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[host] dxgi: add support for downsampling the capture before sending

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This is an experimental & incomplete feature for those using
supersampling. Anything > 1200p will be downsampled by 50% before
copying out of the GPU to save on memory bandwidth.

Unfinished! Has issues with damage tracking and currently can not
be configured. Only dx11 has been tested at this point, everything
else will likely have problems/crash.
This commit is contained in:
Geoffrey McRae
2022-05-01 19:45:44 +10:00
parent 132d0e3c42
commit 3134ec84de
6 changed files with 195 additions and 49 deletions
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8
host/include/interface/capture.h
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@@ -63,9 +63,11 @@ CaptureRotation;
typedef struct CaptureFrame
{
unsigned int formatVer;
unsigned int width;
unsigned int height;
unsigned int realHeight;
unsigned int screenWidth;
unsigned int screenHeight;
unsigned int frameWidth;
unsigned int frameHeight;
bool truncated;
unsigned int pitch;
unsigned int stride;
CaptureFormat format;