Remove Half Conversion (#4106)

* Remove HalfConversion

* Update `CodeGenVersion`

Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs

@@ -22,7 +22,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         private const ushort FileFormatVersionMajor = 1;
         private const ushort FileFormatVersionMinor = 2;
         private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor;
-        private const uint CodeGenVersion = 4069;
+        private const uint CodeGenVersion = 4106;
 
         private const string SharedTocFileName = "shared.toc";
         private const string SharedDataFileName = "shared.data";

Ryujinx.Graphics.Shader/Translation/Optimizations/ConstantFolding.cs

@@ -262,7 +262,7 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
 
             value = (value >> operation.Index * 16) & 0xffff;
 
-            operation.TurnIntoCopy(ConstF(HalfConversion.HalfToSingle(value)));
+            operation.TurnIntoCopy(ConstF((float)BitConverter.UInt16BitsToHalf((ushort)value)));
         }
 
         private static void FPNegate(Operation operation)

Ryujinx.Graphics.Shader/Translation/Optimizations/HalfConversion.cs

@@ -1,47 +0,0 @@
-using System;
-
-namespace Ryujinx.Graphics.Shader.Translation.Optimizations
-{
-    static class HalfConversion
-    {
-        public static float HalfToSingle(int value)
-        {
-            int mantissa = (value >> 0)  & 0x3ff;
-            int exponent = (value >> 10) & 0x1f;
-            int sign     = (value >> 15) & 0x1;
-
-            if (exponent == 0x1f)
-            {
-                // NaN or Infinity.
-                mantissa <<= 13;
-                exponent   = 0xff;
-            }
-            else if (exponent != 0 || mantissa != 0 )
-            {
-                if (exponent == 0)
-                {
-                    // Denormal.
-                    int e = -1;
-                    int m = mantissa;
-
-                    do
-                    {
-                        e++;
-                        m <<= 1;
-                    }
-                    while ((m & 0x400) == 0);
-
-                    mantissa = m & 0x3ff;
-                    exponent = e;
-                }
-
-                mantissa <<= 13;
-                exponent   = 127 - 15 + exponent;
-            }
-
-            int output = (sign << 31) | (exponent << 23) | mantissa;
-
-            return BitConverter.Int32BitsToSingle(output);
-        }
-    }
-}

Ryujinx.Graphics.Vulkan/VulkanInitialization.cs

@@ -374,7 +374,24 @@ namespace Ryujinx.Graphics.Vulkan
             api.GetPhysicalDeviceProperties(physicalDevice, out var properties);
             bool useRobustBufferAccess = VendorUtils.FromId(properties.VendorID) == Vendor.Nvidia;
 
-            var supportedFeatures = api.GetPhysicalDeviceFeature(physicalDevice);
+            PhysicalDeviceFeatures2 features2 = new PhysicalDeviceFeatures2()
+            {
+                SType = StructureType.PhysicalDeviceFeatures2
+            };
+
+            PhysicalDeviceCustomBorderColorFeaturesEXT featuresCustomBorderColorSupported = new PhysicalDeviceCustomBorderColorFeaturesEXT()
+            {
+                SType = StructureType.PhysicalDeviceCustomBorderColorFeaturesExt
+            };
+
+            if (supportedExtensions.Contains("VK_EXT_custom_border_color"))
+            {
+                features2.PNext = &featuresCustomBorderColorSupported;
+            }
+
+            api.GetPhysicalDeviceFeatures2(physicalDevice, &features2);
+
+            var supportedFeatures = features2.Features;
 
             var features = new PhysicalDeviceFeatures()
             {
@@ -491,6 +508,23 @@ namespace Ryujinx.Graphics.Vulkan
                 pExtendedFeatures = &featuresSubgroupSizeControl;
             }
 
+            PhysicalDeviceCustomBorderColorFeaturesEXT featuresCustomBorderColor;
+
+            if (supportedExtensions.Contains("VK_EXT_custom_border_color") &&
+                featuresCustomBorderColorSupported.CustomBorderColors &&
+                featuresCustomBorderColorSupported.CustomBorderColorWithoutFormat)
+            {
+                featuresCustomBorderColor = new PhysicalDeviceCustomBorderColorFeaturesEXT()
+                {
+                    SType = StructureType.PhysicalDeviceCustomBorderColorFeaturesExt,
+                    PNext = pExtendedFeatures,
+                    CustomBorderColors = true,
+                    CustomBorderColorWithoutFormat = true,
+                };
+
+                pExtendedFeatures = &featuresCustomBorderColor;
+            }
+
             var enabledExtensions = RequiredExtensions.Union(DesirableExtensions.Intersect(supportedExtensions)).ToArray();
 
             IntPtr* ppEnabledExtensions = stackalloc IntPtr[enabledExtensions.Length];

Ryujinx.Graphics.Vulkan/VulkanRenderer.cs

@@ -177,6 +177,11 @@ namespace Ryujinx.Graphics.Vulkan
                 SType = StructureType.PhysicalDeviceShaderFloat16Int8Features
             };
 
+            PhysicalDeviceCustomBorderColorFeaturesEXT featuresCustomBorderColor = new PhysicalDeviceCustomBorderColorFeaturesEXT()
+            {
+                SType = StructureType.PhysicalDeviceCustomBorderColorFeaturesExt
+            };
+
             if (supportedExtensions.Contains("VK_EXT_robustness2"))
             {
                 features2.PNext = &featuresRobustness2;
@@ -188,8 +193,18 @@ namespace Ryujinx.Graphics.Vulkan
                 features2.PNext = &featuresShaderInt8;
             }
 
+            if (supportedExtensions.Contains("VK_EXT_custom_border_color"))
+            {
+                featuresCustomBorderColor.PNext = features2.PNext;
+                features2.PNext = &featuresCustomBorderColor;
+            }
+
             Api.GetPhysicalDeviceFeatures2(_physicalDevice, &features2);
 
+            bool customBorderColorSupported = supportedExtensions.Contains("VK_EXT_custom_border_color") &&
+                                              featuresCustomBorderColor.CustomBorderColors &&
+                                              featuresCustomBorderColor.CustomBorderColorWithoutFormat;
+
             ref var properties = ref properties2.Properties;
 
             SampleCountFlags supportedSampleCounts =
@@ -199,7 +214,7 @@ namespace Ryujinx.Graphics.Vulkan
 
             Capabilities = new HardwareCapabilities(
                 supportedExtensions.Contains("VK_EXT_index_type_uint8"),
-                supportedExtensions.Contains("VK_EXT_custom_border_color"),
+                customBorderColorSupported,
                 supportedExtensions.Contains(KhrDrawIndirectCount.ExtensionName),
                 supportedExtensions.Contains("VK_EXT_fragment_shader_interlock"),
                 supportedExtensions.Contains("VK_NV_geometry_shader_passthrough"),