renderer: minor fixups to uv calcs (#11375)

Fixes #11374

1 files changed, 12 insertions, 9 deletions

diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index cb6bd264..94a362de 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -1118,7 +1118,7 @@ void CHyprRenderer::calculateUVForSurface(PHLWINDOW pWindow, SP<CWLSurfaceResour
             if (!SCALE_UNAWARE && (EXPECTED_SIZE.x < projSize.x || EXPECTED_SIZE.y < projSize.y)) {
                 // this will not work with shm AFAIK, idk why.
                 // NOTE: this math is wrong if we have a source... or geom updates later, but I don't think we can do much
-                const auto FIX = projSize / EXPECTED_SIZE;
+                const auto FIX = (projSize / EXPECTED_SIZE).clamp(Vector2D{1, 1}, Vector2D{1000000, 1000000});
                 uvBR           = uvBR * FIX;
             }
         }
@@ -1137,26 +1137,29 @@ void CHyprRenderer::calculateUVForSurface(PHLWINDOW pWindow, SP<CWLSurfaceResour
 
         CBox geom = pWindow->m_xdgSurface->m_current.geometry;
 
-        // ignore X and Y, adjust uv
-        if (geom.x != 0 || geom.y != 0 || geom.width > projSizeUnscaled.x || geom.height > projSizeUnscaled.y) {
+        // Adjust UV based on the xdg_surface geometry
+        if (geom.x != 0 || geom.y != 0 || geom.w != 0 || geom.h != 0) {
             const auto XPERC = (double)geom.x / (double)pSurface->m_current.size.x;
             const auto YPERC = (double)geom.y / (double)pSurface->m_current.size.y;
-            const auto WPERC = (double)(geom.x + geom.width) / (double)pSurface->m_current.size.x;
-            const auto HPERC = (double)(geom.y + geom.height) / (double)pSurface->m_current.size.y;
+            const auto WPERC = (double)(geom.x + geom.w ? geom.w : pSurface->m_current.size.x) / (double)pSurface->m_current.size.x;
+            const auto HPERC = (double)(geom.y + geom.h ? geom.h : pSurface->m_current.size.y) / (double)pSurface->m_current.size.y;
 
             const auto TOADDTL = Vector2D(XPERC * (uvBR.x - uvTL.x), YPERC * (uvBR.y - uvTL.y));
             uvBR               = uvBR - Vector2D((1.0 - WPERC) * (uvBR.x - uvTL.x), (1.0 - HPERC) * (uvBR.y - uvTL.y));
             uvTL               = uvTL + TOADDTL;
+        }
 
+        // Adjust UV based on our animation progress
+        if (pSurface->m_current.size.x > projSizeUnscaled.x || pSurface->m_current.size.y > projSizeUnscaled.y) {
             auto maxSize = projSizeUnscaled;
 
             if (pWindow->m_wlSurface->small() && !pWindow->m_wlSurface->m_fillIgnoreSmall)
                 maxSize = pWindow->m_wlSurface->getViewporterCorrectedSize();
 
-            if (geom.width > maxSize.x)
-                uvBR.x = uvBR.x * (maxSize.x / geom.width);
-            if (geom.height > maxSize.y)
-                uvBR.y = uvBR.y * (maxSize.y / geom.height);
+            if (pSurface->m_current.size.x > maxSize.x)
+                uvBR.x = uvBR.x * (maxSize.x / pSurface->m_current.size.x);
+            if (pSurface->m_current.size.y > maxSize.y)
+                uvBR.y = uvBR.y * (maxSize.y / pSurface->m_current.size.y);
         }
 
         g_pHyprOpenGL->m_renderData.primarySurfaceUVTopLeft     = uvTL;