blob: 71413723d6e451d8d9aea4c7d98dec802669da7c [file] [log] [blame]
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_CONTEXT
#define SKSL_CONTEXT
#include <memory>
#include "src/sksl/ir/SkSLExpression.h"
#include "src/sksl/ir/SkSLType.h"
namespace SkSL {
/**
* Contains compiler-wide objects, which currently means the core types.
*/
class Context {
public:
Context()
: fInvalid_Type(Type::MakeOtherType("<INVALID>"))
, fVoid_Type(Type::MakeOtherType("void"))
, fNull_Type(Type::MakeOtherType("null"))
, fFloatLiteral_Type(Type::MakeScalarType(
"$floatLiteral", Type::NumberKind::kFloat, /*priority=*/3))
, fIntLiteral_Type(Type::MakeScalarType(
"$intLiteral", Type::NumberKind::kSigned, /*priority=*/1))
, fFloat_Type(Type::MakeScalarType(
"float", Type::NumberKind::kFloat, /*priority=*/5, /*highPrecision=*/true))
, fFloat2_Type(Type::MakeVectorType("float2", *fFloat_Type, /*columns=*/2))
, fFloat3_Type(Type::MakeVectorType("float3", *fFloat_Type, /*columns=*/3))
, fFloat4_Type(Type::MakeVectorType("float4", *fFloat_Type, /*columns=*/4))
, fHalf_Type(Type::MakeScalarType("half", Type::NumberKind::kFloat, /*priority=*/4))
, fHalf2_Type(Type::MakeVectorType("half2", *fHalf_Type, /*columns=*/2))
, fHalf3_Type(Type::MakeVectorType("half3", *fHalf_Type, /*columns=*/3))
, fHalf4_Type(Type::MakeVectorType("half4", *fHalf_Type, /*columns=*/4))
, fUInt_Type(Type::MakeScalarType(
"uint", Type::NumberKind::kUnsigned, /*priority=*/2, /*highPrecision=*/true))
, fUInt2_Type(Type::MakeVectorType("uint2", *fUInt_Type, /*columns=*/2))
, fUInt3_Type(Type::MakeVectorType("uint3", *fUInt_Type, /*columns=*/3))
, fUInt4_Type(Type::MakeVectorType("uint4", *fUInt_Type, /*columns=*/4))
, fInt_Type(Type::MakeScalarType(
"int", Type::NumberKind::kSigned, /*priority=*/2, /*highPrecision=*/true))
, fInt2_Type(Type::MakeVectorType("int2", *fInt_Type, /*columns=*/2))
, fInt3_Type(Type::MakeVectorType("int3", *fInt_Type, /*columns=*/3))
, fInt4_Type(Type::MakeVectorType("int4", *fInt_Type, /*columns=*/4))
, fUShort_Type(
Type::MakeScalarType("ushort", Type::NumberKind::kUnsigned, /*priority=*/0))
, fUShort2_Type(Type::MakeVectorType("ushort2", *fUShort_Type, /*columns=*/2))
, fUShort3_Type(Type::MakeVectorType("ushort3", *fUShort_Type, /*columns=*/3))
, fUShort4_Type(Type::MakeVectorType("ushort4", *fUShort_Type, /*columns=*/4))
, fShort_Type(Type::MakeScalarType("short", Type::NumberKind::kSigned, /*priority=*/0))
, fShort2_Type(Type::MakeVectorType("short2", *fShort_Type, /*columns=*/2))
, fShort3_Type(Type::MakeVectorType("short3", *fShort_Type, /*columns=*/3))
, fShort4_Type(Type::MakeVectorType("short4", *fShort_Type, /*columns=*/4))
, fUByte_Type(
Type::MakeScalarType("ubyte", Type::NumberKind::kUnsigned, /*priority=*/0))
, fUByte2_Type(Type::MakeVectorType("ubyte2", *fUByte_Type, /*columns=*/2))
, fUByte3_Type(Type::MakeVectorType("ubyte3", *fUByte_Type, /*columns=*/3))
, fUByte4_Type(Type::MakeVectorType("ubyte4", *fUByte_Type, /*columns=*/4))
, fByte_Type(Type::MakeScalarType("byte", Type::NumberKind::kSigned, /*priority=*/0))
, fByte2_Type(Type::MakeVectorType("byte2", *fByte_Type, /*columns=*/2))
, fByte3_Type(Type::MakeVectorType("byte3", *fByte_Type, /*columns=*/3))
, fByte4_Type(Type::MakeVectorType("byte4", *fByte_Type, /*columns=*/4))
