash": "sha256-h9+WEQtUIZaZMvA1pnbZbMM+5X39OFnW92Q8hNoToD0=", "narHash": "sha256-vINZAJpXQTZd5cfh06Rcw7hesH7sGSvi+Tn+HUieJn8=",
"owner": "oxalica", "owner": "oxalica",
"repo": "rust-overlay", "repo": "rust-overlay",
"rev": "a38dd7f462825c75ce8567816ae38c2e7d826bfa", "rev": "a35a6144b976f70827c2fe2f5c89d16d8f9179d8",
"type": "github" "type": "github"
}, },
"original": { "original": {

136
Cargo.lock generated
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@ -724,20 +724,29 @@ dependencies = [
[[package]] [[package]]
name = "cef" name = "cef"
version = "140.3.1+140.1.14" version = "141.4.0+141.0.9"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "951391894583c255fd60b11f9a80397c9f8e1273d5b3a05531fcfa1365259059" checksum = "e05b0ae455c0cf0693da242b3336586cd0057702c0516731d8ba72962559a625"
dependencies = [ dependencies = [
"ash",
"cef-dll-sys", "cef-dll-sys",
"libc",
"libloading", "libloading",
"metal 0.32.0",
"objc",
"objc2-io-surface",
"thiserror 2.0.16",
"tracing",
"wgpu",
"windows",
"windows-sys 0.61.2", "windows-sys 0.61.2",
] ]
[[package]] [[package]]
name = "cef-dll-sys" name = "cef-dll-sys"
version = "140.3.1+140.1.14" version = "141.6.0+141.0.11"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "208b1aa960cedcde7ac7590cb882a107caca0804242ac4060c488db233eef222" checksum = "4c95e419bbb8b2190df8b6eb3934ecc4137533803fcc5ae2b076e591ee789071"
dependencies = [ dependencies = [
"anyhow", "anyhow",
"cmake", "cmake",
@ -1619,6 +1628,12 @@ version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2" checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
[[package]]
name = "foldhash"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
[[package]] [[package]]
name = "font-types" name = "font-types"
version = "0.9.0" version = "0.9.0"
@ -1692,7 +1707,7 @@ checksum = "39f97079e1293b8c1e9fb03a2875d328bd2ee8f3b95ce62959c0acc04049c708"
dependencies = [ dependencies = [
"bytemuck", "bytemuck",
"fontconfig-cache-parser", "fontconfig-cache-parser",
"hashbrown", "hashbrown 0.15.5",
"icu_locid", "icu_locid",
"memmap2", "memmap2",
"objc2", "objc2",
@ -2031,7 +2046,7 @@ checksum = "b89c83349105e3732062a895becfc71a8f921bb71ecbbdd8ff99263e3b53a0ca"
dependencies = [ dependencies = [
"bitflags 2.9.3", "bitflags 2.9.3",
"gpu-descriptor-types", "gpu-descriptor-types",
"hashbrown", "hashbrown 0.15.5",
] ]
[[package]] [[package]]
@ -2492,7 +2507,16 @@ checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
dependencies = [ dependencies = [
"allocator-api2", "allocator-api2",
"equivalent", "equivalent",
"foldhash", "foldhash 0.1.5",
]
[[package]]
name = "hashbrown"
version = "0.16.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
dependencies = [
"foldhash 0.2.0",
] ]
[[package]] [[package]]
@ -2900,7 +2924,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f2481980430f9f78649238835720ddccc57e52df14ffce1c6f37391d61b563e9" checksum = "f2481980430f9f78649238835720ddccc57e52df14ffce1c6f37391d61b563e9"
dependencies = [ dependencies = [
"equivalent", "equivalent",
"hashbrown", "hashbrown 0.15.5",
] ]
[[package]] [[package]]
@ -3493,7 +3517,32 @@ dependencies = [
"cfg_aliases", "cfg_aliases",
"codespan-reporting", "codespan-reporting",
"half", "half",
"hashbrown", "hashbrown 0.15.5",
"hexf-parse",
"indexmap",
"libm",
"log",
"num-traits",
"once_cell",
"rustc-hash 1.1.0",
"thiserror 2.0.16",
"unicode-ident",
]
[[package]]
name = "naga"
version = "27.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "066cf25f0e8b11ee0df221219010f213ad429855f57c494f995590c861a9a7d8"
dependencies = [
"arrayvec",
"bit-set",
"bitflags 2.9.3",
"cfg-if",
"cfg_aliases",
"codespan-reporting",
"half",
"hashbrown 0.16.0",
"hexf-parse", "hexf-parse",
"indexmap", "indexmap",
"libm", "libm",
@ -3834,6 +3883,19 @@ dependencies = [
"objc2-core-foundation", "objc2-core-foundation",
] ]
[[package]]
name = "objc2-io-surface"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "180788110936d59bab6bd83b6060ffdfffb3b922ba1396b312ae795e1de9d81d"
dependencies = [
"bitflags 2.9.3",
"libc",
"objc2",
"objc2-core-foundation",
"objc2-foundation",
]
[[package]] [[package]]
name = "objc2-ui-kit" name = "objc2-ui-kit"
version = "0.3.2" version = "0.3.2"
@ -4016,7 +4078,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "13e57638545cf2ba4c3e72cc5715e53b1880b829cc3dbefda3d1700c58efe723" checksum = "13e57638545cf2ba4c3e72cc5715e53b1880b829cc3dbefda3d1700c58efe723"
dependencies = [ dependencies = [
"fontique", "fontique",
"hashbrown", "hashbrown 0.15.5",
"peniko 0.4.0", "peniko 0.4.0",
"skrifa 0.31.3", "skrifa 0.31.3",
"swash", "swash",
@ -4142,7 +4204,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "54acf3a685220b533e437e264e4d932cfbdc4cc7ec0cd232ed73c08d03b8a7ca" checksum = "54acf3a685220b533e437e264e4d932cfbdc4cc7ec0cd232ed73c08d03b8a7ca"
dependencies = [ dependencies = [
"fixedbitset", "fixedbitset",
"hashbrown", "hashbrown 0.15.5",
"indexmap", "indexmap",
] ]
@ -6383,8 +6445,7 @@ checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
[[package]] [[package]]
name = "vello" name = "vello"
version = "0.6.0" version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "git+https://github.com/linebender/vello#8f2f2564127812362d2c57ded20cad369e3a00fe"
