renderer: disable anti-aliasing on cursor:zoom_factor (#6135) (#11828)

use nearest-neighbor filtering for cursor scaling to avoid blurriness

1 files changed, 10 insertions, 0 deletions

diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index 3cb810e1..e1ecdd2f 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -1760,6 +1760,16 @@ void CHyprOpenGLImpl::renderTexturePrimitive(SP<CTexture> tex, const CBox& box)
     glActiveTexture(GL_TEXTURE0);
     tex->bind();
 
+    // ensure the final blit uses the desired sampling filter
+    // when cursor zoom is active we want nearest-neighbor (no anti-aliasing)
+    if (m_renderData.useNearestNeighbor) {
+        tex->setTexParameter(GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+        tex->setTexParameter(GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    } else {
+        tex->setTexParameter(GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+        tex->setTexParameter(GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    }
+
     useProgram(shader->program);
     shader->setUniformMatrix3fv(SHADER_PROJ, 1, GL_TRUE, glMatrix.getMatrix());
     shader->setUniformInt(SHADER_TEX, 0);