, fBool_Type(Type::MakeScalarType("bool", Type::NumberKind::kBoolean, /*priority=*/-1))
, fBool2_Type(Type::MakeVectorType("bool2", *fBool_Type, /*columns=*/2))
, fBool3_Type(Type::MakeVectorType("bool3", *fBool_Type, /*columns=*/3))
, fBool4_Type(Type::MakeVectorType("bool4", *fBool_Type, /*columns=*/4))
, fFloat2x2_Type(
Type::MakeMatrixType("float2x2", *fFloat_Type, /*columns=*/2, /*rows=*/2))
, fFloat2x3_Type(
Type::MakeMatrixType("float2x3", *fFloat_Type, /*columns=*/2, /*rows=*/3))
, fFloat2x4_Type(
Type::MakeMatrixType("float2x4", *fFloat_Type, /*columns=*/2, /*rows=*/4))
, fFloat3x2_Type(
Type::MakeMatrixType("float3x2", *fFloat_Type, /*columns=*/3, /*rows=*/2))
, fFloat3x3_Type(
Type::MakeMatrixType("float3x3", *fFloat_Type, /*columns=*/3, /*rows=*/3))
, fFloat3x4_Type(
Type::MakeMatrixType("float3x4", *fFloat_Type, /*columns=*/3, /*rows=*/4))
, fFloat4x2_Type(
Type::MakeMatrixType("float4x2", *fFloat_Type, /*columns=*/4, /*rows=*/2))
, fFloat4x3_Type(
Type::MakeMatrixType("float4x3", *fFloat_Type, /*columns=*/4, /*rows=*/3))
, fFloat4x4_Type(
Type::MakeMatrixType("float4x4", *fFloat_Type, /*columns=*/4, /*rows=*/4))
, fHalf2x2_Type(Type::MakeMatrixType("half2x2", *fHalf_Type, /*columns=*/2, /*rows=*/2))
, fHalf2x3_Type(Type::MakeMatrixType("half2x3", *fHalf_Type, /*columns=*/2, /*rows=*/3))
, fHalf2x4_Type(Type::MakeMatrixType("half2x4", *fHalf_Type, /*columns=*/2, /*rows=*/4))
, fHalf3x2_Type(Type::MakeMatrixType("half3x2", *fHalf_Type, /*columns=*/3, /*rows=*/2))
, fHalf3x3_Type(Type::MakeMatrixType("half3x3", *fHalf_Type, /*columns=*/3, /*rows=*/3))
, fHalf3x4_Type(Type::MakeMatrixType("half3x4", *fHalf_Type, /*columns=*/3, /*rows=*/4))
, fHalf4x2_Type(Type::MakeMatrixType("half4x2", *fHalf_Type, /*columns=*/4, /*rows=*/2))
, fHalf4x3_Type(Type::MakeMatrixType("half4x3", *fHalf_Type, /*columns=*/4, /*rows=*/3))
, fHalf4x4_Type(Type::MakeMatrixType("half4x4", *fHalf_Type, /*columns=*/4, /*rows=*/4))
, fTexture1D_Type(Type::MakeTextureType("texture1D",
SpvDim1D,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
, fTexture2D_Type(Type::MakeTextureType("texture2D",
SpvDim2D,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
, fTexture3D_Type(Type::MakeTextureType("texture3D",
SpvDim3D,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
, fTextureExternalOES_Type(Type::MakeTextureType("textureExternalOES",
SpvDim2D,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
, fTextureCube_Type(Type::MakeTextureType("textureCube",
SpvDimCube,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
, fTexture2DRect_Type(Type::MakeTextureType("texture2DRect",
SpvDimRect,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
, fTextureBuffer_Type(Type::MakeTextureType("textureBuffer",
SpvDimBuffer,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
, fITexture2D_Type(Type::MakeTextureType("itexture2D",
SpvDim2D,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
, fSampler1D_Type(Type::MakeSamplerType("sampler1D", *fTexture1D_Type))
, fSampler2D_Type(Type::MakeSamplerType("sampler2D", *fTexture2D_Type))
, fSampler3D_Type(Type::MakeSamplerType("sampler3D", *fTexture3D_Type))
, fSamplerExternalOES_Type(
Type::MakeSamplerType("samplerExternalOES", *fTextureExternalOES_Type))
, fSamplerCube_Type(Type::MakeSamplerType("samplerCube", *fTextureCube_Type))
, fSampler2DRect_Type(Type::MakeSamplerType("sampler2DRect", *fTexture2DRect_Type))
