diff --git a/src/rendering/water_renderer.cpp b/src/rendering/water_renderer.cpp
index 2bbff1a3..6dd0b26f 100644
--- a/src/rendering/water_renderer.cpp
+++ b/src/rendering/water_renderer.cpp
@@ -1142,10 +1142,14 @@ void WaterRenderer::captureSceneHistory(VkCommandBuffer cmd,
     };
 
     // Color source: final render pass layout is PRESENT_SRC.
+    // srcAccessMask must be COLOR_ATTACHMENT_WRITE (not 0) so that GPU cache flushes
+    // happen before the transfer read.  Using srcAccessMask=0 with BOTTOM_OF_PIPE
+    // causes VK_ERROR_DEVICE_LOST on strict drivers (AMD/Mali) because color writes
+    // are not made visible to the transfer unit before the copy begins.
     barrier2(srcColorImage, VK_IMAGE_ASPECT_COLOR_BIT,
              VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
-             0, VK_ACCESS_TRANSFER_READ_BIT,
-             VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT);
+             VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_TRANSFER_READ_BIT,
+             VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT);
     barrier2(sh.colorImage, VK_IMAGE_ASPECT_COLOR_BIT,
              VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
              VK_ACCESS_SHADER_READ_BIT, VK_ACCESS_TRANSFER_WRITE_BIT,
diff --git a/src/ui/game_screen.cpp b/src/ui/game_screen.cpp
index 712488cf..3c39bba3 100644
--- a/src/ui/game_screen.cpp
+++ b/src/ui/game_screen.cpp
@@ -15928,18 +15928,11 @@ void GameScreen::renderSettingsWindow() {
                     }
                 }
                 {
-                    bool fsrActive = renderer && (renderer->isFSREnabled() || renderer->isFSR2Enabled());
-                    if (!fsrActive && pendingWaterRefraction) {
-                        // FSR was disabled while refraction was on — auto-disable
-                        pendingWaterRefraction = false;
-                        if (renderer) renderer->setWaterRefractionEnabled(false);
-                    }
-                    if (!fsrActive) ImGui::BeginDisabled();
-                    if (ImGui::Checkbox("Water Refraction (requires FSR)", &pendingWaterRefraction)) {
+                    if (ImGui::Checkbox("Water Refraction", &pendingWaterRefraction)) {
                         if (renderer) renderer->setWaterRefractionEnabled(pendingWaterRefraction);
+                        updateGraphicsPresetFromCurrentSettings();
                         saveSettings();
                     }
-                    if (!fsrActive) ImGui::EndDisabled();
                 }
                 {
                     const char* aaLabels[] = { "Off", "2x MSAA", "4x MSAA", "8x MSAA" };