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Add safety checks to material constants binding code to prevent invalid memory access

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This commit is contained in:
Wojtek Figat
2021-07-06 15:41:16 +02:00
parent 9f9d946d69
commit a165b4aa79
14 changed files with 85 additions and 55 deletions
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7
Source/Engine/Graphics/Materials/DeferredMaterialShader.cpp
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@@ -60,9 +60,10 @@ void DeferredMaterialShader::Bind(BindParameters& params)
auto context = params.GPUContext;
auto& view = params.RenderContext.View;
auto& drawCall = *params.FirstDrawCall;
byte* cb = _cbData.Get();
auto materialData = reinterpret_cast<DeferredMaterialShaderData*>(cb);
cb += sizeof(DeferredMaterialShaderData);
Span<byte> cb(_cbData.Get(), _cbData.Count());
ASSERT_LOW_LAYER(cb.Length() >= sizeof(DeferredMaterialShaderData));
auto materialData = reinterpret_cast<DeferredMaterialShaderData*>(cb.Get());
cb = Span<byte>(cb.Get() + sizeof(DeferredMaterialShaderData), cb.Length() - sizeof(DeferredMaterialShaderData));
int32 srv = 2;
// Setup features