blob: edc50b899c5284cfc1f649ab5fcb9e725295360b [file] [log] [blame]
//
// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
//
// Create symbols that declare built-in definitions, add built-ins that
// cannot be expressed in the files, and establish mappings between
// built-in functions and operators.
//
#include "compiler/translator/Initialize.h"
#include "compiler/translator/Cache.h"
#include "compiler/translator/IntermNode.h"
#include "angle_gl.h"
namespace sh
{
void InsertBuiltInFunctions(sh::GLenum type,
ShShaderSpec spec,
const ShBuiltInResources &resources,
TSymbolTable &symbolTable)
{
const TType *voidType = TCache::getType(EbtVoid);
const TType *float1 = TCache::getType(EbtFloat);
const TType *float2 = TCache::getType(EbtFloat, 2);
const TType *float3 = TCache::getType(EbtFloat, 3);
const TType *float4 = TCache::getType(EbtFloat, 4);
const TType *int1 = TCache::getType(EbtInt);
const TType *int2 = TCache::getType(EbtInt, 2);
const TType *int3 = TCache::getType(EbtInt, 3);
const TType *uint1 = TCache::getType(EbtUInt);
const TType *bool1 = TCache::getType(EbtBool);
const TType *genType = TCache::getType(EbtGenType);
const TType *genIType = TCache::getType(EbtGenIType);
const TType *genUType = TCache::getType(EbtGenUType);
const TType *genBType = TCache::getType(EbtGenBType);
//
// Angle and Trigonometric Functions.
//
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpRadians, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpDegrees, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSin, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpCos, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpTan, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAsin, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAcos, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAtan, genType, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAtan, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpSinh, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpCosh, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTanh, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpAsinh, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpAcosh, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpAtanh, genType, genType);
//
// Exponential Functions.
//
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpPow, genType, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpExp, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLog, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpExp2, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLog2, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSqrt, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpInverseSqrt, genType, genType);
//
// Common Functions.
//
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAbs, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpAbs, genIType, genIType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSign, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpSign, genIType, genIType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpFloor, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTrunc, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpRound, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpRoundEven, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpCeil, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpFract, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMod, genType, genType, float1);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMod, genType, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMin, genType, genType, float1);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMin, genType, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMin, genIType, genIType, genIType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMin, genIType, genIType, int1);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMin, genUType, genUType, genUType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMin, genUType, genUType, uint1);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMax, genType, genType, float1);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMax, genType, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMax, genIType, genIType, genIType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMax, genIType, genIType, int1);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMax, genUType, genUType, genUType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMax, genUType, genUType, uint1);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpClamp, genType, genType, float1, float1);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpClamp, genType, genType, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpClamp, genIType, genIType, int1, int1);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpClamp, genIType, genIType, genIType, genIType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpClamp, genUType, genUType, uint1, uint1);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpClamp, genUType, genUType, genUType, genUType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMix, genType, genType, genType, float1);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMix, genType, genType, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMix, genType, genType, genType, genBType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpStep, genType, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpStep, genType, float1, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSmoothStep, genType, genType, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSmoothStep, genType, float1, float1, genType);
const TType *outGenType = TCache::getType(EbtGenType, EvqOut);
const TType *outGenIType = TCache::getType(EbtGenIType, EvqOut);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpModf, genType, genType, outGenType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpIsNan, genBType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpIsInf, genBType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpFloatBitsToInt, genIType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpFloatBitsToUint, genUType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpIntBitsToFloat, genType, genIType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpUintBitsToFloat, genType, genUType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFrexp, genType, genType, outGenIType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpLdexp, genType, genType, genIType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpPackSnorm2x16, uint1, float2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpPackUnorm2x16, uint1, float2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpPackHalf2x16, uint1, float2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpUnpackSnorm2x16, float2, uint1);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpUnpackUnorm2x16, float2, uint1);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpUnpackHalf2x16, float2, uint1);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpPackUnorm4x8, uint1, float4);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpPackSnorm4x8, uint1, float4);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUnpackUnorm4x8, float4, uint1);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUnpackSnorm4x8, float4, uint1);
//
// Geometric Functions.
