src/dawn/native/opengl/ImmediatesLayoutGL.h

// Copyright 2026 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_OPENGL_IMMEDIATESLAYOUTGL_H_
#define SRC_DAWN_NATIVE_OPENGL_IMMEDIATESLAYOUTGL_H_

#include "src/dawn/native/ImmediatesLayout.h"

namespace dawn::native::opengl {

// Define common immediates layout. Append members to expand layouts.
// NOTE: 'offsetof' doesn't support non-standard-layout structs. So use aggregate instead of
// inheritance for RenderImmediates and ComputeImmediates. Wrap userImmediates to fit offsetof logic
// in UserImmediatesTrackerBase.
DAWN_ENABLE_STRUCT_PADDING_WARNINGS
// Define render pipeline immediates layout. Append members to expand the layout.
struct RenderImmediates {
    UserImmediates userImmediates;

    ClampFragDepthArgs clampFragDepth;

    // first index offset
    uint32_t firstVertex;
    uint32_t firstInstance;
};

// Define compute pipeline immediates layout. Append members to expand the layout.
struct ComputeImmediates {
    UserImmediates userImmediates;
};
DAWN_DISABLE_STRUCT_PADDING_WARNINGS

}  // namespace dawn::native::opengl

#endif  // SRC_DAWN_NATIVE_OPENGL_IMMEDIATESLAYOUTGL_H_