From ce0389df234f6bf6f6b8054658d9e8be8f494206 Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Wed, 9 Mar 2022 10:00:41 -0700
Subject: [PATCH] gpu: add BlendOperation enum

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/TODO      |  9 ---------
 gpu/src/enums.zig | 35 ++++++++++++++++++++++-------------
 gpu/src/main.zig  |  1 +
 3 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/gpu/src/TODO b/gpu/src/TODO
index beb87f63..22ab9c7e 100644
--- a/gpu/src/TODO
+++ b/gpu/src/TODO
@@ -27,15 +27,6 @@ typedef struct WGPUSamplerImpl* WGPUSampler;
 typedef struct WGPUTextureImpl* WGPUTexture;
 typedef struct WGPUTextureViewImpl* WGPUTextureView;
 
-typedef enum WGPUBlendOperation {
-    WGPUBlendOperation_Add = 0x00000000,
-    WGPUBlendOperation_Subtract = 0x00000001,
-    WGPUBlendOperation_ReverseSubtract = 0x00000002,
-    WGPUBlendOperation_Min = 0x00000003,
-    WGPUBlendOperation_Max = 0x00000004,
-    WGPUBlendOperation_Force32 = 0x7FFFFFFF
-} WGPUBlendOperation;
-
 typedef enum WGPUBufferBindingType {
     WGPUBufferBindingType_Undefined = 0x00000000,
     WGPUBufferBindingType_Uniform = 0x00000001,
diff --git a/gpu/src/enums.zig b/gpu/src/enums.zig
index 80dd38cf..a896f606 100644
--- a/gpu/src/enums.zig
+++ b/gpu/src/enums.zig
@@ -144,19 +144,27 @@ pub const AlphaMode = enum(u32) {
 };
 
 pub const BlendFactor = enum(u32) {
-    Zero = 0x00000000,
-    One = 0x00000001,
-    Src = 0x00000002,
-    OneMinusSrc = 0x00000003,
-    SrcAlpha = 0x00000004,
-    OneMinusSrcAlpha = 0x00000005,
-    Dst = 0x00000006,
-    OneMinusDst = 0x00000007,
-    DstAlpha = 0x00000008,
-    OneMinusDstAlpha = 0x00000009,
-    SrcAlphaSaturated = 0x0000000A,
-    Constant = 0x0000000B,
-    OneMinusConstant = 0x0000000C,
+    zero = 0x00000000,
+    one = 0x00000001,
+    src = 0x00000002,
+    one_minus_src = 0x00000003,
+    src_alpha = 0x00000004,
+    oneMinusSrcAlpha = 0x00000005,
+    dst = 0x00000006,
+    one_minus_dst = 0x00000007,
+    dst_alpha = 0x00000008,
+    one_minus_dst_alpha = 0x00000009,
+    src_alpha_saturated = 0x0000000A,
+    constant = 0x0000000B,
+    one_minus_constant = 0x0000000C,
+};
+
+pub const BlendOperation = enum(u32) {
+    add = 0x00000000,
+    subtract = 0x00000001,
+    reverse_subtract = 0x00000002,
+    min = 0x00000003,
+    max = 0x00000004,
 };
 
 test "name" {
@@ -169,4 +177,5 @@ test "syntax" {
     _ = PresentMode;
     _ = AlphaMode;
     _ = BlendFactor;
+    _ = BlendOperation;
 }
diff --git a/gpu/src/main.zig b/gpu/src/main.zig
index 132679d7..9c42db33 100644
--- a/gpu/src/main.zig
+++ b/gpu/src/main.zig
@@ -43,6 +43,7 @@ pub const PresentMode = @import("enums.zig").PresentMode;
 pub const AddressMode = @import("enums.zig").AddressMode;
 pub const AlphaMode = @import("enums.zig").AlphaMode;
 pub const BlendFactor = @import("enums.zig").BlendFactor;
+pub const BlendOperation = @import("enums.zig").BlendOperation;
 
 test "syntax" {
     _ = Interface;