From f906eb06c28880c20160cb4a969e3f6fddb3029b Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Wed, 21 Dec 2022 20:39:58 -0300
Subject: Implement a software ETC2 texture decoder (#4121)

* Implement a software ETC2 texture decoder

* Fix output size calculation for non-2D textures

* Address PR feedback
---
 Ryujinx.Graphics.Vulkan/VulkanRenderer.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'Ryujinx.Graphics.Vulkan/VulkanRenderer.cs')

diff --git a/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs b/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
index fa9d4cb0..a32400f5 100644
--- a/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
+++ b/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
@@ -388,6 +388,13 @@ namespace Ryujinx.Graphics.Vulkan
                 GAL.Format.Bc7Srgb,
                 GAL.Format.Bc7Unorm);
 
+            bool supportsEtc2CompressionFormat = FormatCapabilities.OptimalFormatsSupport(compressedFormatFeatureFlags,
+                GAL.Format.Etc2RgbaSrgb,
+                GAL.Format.Etc2RgbaUnorm,
+                GAL.Format.Etc2RgbPtaSrgb,
+                GAL.Format.Etc2RgbPtaUnorm,
+                GAL.Format.Etc2RgbSrgb,
+                GAL.Format.Etc2RgbUnorm);
 
             PhysicalDeviceVulkan12Features featuresVk12 = new PhysicalDeviceVulkan12Features()
             {
@@ -414,6 +421,7 @@ namespace Ryujinx.Graphics.Vulkan
                 supportsBc123Compression: supportsBc123CompressionFormat,
                 supportsBc45Compression: supportsBc45CompressionFormat,
                 supportsBc67Compression: supportsBc67CompressionFormat,
+                supportsEtc2Compression: supportsEtc2CompressionFormat,
                 supports3DTextureCompression: true,
                 supportsBgraFormat: true,
                 supportsR4G4Format: false,
-- 
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