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Set world framebuffer size based on minimum zoom.

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This avoids reallocating buffers each time the player changes zoom level.
This commit is contained in:
Paul Chote
2021-05-15 13:52:12 +01:00
committed by reaperrr
parent bb15bd20c0
commit 0735345674
9 changed files with 138 additions and 9 deletions
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31
OpenRA.Game/Graphics/HardwarePalette.cs
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@@ -18,15 +18,19 @@ namespace OpenRA.Graphics
public sealed class HardwarePalette : IDisposable
{
public ITexture Texture { get; private set; }
public ITexture ColorShifts { get; private set; }
public int Height { get; private set; }
readonly Dictionary<string, ImmutablePalette> palettes = new Dictionary<string, ImmutablePalette>();
readonly Dictionary<string, MutablePalette> mutablePalettes = new Dictionary<string, MutablePalette>();
readonly Dictionary<string, int> indices = new Dictionary<string, int>();
byte[] buffer = new byte[0];
float[] colorShiftBuffer = new float[0];
public HardwarePalette()
{
Texture = Game.Renderer.Context.CreateTexture();
ColorShifts = Game.Renderer.Context.CreateTexture();
}
public bool Contains(string name)
@@ -55,14 +59,18 @@ namespace OpenRA.Graphics
if (palettes.ContainsKey(name))
throw new InvalidOperationException($"Palette {name} has already been defined");
int index = palettes.Count;
// PERF: the first row in the palette textures is reserved as a placeholder for non-indexed sprites
// that do not have a color-shift applied. This provides a quick shortcut to avoid querying the
// color-shift texture for every pixel only to find that most are not shifted.
var index = palettes.Count + 1;
indices.Add(name, index);
palettes.Add(name, p);
if (palettes.Count > Height)
if (index >= Height)
{
Height = Exts.NextPowerOf2(palettes.Count);
Height = Exts.NextPowerOf2(index + 1);
Array.Resize(ref buffer, Height * Palette.Size * 4);
Array.Resize(ref colorShiftBuffer, Height * 4);
}
if (allowModifiers)
@@ -82,6 +90,21 @@ namespace OpenRA.Graphics
CopyBufferToTexture();
}
public void SetColorShift(string name, float hueOffset, float satOffset, float minHue, float maxHue)
{
var index = GetPaletteIndex(name);
colorShiftBuffer[4 * index + 0] = hueOffset;
colorShiftBuffer[4 * index + 1] = satOffset;
colorShiftBuffer[4 * index + 2] = minHue;
colorShiftBuffer[4 * index + 3] = maxHue;
}
public bool HasColorShift(string name)
{
var index = GetPaletteIndex(name);
return colorShiftBuffer[4 * index + 2] != 0 || colorShiftBuffer[4 * index + 3] != 0;
}
public void Initialize()
{
CopyModifiablePalettesToBuffer();
@@ -102,6 +125,7 @@ namespace OpenRA.Graphics
void CopyBufferToTexture()
{
Texture.SetData(buffer, Palette.Size, Height);
ColorShifts.SetFloatData(colorShiftBuffer, 1, Height);
}
public void ApplyModifiers(IEnumerable<IPaletteModifier> paletteMods)
@@ -125,6 +149,7 @@ namespace OpenRA.Graphics
public void Dispose()
{
Texture.Dispose();
ColorShifts.Dispose();
}
}
}