, fSampler1DArray_Type(Type::MakeOtherType("sampler1DArray"))
, fSampler2DArray_Type(Type::MakeOtherType("sampler2DArray"))
, fSamplerCubeArray_Type(Type::MakeOtherType("samplerCubeArray"))
, fSamplerBuffer_Type(Type::MakeSamplerType("samplerBuffer", *fTextureBuffer_Type))
, fSampler2DMS_Type(Type::MakeOtherType("sampler2DMS"))
, fSampler2DMSArray_Type(Type::MakeOtherType("sampler2DMSArray"))
, fSampler1DShadow_Type(Type::MakeOtherType("sampler1DShadow"))
, fSampler2DShadow_Type(Type::MakeOtherType("sampler2DShadow"))
, fSamplerCubeShadow_Type(Type::MakeOtherType("samplerCubeShadow"))
, fSampler2DRectShadow_Type(Type::MakeOtherType("sampler2DRectShadow"))
, fSampler1DArrayShadow_Type(Type::MakeOtherType("sampler1DArrayShadow"))
, fSampler2DArrayShadow_Type(Type::MakeOtherType("sampler2DArrayShadow"))
, fSamplerCubeArrayShadow_Type(Type::MakeOtherType("samplerCubeArrayShadow"))
// Related to below FIXME, gsampler*s don't currently expand to cover integer case.
, fISampler2D_Type(Type::MakeSamplerType("isampler2D", *fITexture2D_Type))
, fSampler_Type(Type::MakeSimpleType("sampler", Type::TypeKind::kSeparateSampler))
// FIXME express these as "gimage2D" that expand to image2D, iimage2D, and uimage2D.
, fImage2D_Type(Type::MakeTextureType("image2D",
SpvDim2D,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
, fIImage2D_Type(Type::MakeTextureType("iimage2D",
SpvDim2D,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/true))
// FIXME express these as "gsubpassInput" that expand to subpassInput, isubpassInput,
// and usubpassInput.
, fSubpassInput_Type(Type::MakeTextureType("subpassInput",
SpvDimSubpassData,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/false,
/*isSampled=*/false))
, fSubpassInputMS_Type(Type::MakeTextureType("subpassInputMS",
SpvDimSubpassData,
/*isDepth=*/false,
/*isArrayedTexture=*/false,
/*isMultisampled=*/true,
/*isSampled=*/false))
// FIXME figure out what we're supposed to do with the gsampler et al. types)
, fGSampler1D_Type(Type::MakeGenericType("$gsampler1D", static_type(*fSampler1D_Type)))
, fGSampler2D_Type(Type::MakeGenericType("$gsampler2D", static_type(*fSampler2D_Type)))
, fGSampler3D_Type(Type::MakeGenericType("$gsampler3D", static_type(*fSampler3D_Type)))
, fGSamplerCube_Type(
Type::MakeGenericType("$gsamplerCube", static_type(*fSamplerCube_Type)))
, fGSampler2DRect_Type(
Type::MakeGenericType("$gsampler2DRect", static_type(*fSampler2DRect_Type)))
, fGSampler1DArray_Type(
Type::MakeGenericType("$gsampler1DArray", static_type(*fSampler1DArray_Type)))
, fGSampler2DArray_Type(
Type::MakeGenericType("$gsampler2DArray", static_type(*fSampler2DArray_Type)))
, fGSamplerCubeArray_Type(Type::MakeGenericType("$gsamplerCubeArray",
static_type(*fSamplerCubeArray_Type)))
, fGSamplerBuffer_Type(
Type::MakeGenericType("$gsamplerBuffer", static_type(*fSamplerBuffer_Type)))
, fGSampler2DMS_Type(
Type::MakeGenericType("$gsampler2DMS", static_type(*fSampler2DMS_Type)))
, fGSampler2DMSArray_Type(Type::MakeGenericType("$gsampler2DMSArray",
static_type(*fSampler2DMSArray_Type)))
, fGSampler2DArrayShadow_Type(Type::MakeGenericType(
"$gsampler2DArrayShadow", static_type(*fSampler2DArrayShadow_Type)))
, fGSamplerCubeArrayShadow_Type(Type::MakeGenericType(
"$gsamplerCubeArrayShadow", static_type(*fSamplerCubeArrayShadow_Type)))