checksum = "71acbd6b5f7f19841425845c113a89a54bbf60556ae39e7d0182a6f80ce37f5b"
dependencies = [ dependencies = [
"bytemuck", "bytemuck",
"futures-intrusive", "futures-intrusive",
@ -6402,8 +6463,7 @@ dependencies = [
[[package]] [[package]]
name = "vello_encoding" name = "vello_encoding"
version = "0.6.0" version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "git+https://github.com/linebender/vello#8f2f2564127812362d2c57ded20cad369e3a00fe"
checksum = "cfd5e0b9fec91df34a09fbcbbed474cec68d05691b590a911c7af83c4860ae42"
dependencies = [ dependencies = [
"bytemuck", "bytemuck",
"guillotiere", "guillotiere",
@ -6415,12 +6475,11 @@ dependencies = [
[[package]] [[package]]
name = "vello_shaders" name = "vello_shaders"
version = "0.6.0" version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "git+https://github.com/linebender/vello#8f2f2564127812362d2c57ded20cad369e3a00fe"
checksum = "8c381dde4e7d0d7957df0c0e3f8a7cc0976762d3972d97da5c71464e57ffefd3"
dependencies = [ dependencies = [
"bytemuck", "bytemuck",
"log", "log",
"naga", "naga 26.0.0",
"thiserror 2.0.16", "thiserror 2.0.16",
"vello_encoding", "vello_encoding",
] ]
@ -6714,19 +6773,19 @@ checksum = "a751b3277700db47d3e574514de2eced5e54dc8a5436a3bf7a0b248b2cee16f3"
[[package]] [[package]]
name = "wgpu" name = "wgpu"
version = "26.0.1" version = "27.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70b6ff82bbf6e9206828e1a3178e851f8c20f1c9028e74dd3a8090741ccd5798" checksum = "bfe68bac7cde125de7a731c3400723cadaaf1703795ad3f4805f187459cd7a77"
dependencies = [ dependencies = [
"arrayvec", "arrayvec",
"bitflags 2.9.3", "bitflags 2.9.3",
"cfg-if", "cfg-if",
"cfg_aliases", "cfg_aliases",
"document-features", "document-features",
"hashbrown", "hashbrown 0.16.0",
"js-sys", "js-sys",
"log", "log",
"naga", "naga 27.0.3",
"parking_lot", "parking_lot",
"portable-atomic", "portable-atomic",
"profiling", "profiling",
@ -6743,9 +6802,9 @@ dependencies = [
[[package]] [[package]]
name = "wgpu-core" name = "wgpu-core"
version = "26.0.1" version = "27.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d5f62f1053bd28c2268f42916f31588f81f64796e2ff91b81293515017ca8bd9" checksum = "27a75de515543b1897b26119f93731b385a19aea165a1ec5f0e3acecc229cae7"
dependencies = [ dependencies = [
"arrayvec", "arrayvec",
"bit-set", "bit-set",
@ -6754,10 +6813,10 @@ dependencies = [
"bytemuck", "bytemuck",
"cfg_aliases", "cfg_aliases",
"document-features", "document-features",
"hashbrown", "hashbrown 0.16.0",
"indexmap", "indexmap",
"log", "log",
"naga", "naga 27.0.3",
"once_cell", "once_cell",
"parking_lot", "parking_lot",
"portable-atomic", "portable-atomic",
@ -6775,27 +6834,27 @@ dependencies = [
[[package]] [[package]]
name = "wgpu-core-deps-apple" name = "wgpu-core-deps-apple"
version = "26.0.0" version = "27.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "18ae5fbde6a4cbebae38358aa73fcd6e0f15c6144b67ef5dc91ded0db125dbdf" checksum = "0772ae958e9be0c729561d5e3fd9a19679bcdfb945b8b1a1969d9bfe8056d233"
dependencies = [ dependencies = [
"wgpu-hal", "wgpu-hal",
] ]
[[package]] [[package]]
name = "wgpu-core-deps-emscripten" name = "wgpu-core-deps-emscripten"
version = "26.0.0" version = "27.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d7670e390f416006f746b4600fdd9136455e3627f5bd763abf9a65daa216dd2d" checksum = "b06ac3444a95b0813ecfd81ddb2774b66220b264b3e2031152a4a29fda4da6b5"
dependencies = [ dependencies = [
"wgpu-hal", "wgpu-hal",
] ]
[[package]] [[package]]
name = "wgpu-core-deps-windows-linux-android" name = "wgpu-core-deps-windows-linux-android"
version = "26.0.0" version = "27.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "720a5cb9d12b3d337c15ff0e24d3e97ed11490ff3f7506e7f3d98c68fa5d6f14" checksum = "71197027d61a71748e4120f05a9242b2ad142e3c01f8c1b47707945a879a03c3"
dependencies = [ dependencies = [
"wgpu-hal", "wgpu-hal",
] ]
@ -6821,9 +6880,9 @@ dependencies = [
[[package]] [[package]]
name = "wgpu-hal" name = "wgpu-hal"
version = "26.0.6" version = "27.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a8d0e67224cc7305b3b4eb2cc57ca4c4c3afc665c1d1bee162ea806e19c47bdd" checksum = "5b21cb61c57ee198bc4aff71aeadff4cbb80b927beb912506af9c780d64313ce"
dependencies = [ dependencies = [
"android_system_properties", "android_system_properties",
"arrayvec", "arrayvec",
@ -6840,16 +6899,17 @@ dependencies = [
"gpu-alloc", "gpu-alloc",
"gpu-allocator", "gpu-allocator",
"gpu-descriptor", "gpu-descriptor",
"hashbrown", "hashbrown 0.16.0",
"js-sys", "js-sys",
"khronos-egl", "khronos-egl",
"libc", "libc",
"libloading", "libloading",
"log", "log",
"metal 0.32.0", "metal 0.32.0",
"naga", "naga 27.0.3",
"ndk-sys", "ndk-sys",
"objc", "objc",
"once_cell",
"ordered-float 4.6.0", "ordered-float 4.6.0",
"parking_lot", "parking_lot",
"portable-atomic", "portable-atomic",
@ -6869,9 +6929,9 @@ dependencies = [
[[package]] [[package]]
name = "wgpu-types" name = "wgpu-types"
version = "26.0.0" version = "27.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eca7a8d8af57c18f57d393601a1fb159ace8b2328f1b6b5f80893f7d672c9ae2" checksum = "afdcf84c395990db737f2dd91628706cb31e86d72e53482320d368e52b5da5eb"
dependencies = [ dependencies = [
"bitflags 2.9.3", "bitflags 2.9.3",
"bytemuck", "bytemuck",

