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libretro: quick fix so variable savestate sizes work

This commit is contained in:
zeromus 2017-06-11 13:07:31 -05:00
parent 77fa17ccdd
commit 0c2d4af1b2
1 changed files with 12 additions and 6 deletions
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18
BizHawk.Emulation.Cores/Libretro/LibretroCore.cs
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@ -122,11 +122,6 @@ namespace BizHawk.Emulation.Cores.Libretro
api.comm->env.fb_bufptr = (int*)vidBufferHandle.AddrOfPinnedObject().ToPointer();
//TODO: latch DAR? we may want to change it synchronously, or something
//TODO - libretro cores can return a varying serialize size over time. I tried to get them to write it in the docs...
//UPDATE: well, they wrote in the docs that they CANT. they can ask the frontend if it's supported. (we wont support it unless we have to)
savebuff = new byte[api.comm->env.retro_serialize_size];
savebuff2 = new byte[savebuff.Length + 13];
// TODO: more precise
VsyncNumerator = (int)(10000000 * api.comm->env.retro_system_av_info.timing.fps);
VsyncDenominator = 10000000;
@ -379,7 +374,12 @@ namespace BizHawk.Emulation.Cores.Libretro
public void SaveStateBinary(System.IO.BinaryWriter writer)
{
Console.WriteLine(api.comm->env.retro_serialize_size);
if (savebuff == null || savebuff.Length != api.comm->env.retro_serialize_size)
{
savebuff = new byte[api.comm->env.retro_serialize_size];
savebuff2 = new byte[savebuff.Length + 13];
}
api.CMD_Serialize(savebuff);
writer.Write(savebuff.Length);
writer.Write(savebuff);
@ -404,6 +404,12 @@ namespace BizHawk.Emulation.Cores.Libretro
public byte[] SaveStateBinary()
{
if (savebuff == null || savebuff.Length != api.comm->env.retro_serialize_size)
{
savebuff = new byte[api.comm->env.retro_serialize_size];
savebuff2 = new byte[savebuff.Length + 13];
}
var ms = new System.IO.MemoryStream(savebuff2, true);
var bw = new System.IO.BinaryWriter(ms);
SaveStateBinary(bw);