diff options
Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/util.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/compiler/translator/util.cpp | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/util.cpp b/src/3rdparty/angle/src/compiler/translator/util.cpp index 077bdcc48b..561d4e007c 100644 --- a/src/3rdparty/angle/src/compiler/translator/util.cpp +++ b/src/3rdparty/angle/src/compiler/translator/util.cpp @@ -9,6 +9,8 @@ #include <limits> #include "compiler/preprocessor/numeric_lex.h" +#include "common/shadervars.h" +#include "common/utilities.h" bool atof_clamp(const char *str, float *value) { @@ -26,3 +28,329 @@ bool atoi_clamp(const char *str, int *value) return success; } +namespace sh +{ + +GLenum GLVariableType(const TType &type) +{ + if (type.getBasicType() == EbtFloat) + { + if (type.isScalar()) + { + return GL_FLOAT; + } + else if (type.isVector()) + { + switch (type.getNominalSize()) + { + case 2: return GL_FLOAT_VEC2; + case 3: return GL_FLOAT_VEC3; + case 4: return GL_FLOAT_VEC4; + default: UNREACHABLE(); + } + } + else if (type.isMatrix()) + { + switch (type.getCols()) + { + case 2: + switch (type.getRows()) + { + case 2: return GL_FLOAT_MAT2; + case 3: return GL_FLOAT_MAT2x3; + case 4: return GL_FLOAT_MAT2x4; + default: UNREACHABLE(); + } + + case 3: + switch (type.getRows()) + { + case 2: return GL_FLOAT_MAT3x2; + case 3: return GL_FLOAT_MAT3; + case 4: return GL_FLOAT_MAT3x4; + default: UNREACHABLE(); + } + + case 4: + switch (type.getRows()) + { + case 2: return GL_FLOAT_MAT4x2; + case 3: return GL_FLOAT_MAT4x3; + case 4: return GL_FLOAT_MAT4; + default: UNREACHABLE(); + } + + default: UNREACHABLE(); + } + } + else UNREACHABLE(); + } + else if (type.getBasicType() == EbtInt) + { + if (type.isScalar()) + { + return GL_INT; + } + else if (type.isVector()) + { + switch (type.getNominalSize()) + { + case 2: return GL_INT_VEC2; + case 3: return GL_INT_VEC3; + case 4: return GL_INT_VEC4; + default: UNREACHABLE(); + } + } + else UNREACHABLE(); + } + else if (type.getBasicType() == EbtUInt) + { + if (type.isScalar()) + { + return GL_UNSIGNED_INT; + } + else if (type.isVector()) + { + switch (type.getNominalSize()) + { + case 2: return GL_UNSIGNED_INT_VEC2; + case 3: return GL_UNSIGNED_INT_VEC3; + case 4: return GL_UNSIGNED_INT_VEC4; + default: UNREACHABLE(); + } + } + else UNREACHABLE(); + } + else if (type.getBasicType() == EbtBool) + { + if (type.isScalar()) + { + return GL_BOOL; + } + else if (type.isVector()) + { + switch (type.getNominalSize()) + { + case 2: return GL_BOOL_VEC2; + case 3: return GL_BOOL_VEC3; + case 4: return GL_BOOL_VEC4; + default: UNREACHABLE(); + } + } + else UNREACHABLE(); + } + + switch (type.getBasicType()) + { + case EbtSampler2D: return GL_SAMPLER_2D; + case EbtSampler3D: return GL_SAMPLER_3D; + case EbtSamplerCube: return GL_SAMPLER_CUBE; + case EbtSamplerExternalOES: return GL_SAMPLER_EXTERNAL_OES; + case EbtSampler2DRect: return GL_SAMPLER_2D_RECT_ARB; + case EbtSampler2DArray: return GL_SAMPLER_2D_ARRAY; + case EbtISampler2D: return GL_INT_SAMPLER_2D; + case EbtISampler3D: return GL_INT_SAMPLER_3D; + case EbtISamplerCube: return GL_INT_SAMPLER_CUBE; + case EbtISampler2DArray: return GL_INT_SAMPLER_2D_ARRAY; + case EbtUSampler2D: return GL_UNSIGNED_INT_SAMPLER_2D; + case EbtUSampler3D: return GL_UNSIGNED_INT_SAMPLER_3D; + case EbtUSamplerCube: return GL_UNSIGNED_INT_SAMPLER_CUBE; + case EbtUSampler2DArray: return GL_UNSIGNED_INT_SAMPLER_2D_ARRAY; + case EbtSampler2DShadow: return GL_SAMPLER_2D_SHADOW; + case EbtSamplerCubeShadow: return GL_SAMPLER_CUBE_SHADOW; + case EbtSampler2DArrayShadow: return GL_SAMPLER_2D_ARRAY_SHADOW; + default: UNREACHABLE(); + } + + return GL_NONE; +} + +GLenum GLVariablePrecision(const TType &type) +{ + if (type.getBasicType() == EbtFloat) + { + switch (type.getPrecision()) + { + case EbpHigh: + return GL_HIGH_FLOAT; + case EbpMedium: + return GL_MEDIUM_FLOAT; + case EbpLow: + return GL_LOW_FLOAT; + case EbpUndefined: + // Should be defined as the default precision by the parser + default: + UNREACHABLE(); + } + } + else if (type.getBasicType() == EbtInt || type.getBasicType() == EbtUInt) + { + switch (type.getPrecision()) + { + case EbpHigh: + return GL_HIGH_INT; + case EbpMedium: + return GL_MEDIUM_INT; + case EbpLow: + return GL_LOW_INT; + case EbpUndefined: + // Should be defined as the default precision by the parser + default: + UNREACHABLE(); + } + } + + // Other types (boolean, sampler) don't have a precision + return GL_NONE; +} + +TString ArrayString(const TType &type) +{ + if (!type.isArray()) + { + return ""; + } + + return "[" + str(type.getArraySize()) + "]"; +} + +bool IsVaryingOut(TQualifier qualifier) +{ + switch (qualifier) + { + case EvqVaryingOut: + case EvqInvariantVaryingOut: + case EvqSmoothOut: + case EvqFlatOut: + case EvqCentroidOut: + case EvqVertexOut: + return true; + + default: break; + } + + return false; +} + +bool IsVaryingIn(TQualifier qualifier) +{ + switch (qualifier) + { + case EvqVaryingIn: + case EvqInvariantVaryingIn: + case EvqSmoothIn: + case EvqFlatIn: + case EvqCentroidIn: + case EvqFragmentIn: + return true; + + default: break; + } + + return false; +} + +bool IsVarying(TQualifier qualifier) +{ + return IsVaryingIn(qualifier) || IsVaryingOut(qualifier); +} + +InterpolationType GetInterpolationType(TQualifier qualifier) +{ + switch (qualifier) + { + case EvqFlatIn: + case EvqFlatOut: + return INTERPOLATION_FLAT; + + case EvqSmoothIn: + case EvqSmoothOut: + case EvqVertexOut: + case EvqFragmentIn: + case EvqVaryingIn: + case EvqVaryingOut: + return INTERPOLATION_SMOOTH; + + case EvqCentroidIn: + case EvqCentroidOut: + return INTERPOLATION_CENTROID; + + default: UNREACHABLE(); + return INTERPOLATION_SMOOTH; + } +} + +template <typename VarT> +void GetVariableTraverser<VarT>::traverse(const TType &type, const TString &name) +{ + const TStructure *structure = type.getStruct(); + + VarT variable; + variable.name = name.c_str(); + variable.arraySize = static_cast<unsigned int>(type.getArraySize()); + + if (!structure) + { + variable.type = GLVariableType(type); + variable.precision = GLVariablePrecision(type); + } + else + { + variable.type = GL_STRUCT_ANGLEX; + + mOutputStack.push(&variable.fields); + + const TFieldList &fields = structure->fields(); + + for (size_t fieldIndex = 0; fieldIndex < fields.size(); fieldIndex++) + { + TField *field = fields[fieldIndex]; + traverse(*field->type(), field->name()); + } + + mOutputStack.pop(); + } + + visitVariable(&variable); + + ASSERT(!mOutputStack.empty()); + mOutputStack.top()->push_back(variable); +} + +template <typename VarT> +GetVariableTraverser<VarT>::GetVariableTraverser(std::vector<VarT> *output) +{ + ASSERT(output); + mOutputStack.push(output); +} + +template class GetVariableTraverser<Uniform>; +template class GetVariableTraverser<Varying>; +template class GetVariableTraverser<InterfaceBlockField>; + +GetInterfaceBlockFieldTraverser::GetInterfaceBlockFieldTraverser(std::vector<InterfaceBlockField> *output, bool isRowMajorMatrix) + : GetVariableTraverser(output), + mIsRowMajorMatrix(isRowMajorMatrix) +{ +} + +void GetInterfaceBlockFieldTraverser::visitVariable(InterfaceBlockField *newField) +{ + if (gl::IsMatrixType(newField->type)) + { + newField->isRowMajorMatrix = mIsRowMajorMatrix; + } +} + +BlockLayoutType GetBlockLayoutType(TLayoutBlockStorage blockStorage) +{ + switch (blockStorage) + { + case EbsPacked: return BLOCKLAYOUT_PACKED; + case EbsShared: return BLOCKLAYOUT_SHARED; + case EbsStd140: return BLOCKLAYOUT_STANDARD; + default: UNREACHABLE(); return BLOCKLAYOUT_SHARED; + } +} + +} |