, fGenType_Type(Type::MakeGenericType("$genType",
{fFloat_Type.get(), fFloat2_Type.get(),
fFloat3_Type.get(), fFloat4_Type.get()}))
, fGenHType_Type(Type::MakeGenericType(
"$genHType",
{fHalf_Type.get(), fHalf2_Type.get(), fHalf3_Type.get(), fHalf4_Type.get()}))
, fGenIType_Type(Type::MakeGenericType(
"$genIType",
{fInt_Type.get(), fInt2_Type.get(), fInt3_Type.get(), fInt4_Type.get()}))
, fGenUType_Type(Type::MakeGenericType(
"$genUType",
{fUInt_Type.get(), fUInt2_Type.get(), fUInt3_Type.get(), fUInt4_Type.get()}))
, fGenBType_Type(Type::MakeGenericType(
"$genBType",
{fBool_Type.get(), fBool2_Type.get(), fBool3_Type.get(), fBool4_Type.get()}))
, fMat_Type(Type::MakeGenericType(
"$mat",
{fFloat2x2_Type.get(), fFloat2x3_Type.get(), fFloat2x4_Type.get(),
fFloat3x2_Type.get(), fFloat3x3_Type.get(), fFloat3x4_Type.get(),
fFloat4x2_Type.get(), fFloat4x3_Type.get(), fFloat4x4_Type.get()}))
, fMatH_Type(Type::MakeGenericType(
"$matH",
{fHalf2x2_Type.get(), fHalf2x3_Type.get(), fHalf2x4_Type.get(),
fHalf3x2_Type.get(), fHalf3x3_Type.get(), fHalf3x4_Type.get(),
fHalf4x2_Type.get(), fHalf4x3_Type.get(), fHalf4x4_Type.get()}))
, fVec_Type(Type::MakeGenericType("$vec",
{fInvalid_Type.get(), fFloat2_Type.get(),
fFloat3_Type.get(), fFloat4_Type.get()}))
, fGVec_Type(Type::MakeOtherType("$gvec"))
, fGVec2_Type(Type::MakeOtherType("$gfloat2"))
, fGVec3_Type(Type::MakeOtherType("$gfloat3"))
, fGVec4_Type(Type::MakeGenericType("$gfloat4", static_type(*fFloat4_Type)))
, fHVec_Type(Type::MakeGenericType("$hvec",
{fInvalid_Type.get(), fHalf2_Type.get(),
fHalf3_Type.get(), fHalf4_Type.get()}))
, fIVec_Type(Type::MakeGenericType(
"$ivec",
{fInvalid_Type.get(), fInt2_Type.get(), fInt3_Type.get(), fInt4_Type.get()}))
, fUVec_Type(Type::MakeGenericType("$uvec",
{fInvalid_Type.get(), fUInt2_Type.get(),
fUInt3_Type.get(), fUInt4_Type.get()}))
, fSVec_Type(Type::MakeGenericType("$svec",
{fInvalid_Type.get(), fShort2_Type.get(),
fShort3_Type.get(), fShort4_Type.get()}))
, fUSVec_Type(Type::MakeGenericType("$usvec",
{fInvalid_Type.get(), fUShort2_Type.get(),
fUShort3_Type.get(), fUShort4_Type.get()}))
, fByteVec_Type(Type::MakeGenericType("$bytevec",
{fInvalid_Type.get(), fByte2_Type.get(),
fByte3_Type.get(), fByte4_Type.get()}))
, fUByteVec_Type(Type::MakeGenericType("$ubytevec",
{fInvalid_Type.get(), fUByte2_Type.get(),
fUByte3_Type.get(), fUByte4_Type.get()}))
, fBVec_Type(Type::MakeGenericType("$bvec",
{fInvalid_Type.get(), fBool2_Type.get(),
fBool3_Type.get(), fBool4_Type.get()}))
, fSkCaps_Type(Type::MakeOtherType("$sk_Caps"))
, fFragmentProcessor_Type(fp_type(fInt_Type.get(), fBool_Type.get()))
, fDefined_Expression(new Defined(fInvalid_Type.get())) {}
static std::vector<const Type*> static_type(const Type& t) {
return { &t, &t, &t, &t };
}
const std::unique_ptr<Type> fInvalid_Type;
const std::unique_ptr<Type> fVoid_Type;
const std::unique_ptr<Type> fNull_Type;
const std::unique_ptr<Type> fFloatLiteral_Type;
const std::unique_ptr<Type> fIntLiteral_Type;
const std::unique_ptr<Type> fFloat_Type;
const std::unique_ptr<Type> fFloat2_Type;
const std::unique_ptr<Type> fFloat3_Type;
const std::unique_ptr<Type> fFloat4_Type;
const std::unique_ptr<Type> fHalf_Type;
const std::unique_ptr<Type> fHalf2_Type;
const std::unique_ptr<Type> fHalf3_Type;