//
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLength, float1, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpDistance, float1, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpDot, float1, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpCross, float3, float3, float3);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpNormalize, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpFaceForward, genType, genType, genType,
genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpReflect, genType, genType, genType);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpRefract, genType, genType, genType, float1);
const TType *mat2 = TCache::getType(EbtFloat, 2, 2);
const TType *mat3 = TCache::getType(EbtFloat, 3, 3);
const TType *mat4 = TCache::getType(EbtFloat, 4, 4);
const TType *mat2x3 = TCache::getType(EbtFloat, 2, 3);
const TType *mat3x2 = TCache::getType(EbtFloat, 3, 2);
const TType *mat2x4 = TCache::getType(EbtFloat, 2, 4);
const TType *mat4x2 = TCache::getType(EbtFloat, 4, 2);
const TType *mat3x4 = TCache::getType(EbtFloat, 3, 4);
const TType *mat4x3 = TCache::getType(EbtFloat, 4, 3);
//
// Matrix Functions.
//
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMulMatrixComponentWise, mat2, mat2, mat2);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMulMatrixComponentWise, mat3, mat3, mat3);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMulMatrixComponentWise, mat4, mat4, mat4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat2x3, mat2x3, mat2x3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat3x2, mat3x2, mat3x2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat2x4, mat2x4, mat2x4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat4x2, mat4x2, mat4x2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat3x4, mat3x4, mat3x4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat4x3, mat4x3, mat4x3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat2, float2, float2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat3, float3, float3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat4, float4, float4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat2x3, float3, float2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat3x2, float2, float3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat2x4, float4, float2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat4x2, float2, float4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat3x4, float4, float3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat4x3, float3, float4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat2, mat2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat3, mat3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat4, mat4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat2x3, mat3x2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat3x2, mat2x3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat2x4, mat4x2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat4x2, mat2x4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat3x4, mat4x3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat4x3, mat3x4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDeterminant, float1, mat2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDeterminant, float1, mat3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDeterminant, float1, mat4);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpInverse, mat2, mat2);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpInverse, mat3, mat3);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpInverse, mat4, mat4);
const TType *vec = TCache::getType(EbtVec);
const TType *ivec = TCache::getType(EbtIVec);
const TType *uvec = TCache::getType(EbtUVec);
const TType *bvec = TCache::getType(EbtBVec);
//
// Vector relational functions.
//
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLessThanComponentWise, bvec, vec, vec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLessThanComponentWise, bvec, ivec, ivec);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpLessThanComponentWise, bvec, uvec, uvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLessThanEqualComponentWise, bvec, vec, vec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLessThanEqualComponentWise, bvec, ivec, ivec);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpLessThanEqualComponentWise, bvec, uvec, uvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpGreaterThanComponentWise, bvec, vec, vec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpGreaterThanComponentWise, bvec, ivec, ivec);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpGreaterThanComponentWise, bvec, uvec, uvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpGreaterThanEqualComponentWise, bvec, vec, vec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpGreaterThanEqualComponentWise, bvec, ivec,
ivec);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpGreaterThanEqualComponentWise, bvec, uvec, uvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpEqualComponentWise, bvec, vec, vec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpEqualComponentWise, bvec, ivec, ivec);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpEqualComponentWise, bvec, uvec, uvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpEqualComponentWise, bvec, bvec, bvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpNotEqualComponentWise, bvec, vec, vec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpNotEqualComponentWise, bvec, ivec, ivec);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpNotEqualComponentWise, bvec, uvec, uvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpNotEqualComponentWise, bvec, bvec, bvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAny, bool1, bvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAll, bool1, bvec);
symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLogicalNotComponentWise, bvec, bvec);
//
// Integer functions
//
const TType *outGenUType = TCache::getType(EbtGenUType, EvqOut);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldExtract, genIType, genIType, int1,
int1);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldExtract, genUType, genUType, int1,
int1);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldInsert, genIType, genIType, genIType,
int1, int1);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldInsert, genUType, genUType, genUType,
int1, int1);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldReverse, genIType, genIType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldReverse, genUType, genUType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitCount, genIType, genIType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitCount, genIType, genUType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFindLSB, genIType, genIType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFindLSB, genIType, genUType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFindMSB, genIType, genIType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFindMSB, genIType, genUType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUaddCarry, genUType, genUType, genUType,
outGenUType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUsubBorrow, genUType, genUType, genUType,
outGenUType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUmulExtended, voidType, genUType, genUType,
outGenUType, outGenUType);
symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpImulExtended, voidType, genIType, genIType,
outGenIType, outGenIType);
const TType *sampler2D = TCache::getType(EbtSampler2D);
const TType *samplerCube = TCache::getType(EbtSamplerCube);
//
// Texture Functions for GLSL ES 1.0
//
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3);
if (resources.OES_EGL_image_external || resources.NV_EGL_stream_consumer_external)
{
const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", samplerExternalOES, float2);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES,
float3);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES,
float4);
}
if (resources.ARB_texture_rectangle)
{
const TType *sampler2DRect = TCache::getType(EbtSampler2DRect);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRect", sampler2DRect, float2);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRectProj", sampler2DRect,
float3);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRectProj", sampler2DRect,
float4);
}
if (resources.EXT_shader_texture_lod)
{
/* The *Grad* variants are new to both vertex and fragment shaders; the fragment
* shader specific pieces are added separately below.
*/
symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4,
"texture2DGradEXT", sampler2D, float2, float2, float2);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4,
"texture2DProjGradEXT", sampler2D, float3, float2, float2);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4,
"texture2DProjGradEXT", sampler2D, float4, float2, float2);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4,
"textureCubeGradEXT", samplerCube, float3, float3, float3);
}
if (type == GL_FRAGMENT_SHADER)
{
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2, float1);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3,
float1);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4,
float1);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3,
float1);
if (resources.OES_standard_derivatives)
{
symbolTable.insertBuiltInOp(ESSL1_BUILTINS, EOpDFdx, "GL_OES_standard_derivatives",
genType, genType);
symbolTable.insertBuiltInOp(ESSL1_BUILTINS, EOpDFdy, "GL_OES_standard_derivatives",
genType, genType);
symbolTable.insertBuiltInOp(ESSL1_BUILTINS, EOpFwidth, "GL_OES_standard_derivatives",
genType, genType);
}
if (resources.EXT_shader_texture_lod)
{
symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4,
"texture2DLodEXT", sampler2D, float2, float1);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4,
"texture2DProjLodEXT", sampler2D, float3, float1);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4,
"texture2DProjLodEXT", sampler2D, float4, float1);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4,
"textureCubeLodEXT", samplerCube, float3, float1);
}
}
if (type == GL_VERTEX_SHADER)
{
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DLod", sampler2D, float2,
float1);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float3,
float1);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float4,
float1);
symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeLod", samplerCube, float3,
float1);
}
const TType *gvec4 = TCache::getType(EbtGVec4);
const TType *gsampler2D = TCache::getType(EbtGSampler2D);
const TType *gsamplerCube = TCache::getType(EbtGSamplerCube);
const TType *gsampler3D = TCache::getType(EbtGSampler3D);
const TType *gsampler2DArray = TCache::getType(EbtGSampler2DArray);
const TType *gsampler2DMS = TCache::getType(EbtGSampler2DMS);
//
// Texture Functions for GLSL ES 3.0
//
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2D, float2, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler3D, float3, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsamplerCube, float3, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2DArray, float3, float1);
if (resources.OES_EGL_image_external_essl3)
{
const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", samplerExternalOES, float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
