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Support 3D ASTC textures (using 2D blocks)

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This commit is contained in:
gdkchan 2019-12-08 01:30:48 -03:00 committed by Thog
parent 6b13c5b439
commit 23b8a86d35
2 changed files with 6 additions and 15 deletions
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1
Ryujinx.Graphics.Gpu/Image/Texture.cs
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@ -257,7 +257,6 @@ namespace Ryujinx.Graphics.Gpu.Image
data,
_info.FormatInfo.BlockWidth,
_info.FormatInfo.BlockHeight,
1,
_info.Width,
_info.Height,
_depth,

20
Ryujinx.Graphics.Texture/Astc/AstcDecoder.cs
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@ -51,7 +51,6 @@ namespace Ryujinx.Graphics.Texture.Astc
Span<byte> data,
int blockWidth,
int blockHeight,
int blockDepth,
int width,
int height,
int depth,
@ -64,17 +63,6 @@ namespace Ryujinx.Graphics.Texture.Astc
{
BinaryReader binReader = new BinaryReader(inputStream);
if (blockWidth > 12 || blockHeight > 12)
{
throw new AstcDecoderException("Invalid block size.");
}
if (blockDepth != 1 || depth != 1)
{
// TODO: Support 3D textures.
throw new NotImplementedException("3D compressed textures are not unsupported.");
}
using (MemoryStream outputStream = new MemoryStream())
{
int blockIndex = 0;
@ -83,6 +71,9 @@ namespace Ryujinx.Graphics.Texture.Astc
for (int l = 0; l < levels; l++)
{
int sliceSize = width * height * 4;
for (int k = 0; k < depth; k++)
for (int j = 0; j < height; j += blockHeight)
for (int i = 0; i < width; i += blockWidth)
{
@ -100,7 +91,7 @@ namespace Ryujinx.Graphics.Texture.Astc
int decompressedWidth = Math.Min(blockWidth, width - i);
int decompressedHeight = Math.Min(blockHeight, height - j);
int baseOffset = mipOffset + (j * width + i) * 4;
int baseOffset = mipOffset + k * sliceSize + (j * width + i) * 4;
for (int jj = 0; jj < decompressedHeight; jj++)
{
@ -116,10 +107,11 @@ namespace Ryujinx.Graphics.Texture.Astc
blockIndex++;
}
mipOffset += width * height * 4;
mipOffset += sliceSize * depth;
width = Math.Max(1, width >> 1);
height = Math.Max(1, height >> 1);
depth = Math.Max(1, depth >> 1);
}
decoded = outputStream.ToArray();