View File

@ -106,7 +106,7 @@ quote = "1.0"
chrono = "0.4" chrono = "0.4"
ron = "0.11" ron = "0.11"
fastnoise-lite = "1.1" fastnoise-lite = "1.1"
wgpu = { version = "26.0", features = [ wgpu = { version = "27.0", features = [
# We don't have wgpu on multiple threads (yet) https://github.com/gfx-rs/wgpu/blob/trunk/CHANGELOG.md#wgpu-types-now-send-sync-on-wasm # We don't have wgpu on multiple threads (yet) https://github.com/gfx-rs/wgpu/blob/trunk/CHANGELOG.md#wgpu-types-now-send-sync-on-wasm
"fragile-send-sync-non-atomic-wasm", "fragile-send-sync-non-atomic-wasm",
"spirv", "spirv",
@ -138,8 +138,8 @@ winit = { git = "https://github.com/rust-windowing/winit.git" }
keyboard-types = "0.8" keyboard-types = "0.8"
url = "2.5" url = "2.5"
tokio = { version = "1.29", features = ["fs", "macros", "io-std", "rt"] } tokio = { version = "1.29", features = ["fs", "macros", "io-std", "rt"] }
vello = { version = "0.6" } vello = { git = "https://github.com/linebender/vello" }
vello_encoding = { version = "0.6" } vello_encoding = { git = "https://github.com/linebender/vello" }
resvg = "0.45" resvg = "0.45"
usvg = "0.45" usvg = "0.45"
rand = { version = "0.9", default-features = false, features = ["std_rng"] } rand = { version = "0.9", default-features = false, features = ["std_rng"] }
@ -188,8 +188,8 @@ iai-callgrind = { version = "0.16" }
ndarray = "0.16" ndarray = "0.16"
strum = { version = "0.27", features = ["derive"] } strum = { version = "0.27", features = ["derive"] }
dirs = "6.0" dirs = "6.0"
cef = "140" cef = { version = "141", features = ["accelerated_osr"] }
cef-dll-sys = "140" cef-dll-sys = "141"
include_dir = "0.7" include_dir = "0.7"
tracing-subscriber = { version = "0.3", features = ["env-filter"] } tracing-subscriber = { version = "0.3", features = ["env-filter"] }
tracing = "0.1" tracing = "0.1"

View File

@ -32,9 +32,7 @@ mod platform;
mod utility; mod utility;
#[cfg(feature = "accelerated_paint")] #[cfg(feature = "accelerated_paint")]
mod texture_import; use cef::osr_texture_import::SharedTextureHandle;
#[cfg(feature = "accelerated_paint")]
use texture_import::SharedTextureHandle;
pub(crate) use context::{CefContext, CefContextBuilder, InitError}; pub(crate) use context::{CefContext, CefContextBuilder, InitError};

View File

@ -50,7 +50,7 @@ impl<H: CefEventHandler> ImplRenderHandler for RenderHandlerImpl<H> {
#[cfg(feature = "accelerated_paint")] #[cfg(feature = "accelerated_paint")]
fn on_accelerated_paint(&self, _browser: Option<&mut Browser>, type_: PaintElementType, _dirty_rect_count: usize, _dirty_rects: Option<&Rect>, info: Option<&cef::AcceleratedPaintInfo>) { fn on_accelerated_paint(&self, _browser: Option<&mut Browser>, type_: PaintElementType, _dirty_rect_count: usize, _dirty_rects: Option<&Rect>, info: Option<&cef::AcceleratedPaintInfo>) {
use crate::cef::texture_import::shared_texture_handle::SharedTextureHandle; use cef::osr_texture_import::SharedTextureHandle;
if type_ != PaintElementType::default() { if type_ != PaintElementType::default() {
return; return;

View File

@ -1,99 +0,0 @@
//! Common utilities and traits for texture import across platforms
use crate::cef::texture_import::*;
use cef::sys::cef_color_type_t;
use wgpu::Device;
/// Common format conversion utilities
pub mod format {
use super::*;
/// Convert CEF color type to wgpu texture format
pub fn cef_to_wgpu(format: cef_color_type_t) -> Result<wgpu::TextureFormat, TextureImportError> {
match format {
cef_color_type_t::CEF_COLOR_TYPE_BGRA_8888 => Ok(wgpu::TextureFormat::Bgra8UnormSrgb),
cef_color_type_t::CEF_COLOR_TYPE_RGBA_8888 => Ok(wgpu::TextureFormat::Rgba8UnormSrgb),
_ => Err(TextureImportError::UnsupportedFormat { format }),
}
}
#[cfg(not(target_os = "macos"))]
/// Convert CEF color type to Vulkan format
pub fn cef_to_vulkan(format: cef_color_type_t) -> Result<ash::vk::Format, TextureImportError> {
match format {
cef_color_type_t::CEF_COLOR_TYPE_BGRA_8888 => Ok(ash::vk::Format::B8G8R8A8_UNORM),
cef_color_type_t::CEF_COLOR_TYPE_RGBA_8888 => Ok(ash::vk::Format::R8G8B8A8_UNORM),
_ => Err(TextureImportError::UnsupportedFormat { format }),
}
}
}
/// Common texture creation utilities
pub mod texture {
use super::*;
/// Create a fallback CPU texture with the given dimensions and format
pub fn create_fallback(device: &Device, width: u32, height: u32, format: cef_color_type_t, label: &str) -> TextureImportResult {
let wgpu_format = format::cef_to_wgpu(format)?;
let texture = device.create_texture(&wgpu::TextureDescriptor {
label: Some(label),
size: wgpu::Extent3d {
width,
height,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: wgpu_format,
usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
view_formats: &[],
});
tracing::warn!(
"Using fallback CPU texture for CEF rendering ({}x{}, {:?}) - hardware acceleration failed or unavailable. Consider checking GPU driver support.",
width,
height,
format
);
Ok(texture)
}
}
/// Common Vulkan utilities
#[cfg(not(target_os = "macos"))]
pub mod vulkan {
use super::*;
use ash::vk;
/// Find a suitable memory type index for Vulkan allocation
pub fn find_memory_type_index(type_filter: u32, properties: vk::MemoryPropertyFlags, mem_properties: &vk::PhysicalDeviceMemoryProperties) -> Option<u32> {
(0..mem_properties.memory_type_count).find(|&i| (type_filter & (1 << i)) != 0 && mem_properties.memory_types[i as usize].property_flags.contains(properties))
}
/// Check if the wgpu device is using Vulkan backend
pub fn is_vulkan_backend(device: &Device) -> bool {
use wgpu::hal::api;
let mut is_vulkan = false;
unsafe {
device.as_hal::<api::Vulkan, _, _>(|device| {
is_vulkan = device.is_some();
});
}
is_vulkan
}
/// Check if the wgpu device is using D3D12 backend
#[cfg(target_os = "windows")]
pub fn is_d3d12_backend(device: &Device) -> bool {
use wgpu::hal::api;
let mut is_d3d12 = false;
unsafe {
device.as_hal::<api::Dx12, _, _>(|device| {
is_d3d12 = device.is_some();
});
}
is_d3d12
}
}