float4);
}
if (resources.EXT_YUV_target)
{
const TType *samplerExternal2DY2YEXT = TCache::getType(EbtSamplerExternal2DY2YEXT);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", float4, "texture",
samplerExternal2DY2YEXT, float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", float4, "textureProj",
samplerExternal2DY2YEXT, float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", float4, "textureProj",
samplerExternal2DY2YEXT, float4);
const TType *yuvCscStandardEXT = TCache::getType(EbtYuvCscStandardEXT);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", float3, "rgb_2_yuv", float3,
yuvCscStandardEXT);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", float3, "yuv_2_rgb", float3,
yuvCscStandardEXT);
}
if (type == GL_FRAGMENT_SHADER)
{
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3,
float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4, float1);
if (resources.OES_EGL_image_external_essl3)
{
const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", samplerExternalOES, float2,
float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
float3, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
float4, float1);
}
if (resources.EXT_YUV_target)
{
const TType *samplerExternal2DY2YEXT = TCache::getType(EbtSamplerExternal2DY2YEXT);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", float4, "texture",
samplerExternal2DY2YEXT, float2, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", float4, "textureProj",
samplerExternal2DY2YEXT, float3, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", float4, "textureProj",
samplerExternal2DY2YEXT, float4, float1);
}
}
const TType *sampler2DShadow = TCache::getType(EbtSampler2DShadow);
const TType *samplerCubeShadow = TCache::getType(EbtSamplerCubeShadow);
const TType *sampler2DArrayShadow = TCache::getType(EbtSampler2DArrayShadow);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DShadow, float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", samplerCubeShadow, float4);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DArrayShadow, float4);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProj", sampler2DShadow, float4);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureLod", sampler2DShadow, float3,
float1);
if (type == GL_FRAGMENT_SHADER)
{
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DShadow, float3,
float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", samplerCubeShadow, float4,
float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProj", sampler2DShadow, float4,
float1);
}
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsampler2D, int1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler3D, int1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsamplerCube, int1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler2DArray, int1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", sampler2DShadow, int1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerCubeShadow, int1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", sampler2DArrayShadow, int1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsampler2DMS);
if (resources.OES_EGL_image_external_essl3)
{
const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerExternalOES, int1);
}
if (resources.EXT_YUV_target)
{
const TType *samplerExternal2DY2YEXT = TCache::getType(EbtSamplerExternal2DY2YEXT);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", int2, "textureSize",
samplerExternal2DY2YEXT, int1);
}
if (type == GL_FRAGMENT_SHADER)
{
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDFdx, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDFdy, genType, genType);
symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpFwidth, genType, genType);
}
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3,
int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3,
int2);
if (type == GL_FRAGMENT_SHADER)
{
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2,
float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3,
float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3,
int2, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3,
int2, float1);
}
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4, int3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow, float4,
int2);
if (type == GL_FRAGMENT_SHADER)
{
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3,
int2, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4,
int2, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4,
int3, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow,
float4, int2, float1);
}
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2D, float2, float1,
int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler3D, float3, float1,
int3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureLodOffset", sampler2DShadow, float3,
float1, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2DArray, float3,
float1, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float3, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float4, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler3D, float4, float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLod", sampler2DShadow, float4,
float1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float3,
float1, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float4,
float1, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler3D, float4,
float1, int3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLodOffset", sampler2DShadow,
float4, float1, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2D, int2, int1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler3D, int3, int1);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2DArray, int3, int1);
