From 40306320f617954fa292aee105e2d4f6ecd44f3e Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Fri, 15 Jul 2022 00:22:34 -0700
Subject: [PATCH] gpu: make Sampler an enum with methods

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/Sampler.zig | 26 +++++++++++++++-----------
 gpu/src/main.zig    |  4 ++--
 2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/gpu/src/Sampler.zig b/gpu/src/Sampler.zig
index 90ba5ad2..72b6c00e 100644
--- a/gpu/src/Sampler.zig
+++ b/gpu/src/Sampler.zig
@@ -1,14 +1,18 @@
-ptr: *anyopaque,
+pub const Sampler = enum(usize) {
+    _,
 
-pub const AddressMode = enum(u32) {
-    repeat = 0x00000000,
-    mirror_repeat = 0x00000001,
-    clamp_to_edge = 0x00000002,
-};
+    pub const none: Sampler = @intToEnum(Sampler, 0);
 
-pub const BindingType = enum(u32) {
-    undef = 0x00000000,
-    filtering = 0x00000001,
-    non_filtering = 0x00000002,
-    comparison = 0x00000003,
+    pub const AddressMode = enum(u32) {
+        repeat = 0x00000000,
+        mirror_repeat = 0x00000001,
+        clamp_to_edge = 0x00000002,
+    };
+
+    pub const BindingType = enum(u32) {
+        undef = 0x00000000,
+        filtering = 0x00000001,
+        non_filtering = 0x00000002,
+        comparison = 0x00000003,
+    };
 };
diff --git a/gpu/src/main.zig b/gpu/src/main.zig
index 63359748..f608cede 100644
--- a/gpu/src/main.zig
+++ b/gpu/src/main.zig
@@ -27,7 +27,7 @@ pub const RenderBundle = @import("render_bundle.zig").RenderBundle;
 pub const RenderBundleEncoder = @import("render_bundle_encoder.zig").RenderBundleEncoder;
 pub const RenderPassEncoder = @import("render_pass_encoder.zig").RenderPassEncoder;
 pub const RenderPipeline = @import("render_pipeline.zig").RenderPipeline;
-pub const Sampler = @import("Sampler.zig");
+pub const Sampler = @import("sampler.zig").Sampler;
 pub const ShaderModule = @import("ShaderModule.zig");
 pub const Surface = @import("Surface.zig");
 pub const SwapChain = @import("SwapChain.zig");
@@ -55,7 +55,7 @@ test {
     refAllDecls(@import("render_bundle_encoder.zig"));
     refAllDecls(@import("render_pass_encoder.zig"));
     refAllDecls(@import("render_pipeline.zig"));
-    refAllDecls(@import("Sampler.zig"));
+    refAllDecls(@import("sampler.zig"));
     refAllDecls(@import("ShaderModule.zig"));
     refAllDecls(@import("Surface.zig"));
     refAllDecls(@import("SwapChain.zig"));