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@ -1,289 +0,0 @@
//! Windows D3D11 shared texture import implementation
use super::common::{format, texture, vulkan};
use super::{TextureImportError, TextureImportResult, TextureImporter};
use ash::vk;
use cef::{AcceleratedPaintInfo, sys::cef_color_type_t};
use std::os::raw::c_void;
use wgpu::hal::api;
pub struct D3D11Importer {
pub handle: *mut c_void,
pub format: cef_color_type_t,
pub width: u32,
pub height: u32,
}
impl TextureImporter for D3D11Importer {
fn new(info: &AcceleratedPaintInfo) -> Self {
Self {
handle: info.shared_texture_handle,
format: *info.format.as_ref(),
width: info.extra.coded_size.width as u32,
height: info.extra.coded_size.height as u32,
}
}
fn import_to_wgpu(&self, device: &wgpu::Device) -> TextureImportResult {
// Try hardware acceleration first
if self.supports_hardware_acceleration(device) {
// Try D3D12 first (most efficient on Windows)
if vulkan::is_d3d12_backend(device) {
match self.import_via_d3d12(device) {
Ok(texture) => {
tracing::info!("Successfully imported D3D11 shared texture via D3D12");
return Ok(texture);
}
Err(e) => {
tracing::warn!("Failed to import D3D11 via D3D12: {}, trying Vulkan fallback", e);
}
}
}
// Try Vulkan as fallback
if vulkan::is_vulkan_backend(device) {
match self.import_via_vulkan(device) {
Ok(texture) => {
tracing::info!("Successfully imported D3D11 shared texture via Vulkan");
return Ok(texture);
}
Err(e) => {
tracing::warn!("Failed to import D3D11 via Vulkan: {}, falling back to CPU texture", e);
}
}
}
}
// Fallback to CPU texture
texture::create_fallback(device, self.width, self.height, self.format, "CEF D3D11 Texture (fallback)")
}
fn supports_hardware_acceleration(&self, device: &wgpu::Device) -> bool {
// Check if handle is valid
if self.handle.is_null() {
return false;
}
// Check if wgpu is using D3D12 or Vulkan backend
vulkan::is_d3d12_backend(device) || vulkan::is_vulkan_backend(device)
}
}
impl D3D11Importer {
fn import_via_d3d12(&self, device: &wgpu::Device) -> TextureImportResult {
// Get wgpu's D3D12 device
use wgpu::hal::api;
let hal_texture = unsafe {
device.as_hal::<api::Dx12, _, _>(|device| {
let Some(device) = device else {
return Err(TextureImportError::HardwareUnavailable {
reason: "Device is not using D3D12 backend".to_string(),
});
};
// Import D3D11 shared handle directly into D3D12 resource
let d3d12_resource = self.import_d3d11_handle_to_d3d12(device)?;
// Wrap D3D12 resource in wgpu-hal texture
let hal_texture = <api::Dx12 as wgpu::hal::Api>::Device::texture_from_raw(
d3d12_resource,
format::cef_to_wgpu(self.format)?,
wgpu::TextureDimension::D2,
wgpu::Extent3d {
width: self.width,
height: self.height,
depth_or_array_layers: 1,
},
1, // mip_level_count
1, // sample_count
);
Ok(hal_texture)
})
}?;
// Import hal texture into wgpu
let texture = unsafe {
device.create_texture_from_hal::<api::Dx12>(
hal_texture,
&wgpu::TextureDescriptor {
label: Some("CEF D3D11→D3D12 Shared Texture"),
size: wgpu::Extent3d {
width: self.width,
height: self.height,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: format::cef_to_wgpu(self.format)?,
usage: wgpu::TextureUsages::TEXTURE_BINDING,
view_formats: &[],
},
)
};
Ok(texture)
}
fn import_via_vulkan(&self, device: &wgpu::Device) -> TextureImportResult {
// Get wgpu's Vulkan instance and device
use wgpu::{TextureUses, wgc::api::Vulkan};
let hal_texture = unsafe {
device.as_hal::<api::Vulkan, _, _>(|device| {
let Some(device) = device else {
return Err(TextureImportError::HardwareUnavailable {
reason: "Device is not using Vulkan backend".to_string(),
});
};
// Import D3D11 shared handle into Vulkan
let vk_image = self.import_d3d11_handle_to_vulkan(device)?;
// Wrap VkImage in wgpu-hal texture
let hal_texture = <api::Vulkan as wgpu::hal::Api>::Device::texture_from_raw(
vk_image,
&wgpu::hal::TextureDescriptor {
label: Some("CEF D3D11 Shared Texture"),
size: wgpu::Extent3d {
width: self.width,
height: self.height,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: format::cef_to_wgpu(self.format)?,
usage: TextureUses::COPY_DST | TextureUses::RESOURCE,
memory_flags: wgpu::hal::MemoryFlags::empty(),
view_formats: vec![],
},
None, // drop_callback
);
Ok(hal_texture)
})
}?;
// Import hal texture into wgpu
let texture = unsafe {
device.create_texture_from_hal::<Vulkan>(
hal_texture,
&wgpu::TextureDescriptor {
label: Some("CEF D3D11 Shared Texture"),
size: wgpu::Extent3d {
width: self.width,
height: self.height,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: format::cef_to_wgpu(self.format)?,
usage: wgpu::TextureUsages::TEXTURE_BINDING,
view_formats: &[],
},
)
};
Ok(texture)
}
fn import_d3d11_handle_to_vulkan(&self, hal_device: &<api::Vulkan as wgpu::hal::Api>::Device) -> Result<vk::Image, TextureImportError> {
// Get raw Vulkan handles
let device = hal_device.raw_device();
let _instance = hal_device.shared_instance().raw_instance();
// Validate dimensions
if self.width == 0 || self.height == 0 {
return Err(TextureImportError::InvalidHandle("Invalid D3D11 texture dimensions".to_string()));
}
// Create external memory image info
let mut external_memory_info = vk::ExternalMemoryImageCreateInfo::default().handle_types(vk::ExternalMemoryHandleTypeFlags::D3D11_TEXTURE);
// Create image create info
let image_create_info = vk::ImageCreateInfo::default()
.image_type(vk::ImageType::TYPE_2D)
.format(format::cef_to_vulkan(self.format)?)
.extent(vk::Extent3D {
width: self.width,
height: self.height,
depth: 1,
})
.mip_levels(1)
.array_layers(1)
.samples(vk::SampleCountFlags::TYPE_1)
.tiling(vk::ImageTiling::OPTIMAL)
.usage(vk::ImageUsageFlags::SAMPLED | vk::ImageUsageFlags::COLOR_ATTACHMENT)
.sharing_mode(vk::SharingMode::EXCLUSIVE)
.push_next(&mut external_memory_info);
// Create the image
let image = unsafe {
device.create_image(&image_create_info, None).map_err(|e| TextureImportError::VulkanError {
operation: format!("Failed to create Vulkan image: {:?}", e),
})?
};
// Get memory requirements
let memory_requirements = unsafe { device.get_image_memory_requirements(image) };
// Import D3D11 handle
let mut import_memory_win32 = vk::ImportMemoryWin32HandleInfoKHR::default()
.handle_type(vk::ExternalMemoryHandleTypeFlags::D3D11_TEXTURE)
.handle(self.handle as isize);
// Find a suitable memory type
let memory_properties = unsafe { hal_device.shared_instance().raw_instance().get_physical_device_memory_properties(hal_device.raw_physical_device()) };
let memory_type_index =
vulkan::find_memory_type_index(memory_requirements.memory_type_bits, vk::MemoryPropertyFlags::empty(), &memory_properties).ok_or_else(|| TextureImportError::VulkanError {
operation: "Failed to find suitable memory type for D3D11 texture".to_string(),
})?;
let allocate_info = vk::MemoryAllocateInfo::default()
.allocation_size(memory_requirements.size)
.memory_type_index(memory_type_index)
.push_next(&mut import_memory_win32);
let device_memory = unsafe {
device.allocate_memory(&allocate_info, None).map_err(|e| TextureImportError::VulkanError {
operation: format!("Failed to allocate memory for D3D11 texture: {:?}", e),
})?
};
// Bind memory to image
unsafe {
device.bind_image_memory(image, device_memory, 0).map_err(|e| TextureImportError::VulkanError {
operation: format!("Failed to bind memory to image: {:?}", e),
})?;
}
Ok(image)
}
fn import_d3d11_handle_to_d3d12(&self, hal_device: &<wgpu::hal::api::Dx12 as wgpu::hal::Api>::Device) -> Result<windows::Win32::Graphics::Direct3D12::ID3D12Resource, TextureImportError> {
use windows::Win32::Graphics::Direct3D12::*;
// Get D3D12 device from wgpu-hal
let d3d12_device = hal_device.raw_device();
// Validate dimensions
if self.width == 0 || self.height == 0 {
return Err(TextureImportError::InvalidHandle("Invalid D3D11 texture dimensions".to_string()));
}
// Open D3D11 shared handle on D3D12 device
unsafe {
let mut shared_resource: Option<ID3D12Resource> = None;
d3d12_device
.OpenSharedHandle(windows::Win32::Foundation::HANDLE(self.handle), &mut shared_resource)
.map_err(|e| TextureImportError::PlatformError {
message: format!("Failed to open D3D11 shared handle on D3D12: {:?}", e),
})?;
shared_resource.ok_or_else(|| TextureImportError::InvalidHandle("Failed to get D3D12 resource from shared handle".to_string()))
}
}
}

