From 67f77d5a8c63cdea16607132915f1e1352ed35eb Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Wed, 16 Mar 2022 10:41:07 -0700
Subject: [PATCH] gpu: implement RenderPassEncoder.setScissorRect

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/NativeInstance.zig    | 11 +++++++++++
 gpu/src/RenderPassEncoder.zig |  8 ++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/gpu/src/NativeInstance.zig b/gpu/src/NativeInstance.zig
index 9df6d581..71d69542 100644
--- a/gpu/src/NativeInstance.zig
+++ b/gpu/src/NativeInstance.zig
@@ -1032,6 +1032,17 @@ const render_pass_encoder_vtable = RenderPassEncoder.VTable{
             );
         }
     }).setIndexBuffer,
+    .setScissorRect = (struct {
+        pub fn setScissorRect(ptr: *anyopaque, x: u32, y: u32, width: u32, height: u32) void {
+            c.wgpuRenderPassEncoderSetScissorRect(
+                @ptrCast(c.WGPURenderPassEncoder, ptr),
+                x,
+                y,
+                width,
+                height,
+            );
+        }
+    }).setScissorRect,
 };
 
 fn wrapRenderBundleEncoder(enc: c.WGPURenderBundleEncoder) RenderBundleEncoder {
diff --git a/gpu/src/RenderPassEncoder.zig b/gpu/src/RenderPassEncoder.zig
index f8d4cb52..e12762a5 100644
--- a/gpu/src/RenderPassEncoder.zig
+++ b/gpu/src/RenderPassEncoder.zig
@@ -42,8 +42,7 @@ pub const VTable = struct {
     setIndexBuffer: fn (ptr: *anyopaque, buffer: Buffer, format: IndexFormat, offset: u64, size: u64) void,
     setLabel: fn (ptr: *anyopaque, label: [:0]const u8) void,
     setPipeline: fn (ptr: *anyopaque, pipeline: RenderPipeline) void,
-    // setScissorRect: fn (ptr: *anyopaque, x: u32, y: u32, width: u32, height: u32) void,
-    // WGPU_EXPORT void wgpuRenderPassEncoderSetScissorRect(WGPURenderPassEncoder renderPassEncoder, uint32_t x, uint32_t y, uint32_t width, uint32_t height);
+    setScissorRect: fn (ptr: *anyopaque, x: u32, y: u32, width: u32, height: u32) void,
     // setStencilReference: fn (ptr: *anyopaque, reference: u32) void,
     // WGPU_EXPORT void wgpuRenderPassEncoderSetStencilReference(WGPURenderPassEncoder renderPassEncoder, uint32_t reference);
     // setVertexBuffer: fn (ptr: *anyopaque, slot: u32, buffer: Buffer, offset: u64, size: u64) void,
@@ -150,6 +149,10 @@ pub inline fn setPipeline(pass: RenderPassEncoder, pipeline: RenderPipeline) voi
     pass.vtable.setPipeline(pass.ptr, pipeline);
 }
 
+pub inline fn setScissorRect(pass: RenderPassEncoder, x: u32, y: u32, width: u32, height: u32) void {
+    pass.vtable.setScissorRect(pass.ptr, x, y, width, height);
+}
+
 pub const Descriptor = struct {
     label: ?[*:0]const u8 = null,
     color_attachments: []const RenderPassColorAttachment,
@@ -178,5 +181,6 @@ test {
     _ = setIndexBuffer;
     _ = setLabel;
     _ = setPipeline;
+    _ = setPipeline;
     _ = Descriptor;
 }