if (resources.OES_EGL_image_external_essl3)
{
const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texelFetch", samplerExternalOES, int2,
int1);
}
if (resources.EXT_YUV_target)
{
const TType *samplerExternal2DY2YEXT = TCache::getType(EbtSamplerExternal2DY2YEXT);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, "GL_EXT_YUV_target", float4, "texelFetch",
samplerExternal2DY2YEXT, int2, int1);
}
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2D, int2, int1,
int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler3D, int3, int1,
int3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2DArray, int3,
int1, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2D, float2, float2,
float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler3D, float3, float3,
float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsamplerCube, float3, float3,
float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DShadow, float3,
float2, float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", samplerCubeShadow, float4,
float3, float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2DArray, float3, float2,
float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DArrayShadow, float4,
float2, float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2D, float2,
float2, float2, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler3D, float3,
float3, float3, int3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DShadow, float3,
float2, float2, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2DArray, float3,
float2, float2, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DArrayShadow,
float4, float2, float2, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float3, float2,
float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float4, float2,
float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler3D, float4, float3,
float3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGrad", sampler2DShadow, float4,
float2, float2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float3,
float2, float2, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float4,
float2, float2, int2);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler3D, float4,
float3, float3, int3);
symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGradOffset", sampler2DShadow,
float4, float2, float2, int2);
const TType *gimage2D = TCache::getType(EbtGImage2D);
const TType *gimage3D = TCache::getType(EbtGImage3D);
const TType *gimage2DArray = TCache::getType(EbtGImage2DArray);
const TType *gimageCube = TCache::getType(EbtGImageCube);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, voidType, "imageStore", gimage2D, int2, gvec4);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, voidType, "imageStore", gimage3D, int3, gvec4);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, voidType, "imageStore", gimage2DArray, int3, gvec4);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, voidType, "imageStore", gimageCube, int3, gvec4);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "imageLoad", gimage2D, int2);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "imageLoad", gimage3D, int3);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "imageLoad", gimage2DArray, int3);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "imageLoad", gimageCube, int3);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int2, "imageSize", gimage2D);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int3, "imageSize", gimage3D);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int3, "imageSize", gimage2DArray);
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int2, "imageSize", gimageCube);
symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrier, voidType,
"memoryBarrier");
symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrierAtomicCounter,
voidType, "memoryBarrierAtomicCounter");
symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrierBuffer,
voidType, "memoryBarrierBuffer");
symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrierImage, voidType,
"memoryBarrierImage");
symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "texelFetch", gsampler2DMS, int2, int1);
if (type == GL_COMPUTE_SHADER)
{
symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpBarrier, voidType,
"barrier");
symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrierShared,
voidType, "memoryBarrierShared");
symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpGroupMemoryBarrier,
voidType, "groupMemoryBarrier");
}
//
// Depth range in window coordinates
//
TFieldList *fields = NewPoolTFieldList();
TSourceLoc zeroSourceLoc = {0, 0, 0, 0};
auto highpFloat1 = new TType(EbtFloat, EbpHigh, EvqGlobal, 1);
TField *near = new TField(highpFloat1, NewPoolTString("near"), zeroSourceLoc);
TField *far = new TField(highpFloat1, NewPoolTString("far"), zeroSourceLoc);
TField *diff = new TField(highpFloat1, NewPoolTString("diff"), zeroSourceLoc);
fields->push_back(near);
fields->push_back(far);
fields->push_back(diff);
TStructure *depthRangeStruct =
new TStructure(NewPoolTString("gl_DepthRangeParameters"), fields);
TVariable *depthRangeParameters =
new TVariable(&depthRangeStruct->name(), TType(depthRangeStruct), true);
symbolTable.insert(COMMON_BUILTINS, depthRangeParameters);
TVariable *depthRange = new TVariable(NewPoolTString("gl_DepthRange"), TType(depthRangeStruct));
depthRange->setQualifier(EvqUniform);
// Do lazy initialization for depth range, so we allocate to the current scope.
depthRangeParameters->getType().realize();
depthRange->getType().realize();
symbolTable.insert(COMMON_BUILTINS, depthRange);
//
// Implementation dependent built-in constants.