const std::unique_ptr<Type> fHalf4_Type;
const std::unique_ptr<Type> fUInt_Type;
const std::unique_ptr<Type> fUInt2_Type;
const std::unique_ptr<Type> fUInt3_Type;
const std::unique_ptr<Type> fUInt4_Type;
const std::unique_ptr<Type> fInt_Type;
const std::unique_ptr<Type> fInt2_Type;
const std::unique_ptr<Type> fInt3_Type;
const std::unique_ptr<Type> fInt4_Type;
const std::unique_ptr<Type> fUShort_Type;
const std::unique_ptr<Type> fUShort2_Type;
const std::unique_ptr<Type> fUShort3_Type;
const std::unique_ptr<Type> fUShort4_Type;
const std::unique_ptr<Type> fShort_Type;
const std::unique_ptr<Type> fShort2_Type;
const std::unique_ptr<Type> fShort3_Type;
const std::unique_ptr<Type> fShort4_Type;
const std::unique_ptr<Type> fUByte_Type;
const std::unique_ptr<Type> fUByte2_Type;
const std::unique_ptr<Type> fUByte3_Type;
const std::unique_ptr<Type> fUByte4_Type;
const std::unique_ptr<Type> fByte_Type;
const std::unique_ptr<Type> fByte2_Type;
const std::unique_ptr<Type> fByte3_Type;
const std::unique_ptr<Type> fByte4_Type;
const std::unique_ptr<Type> fBool_Type;
const std::unique_ptr<Type> fBool2_Type;
const std::unique_ptr<Type> fBool3_Type;
const std::unique_ptr<Type> fBool4_Type;
const std::unique_ptr<Type> fFloat2x2_Type;
const std::unique_ptr<Type> fFloat2x3_Type;
const std::unique_ptr<Type> fFloat2x4_Type;
const std::unique_ptr<Type> fFloat3x2_Type;
const std::unique_ptr<Type> fFloat3x3_Type;
const std::unique_ptr<Type> fFloat3x4_Type;
const std::unique_ptr<Type> fFloat4x2_Type;
const std::unique_ptr<Type> fFloat4x3_Type;
const std::unique_ptr<Type> fFloat4x4_Type;
const std::unique_ptr<Type> fHalf2x2_Type;
const std::unique_ptr<Type> fHalf2x3_Type;
const std::unique_ptr<Type> fHalf2x4_Type;
const std::unique_ptr<Type> fHalf3x2_Type;
const std::unique_ptr<Type> fHalf3x3_Type;
const std::unique_ptr<Type> fHalf3x4_Type;
const std::unique_ptr<Type> fHalf4x2_Type;
const std::unique_ptr<Type> fHalf4x3_Type;
const std::unique_ptr<Type> fHalf4x4_Type;
const std::unique_ptr<Type> fTexture1D_Type;
const std::unique_ptr<Type> fTexture2D_Type;
const std::unique_ptr<Type> fTexture3D_Type;
const std::unique_ptr<Type> fTextureExternalOES_Type;
const std::unique_ptr<Type> fTextureCube_Type;
const std::unique_ptr<Type> fTexture2DRect_Type;
const std::unique_ptr<Type> fTextureBuffer_Type;
const std::unique_ptr<Type> fITexture2D_Type;
const std::unique_ptr<Type> fSampler1D_Type;
const std::unique_ptr<Type> fSampler2D_Type;
const std::unique_ptr<Type> fSampler3D_Type;
const std::unique_ptr<Type> fSamplerExternalOES_Type;
const std::unique_ptr<Type> fSamplerCube_Type;
const std::unique_ptr<Type> fSampler2DRect_Type;
const std::unique_ptr<Type> fSampler1DArray_Type;
const std::unique_ptr<Type> fSampler2DArray_Type;
const std::unique_ptr<Type> fSamplerCubeArray_Type;
const std::unique_ptr<Type> fSamplerBuffer_Type;
const std::unique_ptr<Type> fSampler2DMS_Type;
const std::unique_ptr<Type> fSampler2DMSArray_Type;
const std::unique_ptr<Type> fSampler1DShadow_Type;
const std::unique_ptr<Type> fSampler2DShadow_Type;
const std::unique_ptr<Type> fSamplerCubeShadow_Type;
const std::unique_ptr<Type> fSampler2DRectShadow_Type;
const std::unique_ptr<Type> fSampler1DArrayShadow_Type;
const std::unique_ptr<Type> fSampler2DArrayShadow_Type;
const std::unique_ptr<Type> fSamplerCubeArrayShadow_Type;
