Format window title with copyright prefix and backend driver

src/defines.hpp

@@ -6,6 +6,9 @@
 // Nombre de la aplicación
 constexpr const char* APP_NAME = "Shadertoy";
 
+// Prefijo del título de la ventana (estilo aee_2026).
+constexpr const char* WINDOW_TITLE_PREFIX = "\xC2\xA9 2025 Shadertoy \xE2\x80\x94 JailDesigner";
+
 // Tamaño de ventana por defecto
 constexpr int WINDOW_WIDTH = 800;
 constexpr int WINDOW_HEIGHT = 800;

src/main.cpp

@@ -147,13 +147,24 @@ static void updateWindowTitle() {
         shaderName += " by " + shader_authors_[current_shader_index_];
     }
 
-    std::string title = std::string(APP_NAME) + " (" + shaderName + ")";
+    std::string title = WINDOW_TITLE_PREFIX;
+    title += " (";
+    title += shaderName;
 
-    if (current_fps_ > 0.0f) {
-        title += " - " + std::to_string(static_cast<int>(current_fps_ + 0.5f)) + " FPS";
+    if (backend_) {
+        title += " - ";
+        title += backend_->driverName();
     }
 
-    title += Options_video.vsync ? " [VSync ON]" : " [VSync OFF]";
+    if (current_fps_ > 0.0f) {
+        title += " - ";
+        title += std::to_string(static_cast<int>(current_fps_ + 0.5f)) + " FPS";
+    }
+
+    if (Options_video.vsync) {
+        title += " - VSync";
+    }
+    title += ")";
 
     SDL_SetWindowTitle(window_, title.c_str());
 }

src/rendering/opengl_shader_backend.hpp

@@ -16,7 +16,7 @@ namespace Rendering {
         void render(const ShaderUniforms& uniforms) override;
         void setVSync(bool vsync) override;
         void cleanup() override;
-        [[nodiscard]] auto driverName() const -> std::string override { return "OpenGL 3.3"; }
+        [[nodiscard]] auto driverName() const -> std::string override { return "OpenGL"; }
 
        private:
         auto createFeedbackFBO(int width, int height) -> bool;

src/rendering/sdl3gpu/sdl3gpu_shader_backend.cpp

@@ -49,7 +49,16 @@ namespace Rendering {
         SDL_SetGPUSwapchainParameters(device_, window_, SDL_GPU_SWAPCHAINCOMPOSITION_SDR, bestPresentMode());
 
         const char* name = SDL_GetGPUDeviceDriver(device_);
-        driver_name_ = (name != nullptr) ? std::string("SDL3 GPU/") + name : "SDL3 GPU";
+        const std::string raw = (name != nullptr) ? name : "GPU";
+        if (raw == "vulkan") { driver_name_ = "Vulkan"; }
+        else if (raw == "metal") { driver_name_ = "Metal"; }
+        else if (raw == "d3d12") { driver_name_ = "D3D12"; }
+        else if (!raw.empty()) {
+            driver_name_ = raw;
+            driver_name_[0] = static_cast<char>(std::toupper(static_cast<unsigned char>(driver_name_[0])));
+        } else {
+            driver_name_ = "GPU";
+        }
         logInfo("GPU driver: " + driver_name_);
         return true;
     }