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@ -1,273 +0,0 @@
//! Linux DMA-BUF texture import implementation
use super::common::{format, texture, vulkan};
use super::{TextureImportError, TextureImportResult, TextureImporter};
use ash::vk;
use cef::{AcceleratedPaintInfo, sys::cef_color_type_t};
use wgpu::hal::api;
pub(crate) struct DmaBufImporter {
fds: Vec<std::os::fd::RawFd>,
format: cef_color_type_t,
modifier: u64,
width: u32,
height: u32,
strides: Vec<u32>,
offsets: Vec<u32>,
}
impl TextureImporter for DmaBufImporter {
fn new(info: &AcceleratedPaintInfo) -> Self {
Self {
fds: extract_fds_from_info(info),
format: *info.format.as_ref(),
modifier: info.modifier,
width: info.extra.coded_size.width as u32,
height: info.extra.coded_size.height as u32,
strides: extract_strides_from_info(info),
offsets: extract_offsets_from_info(info),
}
}
fn import_to_wgpu(&self, device: &wgpu::Device) -> TextureImportResult {
// Try hardware acceleration first
if self.supports_hardware_acceleration(device) {
match self.import_via_vulkan(device) {
Ok(texture) => {
tracing::info!("Successfully imported DMA-BUF texture via Vulkan");
return Ok(texture);
}
Err(e) => {
tracing::warn!("Failed to import DMA-BUF via Vulkan: {}, falling back to CPU texture", e);
}
}
}
// Fallback to CPU texture
texture::create_fallback(device, self.width, self.height, self.format, "CEF DMA-BUF Texture (fallback)")
}
fn supports_hardware_acceleration(&self, device: &wgpu::Device) -> bool {
// Check if we have valid file descriptors
if self.fds.is_empty() {
return false;
}
for &fd in &self.fds {
if fd < 0 {
return false;
}
// Check if file descriptor is valid
let flags = unsafe { libc::fcntl(fd, libc::F_GETFD) };
if flags == -1 {
return false;
}
}
// Check if wgpu is using Vulkan backend
vulkan::is_vulkan_backend(device)
}
}
impl DmaBufImporter {
fn import_via_vulkan(&self, device: &wgpu::Device) -> TextureImportResult {
// Get wgpu's Vulkan instance and device
use wgpu::{TextureUses, wgc::api::Vulkan};
let hal_texture = unsafe {
device.as_hal::<api::Vulkan, _, _>(|device| {
let Some(device) = device else {
return Err(TextureImportError::HardwareUnavailable {
reason: "Device is not using Vulkan backend".to_string(),
});
};
// Create VkImage from DMA-BUF using external memory
let vk_image = self.create_vulkan_image_from_dmabuf(device)?;
// Wrap VkImage in wgpu-hal texture
let hal_texture = <api::Vulkan as wgpu::hal::Api>::Device::texture_from_raw(
vk_image,
&wgpu::hal::TextureDescriptor {
label: Some("CEF DMA-BUF Texture"),
size: wgpu::Extent3d {
width: self.width,
height: self.height,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: format::cef_to_wgpu(self.format)?,
usage: TextureUses::COPY_DST | TextureUses::RESOURCE,
memory_flags: wgpu::hal::MemoryFlags::empty(),
view_formats: vec![],
},
None, // drop_callback
);
Ok(hal_texture)
})
}?;
// Import hal texture into wgpu
let texture = unsafe {
device.create_texture_from_hal::<Vulkan>(
hal_texture,
&wgpu::TextureDescriptor {
label: Some("CEF DMA-BUF Texture"),
size: wgpu::Extent3d {
width: self.width,
height: self.height,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: format::cef_to_wgpu(self.format)?,
usage: wgpu::TextureUsages::TEXTURE_BINDING,
view_formats: &[],
},
)
};
Ok(texture)
}
fn create_vulkan_image_from_dmabuf(&self, hal_device: &<api::Vulkan as wgpu::hal::Api>::Device) -> Result<vk::Image, TextureImportError> {
// Get raw Vulkan handles
let device = hal_device.raw_device();
let _instance = hal_device.shared_instance().raw_instance();
// Validate dimensions
if self.width == 0 || self.height == 0 {
return Err(TextureImportError::InvalidHandle("Invalid DMA-BUF dimensions".to_string()));
}
// Create external memory image
let image_create_info = vk::ImageCreateInfo::default()
.image_type(vk::ImageType::TYPE_2D)
.format(format::cef_to_vulkan(self.format)?)
.extent(vk::Extent3D {
width: self.width,
height: self.height,
depth: 1,
})
.mip_levels(1)
.array_layers(1)
.samples(vk::SampleCountFlags::TYPE_1)
.tiling(vk::ImageTiling::DRM_FORMAT_MODIFIER_EXT)
.usage(vk::ImageUsageFlags::SAMPLED | vk::ImageUsageFlags::COLOR_ATTACHMENT)
.sharing_mode(vk::SharingMode::EXCLUSIVE);
// Set up DRM format modifier
let plane_layouts = self.create_subresource_layouts()?;
let mut drm_format_modifier = vk::ImageDrmFormatModifierExplicitCreateInfoEXT::default()
.drm_format_modifier(self.modifier)
.plane_layouts(&plane_layouts);
let image_create_info = image_create_info.push_next(&mut drm_format_modifier);
// Create the image
let image = unsafe {
device.create_image(&image_create_info, None).map_err(|e| TextureImportError::VulkanError {
operation: format!("Failed to create Vulkan image: {e:?}"),
})?
};
// Import memory from DMA-BUF
let memory_requirements = unsafe { device.get_image_memory_requirements(image) };
// Duplicate the file descriptor to avoid ownership issues
let dup_fd = unsafe { libc::dup(self.fds[0]) };
if dup_fd == -1 {
return Err(TextureImportError::PlatformError {
message: "Failed to duplicate DMA-BUF file descriptor".to_string(),
});
}
let mut import_memory_fd = vk::ImportMemoryFdInfoKHR::default().handle_type(vk::ExternalMemoryHandleTypeFlags::DMA_BUF_EXT).fd(dup_fd);
// Find a suitable memory type
let memory_properties = unsafe { hal_device.shared_instance().raw_instance().get_physical_device_memory_properties(hal_device.raw_physical_device()) };
let memory_type_index =
vulkan::find_memory_type_index(memory_requirements.memory_type_bits, vk::MemoryPropertyFlags::empty(), &memory_properties).ok_or_else(|| TextureImportError::VulkanError {
operation: "Failed to find suitable memory type for DMA-BUF".to_string(),
})?;
let allocate_info = vk::MemoryAllocateInfo::default()
.allocation_size(memory_requirements.size)
.memory_type_index(memory_type_index)
.push_next(&mut import_memory_fd);
let device_memory = unsafe {
device.allocate_memory(&allocate_info, None).map_err(|e| TextureImportError::VulkanError {
operation: format!("Failed to allocate memory for DMA-BUF: {e:?}"),
})?
};
// Bind memory to image
unsafe {
device.bind_image_memory(image, device_memory, 0).map_err(|e| TextureImportError::VulkanError {
operation: format!("Failed to bind memory to image: {e:?}"),
})?;
}
Ok(image)
}
fn create_subresource_layouts(&self) -> Result<Vec<vk::SubresourceLayout>, TextureImportError> {
let mut layouts = Vec::new();
for i in 0..self.fds.len() {
layouts.push(vk::SubresourceLayout {
offset: self.offsets.get(i).copied().unwrap_or(0) as u64,
size: 0, // Will be calculated by driver
row_pitch: self.strides.get(i).copied().unwrap_or(0) as u64,
array_pitch: 0,
depth_pitch: 0,
});
}
Ok(layouts)
}
}
fn extract_fds_from_info(info: &cef::AcceleratedPaintInfo) -> Vec<std::os::fd::RawFd> {
let plane_count = info.plane_count as usize;
let mut fds = Vec::with_capacity(plane_count);
for i in 0..plane_count {
if let Some(plane) = info.planes.get(i) {
fds.push(plane.fd);
}
}
fds
}
fn extract_strides_from_info(info: &cef::AcceleratedPaintInfo) -> Vec<u32> {
let plane_count = info.plane_count as usize;
let mut strides = Vec::with_capacity(plane_count);
for i in 0..plane_count {
if let Some(plane) = info.planes.get(i) {
strides.push(plane.stride);
}
}
strides
}
fn extract_offsets_from_info(info: &cef::AcceleratedPaintInfo) -> Vec<u32> {
let plane_count = info.plane_count as usize;
let mut offsets = Vec::with_capacity(plane_count);
for i in 0..plane_count {
if let Some(plane) = info.planes.get(i) {
offsets.push(plane.offset as u32);
}
}
offsets
}

