gpu: add BlendFactor enum

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

gpu/src/TODO

@@ -27,29 +27,6 @@ typedef struct WGPUSamplerImpl* WGPUSampler;
 typedef struct WGPUTextureImpl* WGPUTexture;
 typedef struct WGPUTextureViewImpl* WGPUTextureView;
 
-typedef enum WGPUAlphaMode {
-    WGPUAlphaMode_Premultiplied = 0x00000000,
-    WGPUAlphaMode_Unpremultiplied = 0x00000001,
-    WGPUAlphaMode_Force32 = 0x7FFFFFFF
-} WGPUAlphaMode;
-
-typedef enum WGPUBlendFactor {
-    WGPUBlendFactor_Zero = 0x00000000,
-    WGPUBlendFactor_One = 0x00000001,
-    WGPUBlendFactor_Src = 0x00000002,
-    WGPUBlendFactor_OneMinusSrc = 0x00000003,
-    WGPUBlendFactor_SrcAlpha = 0x00000004,
-    WGPUBlendFactor_OneMinusSrcAlpha = 0x00000005,
-    WGPUBlendFactor_Dst = 0x00000006,
-    WGPUBlendFactor_OneMinusDst = 0x00000007,
-    WGPUBlendFactor_DstAlpha = 0x00000008,
-    WGPUBlendFactor_OneMinusDstAlpha = 0x00000009,
-    WGPUBlendFactor_SrcAlphaSaturated = 0x0000000A,
-    WGPUBlendFactor_Constant = 0x0000000B,
-    WGPUBlendFactor_OneMinusConstant = 0x0000000C,
-    WGPUBlendFactor_Force32 = 0x7FFFFFFF
-} WGPUBlendFactor;
-
 typedef enum WGPUBlendOperation {
     WGPUBlendOperation_Add = 0x00000000,
     WGPUBlendOperation_Subtract = 0x00000001,

gpu/src/enums.zig

@@ -143,6 +143,22 @@ pub const AlphaMode = enum(u32) {
     unpremultiplied = 0x00000001,
 };
 
+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,
+};
+
 test "name" {
     try std.testing.expect(std.mem.eql(u8, @tagName(Feature.timestamp_query), "timestamp_query"));
 }
@@ -151,4 +167,6 @@ test "syntax" {
     _ = Feature;
     _ = AddressMode;
     _ = PresentMode;
+    _ = AlphaMode;
+    _ = BlendFactor;
 }

gpu/src/main.zig

@@ -41,6 +41,8 @@ pub const TextureUsage = @import("enums.zig").TextureUsage;
 pub const TextureFormat = @import("enums.zig").TextureFormat;
 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;
 
 test "syntax" {
     _ = Interface;