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Add support for 32 bit BGRA sprites.

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This commit is contained in:
Paul Chote
2020-01-17 15:28:06 +00:00
committed by abcdefg30
parent cdbee49280
commit 1111ce4754
16 changed files with 122 additions and 29 deletions
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13
OpenRA.Game/Graphics/SequenceProvider.cs
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@@ -64,7 +64,7 @@ namespace OpenRA.Graphics
return Load(fileSystem, additionalSequences);
});
spriteCache = Exts.Lazy(() => new SpriteCache(fileSystem, modData.SpriteLoaders, new SheetBuilder(SheetType.Indexed)));
spriteCache = Exts.Lazy(() => new SpriteCache(fileSystem, modData.SpriteLoaders));
}
public ISpriteSequence GetSequence(string unitName, string sequenceName)
@@ -130,16 +130,21 @@ namespace OpenRA.Graphics
public void Preload()
{
SpriteCache.SheetBuilder.Current.CreateBuffer();
foreach (var sb in SpriteCache.SheetBuilders.Values)
sb.Current.CreateBuffer();
foreach (var unitSeq in sequences.Value.Values)
foreach (var seq in unitSeq.Value.Values) { }
SpriteCache.SheetBuilder.Current.ReleaseBuffer();
foreach (var sb in SpriteCache.SheetBuilders.Values)
sb.Current.ReleaseBuffer();
}
public void Dispose()
{
if (spriteCache.IsValueCreated)
spriteCache.Value.SheetBuilder.Dispose();
foreach (var sb in SpriteCache.SheetBuilders.Values)
sb.Dispose();
}
}
}

12
OpenRA.Game/Graphics/Sheet.cs
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@@ -79,7 +79,17 @@ namespace OpenRA.Graphics
public Png AsPng()
{
return new Png(GetData(), Size.Width, Size.Height);
var data = GetData();
// Convert BGRA to RGBA
for (var i = 0; i < Size.Width * Size.Height; i++)
{
var temp = data[i * 4];
data[i * 4] = data[i * 4 + 2];
data[i * 4 + 2] = temp;
}
return new Png(data, Size.Width, Size.Height);
}
public Png AsPng(TextureChannel channel, IPalette pal)

10
OpenRA.Game/Graphics/SheetBuilder.cs
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@@ -47,6 +47,16 @@ namespace OpenRA.Graphics
return new Sheet(type, new Size(sheetSize, sheetSize));
}
public static SheetType FrameTypeToSheetType(SpriteFrameType t)
{
switch (t)
{
case SpriteFrameType.Indexed: return SheetType.Indexed;
case SpriteFrameType.BGRA: return SheetType.BGRA;
default: throw new NotImplementedException("Unknown SpriteFrameType {0}".F(t));
}
}
public SheetBuilder(SheetType t)
: this(t, Game.Settings.Graphics.SheetSize) { }

15
OpenRA.Game/Graphics/SpriteLoader.cs
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@@ -18,6 +18,8 @@ using OpenRA.Primitives;
namespace OpenRA.Graphics
{
public enum SpriteFrameType { Indexed, BGRA }
public interface ISpriteLoader
{
bool TryParseSprite(Stream s, out ISpriteFrame[] frames, out TypeDictionary metadata);
@@ -25,6 +27,8 @@ namespace OpenRA.Graphics
public interface ISpriteFrame
{
SpriteFrameType Type { get; }
/// <summary>
/// Size of the frame's `Data`.
/// </summary>
@@ -43,7 +47,7 @@ namespace OpenRA.Graphics
public class SpriteCache
{
public readonly SheetBuilder SheetBuilder;
public readonly Cache<SpriteFrameType, SheetBuilder> SheetBuilders;
readonly ISpriteLoader[] loaders;
readonly IReadOnlyFileSystem fileSystem;
@@ -51,9 +55,10 @@ namespace OpenRA.Graphics
readonly Dictionary<string, ISpriteFrame[]> unloadedFrames = new Dictionary<string, ISpriteFrame[]>();
readonly Dictionary<string, TypeDictionary> metadata = new Dictionary<string, TypeDictionary>();
public SpriteCache(IReadOnlyFileSystem fileSystem, ISpriteLoader[] loaders, SheetBuilder sheetBuilder)
public SpriteCache(IReadOnlyFileSystem fileSystem, ISpriteLoader[] loaders)
{
SheetBuilder = sheetBuilder;
SheetBuilders = new Cache<SpriteFrameType, SheetBuilder>(t => new SheetBuilder(SheetBuilder.FrameTypeToSheetType(t)));
this.fileSystem = fileSystem;
this.loaders = loaders;
}
@@ -89,7 +94,7 @@ namespace OpenRA.Graphics
allSprites.Add(sprite);
}
// HACK: The sequency code relies on side-effects from getUsedFrames
// HACK: The sequence code relies on side-effects from getUsedFrames
var indices = getUsedFrames != null ? getUsedFrames(sprite.Length) :
Enumerable.Range(0, sprite.Length);
@@ -100,7 +105,7 @@ namespace OpenRA.Graphics
{
if (unloaded[i] != null)
{
sprite[i] = SheetBuilder.Add(unloaded[i]);
sprite[i] = SheetBuilders[unloaded[i].Type].Add(unloaded[i]);
unloaded[i] = null;
}
}

