add some spirv utilities and vulkan-headers (#157)

* add spirv-reflect

* add spirv-cross

* add vulkan-headers

packages/s/spirv-cross/xmake.lua

@@ -0,0 +1,27 @@
+package("spirv-cross")
+
+    set_homepage("https://github.com/KhronosGroup/SPIRV-Cross/")
+    set_description("SPIRV-Cross is a practical tool and library for performing reflection on SPIR-V and disassembling SPIR-V back to high level languages.")
+    set_license("Apache-2.0")
+
+    add_urls("https://github.com/KhronosGroup/SPIRV-Cross/archive/$(version).tar.gz", {version = function (version) return version:gsub("%.", "-") end})
+    add_versions("2020.09.17", "a3351742fe1fae9a15e91abbfb5314d96f5f77927ed07f55124d6df830ac97a7")
+
+    add_deps("cmake")
+    add_links("spirv-cross-c", "spirv-cross-cpp", "spirv-cross-reflect", "spirv-cross-msl", "spirv-cross-util", "spirv-cross-hlsl", "spirv-cross-glsl", "spirv-cross-core")
+
+    on_install("windows", "linux", "macosx", function (package)
+        local configs = {"-DSPIRV_CROSS_ENABLE_TESTS=OFF"}
+        if package:config("shared") then
+            table.insert(configs, "-DSPIRV_CROSS_SHARED=ON")
+        else
+            table.insert(configs, "-DSPIRV_CROSS_SHARED=OFF")
+        end
+        import("package.tools.cmake").install(package, configs)
+        package:addenv("PATH", "bin")
+    end)
+
+    on_test(function (package)
+        os.vrun("spirv-cross --help")
+        assert(package:has_cfuncs("spvc_get_version", {includes = "spirv_cross/spirv_cross_c.h"}))
+    end)

packages/s/spirv-reflect/xmake.lua

@@ -0,0 +1,28 @@
+package("spirv-reflect")
+
+    set_homepage("https://github.com/KhronosGroup/SPIRV-Reflect")
+    set_description("SPIRV-Reflect is a lightweight library that provides a C/C++ reflection API for SPIR-V shader bytecode in Vulkan applications.")
+    set_license("Apache-2.0")
+
+    add_urls("https://github.com/KhronosGroup/SPIRV-Reflect.git")
+    add_versions("1.2.154+1", "5de48fe8d3ef434e846d64ed758adc5d26335ae5")
+
+    add_deps("spirv-headers")
+
+    on_install("windows", "linux", "macosx", function (package)
+        io.gsub("spirv_reflect.h", "#include \"%.%/include%/spirv%/unified1%/spirv.h\"", "#include \"spirv/unified1/spirv.h\"")
+        io.writefile("xmake.lua", [[
+            add_rules("mode.debug", "mode.release")
+            add_requires("spirv-headers")
+            target("spirv-reflect")
+                set_kind("static")
+                add_packages("spirv-headers")
+                add_files("spirv_reflect.c")
+                add_headerfiles("spirv_reflect.h")
+        ]])
+        import("package.tools.xmake").install(package)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("spvReflectGetCodeSize", {includes = "spirv_reflect.h"}))
+    end)

packages/v/vulkan-headers/xmake.lua

@@ -0,0 +1,22 @@
+package("vulkan-headers")
+
+    set_homepage("https://github.com/KhronosGroup/Vulkan-Headers/")
+    set_description("Vulkan Header files and API registry")
+    set_license("Apache-2.0")
+
+    add_urls("https://github.com/KhronosGroup/Vulkan-Headers/archive/sdk-$(version).tar.gz", {version = function (version) return version:gsub("%+", ".") end})
+    add_versions("1.2.154+0", "a0528ade4dd3bd826b960ba4ccabc62e92ecedc3c70331b291e0a7671b3520f9")
+
+    add_deps("cmake")
+
+    on_install("windows", "linux", "macosx", function (package)
+        import("package.tools.cmake").install(package)
+    end)
+
+    on_test(function (package)
+        assert(package:check_csnippets({test = [[
+            void test() {
+                int version = VK_HEADER_VERSION;
+            }
+        ]]}, {includes = "vulkan/vulkan.h"}))
+    end)