add 'graphics.ssao' setting

src/graphics/render/WorldRenderer.cpp

@@ -445,11 +445,13 @@ void WorldRenderer::draw(
     }
 
     CompileTimeShaderSettings currentSettings {
-        gbufferPipeline, shadows
-    };
+        gbufferPipeline,
+        shadows,
+        settings.graphics.ssao.get() && gbufferPipeline};
     if (
         prevCTShaderSettings.advancedRender != currentSettings.advancedRender ||
-        prevCTShaderSettings.shadows != currentSettings.shadows
+        prevCTShaderSettings.shadows != currentSettings.shadows ||
+        prevCTShaderSettings.ssao != currentSettings.ssao
     ) {
         if (shadows) {
             Shader::preprocessor->define("ENABLE_SHADOWS", "true");
@@ -457,6 +459,12 @@ void WorldRenderer::draw(
             Shader::preprocessor->undefine("ENABLE_SHADOWS");
         }
 
+        if (currentSettings.ssao) {
+            Shader::preprocessor->define("ENABLE_SSAO", "true");
+        } else {
+            Shader::preprocessor->undefine("ENABLE_SSAO");
+        }
+
         if (gbufferPipeline) {
             Shader::preprocessor->define("ADVANCED_RENDER", "true");
         } else {

src/graphics/render/WorldRenderer.hpp

@@ -38,6 +38,7 @@ struct EngineSettings;
 struct CompileTimeShaderSettings {
     bool advancedRender = false;
     bool shadows = false;
+    bool ssao = false;
 };
 
 class WorldRenderer {

src/io/settings_io.cpp

@@ -75,6 +75,7 @@ SettingsHandler::SettingsHandler(EngineSettings& settings) {
     builder.add("chunk-max-vertices-dense", &settings.graphics.chunkMaxVerticesDense);
     builder.add("chunk-max-renderers", &settings.graphics.chunkMaxRenderers);
     builder.add("advanced-render", &settings.graphics.advancedRender);
+    builder.add("ssao", &settings.graphics.ssao);
     builder.add("shadows-quality", &settings.graphics.shadowsQuality);
 
     builder.section("ui");

src/settings.hpp

@@ -77,6 +77,8 @@ struct GraphicsSettings {
     IntegerSetting chunkMaxRenderers {6, -4, 32};
     /// @brief Advanced render pipeline
     FlagSetting advancedRender {true};
+    /// @brief Screen space ambient occlusion
+    FlagSetting ssao {true};
     /// @brief Shadows quality
     IntegerSetting shadowsQuality {0, 0, 3};
 };