working on Vulkahn compute pipelines

Examples/Vulkan/.gitignore

@@ -0,0 +1 @@
+*.spv.h

Examples/Vulkan/main.c

@@ -31,11 +31,25 @@ int main(void)
 	PulseDevice device = PulseCreateDevice(backend, NULL, 0);
 	CHECK_PULSE_HANDLE_RETVAL(device, 1);
 
+	const uint8_t shader_bytecode[] = {
+		#include "shader.spv.h"
+	};
+
+	PulseComputePipelineCreateInfo info = {};
+	info.code_size = sizeof(shader_bytecode);
+	info.code = shader_bytecode;
+	info.entrypoint = "main";
+	info.format = PULSE_SHADER_FORMAT_SPIRV_BIT;
+
+	PulseComputePipeline pipeline = PulseCreateComputePipeline(device, &info);
+	CHECK_PULSE_HANDLE_RETVAL(pipeline, 1);
+
 	PulseFence fence = PulseCreateFence(device);
 	CHECK_PULSE_HANDLE_RETVAL(fence, 1);
 	PulseCommandList cmd = PulseRequestCommandList(device, PULSE_COMMAND_LIST_GENERAL);
 	CHECK_PULSE_HANDLE_RETVAL(cmd, 1);
 
+	PulseDispatchComputePipeline(pipeline, cmd, 8, 8, 8);
 
 	if(!PulseSubmitCommandList(device, cmd, fence))
 		fprintf(stderr, "Could not submit command list, %s\n", PulseVerbaliseErrorType(PulseGetLastErrorType()));
@@ -44,6 +58,7 @@ int main(void)
 
 	PulseReleaseCommandList(device, cmd);
 	PulseDestroyFence(device, fence);
+	PulseDestroyComputePipeline(device, pipeline);
 
 	PulseDestroyDevice(device);
 	PulseUnloadBackend(backend);

Examples/Vulkan/shader.nzsl

@@ -0,0 +1,13 @@
+[nzsl_version("1.0")]
+module;
+
+struct Input
+{
+	[builtin(global_invocation_indices)] indices: vec3[u32]
+}
+
+[entry(compute)]
+[workgroup(8, 8, 8)]
+fn main(input: Input)
+{
+}

Examples/Vulkan/xmake.lua

@@ -1,7 +1,99 @@
+add_repositories("nazara-engine-repo https://github.com/NazaraEngine/xmake-repo")
+
+add_requires("nzsl >=2023.12.31", { configs = { shared = false, nzslc = true } })
+
+if is_cross() then
+	add_requires("nzsl~host", { kind = "binary", host = true })
+end
+
+-- Yoinked from NZSL xmake repo
+rule("find_nzsl")
+	on_config(function(target)
+		import("core.project.project")
+		import("core.tool.toolchain")
+		import("lib.detect.find_tool")
+
+		local envs
+		if is_plat("windows") then
+			local msvc = target:toolchain("msvc")
+			if msvc and msvc:check() then
+				envs = msvc:runenvs()
+			end
+		elseif is_plat("mingw") then
+			local mingw = target:toolchain("mingw")
+			if mingw and mingw:check() then
+				envs = mingw:runenvs()
+			end
+		end
+		target:data_set("nzsl_envs", envs)
+
+		local nzsl = project.required_package("nzsl~host") or project.required_package("nzsl")
+		local nzsldir
+		if nzsl then
+			nzsldir = path.join(nzsl:installdir(), "bin")
+			local osenvs = os.getenvs()
+			envs = envs or {}
+			for env, values in pairs(nzsl:get("envs")) do
+				local flatval = path.joinenv(values)
+				local oldenv = envs[env] or osenvs[env]
+				if not oldenv or oldenv == "" then
+					envs[env] = flatval
+				elseif not oldenv:startswith(flatval) then
+					envs[env] = flatval .. path.envsep() .. oldenv
+				end
+			end
+		end
+
+		local nzsla = find_tool("nzsla", { version = true, paths = nzsldir, envs = envs })
+		local nzslc = find_tool("nzslc", { version = true, paths = nzsldir, envs = envs })
+
+		target:data_set("nzsla", nzsla)
+		target:data_set("nzslc", nzslc)
+		target:data_set("nzsl_runenv", envs)
+	end)
+rule_end()
+
+rule("compile_shaders")
+	set_extensions(".nzsl")
+	add_deps("find_nzsl")
+
+	before_buildcmd_file(function(target, batchcmds, shaderfile, opt)
+		local outputdir = target:data("nzsl_includedirs")
+		local nzslc = target:data("nzslc")
+		local runenvs = target:data("nzsl_runenv")
+		assert(nzslc, "nzslc not found! please install nzsl package with nzslc enabled")
+
+		batchcmds:show_progress(opt.progress, "${color.build.object}compiling.shader %s", shaderfile)
+		local argv = { "--compile=spv-header", "--optimize" }
+		if outputdir then
+			batchcmds:mkdir(outputdir)
+			table.insert(argv, "--output=" .. outputdir)
+		end
+
+		local kind = target:data("plugin.project.kind") or ""
+		if kind:match("vs") then
+			table.insert(argv, "--log-format=vs")
+		end
+
+		table.insert(argv, shaderfile)
+
+		batchcmds:vrunv(nzslc.program, argv, { curdir = ".", envs = runenvs })
+
+		local outputfile = path.join(outputdir or path.directory(shaderfile), path.basename(shaderfile) .. ".spv.h")
+
+		batchcmds:add_depfiles(shaderfile)
+		batchcmds:add_depvalues(nzslc.version)
+		batchcmds:set_depmtime(os.mtime(outputfile))
+		batchcmds:set_depcache(target:dependfile(outputfile))
+	end)
+rule_end()
+
 target("VulkanExample")
 	add_deps("pulse_gpu")
 	if is_plat("linux") then
 		set_extension(".x86_64")
 	end
+	add_rules("compile_shaders")
 	add_files("*.c")
+	add_files("*.nzsl")
 target_end()

Examples/xmake.lua

@@ -4,4 +4,3 @@ if has_config("examples") then
 	set_group("Examples")
 	includes("*/xmake.lua")
 end
-