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[host] dxgi: fix HDR content downsampling

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This commit is contained in:
Geoffrey McRae 2023-11-07 13:42:38 +11:00
parent 561c45bcb9
commit 09b6fee360
4 changed files with 49 additions and 15 deletions
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29
host/platform/Windows/capture/DXGI/src/dxgi.c
View file

@ -739,28 +739,29 @@ static bool dxgi_init(void)
if (!initVertexShader())
goto fail;
if (!ppInit(&DXGIPP_Downsample,
this->backend != &copyBackendD3D11 && !this->hdr))
{
DEBUG_ERROR("Failed to intiailize the downsample post processor");
goto fail;
}
// if HDR add the SDRWhiteLevel post processor to correct the output
bool shareable = this->backend != &copyBackendD3D11;
if (this->hdr)
{
if (!ppInit(&DXGIPP_SDRWhiteLevel, this->backend != &copyBackendD3D11))
//HDR content needs to be corrected and converted to HDR10
if (!ppInit(&DXGIPP_SDRWhiteLevel, shareable))
{
DEBUG_ERROR("Failed to initialize the SDRWhiteLevel post processor");
goto fail;
}
}
else
//Downsampling must happen before conversion to RGB24
if (!ppInit(&DXGIPP_Downsample, shareable))
{
// only support DX11 for this atm
if (this->backend == &copyBackendD3D11)
if (!ppInit(&DXGIPP_RGB24, false))
DEBUG_WARN("Failed to initialize the RGB24 post processor");
DEBUG_ERROR("Failed to intiailize the downsample post processor");
goto fail;
}
//If not HDR, pack to RGB24
if (!this->hdr)
{
if (!ppInit(&DXGIPP_RGB24, shareable))
DEBUG_WARN("Failed to initialize the RGB24 post processor");
}
for (int i = 0; i < LGMP_Q_FRAME_LEN; ++i)

2
host/platform/Windows/capture/DXGI/src/pp/downsample.c
View file

@ -171,7 +171,7 @@ static bool downsample_configure(void * opaque,
.SampleDesc.Count = 1,
.SampleDesc.Quality = 0,
.Usage = D3D11_USAGE_DEFAULT,
.Format = DXGI_FORMAT_B8G8R8A8_UNORM,
.Format = getDXGIFormat(*format),
.BindFlags = D3D11_BIND_RENDER_TARGET |
D3D11_BIND_SHADER_RESOURCE,
.CPUAccessFlags = 0,

28
host/platform/Windows/capture/DXGI/src/util.c
View file

@ -18,6 +18,7 @@
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "util.h"
#include "common/debug.h"
#include <d3d11.h>
@ -320,3 +321,30 @@ float getSDRWhiteLevel(const DISPLAYCONFIG_PATH_INFO * displayPathInfo)
return nits;
}
DXGI_FORMAT getDXGIFormat(CaptureFormat format)
{
switch(format)
{
case CAPTURE_FMT_RGBA:
return DXGI_FORMAT_R8G8B8A8_UNORM;
case CAPTURE_FMT_BGRA:
return DXGI_FORMAT_B8G8R8A8_UNORM;
case CAPTURE_FMT_RGBA10:
return DXGI_FORMAT_R10G10B10A2_UNORM;
case CAPTURE_FMT_RGBA16F:
return DXGI_FORMAT_R16G16B16A16_FLOAT;
case CAPTURE_FMT_BGR:
return DXGI_FORMAT_B8G8R8A8_UNORM;
default:
break;
}
DEBUG_ASSERT("Invalid capture format for DXGI");
return 0;
}

5
host/platform/Windows/capture/DXGI/src/util.h
View file

@ -19,8 +19,11 @@
*/
#include <windows.h>
#include <d3dcommon.h>
#include <dxgi.h>
#include "interface/capture.h"
const char * getDXGIFormatStr(DXGI_FORMAT format);
const char * getDXGIColorSpaceTypeStr(DXGI_COLOR_SPACE_TYPE type);
@ -30,3 +33,5 @@ bool compileShader(ID3DBlob ** dst, const char * entry, const char * target,
bool getDisplayPathInfo(HMONITOR monitor, DISPLAYCONFIG_PATH_INFO * info);
float getSDRWhiteLevel(const DISPLAYCONFIG_PATH_INFO * displayPathInfo);
DXGI_FORMAT getDXGIFormat(CaptureFormat format);