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render perf improvement: BufferSubData, and don't use the same buffer back-to-back

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This commit is contained in:
Bob
2010-09-24 14:55:28 +12:00
parent c77c63a380
commit cdcfeb6276
7 changed files with 83 additions and 52 deletions
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31
OpenRA.Game/Graphics/Renderer.cs
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@@ -16,6 +16,7 @@ using OpenRA.FileFormats;
using OpenRA.FileFormats.Graphics;
using OpenRA.Support;
using System.Windows.Forms;
using System.Collections.Generic;
namespace OpenRA.Graphics
{
@@ -37,6 +38,12 @@ namespace OpenRA.Graphics
public readonly SpriteFont RegularFont, BoldFont, TitleFont;
internal const int TempBufferSize = 8192;
const int TempBufferCount = 8;
Queue<IVertexBuffer<Vertex>> tempBuffersV = new Queue<IVertexBuffer<Vertex>>();
Queue<IIndexBuffer> tempBuffersI = new Queue<IIndexBuffer>();
public Renderer()
{
SpriteShader = device.CreateShader(FileSystem.Open("shaders/world-shp.fx"));
@@ -52,6 +59,12 @@ namespace OpenRA.Graphics
RegularFont = new SpriteFont("FreeSans.ttf", 14);
BoldFont = new SpriteFont("FreeSansBold.ttf", 14);
TitleFont = new SpriteFont("titles.ttf", 48);
for( int i = 0 ; i < TempBufferCount ; i++ )
{
tempBuffersV.Enqueue( device.CreateVertexBuffer( TempBufferSize ) );
tempBuffersI.Enqueue( device.CreateIndexBuffer( TempBufferSize ) );
}
}
public IGraphicsDevice Device { get { return device; } }
@@ -116,10 +129,6 @@ namespace OpenRA.Graphics
LineRenderer.Flush();
}
static IGraphicsDevice device;
public static Size Resolution { get { return device.WindowSize; } }
@@ -154,5 +163,19 @@ namespace OpenRA.Graphics
}
throw new NotImplementedException();
}
internal IVertexBuffer<Vertex> GetTempVertexBuffer()
{
var ret = tempBuffersV.Dequeue();
tempBuffersV.Enqueue( ret );
return ret;
}
internal IIndexBuffer GetTempIndexBuffer()
{
var ret = tempBuffersI.Dequeue();
tempBuffersI.Enqueue( ret );
return ret;
}
}
}