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@ -1,190 +0,0 @@
//! macOS IOSurface texture import implementation
use super::common::{format, texture};
use super::{TextureImportError, TextureImportResult, TextureImporter};
use cef::{AcceleratedPaintInfo, sys::cef_color_type_t};
use metal::foreign_types::ForeignType;
use metal::{MTLPixelFormat, MTLTextureType, MTLTextureUsage, Texture};
use std::os::raw::c_void;
use wgpu::hal::api;
pub struct IOSurfaceImporter {
pub handle: *mut c_void,
pub format: cef_color_type_t,
pub width: u32,
pub height: u32,
}
impl TextureImporter for IOSurfaceImporter {
fn new(info: &AcceleratedPaintInfo) -> Self {
Self {
handle: info.shared_texture_io_surface,
format: *info.format.as_ref(),
width: info.extra.coded_size.width as u32,
height: info.extra.coded_size.height as u32,
}
}
fn import_to_wgpu(&self, device: &wgpu::Device) -> TextureImportResult {
// Try hardware acceleration first
if self.supports_hardware_acceleration(device) {
match self.import_via_metal(device) {
Ok(texture) => {
tracing::trace!("Successfully imported IOSurface texture via Metal");
return Ok(texture);
}
Err(e) => {
tracing::warn!("Failed to import IOSurface via Metal: {}, falling back to CPU texture", e);
}
}
}
// Fallback to CPU texture
texture::create_fallback(device, self.width, self.height, self.format, "CEF IOSurface Texture (fallback)")
}
fn supports_hardware_acceleration(&self, device: &wgpu::Device) -> bool {
// Check if handle is valid
if self.handle.is_null() {
return false;
}
// Check if wgpu is using Metal backend
self.is_metal_backend(device)
}
}
impl IOSurfaceImporter {
fn import_via_metal(&self, device: &wgpu::Device) -> TextureImportResult {
// Get wgpu's Metal device
use wgpu::wgc::api::Metal;
let hal_texture = unsafe {
device.as_hal::<api::Metal, _, _>(|hal_device| {
let Some(hal_device) = hal_device else {
return Err(TextureImportError::HardwareUnavailable {
reason: "Device is not using Metal backend".to_string(),
});
};
// Import IOSurface handle into Metal texture
let metal_texture = self.import_iosurface_to_metal_texture(hal_device)?;
// Wrap Metal texture in wgpu-hal texture
// texture_from_raw signature: (texture, format, texture_type, mip_levels, sample_count, copy_extent)
let hal_texture = <api::Metal as wgpu::hal::Api>::Device::texture_from_raw(
metal_texture,
format::cef_to_wgpu(self.format)?,
MTLTextureType::D2,
1, // mip_level_count
1, // sample_count
wgpu::hal::CopyExtent {
width: self.width,
height: self.height,
depth: 1,
},
);
Ok(hal_texture)
})
}?;
// Import hal texture into wgpu
let texture = unsafe {
device.create_texture_from_hal::<Metal>(
hal_texture,
&wgpu::TextureDescriptor {
label: Some("CEF IOSurface Texture"),
size: wgpu::Extent3d {
width: self.width,
height: self.height,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: format::cef_to_wgpu(self.format)?,
usage: wgpu::TextureUsages::TEXTURE_BINDING,
view_formats: &[],
},
)
};
Ok(texture)
}
fn import_iosurface_to_metal_texture(&self, hal_device: &<api::Metal as wgpu::hal::Api>::Device) -> Result<Texture, TextureImportError> {
// Validate dimensions
if self.width == 0 || self.height == 0 {
return Err(TextureImportError::InvalidHandle("Invalid IOSurface texture dimensions".to_string()));
}
// Get the Metal device from wgpu-hal
let metal_device = hal_device.raw_device();
// Convert CEF format to Metal pixel format
let metal_format = self.cef_to_metal_format(self.format)?;
// Create Metal texture from IOSurface using objc runtime
// We need to use raw objc because the metal crate doesn't expose IOSurface creation directly
#[allow(unexpected_cfgs)] // Suppress objc crate internal cfg warnings
unsafe {
use objc::runtime::Object;
use objc::{class, msg_send, sel, sel_impl};
let iosurface = self.handle;
// Create texture descriptor using NSObject/Objective-C
let descriptor_class = class!(MTLTextureDescriptor);
let descriptor: *mut Object = msg_send![descriptor_class, new];
// Set descriptor properties
let _: () = msg_send![descriptor, setTextureType: MTLTextureType::D2];
let _: () = msg_send![descriptor, setPixelFormat: metal_format];
let _: () = msg_send![descriptor, setWidth: self.width as u64];
let _: () = msg_send![descriptor, setHeight: self.height as u64];
let _: () = msg_send![descriptor, setDepth: 1u64];
let _: () = msg_send![descriptor, setMipmapLevelCount: 1u64];
let _: () = msg_send![descriptor, setSampleCount: 1u64];
let _: () = msg_send![descriptor, setArrayLength: 1u64];
let _: () = msg_send![descriptor, setUsage: MTLTextureUsage::ShaderRead.bits()];
// Get device pointer
let device_ptr = metal_device.lock().as_ptr();
// Call newTextureWithDescriptor:iosurface:plane:
let metal_texture: *mut Object = msg_send![device_ptr, newTextureWithDescriptor:descriptor iosurface:iosurface plane:0u64];
// Release the descriptor
let _: () = msg_send![descriptor, release];
if metal_texture.is_null() {
return Err(TextureImportError::PlatformError {
message: "Failed to create Metal texture from IOSurface".to_string(),
});
}
// Cast to correct type and wrap in metal::Texture
let mtl_texture = metal_texture as *mut metal::MTLTexture;
Ok(Texture::from_ptr(mtl_texture))
}
}
fn cef_to_metal_format(&self, format: cef_color_type_t) -> Result<MTLPixelFormat, TextureImportError> {
match format {
cef_color_type_t::CEF_COLOR_TYPE_BGRA_8888 => Ok(MTLPixelFormat::BGRA8Unorm_sRGB),
cef_color_type_t::CEF_COLOR_TYPE_RGBA_8888 => Ok(MTLPixelFormat::RGBA8Unorm_sRGB),
_ => Err(TextureImportError::UnsupportedFormat { format }),
}
}
fn is_metal_backend(&self, device: &wgpu::Device) -> bool {
use wgpu::hal::api;
let mut is_metal = false;
unsafe {
device.as_hal::<api::Metal, _, _>(|device| {
is_metal = device.is_some();
});
}
is_metal
}
}

