Puja a C++20, restaura std::ranges::fill i elimina FRAGMENT_ENTRY no usat a macOS

CMakeLists.txt

@@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.10)
 project(shadertoy VERSION 1.00)
 
 # Estàndard de C++
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 
 # Política CMP0072: usar GLVND (libOpenGL/libGLX) en lloc de la libGL clàssica.

source/audio/jail_audio.cpp

@@ -418,7 +418,7 @@ namespace Ja {
         const float V = SDL_clamp(volume, 0.0F, 1.0F);
 
         if (group == -1) {
-            std::fill(std::begin(sound_volume_), std::end(sound_volume_), V);
+            std::ranges::fill(sound_volume_, V);
         } else if (group >= 0 && group < MAX_GROUPS) {
             sound_volume_[group] = V;
         } else {

source/rendering/sdl3gpu/sdl3gpu_shader_backend.cpp

@@ -14,7 +14,6 @@ namespace Rendering {
 #ifdef __APPLE__
         constexpr SDL_GPUShaderFormat SHADER_FORMAT = SDL_GPU_SHADERFORMAT_MSL;
         constexpr const char* VERTEX_ENTRY = "passthrough_vs";
-        constexpr const char* FRAGMENT_ENTRY = "test_fs";  // overridden per-shader (see loadShader)
         constexpr const char* VERTEX_SUFFIX = ".vert.msl";
         constexpr const char* FRAGMENT_SUFFIX = ".frag.msl";
 #else