//
symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexAttribs", resources.MaxVertexAttribs,
EbpMedium);
symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexUniformVectors",
resources.MaxVertexUniformVectors, EbpMedium);
symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexTextureImageUnits",
resources.MaxVertexTextureImageUnits, EbpMedium);
symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxCombinedTextureImageUnits",
resources.MaxCombinedTextureImageUnits, EbpMedium);
symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxTextureImageUnits",
resources.MaxTextureImageUnits, EbpMedium);
symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxFragmentUniformVectors",
resources.MaxFragmentUniformVectors, EbpMedium);
symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxVaryingVectors", resources.MaxVaryingVectors,
EbpMedium);
symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxDrawBuffers", resources.MaxDrawBuffers,
EbpMedium);
if (resources.EXT_blend_func_extended)
{
symbolTable.insertConstIntExt(COMMON_BUILTINS, "GL_EXT_blend_func_extended",
"gl_MaxDualSourceDrawBuffersEXT",
resources.MaxDualSourceDrawBuffers);
}
symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxVertexOutputVectors",
resources.MaxVertexOutputVectors, EbpMedium);
symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxFragmentInputVectors",
resources.MaxFragmentInputVectors, EbpMedium);
symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MinProgramTexelOffset",
resources.MinProgramTexelOffset, EbpMedium);
symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxProgramTexelOffset",
resources.MaxProgramTexelOffset, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxImageUnits", resources.MaxImageUnits,
EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxVertexImageUniforms",
resources.MaxVertexImageUniforms, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxFragmentImageUniforms",
resources.MaxFragmentImageUniforms, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeImageUniforms",
resources.MaxComputeImageUniforms, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxCombinedImageUniforms",
resources.MaxCombinedImageUniforms, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxCombinedShaderOutputResources",
resources.MaxCombinedShaderOutputResources, EbpMedium);
symbolTable.insertConstIvec3(ESSL3_1_BUILTINS, "gl_MaxComputeWorkGroupCount",
resources.MaxComputeWorkGroupCount, EbpHigh);
symbolTable.insertConstIvec3(ESSL3_1_BUILTINS, "gl_MaxComputeWorkGroupSize",
resources.MaxComputeWorkGroupSize, EbpHigh);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeUniformComponents",
resources.MaxComputeUniformComponents, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeTextureImageUnits",
resources.MaxComputeTextureImageUnits, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeAtomicCounters",
resources.MaxComputeAtomicCounters, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeAtomicCounterBuffers",
resources.MaxComputeAtomicCounterBuffers, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxVertexAtomicCounters",
resources.MaxVertexAtomicCounters, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxFragmentAtomicCounters",
resources.MaxFragmentAtomicCounters, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxCombinedAtomicCounters",
resources.MaxCombinedAtomicCounters, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxAtomicCounterBindings",
resources.MaxAtomicCounterBindings, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxVertexAtomicCounterBuffers",
resources.MaxVertexAtomicCounterBuffers, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxFragmentAtomicCounterBuffers",
resources.MaxFragmentAtomicCounterBuffers, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxCombinedAtomicCounterBuffers",
resources.MaxCombinedAtomicCounterBuffers, EbpMedium);
symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxAtomicCounterBufferSize",
resources.MaxAtomicCounterBufferSize, EbpMedium);
}
void IdentifyBuiltIns(sh::GLenum type,
ShShaderSpec spec,
const ShBuiltInResources &resources,
TSymbolTable &symbolTable)
{
//
// Insert some special built-in variables that are not in
// the built-in header files.