const std::unique_ptr<Type> fISampler2D_Type;
const std::unique_ptr<Type> fSampler_Type;
const std::unique_ptr<Type> fImage2D_Type;
const std::unique_ptr<Type> fIImage2D_Type;
const std::unique_ptr<Type> fSubpassInput_Type;
const std::unique_ptr<Type> fSubpassInputMS_Type;
const std::unique_ptr<Type> fGSampler1D_Type;
const std::unique_ptr<Type> fGSampler2D_Type;
const std::unique_ptr<Type> fGSampler3D_Type;
const std::unique_ptr<Type> fGSamplerCube_Type;
const std::unique_ptr<Type> fGSampler2DRect_Type;
const std::unique_ptr<Type> fGSampler1DArray_Type;
const std::unique_ptr<Type> fGSampler2DArray_Type;
const std::unique_ptr<Type> fGSamplerCubeArray_Type;
const std::unique_ptr<Type> fGSamplerBuffer_Type;
const std::unique_ptr<Type> fGSampler2DMS_Type;
const std::unique_ptr<Type> fGSampler2DMSArray_Type;
const std::unique_ptr<Type> fGSampler2DArrayShadow_Type;
const std::unique_ptr<Type> fGSamplerCubeArrayShadow_Type;
const std::unique_ptr<Type> fGenType_Type;
const std::unique_ptr<Type> fGenHType_Type;
const std::unique_ptr<Type> fGenIType_Type;
const std::unique_ptr<Type> fGenUType_Type;
const std::unique_ptr<Type> fGenBType_Type;
const std::unique_ptr<Type> fMat_Type;
const std::unique_ptr<Type> fMatH_Type;
const std::unique_ptr<Type> fVec_Type;
const std::unique_ptr<Type> fGVec_Type;
const std::unique_ptr<Type> fGVec2_Type;
const std::unique_ptr<Type> fGVec3_Type;
const std::unique_ptr<Type> fGVec4_Type;
const std::unique_ptr<Type> fHVec_Type;
const std::unique_ptr<Type> fDVec_Type;
const std::unique_ptr<Type> fIVec_Type;
const std::unique_ptr<Type> fUVec_Type;
const std::unique_ptr<Type> fSVec_Type;
const std::unique_ptr<Type> fUSVec_Type;
const std::unique_ptr<Type> fByteVec_Type;
const std::unique_ptr<Type> fUByteVec_Type;
const std::unique_ptr<Type> fBVec_Type;
const std::unique_ptr<Type> fSkCaps_Type;
const std::unique_ptr<Type> fFragmentProcessor_Type;
// sentinel expression used to mark that a variable has a value during dataflow analysis (when
// it could have several different values, or the analyzer is otherwise unable to assign it a
// specific expression)
const std::unique_ptr<Expression> fDefined_Expression;
private:
class Defined final : public Expression {
public:
static constexpr Kind kExpressionKind = Kind::kDefined;
Defined(const Type* type)
: INHERITED(-1, kExpressionKind, type) {}
bool hasProperty(Property property) const override {
return false;
}
String description() const override {
return "<defined>";
}
std::unique_ptr<Expression> clone() const override {
return std::unique_ptr<Expression>(new Defined(&this->type()));
}
using INHERITED = Expression;
};
static std::unique_ptr<Type> fp_type(const Type* intType, const Type* boolType) {
// Build fields for FragmentProcessors, which should parallel the
// C++ API for GrFragmentProcessor.
Modifiers mods(Layout(), Modifiers::kConst_Flag);
std::vector<Type::Field> fields = {
Type::Field(mods, "numTextureSamplers", intType),
Type::Field(mods, "numChildProcessors", intType),
Type::Field(mods, "usesLocalCoords", boolType),
Type::Field(mods, "compatibleWithCoverageAsAlpha", boolType),
Type::Field(mods, "preservesOpaqueInput", boolType),
Type::Field(mods, "hasConstantOutputForConstantInput", boolType)
};
return Type::MakeOtherStruct("fragmentProcessor", std::move(fields));
}
};
} // namespace SkSL
#endif