diff --git a/src/core/sampler.cpp b/src/core/sampler.cpp
index 729fac5..768d0c8 100644
--- a/src/core/sampler.cpp
+++ b/src/core/sampler.cpp
@@ -13,6 +13,7 @@ Sampler::Sampler(const Device& device, VkSamplerAddressMode mode) {
         .addressModeU = mode,
         .addressModeV = mode,
         .addressModeW = mode,
+        .compareOp = mode == VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE ? VK_COMPARE_OP_ALWAYS : VK_COMPARE_OP_NEVER,
         .maxLod = 15.99609F
     };
     VkSampler samplerHandle{};
diff --git a/src/lsfg.cpp b/src/lsfg.cpp
index 1bf488e..90b75c4 100644
--- a/src/lsfg.cpp
+++ b/src/lsfg.cpp
@@ -2,6 +2,7 @@
 #include "core/commandbuffer.hpp"
 #include "core/fence.hpp"
 #include "core/image.hpp"
+#include "utils.hpp"
 
 #include <cassert>
 #include <format>
@@ -30,14 +31,14 @@ Generator::Generator(const Context& context) {
             this->downsampleChain.getOutImages().at(i));
     this->betaChain = Shaderchains::Beta(context.device, context.descPool,
         this->alphaChains.at(0).getOutImages0(),
-        this->alphaChains.at(0).getOutImages2(),
-        this->alphaChains.at(0).getOutImages1());
+        this->alphaChains.at(0).getOutImages1(),
+        this->alphaChains.at(0).getOutImages2());
     for (size_t i = 0; i < 7; i++) {
         if (i < 4) {
             this->gammaChains.at(i) = Shaderchains::Gamma(context.device, context.descPool,
                 this->alphaChains.at(6 - i).getOutImages0(),
-                this->alphaChains.at(6 - i).getOutImages2(),
                 this->alphaChains.at(6 - i).getOutImages1(),
+                this->alphaChains.at(6 - i).getOutImages2(),
                 this->betaChain.getOutImages().at(std::min(5UL, 6 - i)),
                 i == 0 ? std::nullopt
                        : std::optional{this->gammaChains.at(i - 1).getOutImage2()},
@@ -48,8 +49,8 @@ Generator::Generator(const Context& context) {
         } else {
             this->magicChains.at(i - 4) = Shaderchains::Magic(context.device, context.descPool,
                 this->alphaChains.at(6 - i).getOutImages0(),
-                this->alphaChains.at(6 - i).getOutImages2(),
                 this->alphaChains.at(6 - i).getOutImages1(),
+                this->alphaChains.at(6 - i).getOutImages2(),
                 i == 4 ? this->gammaChains.at(i - 1).getOutImage2()
                        : this->extractChains.at(i - 5).getOutImage(),
                 i == 4 ? this->gammaChains.at(i - 1).getOutImage1()
@@ -92,10 +93,6 @@ Generator::Generator(const Context& context) {
 }
 
 void Generator::present(const Context& context) {
-    // TEST: upload input images
-    // TODO: implement test, lol
-    // TEST END
-
     Core::CommandBuffer cmdBuffer(context.device, context.cmdPool);
     cmdBuffer.begin();
 
@@ -117,12 +114,6 @@ void Generator::present(const Context& context) {
 
     cmdBuffer.end();
 
-    // TEST: temporary fence submit logic
-    Core::Fence fence(context.device);
-    cmdBuffer.submit(context.device.getComputeQueue(), fence);
-    assert(fence.wait(context.device));
-    // TEST END
-
     fc++;
 }