15
OpenRA.Game/Graphics/Theater.cs
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@@ -11,6 +11,7 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using OpenRA.Primitives;
using OpenRA.Support;
@@ -34,7 +35,7 @@ namespace OpenRA.Graphics
public sealed class Theater : IDisposable
{
readonly Dictionary<ushort, TheaterTemplate> templates = new Dictionary<ushort, TheaterTemplate>();
readonly SheetBuilder sheetBuilder;
SheetBuilder sheetBuilder;
readonly Sprite missingTile;
readonly MersenneTwister random;
TileSet tileset;
@@ -53,7 +54,6 @@ namespace OpenRA.Graphics
return new Sheet(SheetType.Indexed, new Size(tileset.SheetSize, tileset.SheetSize));
};
sheetBuilder = new SheetBuilder(SheetType.Indexed, allocate);
random = new MersenneTwister();
var frameCache = new FrameCache(Game.ModData.DefaultFileSystem, Game.ModData.SpriteLoaders);
@@ -75,6 +75,15 @@ namespace OpenRA.Graphics
var zOffset = tile != null ? -tile.ZOffset : 0;
var zRamp = tile != null ? tile.ZRamp : 1f;
var offset = new float3(f.Offset, zOffset);
var type = SheetBuilder.FrameTypeToSheetType(f.Type);
// Defer SheetBuilder creation until we know what type of frames we are loading!
// TODO: Support mixed indexed and BGRA frames
if (sheetBuilder == null)
sheetBuilder = new SheetBuilder(SheetBuilder.FrameTypeToSheetType(f.Type), allocate);
else if (type != sheetBuilder.Type)
throw new InvalidDataException("Sprite type mismatch. Terrain sprites must all be either Indexed or RGBA.");
var s = sheetBuilder.Allocate(f.Size, zRamp, offset);
Util.FastCopyIntoChannel(s, f.Data);
@@ -102,7 +111,7 @@ namespace OpenRA.Graphics
}
// 1x1px transparent tile
missingTile = sheetBuilder.Add(new byte[1], new Size(1, 1));
missingTile = sheetBuilder.Add(new byte[sheetBuilder.Type == SheetType.BGRA ? 4 : 1], new Size(1, 1));
Sheet.ReleaseBuffer();
}

57
OpenRA.Game/Graphics/Util.cs
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@@ -61,23 +61,56 @@ namespace OpenRA.Graphics
public static void FastCopyIntoChannel(Sprite dest, byte[] src)
{
var data = dest.Sheet.GetData();
var srcStride = dest.Bounds.Width;
var destStride = dest.Sheet.Size.Width * 4;
var destOffset = destStride * dest.Bounds.Top + dest.Bounds.Left * 4 + ChannelMasks[(int)dest.Channel];
var destSkip = destStride - 4 * srcStride;
var destData = dest.Sheet.GetData();
var width = dest.Bounds.Width;
var height = dest.Bounds.Height;
var srcOffset = 0;
for (var j = 0; j < height; j++)
if (dest.Channel == TextureChannel.RGBA)
{
for (var i = 0; i < srcStride; i++, srcOffset++)
var destStride = dest.Sheet.Size.Width;
unsafe
{
data[destOffset] = src[srcOffset];
destOffset += 4;
}
// Cast the data to an int array so we can copy the src data directly
fixed (byte* bd = &destData[0])
{
var data = (int*)bd;
var x = dest.Bounds.Left;
var y = dest.Bounds.Top;
destOffset += destSkip;
var k = 0;
for (var j = 0; j < height; j++)
{
for (var i = 0; i < width; i++)
{
var r = src[k++];
var g = src[k++];
var b = src[k++];
var a = src[k++];
var cc = Color.FromArgb(a, r, g, b);
data[(y + j) * destStride + x + i] = PremultiplyAlpha(cc).ToArgb();
}
}
}
}
}
else
{
var destStride = dest.Sheet.Size.Width * 4;
var destOffset = destStride * dest.Bounds.Top + dest.Bounds.Left * 4 + ChannelMasks[(int)dest.Channel];
var destSkip = destStride - 4 * width;
var srcOffset = 0;
for (var j = 0; j < height; j++)
{
for (var i = 0; i < width; i++, srcOffset++)
{
destData[destOffset] = src[srcOffset];
destOffset += 4;
}
destOffset += destSkip;
}
}
}