From 8662ecba03bb4b4626963c080aa9353a6aa38854 Mon Sep 17 00:00:00 2001
From: UjinT34 <41110182+UjinT34@users.noreply.github.com>
Date: Wed, 11 Mar 2026 23:48:48 +0300
Subject: renderer: fix share window projection (#13695)

---
 src/render/Renderer.cpp | 5 ++++-
 src/render/Renderer.hpp | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/render')

diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index bf3740da..b79ca13f 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -2129,6 +2129,7 @@ void IHyprRenderer::setProjectionType(eRenderProjectionType projectionType) {
         case RPT_MONITOR: m_renderData.targetProjection = m_renderData.pMonitor->getTransformMatrix(); break;
         case RPT_MIRROR: m_renderData.targetProjection = getMirrorProjection(m_renderData.pMonitor); break;
         case RPT_FB: m_renderData.targetProjection = getFBProjection(m_renderData.pMonitor, m_renderData.fbSize); break;
+        case RPT_EXPORT: m_renderData.targetProjection = Mat3x3::identity(); break;
         default: UNREACHABLE();
     }
 }
@@ -2140,7 +2141,9 @@ Mat3x3 IHyprRenderer::getBoxProjection(const CBox& box, std::optional<eTransform
 }
 
 Mat3x3 IHyprRenderer::projectBoxToTarget(const CBox& box, std::optional<eTransform> transform) {
-    return m_renderData.pMonitor->getScaleMatrix().copy().multiply(getBoxProjection(box, transform));
+    return (m_renderData.projectionType == RPT_EXPORT ? Mat3x3::outputProjection(m_renderData.fbSize, HYPRUTILS_TRANSFORM_NORMAL) : m_renderData.pMonitor->getScaleMatrix())
+        .copy()
+        .multiply(getBoxProjection(box, transform));
 }
 
 SP<ITexture> IHyprRenderer::blurMainFramebuffer(float a, CRegion* originalDamage) {
diff --git a/src/render/Renderer.hpp b/src/render/Renderer.hpp
index 1d099ee3..6f92dc50 100644
--- a/src/render/Renderer.hpp
+++ b/src/render/Renderer.hpp
@@ -77,6 +77,7 @@ enum eRenderProjectionType : uint8_t {
     RPT_MONITOR,
     RPT_MIRROR,
     RPT_FB,
+    RPT_EXPORT,
 };
 
 struct SRenderData {
-- 
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