source/slang/slang-ir-lower-buffer-element-type.h


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#ifndef SLANG_IR_LOWER_BUFFER_ELEMENT_TYPE_H
#define SLANG_IR_LOWER_BUFFER_ELEMENT_TYPE_H

namespace Slang
{
    struct IRModule;
    class TargetProgram;
    struct IRTypeLayoutRules;
    struct IRType;

    // For each struct type S used as element type of a ConstantBuffer, ParameterBlock or [RW]StructuredBuffer,
    // we create a lowered type L, where matrix types are lowered to arrays of vectors based on major-ness,
    // and loads from the buffer are converted to L_to_S(load(buffer)), and stores to the buffer are
    // converted to store(buffer, S_to_L(val)).
    // This pass needs to take place after type legalization, and before array return type lowering
    // because it may create functions that returns array typed values.
    //
    void lowerBufferElementTypeToStorageType(TargetProgram* target, IRModule* module, bool lowerBufferPointer = false);


    // Returns the type layout rules should be used for a buffer resource type.
    IRTypeLayoutRules* getTypeLayoutRuleForBuffer(TargetProgram* target, IRType* bufferType);
}

#endif