alexpete
73 lines
3.6 KiB
C
73 lines
3.6 KiB
C
// Modifications copyright Amazon.com, Inc. or its affiliates
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// Modifications copyright Crytek GmbH
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#ifndef TO_GLSL_OPERAND_H
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#define TO_GLSL_OPERAND_H
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#include "internal_includes/structs.h"
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#define TO_FLAG_NONE 0x0
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#define TO_FLAG_INTEGER 0x1
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#define TO_FLAG_NAME_ONLY 0x2
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#define TO_FLAG_DECLARATION_NAME 0x4
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#define TO_FLAG_DESTINATION 0x8 //Operand is being written to by assignment.
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#define TO_FLAG_UNSIGNED_INTEGER 0x10
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#define TO_FLAG_DOUBLE 0x20
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#define TO_FLAG_FLOAT16 0x40
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// --- TO_AUTO_BITCAST_TO_FLOAT ---
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//If the operand is an integer temp variable then this flag
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//indicates that the temp has a valid floating point encoding
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//and that the current expression expects the operand to be floating point
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//and therefore intBitsToFloat must be applied to that variable.
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#define TO_AUTO_BITCAST_TO_FLOAT 0x80
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#define TO_AUTO_BITCAST_TO_INT 0x100
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#define TO_AUTO_BITCAST_TO_UINT 0x200
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#define TO_AUTO_BITCAST_TO_FLOAT16 0x400
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// AUTO_EXPAND flags automatically expand the operand to at least (i/u)vecX
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// to match HLSL functionality.
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#define TO_AUTO_EXPAND_TO_VEC2 0x800
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#define TO_AUTO_EXPAND_TO_VEC3 0x1000
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#define TO_AUTO_EXPAND_TO_VEC4 0x2000
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void TranslateOperand(HLSLCrossCompilerContext* psContext, const Operand* psOperand, uint32_t ui32TOFlag);
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// Translate operand but add additional component mask
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void TranslateOperandWithMask(HLSLCrossCompilerContext* psContext, const Operand* psOperand, uint32_t ui32TOFlag, uint32_t ui32ComponentMask);
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int GetMaxComponentFromComponentMask(const Operand* psOperand);
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void TranslateOperandIndex(HLSLCrossCompilerContext* psContext, const Operand* psOperand, int index);
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void TranslateOperandIndexMAD(HLSLCrossCompilerContext* psContext, const Operand* psOperand, int index, uint32_t multiply, uint32_t add);
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void TranslateOperandSwizzle(HLSLCrossCompilerContext* psContext, const Operand* psOperand);
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void TranslateOperandSwizzleWithMask(HLSLCrossCompilerContext* psContext, const Operand* psOperand, uint32_t ui32ComponentMask);
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uint32_t GetNumSwizzleElements(const Operand* psOperand);
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uint32_t GetNumSwizzleElementsWithMask(const Operand *psOperand, uint32_t ui32CompMask);
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void AddSwizzleUsingElementCount(HLSLCrossCompilerContext* psContext, uint32_t count);
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int GetFirstOperandSwizzle(HLSLCrossCompilerContext* psContext, const Operand* psOperand);
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uint32_t IsSwizzleReplicated(const Operand* psOperand);
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void ResourceName(bstring targetStr, HLSLCrossCompilerContext* psContext, ResourceGroup group, const uint32_t ui32RegisterNumber, const int bZCompare);
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bstring TextureSamplerName(ShaderInfo* psShaderInfo, const uint32_t ui32TextureRegisterNumber, const uint32_t ui32SamplerRegisterNumber, const int bZCompare);
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void ConcatTextureSamplerName(bstring str, ShaderInfo* psShaderInfo, const uint32_t ui32TextureRegisterNumber, const uint32_t ui32SamplerRegisterNumber, const int bZCompare);
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//Non-zero means the components overlap
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int CompareOperandSwizzles(const Operand* psOperandA, const Operand* psOperandB);
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// Returns the write mask for the operand used for destination
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uint32_t GetOperandWriteMask(const Operand *psOperand);
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SHADER_VARIABLE_TYPE GetOperandDataType(HLSLCrossCompilerContext* psContext, const Operand* psOperand);
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SHADER_VARIABLE_TYPE GetOperandDataTypeEx(HLSLCrossCompilerContext* psContext, const Operand* psOperand, SHADER_VARIABLE_TYPE ePreferredTypeForImmediates);
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const char * GetConstructorForType(const SHADER_VARIABLE_TYPE eType,
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const int components);
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const char * GetConstructorForTypeFlag(const uint32_t ui32Flag,
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const int components);
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uint32_t SVTTypeToFlag(const SHADER_VARIABLE_TYPE eType);
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SHADER_VARIABLE_TYPE TypeFlagsToSVTType(const uint32_t typeflags);
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#endif
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