Settings: Add Default renderer option

src/core/settings.cpp

@@ -894,9 +894,11 @@ const char* Settings::GetCPUFastmemModeDisplayName(CPUFastmemMode mode)
   return Host::TranslateToCString("CPUFastmemMode", s_cpu_fastmem_mode_display_names[static_cast<u8>(mode)]);
 }
 
-static constexpr auto s_gpu_renderer_names = make_array(
+static constexpr std::array<const char*, static_cast<u32>(GPURenderer::Count)> s_gpu_renderer_names = {{
+  "Automatic",
 #ifdef _WIN32
-  "D3D11", "D3D12",
+  "D3D11",
+  "D3D12",
 #endif
 #ifdef __APPLE__
   "Metal",
@@ -907,10 +909,13 @@ static constexpr auto s_gpu_renderer_names = make_array(
 #ifdef ENABLE_OPENGL
   "OpenGL",
 #endif
-  "Software");
-static constexpr auto s_gpu_renderer_display_names = make_array(
+  "Software",
+}};
+static constexpr std::array<const char*, static_cast<u32>(GPURenderer::Count)> s_gpu_renderer_display_names = {{
+  TRANSLATE_NOOP("GPURenderer", "Automatic"),
 #ifdef _WIN32
-  TRANSLATE_NOOP("GPURenderer", "Hardware (D3D11)"), TRANSLATE_NOOP("GPURenderer", "Hardware (D3D12)"),
+  TRANSLATE_NOOP("GPURenderer", "Hardware (D3D11)"),
+  TRANSLATE_NOOP("GPURenderer", "Hardware (D3D12)"),
 #endif
 #ifdef __APPLE__
   TRANSLATE_NOOP("GPURenderer", "Hardware (Metal)"),
@@ -921,7 +926,8 @@ static constexpr auto s_gpu_renderer_display_names = make_array(
 #ifdef ENABLE_OPENGL
   TRANSLATE_NOOP("GPURenderer", "Hardware (OpenGL)"),
 #endif
-  TRANSLATE_NOOP("GPURenderer", "Software"));
+  TRANSLATE_NOOP("GPURenderer", "Software"),
+}};
 
 std::optional<GPURenderer> Settings::ParseRendererName(const char* str)
 {
@@ -969,6 +975,7 @@ RenderAPI Settings::GetRenderAPIForRenderer(GPURenderer renderer)
       return RenderAPI::OpenGL;
 #endif
     case GPURenderer::Software:
+    case GPURenderer::Automatic:
     default:
       return GPUDevice::GetPreferredAPI();
   }

src/core/settings.h

@@ -412,19 +412,7 @@ struct Settings
   static const char* GetMultitapModeDisplayName(MultitapMode mode);
 
   // Default to D3D11 on Windows as it's more performant and at this point, less buggy.
-#if defined(_WIN32) && defined(_M_ARM64)
-  static constexpr GPURenderer DEFAULT_GPU_RENDERER = GPURenderer::HardwareD3D12;
-#elif defined(_WIN32)
-  static constexpr GPURenderer DEFAULT_GPU_RENDERER = GPURenderer::HardwareD3D11;
-#elif defined(__APPLE__)
-  static constexpr GPURenderer DEFAULT_GPU_RENDERER = GPURenderer::HardwareMetal;
-#elif defined(ENABLE_OPENGL)
-  static constexpr GPURenderer DEFAULT_GPU_RENDERER = GPURenderer::HardwareOpenGL;
-#elif defined(ENABLE_VULKAN)
-  static constexpr GPURenderer DEFAULT_GPU_RENDERER = GPURenderer::HardwareVulkan;
-#else
-  static constexpr GPURenderer DEFAULT_GPU_RENDERER = GPURenderer::Software;
-#endif
+  static constexpr GPURenderer DEFAULT_GPU_RENDERER = GPURenderer::Automatic;
   static constexpr GPUTextureFilter DEFAULT_GPU_TEXTURE_FILTER = GPUTextureFilter::Nearest;
   static constexpr GPUDownsampleMode DEFAULT_GPU_DOWNSAMPLE_MODE = GPUDownsampleMode::Disabled;
   static constexpr GPUWireframeMode DEFAULT_GPU_WIREFRAME_MODE = GPUWireframeMode::Disabled;

src/core/types.h

@@ -58,6 +58,7 @@ enum class PGXPMode : u8
 
 enum class GPURenderer : u8
 {
+  Automatic,
 #ifdef _WIN32
   HardwareD3D11,
   HardwareD3D12,

src/util/gpu_device.cpp

@@ -176,10 +176,24 @@ GPUDevice::~GPUDevice() = default;
 
 RenderAPI GPUDevice::GetPreferredAPI()
 {
-#ifdef _WIN32
+#if defined(_WIN32) && !defined(_M_ARM64)
+  // Perfer DX11 on Windows, except ARM64, where QCom has slow DX11 drivers.
   return RenderAPI::D3D11;
-#else
+#elif defined(_WIN32) && defined(_M_ARM64)
+  return RenderAPI::D3D12;
+#elif defined(__APPLE__)
+  // Prefer Metal on MacOS.
   return RenderAPI::Metal;
+#elif defined(ENABLE_OPENGL) && defined(ENABLE_VULKAN)
+  // On Linux, if we have both GL and Vulkan, prefer VK if the driver isn't software.
+  return VulkanDevice::IsSuitableDefaultRenderer() ? RenderAPI::Vulkan : RenderAPI::OpenGL;
+#elif defined(ENABLE_OPENGL)
+  return RenderAPI::OpenGL;
+#elif defined(ENABLE_VULKAN)
+  return RenderAPI::Vulkan;
+#else
+  // Uhhh, what?
+  return RenderAPI::None;
 #endif
 }