cac

Tests/Backend.c

@@ -15,6 +15,8 @@ void TestBackendSupport()
 		if(!PulseSupportsBackend(PULSE_BACKEND_VULKAN, PULSE_SHADER_FORMAT_SPIRV_BIT))
 	#elif defined(WEBGPU_ENABLED)
 		if(!PulseSupportsBackend(PULSE_BACKEND_WEBGPU, PULSE_SHADER_FORMAT_WGSL_BIT))
+	#elif defined(OPENGL_ENABLED)
+		if(!PulseSupportsBackend(PULSE_BACKEND_WEBGPU, PULSE_SHADER_FORMAT_WGSL_BIT))
 	#endif
 	{
 		TEST_MESSAGE("Backend is not supported");

Tests/Shaders/.gitignore

@@ -1,2 +1,4 @@
 *.spv.h
 *.wgsl.h
+*.json
+*.glsl.h

Tests/Shaders/Vulkan-OpenGL/BufferCopy.nzsl

@@ -12,10 +12,16 @@ struct SSBO
     data: dyn_array[u32]
 }
 
+[set(0)]
 external
 {
-    [set(0), binding(0)] read_ssbo: storage[SSBO, readonly],
-    [set(1), binding(0)] write_ssbo: storage[SSBO, writeonly],
+    [binding(0)] read_ssbo: storage[SSBO, readonly],
+}
+
+[set(1)]
+external
+{
+    [binding(0)] write_ssbo: storage[SSBO, writeonly],
 }
 
 [entry(compute)]

Tests/Shaders/Vulkan-OpenGL/ReadWriteBindings.nzsl

@@ -0,0 +1,33 @@
+[nzsl_version("1.0")]
+module;
+
+struct Input
+{
+    [builtin(global_invocation_indices)] indices: vec3[u32]
+}
+
+[layout(std430)]
+struct SSBO
+{
+    data: dyn_array[u32]
+}
+
+[set(0)]
+external
+{
+    [binding(0)] read_texture: texture2D[f32, readonly, rgba8],
+    [binding(1)] read_ssbo: storage[SSBO, readonly],
+}
+
+[set(1)]
+external
+{
+    [binding(0)] write_texture: texture2D[f32, rgba8],
+    [binding(1)] write_ssbo: storage[SSBO, writeonly],
+}
+
+[entry(compute)]
+[workgroup(16, 16, 1)]
+fn main(input: Input)
+{
+}

Tests/Shaders/Vulkan-OpenGL/SimpleBufferWrite.nzsl

@@ -12,9 +12,10 @@ struct SSBO
     data: dyn_array[u32]
 }
 
+[set(1)]
 external
 {
-    [set(1), binding(0)] ssbo: storage[SSBO],
+    [binding(0)] ssbo: storage[SSBO],
 }
 
 [entry(compute)]

Tests/Shaders/Vulkan-OpenGL/WriteOnlyBindings.nzsl

@@ -12,10 +12,11 @@ struct SSBO
     data: dyn_array[u32]
 }
 
+[set(0)]
 external
 {
-    [set(1), binding(0)] write_texture: texture2D[f32, readwrite, rgba8],
-    [set(1), binding(1)] write_ssbo: storage[SSBO],
+    [binding(0)] write_texture: texture2D[f32, readwrite, rgba8],
+    [binding(1)] write_ssbo: storage[SSBO],
 }
 
 [entry(compute)]

Tests/Shaders/Vulkan/ReadWriteBindings.nzsl

@@ -1,27 +0,0 @@
-[nzsl_version("1.0")]
-module;
-
-struct Input
-{
-    [builtin(global_invocation_indices)] indices: vec3[u32]
-}
-
-[layout(std430)]
-struct SSBO
-{
-    data: dyn_array[u32]
-}
-
-external
-{
-    [set(0), binding(0)] read_texture: texture2D[f32, readonly, rgba8],
-    [set(0), binding(1)] read_ssbo: storage[SSBO, readonly],
-    [set(1), binding(0)] write_texture: texture2D[f32, readonly, rgba8],
-    [set(1), binding(1)] write_ssbo: storage[SSBO, writeonly],
-}
-
-[entry(compute)]
-[workgroup(16, 16, 1)]
-fn main(input: Input)
-{
-}

Tests/xmake.lua

@@ -1,7 +1,10 @@
-local tests = {
-	Vulkan = {
-		option = "vulkan",
-		global_custom = function()
+Backend = {
+	VULKAN = 1,
+	OPENGL = 2,
+	OPENGL_ES = 3,
+}
+
+function nzsl(backend)
 	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
@@ -58,7 +61,14 @@ local tests = {
 			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" }
+			local argv = {}
+			if backend == Backend.VULKAN then
+				argv = { "--compile=spv-header", "--optimize" }
+			elseif backend == Backend.OPENGL then
+				argv = { "--compile=glsl-header", "--optimize", "--gl-version", "310", "--gl-es", "--gl-bindingmap" }
+			else
+				argv = { "--compile=glsl-header", "--optimize", "--gl-version", "310", "--gl-bindingmap" }
+			end
 			if outputdir then
 				batchcmds:mkdir(outputdir)
 				table.insert(argv, "--output=" .. outputdir)
@@ -76,10 +86,39 @@ local tests = {
 			batchcmds:set_depcache(target:dependfile(outputfile))
 		end)
 	rule_end()
+end
+
+local tests = {
+	Vulkan = {
+		option = "vulkan",
+		global_custom = function()
+			nzsl(Backend.VULKAN)
 		end,
 		custom = function()
 			add_rules("nzsl_compile_shaders")
-			add_packages("nzs")
+			add_packages("nzsl")
+			add_files("**.nzsl")
+		end
+	},
+	OpenGL = {
+		option = "opengl",
+		global_custom = function()
+			nzsl(backend.OPENGL)
+		end,
+		custom = function()
+			add_rules("nzsl_compile_shaders")
+			add_packages("nzsl")
+			add_files("**.nzsl")
+		end
+	},
+	OpenGLES = {
+		option = "opengl-es",
+		global_custom = function()
+			nzsl(Backend.OpenGLES)
+		end,
+		custom = function()
+			add_rules("nzsl_compile_shaders")
+			add_packages("nzsl")
 			add_files("**.nzsl")
 		end
 	},