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double-buffer main emulation display texture. maybe this will help improve performance on some finnicky video cards.

This commit is contained in:
zeromus 2014-01-30 04:46:59 +00:00
parent b7a053f7da
commit c922dde1ee
1 changed files with 27 additions and 7 deletions
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34
BizHawk.Client.EmuHawk/DisplayManager/TextureFrugalizer.cs
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@ -1,4 +1,6 @@
using System; using System;
using System.Collections.Generic;
using BizHawk.Common; using BizHawk.Common;
using BizHawk.Emulation.Common; using BizHawk.Emulation.Common;
using BizHawk.Client.Common; using BizHawk.Client.Common;
@ -8,7 +10,7 @@ using BizHawk.Bizware.BizwareGL;
namespace BizHawk.Client.EmuHawk namespace BizHawk.Client.EmuHawk
{ {
/// <summary> /// <summary>
/// Recycles a temporary texture to contain a BitmapBuffer's or DisplaySurface's contents, as long as the dimensions match. /// Recycles a pair of temporary textures (in case double-buffering helps any) to contain a BitmapBuffer's or DisplaySurface's contents, as long as the dimensions match.
/// When the dimensions dont match, a new one will be allocated /// When the dimensions dont match, a new one will be allocated
/// </summary> /// </summary>
class TextureFrugalizer : IDisposable class TextureFrugalizer : IDisposable
@ -16,19 +18,26 @@ namespace BizHawk.Client.EmuHawk
public TextureFrugalizer(IGL gl) public TextureFrugalizer(IGL gl)
{ {
GL = gl; GL = gl;
ResetList();
} }
public void Dispose() public void Dispose()
{ {
if (CurrentTexture != null) foreach (var ct in CurrentTextures)
{ if(ct != null)
CurrentTexture.Dispose(); ct.Dispose();
CurrentTexture = null; ResetList();
} }
void ResetList()
{
CurrentTextures = new List<Texture2d>();
CurrentTextures.Add(null);
CurrentTextures.Add(null);
} }
IGL GL; IGL GL;
Texture2d CurrentTexture; List<Texture2d> CurrentTextures;
public Texture2d Get(DisplaySurface ds) public Texture2d Get(DisplaySurface ds)
{ {
@ -39,17 +48,28 @@ namespace BizHawk.Client.EmuHawk
} }
public Texture2d Get(BitmapBuffer bb) public Texture2d Get(BitmapBuffer bb)
{ {
//get the current entry
Texture2d CurrentTexture = CurrentTextures[0];
//check if its rotten and needs recreating
if (CurrentTexture == null || CurrentTexture.IntWidth != bb.Width || CurrentTexture.IntHeight != bb.Height) if (CurrentTexture == null || CurrentTexture.IntWidth != bb.Width || CurrentTexture.IntHeight != bb.Height)
{ {
//needs recreating. be sure to kill the old one...
if (CurrentTexture != null) if (CurrentTexture != null)
CurrentTexture.Dispose(); CurrentTexture.Dispose();
//and make a new one
CurrentTexture = GL.LoadTexture(bb); CurrentTexture = GL.LoadTexture(bb);
} }
else else
{ {
//its good! just load in the data
GL.LoadTextureData(CurrentTexture, bb); GL.LoadTextureData(CurrentTexture, bb);
} }
//now shuffle the buffers
CurrentTextures.Insert(0,CurrentTextures[1]);
CurrentTextures[1] = CurrentTexture;
return CurrentTexture; return CurrentTexture;
} }
} }