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author | bunnei <bunneidev@gmail.com> | 2022-01-21 19:45:56 +0100 |
---|---|---|
committer | GitHub <noreply@github.com> | 2022-01-21 19:45:56 +0100 |
commit | 03cf308c16f016c49964b343602c3fbd22415fcc (patch) | |
tree | e606805c438e9854d0c22be1e265963b4a3f543b | |
parent | Merge pull request #7695 from Morph1984/is-pow2 (diff) | |
parent | shader_recompiler: fix potential OOB access (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/shader_recompiler/backend/glsl/glsl_emit_context.cpp | 7 | ||||
-rw-r--r-- | src/shader_recompiler/backend/spirv/spirv_emit_context.cpp | 7 |
2 files changed, 8 insertions, 6 deletions
diff --git a/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp b/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp index bb7f1a0fd..e816a93ec 100644 --- a/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp +++ b/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp @@ -458,9 +458,10 @@ void EmitContext::DefineGenericOutput(size_t index, u32 invocations) { std::string definition{fmt::format("layout(location={}", index)}; const u32 remainder{4 - element}; const TransformFeedbackVarying* xfb_varying{}; - if (!runtime_info.xfb_varyings.empty()) { - xfb_varying = &runtime_info.xfb_varyings[base_index + element]; - xfb_varying = xfb_varying && xfb_varying->components > 0 ? xfb_varying : nullptr; + const size_t xfb_varying_index{base_index + element}; + if (xfb_varying_index < runtime_info.xfb_varyings.size()) { + xfb_varying = &runtime_info.xfb_varyings[xfb_varying_index]; + xfb_varying = xfb_varying->components > 0 ? xfb_varying : nullptr; } const u32 num_components{xfb_varying ? xfb_varying->components : remainder}; if (element > 0) { diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp index d3ba66569..cd90c084a 100644 --- a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp @@ -164,9 +164,10 @@ void DefineGenericOutput(EmitContext& ctx, size_t index, std::optional<u32> invo while (element < 4) { const u32 remainder{4 - element}; const TransformFeedbackVarying* xfb_varying{}; - if (!ctx.runtime_info.xfb_varyings.empty()) { - xfb_varying = &ctx.runtime_info.xfb_varyings[base_attr_index + element]; - xfb_varying = xfb_varying && xfb_varying->components > 0 ? xfb_varying : nullptr; + const size_t xfb_varying_index{base_attr_index + element}; + if (xfb_varying_index < ctx.runtime_info.xfb_varyings.size()) { + xfb_varying = &ctx.runtime_info.xfb_varyings[xfb_varying_index]; + xfb_varying = xfb_varying->components > 0 ? xfb_varying : nullptr; } const u32 num_components{xfb_varying ? xfb_varying->components : remainder}; |