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MobileGL/MobileGL/MG_Util/ShaderTranspiler/SpirvPasses/StripUniformLocationsPass.h
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// MobileGL - MobileGL/MG_Util/ShaderTranspiler/SpirvPasses/StripUniformLocationsPass.h
// Copyright (c) 2025-2026 MobileGL-Dev
// Licensed under the GNU Lesser General Public License v3.0:
// https://www.gnu.org/licenses/gpl-3.0.txt
// https://www.gnu.org/licenses/lgpl-3.0.txt
// SPDX-License-Identifier: LGPL-3.0-only
// End of Source File Header
#pragma once
#include "spirv-tools/optimizer.hpp"
#include "source/opt/pass.h"
namespace MobileGL {
namespace MG_Util {
namespace ShaderTranspiler {
// glslang's relaxed GL path keeps `layout(location = N) uniform ...` as a
// Location decoration on the UniformConstant/Uniform variable, which Vulkan
// forbids ([VUID-StandaloneSpirv-Location-06672]). Nothing downstream reads
// it: GL-side uniform locations come from the phase-A glslang reflection,
// Vulkan binding assignment goes by (kind, name), and SPIRV-Cross's ESSL
// resolves uniforms by name. Strip it so the driver-bound module is valid.
class StripUniformLocationsPass final : public spvtools::opt::Pass {
public:
const char* name() const override { return "mobilegl-strip-uniform-locations"; }
Status Process() override;
static spvtools::Optimizer::PassToken CreateStripUniformLocationsPass();
};
} // namespace ShaderTranspiler
} // namespace MG_Util
} // namespace MobileGL