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@ -1,69 +0,0 @@
//! Unified texture import system for CEF hardware acceleration
//!
//! This module provides a platform-agnostic interface for importing shared textures
//! from CEF into wgpu, with automatic fallback to CPU textures when hardware
//! acceleration is not available.
//!
//! # Supported Platforms
//!
//! - **Linux**: DMA-BUF via Vulkan external memory
//! - **Windows**: D3D11 shared textures via Vulkan interop
//! - **macOS**: IOSurface via Metal native API
//!
//! # Features
//!
//! - `accelerated_paint` - Base feature for texture import
//! - `accelerated_paint_dmabuf` - Linux DMA-BUF support
//! - `accelerated_paint_d3d11` - Windows D3D11 support
//! - `accelerated_paint_iosurface` - macOS IOSurface support
pub(crate) mod common;
pub(crate) mod shared_texture_handle;
pub(crate) use shared_texture_handle::SharedTextureHandle;
#[cfg(target_os = "linux")]
pub(crate) mod dmabuf;
#[cfg(target_os = "windows")]
pub(crate) mod d3d11;
#[cfg(target_os = "macos")]
pub(crate) mod iosurface;
/// Result type for texture import operations
pub type TextureImportResult = Result<wgpu::Texture, TextureImportError>;
/// Errors that can occur during texture import
#[derive(Debug, thiserror::Error)]
pub enum TextureImportError {
#[error("Invalid texture handle: {0}")]
InvalidHandle(String),
#[error("Unsupported texture format: {format:?}")]
UnsupportedFormat { format: cef::sys::cef_color_type_t },
#[error("Hardware acceleration not available: {reason}")]
HardwareUnavailable { reason: String },
#[error("Vulkan operation failed: {operation}")]
#[cfg(not(target_os = "macos"))]
VulkanError { operation: String },
#[error("Platform-specific error: {message}")]
PlatformError { message: String },
#[error("Unsupported platform for texture import")]
UnsupportedPlatform,
}
/// Trait for platform-specific texture importers
pub trait TextureImporter {
fn new(info: &cef::AcceleratedPaintInfo) -> Self;
/// Import the texture into wgpu, with automatic fallback to CPU texture
fn import_to_wgpu(&self, device: &wgpu::Device) -> TextureImportResult;
/// Check if hardware acceleration is available for this texture
fn supports_hardware_acceleration(&self, device: &wgpu::Device) -> bool;
}

