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render flag

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This commit is contained in:
pypy
2021-02-04 17:13:22 +09:00
parent 82bc457a91
commit ed681f4d08
1 changed files with 40 additions and 34 deletions
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74
OffScreenBrowser.cs
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@@ -20,6 +20,7 @@ namespace VRCX
private GCHandle _paintBuffer; private GCHandle _paintBuffer;
private int _width; private int _width;
private int _height; private int _height;
private bool _dirty;
public OffScreenBrowser(string address, int width, int height) public OffScreenBrowser(string address, int width, int height)
: base( : base(
@@ -61,53 +62,57 @@ namespace VRCX
public void RenderToTexture(Texture2D texture) public void RenderToTexture(Texture2D texture)
{ {
_paintBufferLock.EnterReadLock(); if (_dirty == true)
try
{ {
if (_width > 0 && _dirty = false;
_height > 0) _paintBufferLock.EnterReadLock();
try
{ {
var context = texture.Device.ImmediateContext; if (_width > 0 &&
var dataBox = context.MapSubresource( _height > 0)
texture,
0,
MapMode.WriteDiscard,
MapFlags.None
);
if (dataBox.IsEmpty == false)
{ {
var sourcePtr = _paintBuffer.AddrOfPinnedObject(); var context = texture.Device.ImmediateContext;
var destinationPtr = dataBox.DataPointer; var dataBox = context.MapSubresource(
var pitch = _width * 4; texture,
var rowPitch = dataBox.RowPitch; 0,
if (pitch == rowPitch) MapMode.WriteDiscard,
MapFlags.None
);
if (dataBox.IsEmpty == false)
{ {
WinApi.CopyMemory( var sourcePtr = _paintBuffer.AddrOfPinnedObject();
destinationPtr, var destinationPtr = dataBox.DataPointer;
sourcePtr, var pitch = _width * 4;
(uint)(_width * _height * 4) var rowPitch = dataBox.RowPitch;
); if (pitch == rowPitch)
}
else
{
for (var y = _height; y > 0; --y)
{ {
WinApi.CopyMemory( WinApi.CopyMemory(
destinationPtr, destinationPtr,
sourcePtr, sourcePtr,
(uint)pitch (uint)(_width * _height * 4)
); );
sourcePtr += pitch; }
destinationPtr += rowPitch; else
{
for (var y = _height; y > 0; --y)
{
WinApi.CopyMemory(
destinationPtr,
sourcePtr,
(uint)pitch
);
sourcePtr += pitch;
destinationPtr += rowPitch;
}
} }
} }
context.UnmapSubresource(texture, 0);
} }
context.UnmapSubresource(texture, 0);
} }
} finally
finally {
{ _paintBufferLock.ExitReadLock();
_paintBufferLock.ExitReadLock(); }
} }
} }
@@ -173,6 +178,7 @@ namespace VRCX
{ {
_paintBufferLock.ExitWriteLock(); _paintBufferLock.ExitWriteLock();
} }
_dirty = true;
} }
} }