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Format code for PR #5560 #9

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Nov 14, 2024
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Format code for PR #5560 #9

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53 changes: 33 additions & 20 deletions source/slang/slang-core-module-textures.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -189,18 +189,19 @@ enum class DimType
Count,
};

// The WGSL texture attribute types for 'expr' are unsigned int, and anything else requires a conversion.
template <typename S>
// The WGSL texture attribute types for 'expr' are unsigned int, and anything else requires a
// conversion.
template<typename S>
static String wgslTextureAttributeConversion(DimType type, S expr)
{

switch(type)
switch (type)
{

case DimType::UInt:
return expr;


case DimType::Float:
{
// Conversion to float is exact for values <= 2^24.
Expand All @@ -213,8 +214,8 @@ static String wgslTextureAttributeConversion(DimType type, S expr)

case DimType::Int:
{
// We can assume two's complement and just do a bitcast, since texture dimensions can't be
// anywhere near big enough to yield a negative result.
// We can assume two's complement and just do a bitcast, since texture dimensions can't
// be anywhere near big enough to yield a negative result.
String castExpr("bitcast<i32>(");
castExpr.append(expr);
castExpr.append(")");
Expand All @@ -225,9 +226,7 @@ static String wgslTextureAttributeConversion(DimType type, S expr)
default:
SLANG_UNREACHABLE("Unexpected DimType enum value");
break;

};

}

void TextureTypeInfo::writeGetDimensionFunctions()
Expand Down Expand Up @@ -278,8 +277,11 @@ void TextureTypeInfo::writeGetDimensionFunctions()
params << t << "width";
metal << "(*($" << String(paramCount) << ") = $0.get_width("
<< String(metalMipLevel) << ")),";
wgsl << "($" << String(paramCount) << ") = " <<
wgslTextureAttributeConversion(dimType, String("textureDimensions($0") + (includeMipInfo ? ", $1" : "") + ")") << ";";
wgsl << "($" << String(paramCount) << ") = "
<< wgslTextureAttributeConversion(
dimType,
String("textureDimensions($0") + (includeMipInfo ? ", $1" : "") + ")")
<< ";";

sizeDimCount = 1;
break;
Expand All @@ -291,13 +293,15 @@ void TextureTypeInfo::writeGetDimensionFunctions()
metal << "(*($" << String(paramCount) << ") = $0.get_width("
<< String(metalMipLevel) << ")),";
wgsl << "var dim = textureDimensions($0" << (includeMipInfo ? ", $1" : "") << ");";
wgsl << "($" << String(paramCount) << ") = " << wgslTextureAttributeConversion(dimType, "dim.x") << ";";
wgsl << "($" << String(paramCount)
<< ") = " << wgslTextureAttributeConversion(dimType, "dim.x") << ";";

++paramCount;
params << t << "height";
metal << "(*($" << String(paramCount) << ") = $0.get_height("
<< String(metalMipLevel) << ")),";
wgsl << "($" << String(paramCount) << ") = " << wgslTextureAttributeConversion(dimType, "dim.y") << ";";
wgsl << "($" << String(paramCount)
<< ") = " << wgslTextureAttributeConversion(dimType, "dim.y") << ";";

sizeDimCount = 2;
break;
Expand All @@ -308,19 +312,22 @@ void TextureTypeInfo::writeGetDimensionFunctions()
metal << "(*($" << String(paramCount) << ") = $0.get_width("
<< String(metalMipLevel) << ")),";
wgsl << "var dim = textureDimensions($0" << (includeMipInfo ? ", $1" : "") << ");";
wgsl << "($" << String(paramCount) << ") = " << wgslTextureAttributeConversion(dimType, "dim.x") << ";";
wgsl << "($" << String(paramCount)
<< ") = " << wgslTextureAttributeConversion(dimType, "dim.x") << ";";

++paramCount;
params << t << "height,";
metal << "(*($" << String(paramCount) << ") = $0.get_height("
<< String(metalMipLevel) << ")),";
wgsl << "($" << String(paramCount) << ") = " << wgslTextureAttributeConversion(dimType, "dim.y") << ";";
wgsl << "($" << String(paramCount)
<< ") = " << wgslTextureAttributeConversion(dimType, "dim.y") << ";";

++paramCount;
params << t << "depth";
metal << "(*($" << String(paramCount) << ") = $0.get_depth("
<< String(metalMipLevel) << ")),";
wgsl << "($" << String(paramCount) << ") = " << wgslTextureAttributeConversion(dimType, "dim.z") << ";";
wgsl << "($" << String(paramCount)
<< ") = " << wgslTextureAttributeConversion(dimType, "dim.z") << ";";

sizeDimCount = 3;
break;
Expand All @@ -336,23 +343,29 @@ void TextureTypeInfo::writeGetDimensionFunctions()
++paramCount;
params << ", " << t << "elements";
metal << "(*($" << String(paramCount) << ") = $0.get_array_size()),";
wgsl << "($" << String(paramCount) << ") = " << wgslTextureAttributeConversion(dimType, "textureNumLayers($0)") << ";";
wgsl << "($" << String(paramCount)
<< ") = " << wgslTextureAttributeConversion(dimType, "textureNumLayers($0)")
<< ";";
}

if (isMultisample)
{
++paramCount;
params << ", " << t << "sampleCount";
metal << "(*($" << String(paramCount) << ") = $0.get_num_samples()),";
wgsl << "($" << String(paramCount) << ") = " << wgslTextureAttributeConversion(dimType, "textureNumSamples($0)") << ";";
wgsl << "($" << String(paramCount)
<< ") = " << wgslTextureAttributeConversion(dimType, "textureNumSamples($0)")
<< ";";
}

if (includeMipInfo)
{
++paramCount;
params << ", " << t << "numberOfLevels";
metal << "(*($" << String(paramCount) << ") = $0.get_num_mip_levels()),";
wgsl << "($" << String(paramCount) << ") = " << wgslTextureAttributeConversion(dimType, "textureNumLevels($0)") << ";";
wgsl << "($" << String(paramCount)
<< ") = " << wgslTextureAttributeConversion(dimType, "textureNumLevels($0)")
<< ";";
}

metal.reduceLength(metal.getLength() - 1); // drop the last comma
Expand Down
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