From 9824b0c25bec1bc7cbc8c70817beb12b2400e366 Mon Sep 17 00:00:00 2001
From: Matthew <matthew@sleepy.day>
Date: Sun, 21 Dec 2025 21:00:59 +1100
Subject: [PATCH] add set scissor functions

---
 vulkan.d | 34 ++++++++++++++++++++++++++--------
 1 file changed, 26 insertions(+), 8 deletions(-)

diff --git a/vulkan.d b/vulkan.d
index 5c03964..cedabe1 100644
--- a/vulkan.d
+++ b/vulkan.d
@@ -1544,16 +1544,34 @@ BindPipeline(Vulkan* vk, VkCommandBuffer cmd, PipelineHandles* pipeline)
 
   vkCmdSetViewport(cmd, 0, 1, &viewport);
 
-  VkRect2D scissor = {
-    extent: {
-      width: vk.swapchain_extent.width,
-      height: vk.swapchain_extent.height,
-    },
-  };
-
-  vkCmdSetScissor(cmd, 0, 1, &scissor);
+	ResetScissor(vk, cmd);
 }
 
+void
+SetScissor(Vulkan* vk, u32 x, u32 y, u32 h, u32 w)
+{
+	VkRect2D scissor = {
+		offset: { x:     x, y:      y },
+		extent: { width: w, height: h },
+	};
+
+	vkCmdSetScissor(vk.cmds[vk.frame_index], 0, 1, &scissor);
+}
+
+void
+ResetScissor(Vulkan* vk, VkCommandBuffer cmd = cast(VkCommandBuffer)VK_NULL_HANDLE)
+{
+	cmd = cmd == VK_NULL_HANDLE ? vk.cmds[vk.frame_index] : cmd;
+
+	VkRect2D scissor = {
+		offset: { x:     0, y:      0 },
+		extent: { width: vk.swapchain_extent.width, height: vk.swapchain_extent.height },
+	};
+
+	vkCmdSetScissor(cmd, 0, 1, &scissor);
+}
+
+
 pragma(inline): void
 Transition(VkCommandBuffer cmd, VkImage image, VkImageLayout current_layout, VkImageLayout new_layout)
 {