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使用纹理缩放减少CPU使用，加速截屏时间

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snltty
2023-10-13 23:00:15 +08:00
parent 7bebf3ae76
commit fdcb07ae65
1 changed files with 9 additions and 8 deletions
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17
cmonitor/server/client/reports/screen/sharpDX/DesktopDuplicator.cs
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@@ -31,7 +31,10 @@ namespace cmonitor.server.client.reports.screen.sharpDX
public DesktopDuplicator(int whichGraphicsCardAdapter, int whichOutputDevice)
{
InitCapture(whichGraphicsCardAdapter, whichOutputDevice);
if (OperatingSystem.IsWindows())
{
InitCapture(whichGraphicsCardAdapter, whichOutputDevice);
}
}
private void InitCapture(int whichGraphicsCardAdapter, int whichOutputDevice)
@@ -112,7 +115,10 @@ namespace cmonitor.server.client.reports.screen.sharpDX
DesktopFrame frame = new DesktopFrame() { FullImage = Helper.EmptyArray, RegionImage = Helper.EmptyArray };
bool retrievalTimedOut = RetrieveFrame(frame, configScale);
if (retrievalTimedOut)
{
return null;
}
try
{
RetrieveFrameMetadata(frame);
@@ -250,7 +256,7 @@ namespace cmonitor.server.client.reports.screen.sharpDX
int sourceSubresource = frame.Width / width;
if (sourceSubresource >= 1)
{
while (sourceSubresource>0 && smallerTexture.Description.Width / (1 << sourceSubresource) < width)
while (sourceSubresource > 0 && smallerTexture.Description.Width / (1 << sourceSubresource) < width)
{
sourceSubresource--;
}
@@ -258,7 +264,6 @@ namespace cmonitor.server.client.reports.screen.sharpDX
frame.Width = smallerTexture.Description.Width / (1 << sourceSubresource);
frame.Height = smallerTexture.Description.Height / (1 << sourceSubresource);
}
//Console.WriteLine($"sourceSubresource:{sourceSubresource},frame.Width:{frame.Width},frame.Height:{frame.Height},width:{width},height:{height}");
mDevice.ImmediateContext.CopySubresourceRegion(smallerTexture, sourceSubresource, new ResourceRegion
{
@@ -289,13 +294,9 @@ namespace cmonitor.server.client.reports.screen.sharpDX
if (frame.Width - width > 50)
{
bmp = new Bitmap(width, height);
bmp.SetResolution(image.HorizontalResolution, image.VerticalResolution);
using Graphics graphic = Graphics.FromImage(bmp);
graphic.SmoothingMode = SmoothingMode.HighQuality;
graphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphic.DrawImage(image, new System.Drawing.Rectangle(0, 0, image.Width, image.Height));
graphic.DrawImage(image, new System.Drawing.Rectangle(0, 0, width, height),0,0, frame.Width, frame.Height, GraphicsUnit.Pixel);
}
//Console.WriteLine($"bmp.Width:{bmp.Width},bmp.Height:{bmp.Height}");
using System.Drawing.Image image1 = bmp;