4 files changed, 26 insertions, 0 deletions
diff --git a/src/Render.cpp b/src/Render.cpp
index 48114b0..148ec27 100644
--- a/src/Render.cpp
+++ b/src/Render.cpp
@@ -335,6 +335,22 @@ void Render::HandleEvents() {
                         break;
                     }
 
+                    case SDL_SCANCODE_F9: {
+                        if (sdlKeyMods & KMOD_CTRL) {
+                            renderBuff = 0;
+                        } else if (sdlKeyMods & KMOD_SHIFT) {
+                            renderBuff--;
+                            if (renderBuff < 0)
+                                renderBuff = 0;
+                        } else {
+                            renderBuff++;
+                            if (renderBuff > gbuffer->GetMaxRenderBuffers())
+                                renderBuff = 0;
+                        }
+                        gbuffer->SetRenderBuff(renderBuff);
+                        break;
+                    }
+
                     default:
                         break;
                 }
diff --git a/src/Render.hpp b/src/Render.hpp
index 379ca66..8bdcd63 100644
--- a/src/Render.hpp
+++ b/src/Render.hpp
@@ -48,6 +48,7 @@ class Render {
     Rml::Context* rmlContext;
     unsigned short sdlKeyMods = 0;
     bool hideRml = false;
+    size_t renderBuff = 0;
 
 	void SetMouseCapture(bool IsCaptured);
 
diff --git a/src/RenderConfigs.cpp b/src/RenderConfigs.cpp
index 86418c2..2867bc6 100644
--- a/src/RenderConfigs.cpp
+++ b/src/RenderConfigs.cpp
@@ -68,6 +68,7 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH) {
     lightPPC->AddStaticTexture("light", light);
     lightPPC->AddStaticTexture("depthStencil", depthStencil);
     lightPPC->AddShaderParameter("dayTime", Gal::Type::Float);
+    lightPPC->AddShaderParameter("renderBuff", Gal::Type::Int32);
 
     lightPPC->SetVertexShader(gal->LoadVertexShader(vertexSource));
     lightPPC->SetPixelShader(gal->LoadPixelShader(pixelSource));
diff --git a/src/RenderConfigs.hpp b/src/RenderConfigs.hpp
index 94e96bb..9b535ca 100644
--- a/src/RenderConfigs.hpp
+++ b/src/RenderConfigs.hpp
@@ -41,4 +41,12 @@ public:
     void SetDayTime(float dayTime) {
         lightPipeline->SetShaderParameter("dayTime", dayTime);
     }
+
+    int GetMaxRenderBuffers() {
+        return 5;
+    }
+
+    void SetRenderBuff(int renderBuff) {
+        lightPipeline->SetShaderParameter("renderBuff", renderBuff);
+    }
 };