//
if (resources.OVR_multiview && type != GL_COMPUTE_SHADER)
{
symbolTable.insert(COMMON_BUILTINS, "GL_OVR_multiview",
new TVariable(NewPoolTString("gl_ViewID_OVR"),
TType(EbtUInt, EbpHigh, EvqViewIDOVR, 1)));
}
switch (type)
{
case GL_FRAGMENT_SHADER:
{
symbolTable.insert(COMMON_BUILTINS,
new TVariable(NewPoolTString("gl_FragCoord"),
TType(EbtFloat, EbpMedium, EvqFragCoord, 4)));
symbolTable.insert(COMMON_BUILTINS,
new TVariable(NewPoolTString("gl_FrontFacing"),
TType(EbtBool, EbpUndefined, EvqFrontFacing, 1)));
symbolTable.insert(COMMON_BUILTINS,
new TVariable(NewPoolTString("gl_PointCoord"),
TType(EbtFloat, EbpMedium, EvqPointCoord, 2)));
symbolTable.insert(ESSL1_BUILTINS,
new TVariable(NewPoolTString("gl_FragColor"),
TType(EbtFloat, EbpMedium, EvqFragColor, 4)));
TType fragData(EbtFloat, EbpMedium, EvqFragData, 4, 1, true);
fragData.setArraySize(resources.MaxDrawBuffers);
symbolTable.insert(ESSL1_BUILTINS,
new TVariable(NewPoolTString("gl_FragData"), fragData));
if (resources.EXT_blend_func_extended)
{
symbolTable.insert(
ESSL1_BUILTINS, "GL_EXT_blend_func_extended",
new TVariable(NewPoolTString("gl_SecondaryFragColorEXT"),
TType(EbtFloat, EbpMedium, EvqSecondaryFragColorEXT, 4)));
TType secondaryFragData(EbtFloat, EbpMedium, EvqSecondaryFragDataEXT, 4, 1, true);
secondaryFragData.setArraySize(resources.MaxDualSourceDrawBuffers);
symbolTable.insert(
ESSL1_BUILTINS, "GL_EXT_blend_func_extended",
new TVariable(NewPoolTString("gl_SecondaryFragDataEXT"), secondaryFragData));
}
if (resources.EXT_frag_depth)
{
symbolTable.insert(
ESSL1_BUILTINS, "GL_EXT_frag_depth",
new TVariable(
NewPoolTString("gl_FragDepthEXT"),
TType(EbtFloat, resources.FragmentPrecisionHigh ? EbpHigh : EbpMedium,
EvqFragDepthEXT, 1)));
}
symbolTable.insert(ESSL3_BUILTINS,
new TVariable(NewPoolTString("gl_FragDepth"),
TType(EbtFloat, EbpHigh, EvqFragDepth, 1)));
if (resources.EXT_shader_framebuffer_fetch || resources.NV_shader_framebuffer_fetch)
{
TType lastFragData(EbtFloat, EbpMedium, EvqLastFragData, 4, 1, true);
lastFragData.setArraySize(resources.MaxDrawBuffers);
if (resources.EXT_shader_framebuffer_fetch)
{
symbolTable.insert(
ESSL1_BUILTINS, "GL_EXT_shader_framebuffer_fetch",
new TVariable(NewPoolTString("gl_LastFragData"), lastFragData));
}
else if (resources.NV_shader_framebuffer_fetch)
{
symbolTable.insert(
ESSL1_BUILTINS, "GL_NV_shader_framebuffer_fetch",
new TVariable(NewPoolTString("gl_LastFragColor"),
TType(EbtFloat, EbpMedium, EvqLastFragColor, 4)));
symbolTable.insert(
ESSL1_BUILTINS, "GL_NV_shader_framebuffer_fetch",
new TVariable(NewPoolTString("gl_LastFragData"), lastFragData));
}
}
else if (resources.ARM_shader_framebuffer_fetch)
{
symbolTable.insert(ESSL1_BUILTINS, "GL_ARM_shader_framebuffer_fetch",
new TVariable(NewPoolTString("gl_LastFragColorARM"),
TType(EbtFloat, EbpMedium, EvqLastFragColor, 4)));
}
}
break;
case GL_VERTEX_SHADER:
symbolTable.insert(COMMON_BUILTINS,
new TVariable(NewPoolTString("gl_Position"),
TType(EbtFloat, EbpHigh, EvqPosition, 4)));
symbolTable.insert(COMMON_BUILTINS,
