Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/MetalEngine/BUILD

@@ -0,0 +1,63 @@
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_library")
+
+load(
+    "@build_bazel_rules_apple//apple:resources.bzl",
+    "apple_resource_bundle",
+    "apple_resource_group",
+)
+load("//build-system/bazel-utils:plist_fragment.bzl",
+    "plist_fragment",
+)
+
+filegroup(
+    name = "MetalSources",
+    srcs = glob([
+        "Sources/**/*.metal",
+    ]),
+    visibility = ["//visibility:public"],
+)
+
+plist_fragment(
+    name = "MetalEngineMetalSourcesBundleInfoPlist",
+    extension = "plist",
+    template =
+    """
+    <key>CFBundleIdentifier</key>
+    <string>org.telegram.MetalEngineMetalSources</string>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>en</string>
+    <key>CFBundleName</key>
+    <string>MetalEngine</string>
+    """
+)
+
+apple_resource_bundle(
+    name = "MetalEngineMetalSourcesBundle",
+    infoplists = [
+        ":MetalEngineMetalSourcesBundleInfoPlist",
+    ],
+    resources = [
+        ":MetalSources",
+    ],
+)
+
+swift_library(
+    name = "MetalEngine",
+    module_name = "MetalEngine",
+    srcs = glob([
+        "Sources/**/*.swift",
+    ]),
+    copts = [
+        "-warnings-as-errors",
+    ],
+    data = [
+        ":MetalEngineMetalSourcesBundle",
+    ],
+    deps = [
+        "//submodules/Display",
+        "//submodules/Utils/ShelfPack",
+    ],
+    visibility = [
+        "//visibility:public",
+    ],
+)

submodules/MetalEngine/Package.swift

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+// swift-tools-version:5.5
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "MetalEngine",
+    platforms: [.macOS(.v10_13)],
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "MetalEngine",
+            targets: ["MetalEngine"]),
+    ],
+    dependencies: [
+        .package(name: "ShelfPack", path: "../Utils/ShelfPack"),
+        .package(name: "TGUIKit", path: "../../../../packages/TGUIKit"),
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "MetalEngine",
+            dependencies: [.product(name: "ShelfPack", package: "ShelfPack", condition: nil),
+                           .product(name: "TGUIKit", package: "TGUIKit", condition: nil)],
+            path: "Sources/",
+            resources: [.copy("MetalEngineShaders.metal")]),
+    ]
+)

submodules/MetalEngine/Sources/AlignUp.swift

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+import Foundation
+
+func alignUp(_ value: Int, alignment: Int) -> Int {
+    assert(((alignment - 1) & alignment) == 0)
+
+    let alignmentMask = alignment - 1
+    return ((value + alignmentMask) & (~alignmentMask))
+}

submodules/MetalEngine/Sources/MetalEngineShaders.metal

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+#include <metal_stdlib>
+
+using namespace metal;
+
+vertex float4 clearVertex(const device float2* vertexArray [[ buffer(0) ]], unsigned int vid [[ vertex_id ]]) {
+    return float4(vertexArray[vid], 0.0, 1.0);
+}
+
+fragment half4 clearFragment(const device float4 &color [[ buffer(0) ]]) {
+    return half4(color);
+}