162 lines
4.4 KiB
C++
162 lines
4.4 KiB
C++
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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#include "ShaderProcessing.h"
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#if COMPILE_WITH_SHADER_COMPILER
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#include "Engine/Core/Log.h"
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VertexShaderMeta::InputType ShaderProcessing::ParseInputType(const Token& token)
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{
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struct InputDesc
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{
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VertexShaderMeta::InputType e;
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const char* s;
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};
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#define _PARSE_ENTRY(x) { VertexShaderMeta::InputType::x, #x }
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const InputDesc formats[] =
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{
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_PARSE_ENTRY(Invalid),
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_PARSE_ENTRY(POSITION),
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_PARSE_ENTRY(COLOR),
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_PARSE_ENTRY(TEXCOORD),
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_PARSE_ENTRY(NORMAL),
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_PARSE_ENTRY(TANGENT),
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_PARSE_ENTRY(BITANGENT),
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_PARSE_ENTRY(ATTRIBUTE),
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_PARSE_ENTRY(BLENDINDICES),
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_PARSE_ENTRY(BLENDWEIGHT),
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};
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#undef _PARSE_ENTRY
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for (int32 i = 0; i < ARRAY_COUNT(formats); i++)
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{
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if (token == formats[i].s)
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return formats[i].e;
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}
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return VertexShaderMeta::InputType::Invalid;
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}
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PixelFormat ShaderProcessing::ParsePixelFormat(const Token& token)
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{
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struct DataDesc
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{
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PixelFormat e;
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const char* s;
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};
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#define _PARSE_ENTRY(x) { PixelFormat::x, #x }
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const DataDesc formats[] =
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{
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_PARSE_ENTRY(Unknown),
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_PARSE_ENTRY(R32G32B32A32_Float),
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_PARSE_ENTRY(R32G32B32A32_UInt),
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_PARSE_ENTRY(R32G32B32A32_SInt),
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_PARSE_ENTRY(R32G32B32_Float),
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_PARSE_ENTRY(R32G32B32_UInt),
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_PARSE_ENTRY(R32G32B32_SInt),
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_PARSE_ENTRY(R16G16B16A16_Float),
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_PARSE_ENTRY(R16G16B16A16_UNorm),
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_PARSE_ENTRY(R16G16B16A16_UInt),
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_PARSE_ENTRY(R16G16B16A16_SNorm),
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_PARSE_ENTRY(R16G16B16A16_SInt),
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_PARSE_ENTRY(R32G32_Float),
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_PARSE_ENTRY(R32G32_UInt),
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_PARSE_ENTRY(R32G32_SInt),
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_PARSE_ENTRY(R10G10B10A2_UNorm),
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_PARSE_ENTRY(R10G10B10A2_UInt),
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_PARSE_ENTRY(R11G11B10_Float),
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_PARSE_ENTRY(R8G8B8A8_UNorm),
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_PARSE_ENTRY(R8G8B8A8_UNorm_sRGB),
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_PARSE_ENTRY(R8G8B8A8_UInt),
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_PARSE_ENTRY(R8G8B8A8_SNorm),
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_PARSE_ENTRY(R8G8B8A8_SInt),
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_PARSE_ENTRY(R16G16_Float),
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_PARSE_ENTRY(R16G16_UNorm),
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_PARSE_ENTRY(R16G16_UInt),
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_PARSE_ENTRY(R16G16_SNorm),
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_PARSE_ENTRY(R16G16_SInt),
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_PARSE_ENTRY(R32_Float),
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_PARSE_ENTRY(R32_UInt),
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_PARSE_ENTRY(R32_SInt),
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_PARSE_ENTRY(R8G8_UNorm),
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_PARSE_ENTRY(R8G8_UInt),
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_PARSE_ENTRY(R8G8_SNorm),
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_PARSE_ENTRY(R8G8_SInt),
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_PARSE_ENTRY(R16_Float),
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_PARSE_ENTRY(R16_UNorm),
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_PARSE_ENTRY(R16_UInt),
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_PARSE_ENTRY(R16_SNorm),
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_PARSE_ENTRY(R16_SInt),
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_PARSE_ENTRY(R8_UNorm),
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_PARSE_ENTRY(R8_UInt),
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_PARSE_ENTRY(R8_SNorm),
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_PARSE_ENTRY(R8_SInt),
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_PARSE_ENTRY(A8_UNorm),
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_PARSE_ENTRY(R1_UNorm),
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_PARSE_ENTRY(R8G8_B8G8_UNorm),
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_PARSE_ENTRY(G8R8_G8B8_UNorm),
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_PARSE_ENTRY(BC1_UNorm),
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_PARSE_ENTRY(BC1_UNorm_sRGB),
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_PARSE_ENTRY(BC2_UNorm),
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_PARSE_ENTRY(BC2_UNorm_sRGB),
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_PARSE_ENTRY(BC3_UNorm),
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_PARSE_ENTRY(BC3_UNorm_sRGB),
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_PARSE_ENTRY(BC4_UNorm),
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_PARSE_ENTRY(BC4_SNorm),
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_PARSE_ENTRY(BC5_UNorm),
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_PARSE_ENTRY(BC5_SNorm),
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_PARSE_ENTRY(B5G6R5_UNorm),
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_PARSE_ENTRY(B5G5R5A1_UNorm),
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_PARSE_ENTRY(B8G8R8A8_UNorm),
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_PARSE_ENTRY(B8G8R8X8_UNorm),
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_PARSE_ENTRY(B8G8R8A8_UNorm_sRGB),
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_PARSE_ENTRY(B8G8R8X8_UNorm_sRGB),
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_PARSE_ENTRY(BC6H_Uf16),
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_PARSE_ENTRY(BC6H_Sf16),
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_PARSE_ENTRY(BC7_UNorm),
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_PARSE_ENTRY(BC7_UNorm_sRGB),
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};
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#undef _PARSE_ENTRY
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for (int32 i = 0; i < ARRAY_COUNT(formats); i++)
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{
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if (token.EqualsIgnoreCase(formats[i].s))
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return formats[i].e;
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}
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return PixelFormat::Unknown;
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}
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ShaderFlags ShaderProcessing::ParseShaderFlags(const Token& token)
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{
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struct DataDesc
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{
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ShaderFlags e;
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const char* s;
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};
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#define _PARSE_ENTRY(x) { ShaderFlags::x, #x }
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const DataDesc data[] =
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{
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_PARSE_ENTRY(Default),
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_PARSE_ENTRY(Hidden),
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_PARSE_ENTRY(NoFastMath),
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_PARSE_ENTRY(VertexToGeometryShader),
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};
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static_assert(ARRAY_COUNT(data) == 4, "Invalid amount of Shader Flag data entries.");
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#undef _PARSE_ENTRY
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for (int32 i = 0; i < ARRAY_COUNT(data); i++)
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{
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if (token.EqualsIgnoreCase(data[i].s))
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return data[i].e;
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}
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return ShaderFlags::Default;
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}
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#endif
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