dev-util/spirv-headers: add 1.4.304

Signed-off-by: Nick Sarnie <sarnex@gentoo.org>

dev-util/spirv-headers/Manifest

@@ -1,2 +1,3 @@
 DIST spirv-headers-1.3.290.0.tar.gz 521685 BLAKE2B f6179e8666a66c2f512153a3574ea252925020903739956f06eb24972ab5dc063dc19692b5c5eee96a3106db6bce652b625209cbcfd587ee73cd95a960ddffdd SHA512 d3328cd4ddf87d075afacfb7ada01dbd16a3ff39b831e9ebe4ce3c32af0ff0c8822811b0e0d273a54b4acaba29b63b099efcf0150424bd9074d24d04a9974d89
 DIST spirv-headers-1.3.296.0.tar.gz 523647 BLAKE2B 2ebda8006e83223620a9600973162b5ce4580442fab44edb5fa177642f61907385feeba5e33e29b2acda4527b523bc74e60b1b75b5c71111a606bb192e8baa9b SHA512 b4f975d3051eda41ef5c3a6efc832607a165adfd6f43d7af171d2c0446b227bdcb5de0017a081fa9e7a3d2710ba8583fadbc06c0a364043b2778b02818d01040
+DIST spirv-headers-1.4.304.0.tar.gz 532015 BLAKE2B c2b4fcc61c4d6c6134c19ddd31722fd2a87820621ce46fd8f5c810c53b0d671b40d4c5b2cef7ec54e273b17518778ea6059f5ff7f06049799457b8c4586a73ef SHA512 09d6a2e4f7758e8e6bd0c5036d8895befc96ea049b655d2786df4092a6f4ad4185a70ca83bd38683afb9b5e1ec45d8699a38d19774ca39c09f4f199fa1085946

dev-util/spirv-headers/spirv-headers-1.4.304.0.ebuild

@@ -0,0 +1,30 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MY_PN=SPIRV-Headers
+inherit cmake
+
+if [[ ${PV} == *9999* ]]; then
+	EGIT_REPO_URI="https://github.com/KhronosGroup/${MY_PN}.git"
+	inherit git-r3
+else
+	SRC_URI="https://github.com/KhronosGroup/${MY_PN}/archive/vulkan-sdk-${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~x86"
+	S="${WORKDIR}"/${MY_PN}-vulkan-sdk-${PV}
+fi
+
+DESCRIPTION="Machine-readable files for the SPIR-V Registry"
+HOMEPAGE="https://registry.khronos.org/SPIR-V/ https://github.com/KhronosGroup/SPIRV-Headers"
+
+LICENSE="MIT"
+SLOT="0"
+
+src_configure() {
+	local mycmakeargs=(
+		-DSPIRV_HEADERS_ENABLE_TESTS=OFF
+		-DSPIRV_HEADERS_ENABLE_INSTALL=ON
+	)
+	cmake_src_configure
+}