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Add environment variable override helper function

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This allows FORCE_QT_GLES and SEPARATE_TEST_DECODER to override both true and false.
This commit is contained in:
Cameron Gutman
2025-12-27 15:33:13 -06:00
parent 21fb2832e1
commit 41ad3c0938
9 changed files with 68 additions and 60 deletions
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app/streaming/video/ffmpeg-renderers/d3d11va.cpp
+11 -13
View File
@@ -4,6 +4,7 @@
#include "d3d11va.h"
#include "dxutil.h"
#include "path.h"
#include "utils.h"
#include "streaming/streamutils.h"
#include "streaming/session.h"
@@ -209,29 +210,26 @@ bool D3D11VARenderer::createDeviceByAdapterIndex(int adapterIndex, bool* adapter
goto Exit;
}
bool ok;
m_BindDecoderOutputTextures = !!qEnvironmentVariableIntValue("D3D11VA_FORCE_BIND", &ok);
if (!ok) {
if (Utils::getEnvironmentVariableOverride("D3D11VA_FORCE_BIND", &m_BindDecoderOutputTextures)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Using D3D11VA_FORCE_BIND to override default bind/copy logic");
}
else {
// Skip copying to our own internal texture on Intel GPUs due to
// significant performance impact of the extra copy. See:
// https://github.com/moonlight-stream/moonlight-qt/issues/1304
m_BindDecoderOutputTextures = adapterDesc.VendorId == 0x8086;
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Using D3D11VA_FORCE_BIND to override default bind/copy logic");
}
m_UseFenceHack = !!qEnvironmentVariableIntValue("D3D11VA_FORCE_FENCE", &ok);
if (!ok) {
if (Utils::getEnvironmentVariableOverride("D3D11VA_FORCE_FENCE", &m_UseFenceHack)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Using D3D11VA_FORCE_FENCE to override default fence workaround logic");
}
else {
// Old Intel GPUs (HD 4000) require a fence to properly synchronize
// the video engine with the 3D engine for texture sampling.
m_UseFenceHack = adapterDesc.VendorId == 0x8086 && featureLevel < D3D_FEATURE_LEVEL_11_1;
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Using D3D11VA_FORCE_FENCE to override default fence workaround logic");
}
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Decoder texture access: %s (fence: %s)",