new TVariable(NewPoolTString("gl_PointSize"),
TType(EbtFloat, EbpMedium, EvqPointSize, 1)));
symbolTable.insert(ESSL3_BUILTINS,
new TVariable(NewPoolTString("gl_InstanceID"),
TType(EbtInt, EbpHigh, EvqInstanceID, 1)));
symbolTable.insert(ESSL3_BUILTINS,
new TVariable(NewPoolTString("gl_VertexID"),
TType(EbtInt, EbpHigh, EvqVertexID, 1)));
break;
case GL_COMPUTE_SHADER:
{
symbolTable.insert(ESSL3_1_BUILTINS,
new TVariable(NewPoolTString("gl_NumWorkGroups"),
TType(EbtUInt, EbpUndefined, EvqNumWorkGroups, 3)));
symbolTable.insert(ESSL3_1_BUILTINS,
new TVariable(NewPoolTString("gl_WorkGroupSize"),
TType(EbtUInt, EbpUndefined, EvqWorkGroupSize, 3)));
symbolTable.insert(ESSL3_1_BUILTINS,
new TVariable(NewPoolTString("gl_WorkGroupID"),
TType(EbtUInt, EbpUndefined, EvqWorkGroupID, 3)));
symbolTable.insert(
ESSL3_1_BUILTINS,
new TVariable(NewPoolTString("gl_LocalInvocationID"),
TType(EbtUInt, EbpUndefined, EvqLocalInvocationID, 3)));
symbolTable.insert(
ESSL3_1_BUILTINS,
new TVariable(NewPoolTString("gl_GlobalInvocationID"),
TType(EbtUInt, EbpUndefined, EvqGlobalInvocationID, 3)));
symbolTable.insert(
ESSL3_1_BUILTINS,
new TVariable(NewPoolTString("gl_LocalInvocationIndex"),
TType(EbtUInt, EbpUndefined, EvqLocalInvocationIndex, 1)));
}
break;
default:
assert(false && "Language not supported");
}
}
void InitExtensionBehavior(const ShBuiltInResources &resources, TExtensionBehavior &extBehavior)
{
if (resources.OES_standard_derivatives)
extBehavior["GL_OES_standard_derivatives"] = EBhUndefined;
if (resources.OES_EGL_image_external)
extBehavior["GL_OES_EGL_image_external"] = EBhUndefined;
if (resources.OES_EGL_image_external_essl3)
extBehavior["GL_OES_EGL_image_external_essl3"] = EBhUndefined;
if (resources.NV_EGL_stream_consumer_external)
extBehavior["GL_NV_EGL_stream_consumer_external"] = EBhUndefined;
if (resources.ARB_texture_rectangle)
extBehavior["GL_ARB_texture_rectangle"] = EBhUndefined;
if (resources.EXT_blend_func_extended)
extBehavior["GL_EXT_blend_func_extended"] = EBhUndefined;
if (resources.EXT_draw_buffers)
extBehavior["GL_EXT_draw_buffers"] = EBhUndefined;
if (resources.EXT_frag_depth)
extBehavior["GL_EXT_frag_depth"] = EBhUndefined;
if (resources.EXT_shader_texture_lod)
extBehavior["GL_EXT_shader_texture_lod"] = EBhUndefined;
if (resources.EXT_shader_framebuffer_fetch)
extBehavior["GL_EXT_shader_framebuffer_fetch"] = EBhUndefined;
if (resources.NV_shader_framebuffer_fetch)
extBehavior["GL_NV_shader_framebuffer_fetch"] = EBhUndefined;
if (resources.ARM_shader_framebuffer_fetch)
extBehavior["GL_ARM_shader_framebuffer_fetch"] = EBhUndefined;
if (resources.OVR_multiview)
{
extBehavior["GL_OVR_multiview"] = EBhUndefined;
extBehavior["GL_OVR_multiview2"] = EBhUndefined;
}
if (resources.EXT_YUV_target)
{
extBehavior["GL_EXT_YUV_target"] = EBhUndefined;
}
}
void ResetExtensionBehavior(TExtensionBehavior &extBehavior)
{
for (auto ext_iter = extBehavior.begin(); ext_iter != extBehavior.end(); ++ext_iter)
{
ext_iter->second = EBhUndefined;
}
}
} // namespace sh