From 089eb3bdda9c2aa3445bd32dcbb6e37b83a0c60c Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Mon, 11 Jul 2022 06:38:39 -0700
Subject: [PATCH] gpu: make enum namers methods

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/Adapter.zig | 20 +++++++++++++-------
 gpu/src/types.zig   | 36 +++++++++++++++++++++++-------------
 2 files changed, 36 insertions(+), 20 deletions(-)

diff --git a/gpu/src/Adapter.zig b/gpu/src/Adapter.zig
index b1bd4478..a146828e 100644
--- a/gpu/src/Adapter.zig
+++ b/gpu/src/Adapter.zig
@@ -1,3 +1,5 @@
+const testing = @import("std").testing;
+
 ptr: *anyopaque,
 
 pub const Type = enum(u32) {
@@ -5,13 +7,17 @@ pub const Type = enum(u32) {
     integrated_gpu,
     cpu,
     unknown,
+
+    pub fn name(t: Type) []const u8 {
+        return switch (t) {
+            .discrete_gpu => "Discrete GPU",
+            .integrated_gpu => "Integrated GPU",
+            .cpu => "CPU",
+            .unknown => "Unknown",
+        };
+    }
 };
 
-pub fn typeName(t: Type) []const u8 {
-    return switch (t) {
-        .discrete_gpu => "Discrete GPU",
-        .integrated_gpu => "Integrated GPU",
-        .cpu => "CPU",
-        .unknown => "Unknown",
-    };
+test "Adapter.Type name" {
+    try testing.expectEqualStrings("Discrete GPU", Type.discrete_gpu.name());
 }
diff --git a/gpu/src/types.zig b/gpu/src/types.zig
index c0a6a8e9..7610682a 100644
--- a/gpu/src/types.zig
+++ b/gpu/src/types.zig
@@ -1,3 +1,5 @@
+const testing = @import("std").testing;
+
 pub const AlphaMode = enum(u32) {
     premultiplied = 0x00000000,
     unpremultiplied = 0x00000001,
@@ -12,20 +14,20 @@ pub const BackendType = enum(u32) {
     vulkan,
     opengl,
     opengles,
-};
 
-pub fn backendTypeName(t: BackendType) []const u8 {
-    return switch (t) {
-        .nul => "Null",
-        .webgpu => "WebGPU",
-        .d3d11 => "D3D11",
-        .d3d12 => "D3D12",
-        .metal => "Metal",
-        .vulkan => "Vulkan",
-        .opengl => "OpenGL",
-        .opengles => "OpenGLES",
-    };
-}
+    pub fn name(t: BackendType) []const u8 {
+        return switch (t) {
+            .nul => "Null",
+            .webgpu => "WebGPU",
+            .d3d11 => "D3D11",
+            .d3d12 => "D3D12",
+            .metal => "Metal",
+            .vulkan => "Vulkan",
+            .opengl => "OpenGL",
+            .opengles => "OpenGLES",
+        };
+    }
+};
 
 pub const BlendFactor = enum(u32) {
     zero = 0x00000000,
@@ -94,3 +96,11 @@ pub const CullMode = enum(u32) {
     front = 0x00000001,
     back = 0x00000002,
 };
+
+test "BackendType name" {
+    try testing.expectEqualStrings("Vulkan", BackendType.vulkan.name());
+}
+
+test "enum name" {
+    try testing.expectEqualStrings("front", @tagName(CullMode.front));
+}