From 3d0051e7202375ca2c0d36c2d1ad6d9bc033e540 Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Sun, 24 Jul 2022 14:53:29 -0700
Subject: [PATCH] gpu: convert QuerySet from enum(usize) to *opaque

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/main.zig      |  2 +-
 gpu/src/query_set.zig | 21 ++++++++-------------
 2 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/gpu/src/main.zig b/gpu/src/main.zig
index e7515e78..76755ab0 100644
--- a/gpu/src/main.zig
+++ b/gpu/src/main.zig
@@ -90,7 +90,7 @@ pub const RenderPassDescriptor = extern struct {
     color_attachment_count: u32,
     color_attachments: [*]const types.RenderPassColorAttachment,
     depth_stencil_attachment: ?[*]const RenderPassDepthStencilAttachment = null, // nullable
-    occlusion_query_set: query_set.QuerySet = query_set.QuerySet.none, // nullable
+    occlusion_query_set: ?query_set.QuerySet,
     timestamp_write_count: u32,
     timestamp_writes: [*]const RenderPassTimestampWrite,
 };
diff --git a/gpu/src/query_set.zig b/gpu/src/query_set.zig
index 023192d8..f354f77f 100644
--- a/gpu/src/query_set.zig
+++ b/gpu/src/query_set.zig
@@ -2,18 +2,13 @@ const ChainedStruct = @import("types.zig").ChainedStruct;
 const PipelineStatisticName = @import("types.zig").PipelineStatisticName;
 const QueryType = @import("types.zig").QueryType;
 
-pub const QuerySet = enum(usize) {
-    _,
+pub const QuerySet = *opaque {};
 
-    // TODO: verify there is a use case for nullable value of this type.
-    pub const none: QuerySet = @intToEnum(QuerySet, 0);
-
-    pub const Descriptor = extern struct {
-        next_in_chain: *const ChainedStruct,
-        label: ?[*:0]const u8 = null,
-        type: QueryType,
-        count: u32,
-        pipeline_statistics: [*]const PipelineStatisticName,
-        pipeline_statistics_count: u32,
-    };
+pub const QuerySetDescriptor = extern struct {
+    next_in_chain: *const ChainedStruct,
+    label: ?[*:0]const u8 = null,
+    type: QueryType,
+    count: u32,
+    pipeline_statistics: [*]const PipelineStatisticName,
+    pipeline_statistics_count: u32,
 };