From 42c75dbb8f9472f434d0324a37a87e91ee7b50f3 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sat, 22 Jan 2022 15:23:00 -0300
Subject: Add support for BC1/2/3 decompression (for 3D textures) (#2987)
* Add support for BC1/2/3 decompression (for 3D textures)
* Optimize and clean up
* Unsafe not needed here
* Fix alpha value interpolation when a0 <= a1
---
Ryujinx.Graphics.Gpu/Image/TextureCompatibility.cs | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
(limited to 'Ryujinx.Graphics.Gpu/Image/TextureCompatibility.cs')
diff --git a/Ryujinx.Graphics.Gpu/Image/TextureCompatibility.cs b/Ryujinx.Graphics.Gpu/Image/TextureCompatibility.cs
index 0461a81f..188e1e09 100644
--- a/Ryujinx.Graphics.Gpu/Image/TextureCompatibility.cs
+++ b/Ryujinx.Graphics.Gpu/Image/TextureCompatibility.cs
@@ -14,9 +14,6 @@ namespace Ryujinx.Graphics.Gpu.Image
private enum FormatClass
{
Unclassified,
- BCn64,
- BCn128,
- Bc1Rgb,
Bc1Rgba,
Bc2,
Bc3,
@@ -88,13 +85,21 @@ namespace Ryujinx.Graphics.Gpu.Image
return new FormatInfo(Format.R4G4B4A4Unorm, 1, 1, 2, 4);
}
- if (info.Target == Target.Texture3D)
+ if (!caps.Supports3DTextureCompression && info.Target == Target.Texture3D)
{
- // The host API does not support 3D BC4/BC5 compressed formats.
+ // The host API does not support 3D compressed formats.
// We assume software decompression will be done for those textures,
// and so we adjust the format here to match the decompressor output.
switch (info.FormatInfo.Format)
{
+ case Format.Bc1RgbaSrgb:
+ case Format.Bc2Srgb:
+ case Format.Bc3Srgb:
+ return new FormatInfo(Format.R8G8B8A8Srgb, 1, 1, 4, 4);
+ case Format.Bc1RgbaUnorm:
+ case Format.Bc2Unorm:
+ case Format.Bc3Unorm:
+ return new FormatInfo(Format.R8G8B8A8Unorm, 1, 1, 4, 4);
case Format.Bc4Unorm:
return new FormatInfo(Format.R8Unorm, 1, 1, 1, 1);
case Format.Bc4Snorm:
@@ -749,9 +754,6 @@ namespace Ryujinx.Graphics.Gpu.Image
{
switch (format)
{
- case Format.Bc1RgbSrgb:
- case Format.Bc1RgbUnorm:
- return FormatClass.Bc1Rgb;
case Format.Bc1RgbaSrgb:
case Format.Bc1RgbaUnorm:
return FormatClass.Bc1Rgba;
--
cgit v1.2.3-70-g09d2