From 46c172e3241237634f88750512bb3a28db916db3 Mon Sep 17 00:00:00 2001
From: Tehsapper <tehsapper@mail.ru>
Date: Fri, 13 Dec 2024 20:05:46 +0900
Subject: [PATCH 1/2] allow composite pass gamma to be set

---
 include/limitless/renderer/composite_pass.hpp | 1 +
 shaders/pipeline/composite.frag               | 2 +-
 src/limitless/renderer/composite_pass.cpp     | 3 ++-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/limitless/renderer/composite_pass.hpp b/include/limitless/renderer/composite_pass.hpp
index cd4d7984..0315bf05 100644
--- a/include/limitless/renderer/composite_pass.hpp
+++ b/include/limitless/renderer/composite_pass.hpp
@@ -18,6 +18,7 @@ namespace Limitless {
         Framebuffer framebuffer;
     public:
         float tone_mapping_exposure = 1.0f;
+        float gamma = 1.f;
 
         explicit CompositePass(Renderer& renderer);
 
diff --git a/shaders/pipeline/composite.frag b/shaders/pipeline/composite.frag
index ee768d78..3c63fbcf 100644
--- a/shaders/pipeline/composite.frag
+++ b/shaders/pipeline/composite.frag
@@ -12,6 +12,7 @@ uniform sampler2D bloom;
 uniform sampler2D outline;
 uniform float bloom_strength;
 uniform float tone_mapping_exposure;
+uniform float gamma;
 
 void main() {
     vec3 bloom_color = texture(bloom, uv).rgb * bloom_strength;
@@ -21,7 +22,6 @@ void main() {
     color = toneMapping(color, tone_mapping_exposure);
 
     // apply gamma correction
-    float gamma = 2.2;
     color = pow(color, vec3(1.0 / gamma));
 
     // add objects outlining
diff --git a/src/limitless/renderer/composite_pass.cpp b/src/limitless/renderer/composite_pass.cpp
index f0c832d9..21c0241b 100644
--- a/src/limitless/renderer/composite_pass.cpp
+++ b/src/limitless/renderer/composite_pass.cpp
@@ -46,7 +46,8 @@ void CompositePass::render(
             shader.setUniform("bloom", bloom_pass.getResult())
                   .setUniform("outline", renderer.getPass<OutlinePass>().getResult())
                   .setUniform("bloom_strength", bloom_strength)
-                  .setUniform("tone_mapping_exposure", tone_mapping_exposure);
+                  .setUniform("tone_mapping_exposure", tone_mapping_exposure)
+                  .setUniform("gamma", gamma);
         }
 
         shader.use();

From 92dbb4b7c77c868d6ac8ba9cfc3b17cfd97d993b Mon Sep 17 00:00:00 2001
From: Tehsapper <tehsapper@mail.ru>
Date: Fri, 13 Dec 2024 20:09:09 +0900
Subject: [PATCH 2/2] revert default gamma to 2.2

---
 include/limitless/renderer/composite_pass.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/limitless/renderer/composite_pass.hpp b/include/limitless/renderer/composite_pass.hpp
index 0315bf05..3a0b4ddf 100644
--- a/include/limitless/renderer/composite_pass.hpp
+++ b/include/limitless/renderer/composite_pass.hpp
@@ -18,7 +18,7 @@ namespace Limitless {
         Framebuffer framebuffer;
     public:
         float tone_mapping_exposure = 1.0f;
-        float gamma = 1.f;
+        float gamma = 2.2f;
 
         explicit CompositePass(Renderer& renderer);