Ubershader: Add lighting shadergen override

include/config.hpp

@@ -20,6 +20,11 @@ struct EmulatorConfig {
 	bool discordRpcEnabled = false;
 	bool useUbershaders = ubershaderDefault;
 	bool accurateShaderMul = false;
+
+	// Toggles whether to force shadergen when there's more than N lights active and we're using the ubershader, for better performance
+	bool forceShadergenForLights = true;
+	int lightShadergenThreshold = 1;
+
 	RendererType rendererType = RendererType::OpenGL;
 	Audio::DSPCore::Type dspType = Audio::DSPCore::Type::Null;
 

include/renderer.hpp

@@ -20,6 +20,7 @@ enum class RendererType : s8 {
 	Software = 3,
 };
 
+struct EmulatorConfig;
 class GPU;
 struct SDL_Window;
 
@@ -46,6 +47,8 @@ class Renderer {
 	u32 outputWindowWidth = 400;
 	u32 outputWindowHeight = 240 * 2;
 
+	EmulatorConfig* emulatorConfig = nullptr;
+
   public:
 	Renderer(GPU& gpu, const std::array<u32, regNum>& internalRegs, const std::array<u32, extRegNum>& externalRegs);
 	virtual ~Renderer();
@@ -101,4 +104,6 @@ class Renderer {
 		outputWindowWidth = width;
 		outputWindowHeight = height;
 	}
+
+	void setConfig(EmulatorConfig* config) { emulatorConfig = config; }
 };

include/renderer_gl/renderer_gl.hpp

@@ -30,7 +30,7 @@ class RendererGL final : public Renderer {
 
 	OpenGL::VertexArray vao;
 	OpenGL::VertexBuffer vbo;
-	bool usingUbershader = true;
+	bool enableUbershader = true;
 
 	// Data 
 	struct {
@@ -110,7 +110,7 @@ class RendererGL final : public Renderer {
 	virtual std::string getUbershader() override;
 	virtual void setUbershader(const std::string& shader) override;
 
-	virtual void setUbershaderSetting(bool value) override { usingUbershader = value; }
+	virtual void setUbershaderSetting(bool value) override { enableUbershader = value; }
 	
 	std::optional<ColourBuffer> getColourBuffer(u32 addr, PICA::ColorFmt format, u32 width, u32 height, bool createIfnotFound = true);