Shader CRT-Pi alternatiu en pipeline separat; selecció via config + presets (v0.6.0)

source/game/options.hpp

@@ -25,7 +25,9 @@ namespace Options {
 
     struct Shader {
         bool enabled{Defaults::Video::SHADER_ENABLED};
+        std::string current_shader{Defaults::Video::CURRENT_SHADER};  // "postfx" o "crtpi"
         std::string current_postfx_preset{Defaults::Video::POSTFX_DEFAULT_PRESET};
+        std::string current_crtpi_preset{Defaults::Video::CRTPI_DEFAULT_PRESET};
     };
 
     struct Video {
@@ -49,6 +51,25 @@ namespace Options {
         float flicker{0.0F};
     };
 
+    // Preset del shader CRT-Pi (un per entrada a crtpi.yaml).
+    struct CrtPiPreset {
+        std::string name;
+        float scanline_weight{6.0F};
+        float scanline_gap_brightness{0.12F};
+        float bloom_factor{3.5F};
+        float input_gamma{2.4F};
+        float output_gamma{2.2F};
+        float mask_brightness{0.80F};
+        float curvature_x{0.05F};
+        float curvature_y{0.10F};
+        int mask_type{2};
+        bool enable_scanlines{true};
+        bool enable_multisample{true};
+        bool enable_gamma{true};
+        bool enable_curvature{false};
+        bool enable_sharper{false};
+    };
+
     struct Music {
         bool enabled{Defaults::Audio::MUSIC_ENABLED};
         float volume{Defaults::Audio::MUSIC_VOLUME};
@@ -71,10 +92,12 @@ namespace Options {
     inline std::string config_version{};
     inline std::string config_file_path{};
     inline std::string postfx_file_path{};
+    inline std::string crtpi_file_path{};
     inline Window window{};
     inline Video video{};
     inline Audio audio{};
     inline std::vector<PostFXPreset> postfx_presets{};
+    inline std::vector<CrtPiPreset> crtpi_presets{};
 
     // --- API pública ---
     void setConfigFile(const std::string& path);
@@ -85,8 +108,14 @@ namespace Options {
     auto loadPostFXFromFile() -> bool;
     auto savePostFXToFile() -> bool;
 
+    void setCrtPiFile(const std::string& path);
+    auto loadCrtPiFromFile() -> bool;
+    auto saveCrtPiToFile() -> bool;
+
     // --- Builders per als subsistemes ---
     [[nodiscard]] auto buildScreenConfig() -> Screen::Config;
     [[nodiscard]] auto buildPostFXParams() -> Rendering::PostFXParams;
+    [[nodiscard]] auto buildCrtPiParams() -> Rendering::CrtPiParams;
+    [[nodiscard]] auto buildActiveShader() -> Rendering::ShaderType;
 
 }  // namespace Options