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Diffstat (limited to 'tools/render-test/shader-input-layout.cpp')
| -rw-r--r-- | tools/render-test/shader-input-layout.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/tools/render-test/shader-input-layout.cpp b/tools/render-test/shader-input-layout.cpp new file mode 100644 index 000000000..c97028441 --- /dev/null +++ b/tools/render-test/shader-input-layout.cpp @@ -0,0 +1,180 @@ +#include "shader-input-layout.h" +#include "core/token-reader.h" + +namespace renderer_test +{ + using namespace Slang; + void ShaderInputLayout::Parse(const char * source) + { + entries.Clear(); + auto lines = Split(source, '\n'); + for (auto & line : lines) + { + if (line.StartsWith("//TEST_INPUT:")) + { + auto lineContent = line.SubString(13, line.Length() - 13); + TokenReader parser(lineContent); + try + { + ShaderInputLayoutEntry entry; + + if (parser.LookAhead("cbuffer")) + { + entry.type = ShaderInputType::Buffer; + entry.bufferDesc.type = InputBufferType::ConstantBuffer; + } + else if (parser.LookAhead("ubuffer")) + { + entry.type = ShaderInputType::Buffer; + entry.bufferDesc.type = InputBufferType::StorageBuffer; + } + else if (parser.LookAhead("Texture1D")) + { + entry.type = ShaderInputType::Texture; + entry.textureDesc.dimension = 1; + } + else if (parser.LookAhead("Texture2D")) + { + entry.type = ShaderInputType::Texture; + entry.textureDesc.dimension = 2; + } + else if (parser.LookAhead("Texture3D")) + { + entry.type = ShaderInputType::Texture; + entry.textureDesc.dimension = 3; + } + else if (parser.LookAhead("TextureCube")) + { + entry.type = ShaderInputType::Texture; + entry.textureDesc.dimension = 2; + entry.textureDesc.isCube = true; + } + else if (parser.LookAhead("Sampler")) + { + entry.type = ShaderInputType::Sampler; + } + else if (parser.LookAhead("Sampler1D")) + { + entry.type = ShaderInputType::CombinedTextureSampler; + entry.textureDesc.dimension = 1; + } + else if (parser.LookAhead("Sampler2D")) + { + entry.type = ShaderInputType::CombinedTextureSampler; + entry.textureDesc.dimension = 2; + } + else if (parser.LookAhead("Sampler3D")) + { + entry.type = ShaderInputType::CombinedTextureSampler; + entry.textureDesc.dimension = 3; + } + else if (parser.LookAhead("SamplerCube")) + { + entry.type = ShaderInputType::CombinedTextureSampler; + entry.textureDesc.dimension = 2; + entry.textureDesc.isCube = true; + } + parser.ReadToken(); + // parse options + if (parser.LookAhead("(")) + { + parser.Read("("); + while (!parser.IsEnd() && !parser.LookAhead(")")) + { + auto word = parser.ReadWord(); + if (word == "depth") + { + entry.textureDesc.isDepthTexture = true; + } + else if (word == "depthCompare") + { + entry.samplerDesc.isCompareSampler = true; + } + else if (word == "arrayLength") + { + parser.Read("="); + entry.textureDesc.arrayLength = parser.ReadInt(); + } + else if (word == "stride") + { + parser.Read("="); + entry.bufferDesc.stride = parser.ReadInt(); + } + else if (word == "data") + { + parser.Read("="); + parser.Read("["); + while (!parser.IsEnd() && !parser.LookAhead("]")) + { + if (parser.NextToken().Type == TokenType::IntLiteral) + { + entry.bufferData.Add(parser.ReadUInt()); + } + else + { + auto floatNum = parser.ReadFloat(); + entry.bufferData.Add(*(unsigned int*)&floatNum); + } + } + parser.Read("]"); + } + if (parser.LookAhead(",")) + parser.Read(","); + else + break; + } + parser.Read(")"); + // parse bindings + if (parser.LookAhead(":")) + { + parser.Read(":"); + while (!parser.IsEnd()) + { + if (parser.LookAhead("register")) + { + parser.ReadToken(); + parser.Read("("); + auto reg = parser.ReadWord(); + entry.hlslRegister = parser.ReadInt(); + parser.Read(")"); + } + else if (parser.LookAhead("layout")) + { + parser.ReadToken(); + parser.Read("("); + while (!parser.IsEnd() && !parser.LookAhead(")")) + { + auto word = parser.ReadWord(); + if (word == "binding") + { + parser.Read("="); + entry.glslBinding = parser.ReadInt(); + } + else if (word == "location") + { + parser.Read("="); + entry.glslLocation = parser.ReadInt(); + } + if (parser.LookAhead(",")) + parser.Read(","); + else + break; + } + parser.Read(")"); + } + if (parser.LookAhead(",")) + parser.Read(","); + } + } + } + } + catch (TextFormatException) + { + throw TextFormatException("Invalid input syntax at line " + parser.NextToken().Position.Line); + } + } + } + + + } +}
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