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bugfix(textureloader): Add null checks for D3DTexture to prevent crashes #479

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bugfix(textureloader): Add null checks for D3DTexture to prevent crashes #479

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12 changes: 12 additions & 0 deletions Core/Libraries/Source/WWVegas/WW3D2/textureloader.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1326,7 +1326,7 @@
//Figure out correct reduction
int reqReduction=WW3D::Get_Texture_Reduction(); //requested reduction

if (reqReduction >= mip_count)

Check warning on line 1329 in Core/Libraries/Source/WWVegas/WW3D2/textureloader.cpp

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GitHub Actions / Build GeneralsMD / win32+e 

 '>=': signed/unsigned mismatch

Check warning on line 1329 in Core/Libraries/Source/WWVegas/WW3D2/textureloader.cpp

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GitHub Actions / Build GeneralsMD / win32-profile+e 

 '>=': signed/unsigned mismatch

Check warning on line 1329 in Core/Libraries/Source/WWVegas/WW3D2/textureloader.cpp

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GitHub Actions / Build GeneralsMD / win32-debug+e 

 '>=': signed/unsigned mismatch
reqReduction=mip_count-1; //leave only the lowest level

//Clamp reduction
Expand Down Expand Up @@ -1363,7 +1363,7 @@
//Figure out correct reduction
int reqReduction=WW3D::Get_Texture_Reduction(); //requested reduction

if (reqReduction >= mip_count)

Check warning on line 1366 in Core/Libraries/Source/WWVegas/WW3D2/textureloader.cpp

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GitHub Actions / Build GeneralsMD / win32+e 

 '>=': signed/unsigned mismatch

Check warning on line 1366 in Core/Libraries/Source/WWVegas/WW3D2/textureloader.cpp

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GitHub Actions / Build GeneralsMD / win32-profile+e 

 '>=': signed/unsigned mismatch

Check warning on line 1366 in Core/Libraries/Source/WWVegas/WW3D2/textureloader.cpp

View workflow job for this annotation

GitHub Actions / Build GeneralsMD / win32-debug+e 

 '>=': signed/unsigned mismatch
reqReduction=mip_count-1; //leave only the lowest level

//Clamp reduction
Expand Down Expand Up @@ -1530,6 +1530,10 @@
#endif
);

if (!D3DTexture) {
return false;
}

MipLevelCount = mip_level_count;

return true;
Expand Down Expand Up @@ -1625,6 +1629,10 @@
#endif
);

if (!D3DTexture) {
return false;
}

return true;
}

Expand Down Expand Up @@ -1775,6 +1783,10 @@

void TextureLoadTaskClass::Lock_Surfaces()
{
if (!D3DTexture) {
return;
}

MipLevelCount = D3DTexture->GetLevelCount();

for (unsigned int i = 0; i < MipLevelCount; ++i)
Expand Down
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