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@ -1,45 +0,0 @@
use cef::AcceleratedPaintInfo;
use super::{TextureImportError, TextureImportResult, TextureImporter};
pub(crate) enum SharedTextureHandle {
#[cfg(target_os = "linux")]
DmaBuf(super::dmabuf::DmaBufImporter),
#[cfg(target_os = "windows")]
D3D11(super::d3d11::D3D11Importer),
#[cfg(target_os = "macos")]
IOSurface(super::iosurface::IOSurfaceImporter),
Unsupported,
}
impl SharedTextureHandle {
pub(crate) fn new(info: &AcceleratedPaintInfo) -> Self {
// Extract DMA-BUF information
#[cfg(target_os = "linux")]
return Self::DmaBuf(super::dmabuf::DmaBufImporter::new(info));
// Extract D3D11 shared handle with texture metadata
#[cfg(target_os = "windows")]
return Self::D3D11(super::d3d11::D3D11Importer::new(info));
// Extract IOSurface handle with texture metadata
#[cfg(target_os = "macos")]
return Self::IOSurface(super::iosurface::IOSurfaceImporter::new(info));
#[allow(unreachable_code)]
Self::Unsupported
}
/// Import a texture using the appropriate platform-specific importer
pub(crate) fn import_texture(self, device: &wgpu::Device) -> TextureImportResult {
match self {
#[cfg(target_os = "linux")]
SharedTextureHandle::DmaBuf(importer) => importer.import_to_wgpu(device),
#[cfg(target_os = "windows")]
SharedTextureHandle::D3D11(importer) => importer.import_to_wgpu(device),
#[cfg(target_os = "macos")]
SharedTextureHandle::IOSurface(importer) => importer.import_to_wgpu(device),
SharedTextureHandle::Unsupported => Err(TextureImportError::UnsupportedPlatform),
}
}
}

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@ -250,6 +250,7 @@ impl GraphicsState {
load: wgpu::LoadOp::Clear(wgpu::Color { r: 0.01, g: 0.01, b: 0.01, a: 1.0 }), load: wgpu::LoadOp::Clear(wgpu::Color { r: 0.01, g: 0.01, b: 0.01, a: 1.0 }),
store: wgpu::StoreOp::Store, store: wgpu::StoreOp::Store,
}, },
depth_slice: None,
})], })],
depth_stencil_attachment: None, depth_stencil_attachment: None,
occlusion_query_set: None, occlusion_query_set: None,

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@ -88,6 +88,7 @@ impl ContextBuilder {
required_limits: adapter.limits(), required_limits: adapter.limits(),
memory_hints: Default::default(), memory_hints: Default::default(),
trace: wgpu::Trace::Off, trace: wgpu::Trace::Off,
experimental_features: Default::default(),
}; };
adapter.request_device(&device_descriptor).await.ok() adapter.request_device(&device_descriptor).await.ok()
} }