| // |
| // 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/intermediate.h" |
| #include "angle_gl.h" |
| |
| void InsertBuiltInFunctions(sh::GLenum type, ShShaderSpec spec, const ShBuiltInResources &resources, TSymbolTable &symbolTable) |
| { |
| TType *float1 = new TType(EbtFloat); |
| TType *float2 = new TType(EbtFloat, 2); |
| TType *float3 = new TType(EbtFloat, 3); |
| TType *float4 = new TType(EbtFloat, 4); |
| |
| TType *int1 = new TType(EbtInt); |
| TType *int2 = new TType(EbtInt, 2); |
| TType *int3 = new TType(EbtInt, 3); |
| TType *int4 = new TType(EbtInt, 4); |
| |
| // |
| // Angle and Trigonometric Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "radians", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "radians", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "radians", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "radians", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "degrees", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "degrees", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "degrees", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "degrees", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sin", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sin", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sin", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sin", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "cos", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "cos", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "cos", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "cos", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "tan", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "tan", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "tan", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "tan", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "asin", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "asin", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "asin", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "asin", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "acos", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "acos", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "acos", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "acos", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "atan", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "atan", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "atan", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "atan", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "atan", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "atan", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "atan", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "atan", float4); |
| |
| // |
| // Exponential Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "pow", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "pow", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "pow", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "pow", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "exp", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "exp", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "exp", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "exp", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "log", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "log", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "log", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "log", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "exp2", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "exp2", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "exp2", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "exp2", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "log2", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "log2", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "log2", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "log2", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sqrt", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sqrt", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sqrt", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sqrt", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "inversesqrt", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "inversesqrt", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "inversesqrt", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "inversesqrt", float4); |
| |
| // |
| // Common Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "abs", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "abs", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "abs", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "abs", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sign", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sign", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sign", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sign", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "floor", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "floor", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "floor", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "floor", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "ceil", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "ceil", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "ceil", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "ceil", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "fract", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "fract", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "fract", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "fract", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "mod", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mod", float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mod", float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mod", float4, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mod", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mod", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mod", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "min", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "min", float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "min", float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "min", float4, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "min", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "min", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "min", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "max", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "max", float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "max", float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "max", float4, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "max", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "max", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "max", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "clamp", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "clamp", float2, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "clamp", float3, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "clamp", float4, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "clamp", float2, float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "clamp", float3, float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "clamp", float4, float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "mix", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mix", float2, float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mix", float3, float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mix", float4, float4, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mix", float2, float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mix", float3, float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mix", float4, float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "step", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "step", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "step", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "step", float4, float4); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "step", float1, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "step", float1, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "step", float1, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "smoothstep", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "smoothstep", float2, float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "smoothstep", float3, float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "smoothstep", float4, float4, float4); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "smoothstep", float1, float1, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "smoothstep", float1, float1, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "smoothstep", float1, float1, float4); |
| |
| // |
| // Geometric Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "cross", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "normalize", float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "normalize", float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "normalize", float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "normalize", float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "faceforward", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "faceforward", float2, float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "faceforward", float3, float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "faceforward", float4, float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "reflect", float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "reflect", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "reflect", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "reflect", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "refract", float1, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "refract", float2, float2, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "refract", float3, float3, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "refract", float4, float4, float1); |
| |
| TType *mat2 = new TType(EbtFloat, 2, 2); |
| TType *mat3 = new TType(EbtFloat, 3, 3); |
| TType *mat4 = new TType(EbtFloat, 4, 4); |
| |
| // |
| // Matrix Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, mat2, "matrixCompMult", mat2, mat2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, mat3, "matrixCompMult", mat3, mat3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, mat4, "matrixCompMult", mat4, mat4); |
| |
| TType *bool1 = new TType(EbtBool); |
| TType *bool2 = new TType(EbtBool, 2); |
| TType *bool3 = new TType(EbtBool, 3); |
| TType *bool4 = new TType(EbtBool, 4); |
| |
| // |
| // Vector relational functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThan", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThan", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThan", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThan", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThan", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThan", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThanEqual", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThanEqual", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThanEqual", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThanEqual", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThanEqual", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThanEqual", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThan", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThan", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThan", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThan", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThan", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThan", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThanEqual", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThanEqual", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThanEqual", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThanEqual", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThanEqual", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThanEqual", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", bool2, bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", bool3, bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", bool4, bool4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", float2, float2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", float4, float4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", int2, int2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", int3, int3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", int4, int4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", bool2, bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", bool3, bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", bool4, bool4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool4); |
| |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "not", bool2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "not", bool3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "not", bool4); |
| |
| TType *sampler2D = new TType(EbtSampler2D); |
| TType *samplerCube = new TType(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) |
| { |
| TType *samplerExternalOES = new TType(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) |
| { |
| TType *sampler2DRect = new TType(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, float4, "texture2DGradEXT", sampler2D, float2, float2, float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjGradEXT", sampler2D, float3, float2, float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjGradEXT", sampler2D, float4, float2, float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, 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.insertBuiltIn(ESSL1_BUILTINS, float1, "dFdx", float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "dFdx", float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "dFdx", float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "dFdx", float4); |
| |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "dFdy", float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "dFdy", float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "dFdy", float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "dFdy", float4); |
| |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "fwidth", float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "fwidth", float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "fwidth", float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "fwidth", float4); |
| } |
| |
| if (resources.EXT_shader_texture_lod) |
| { |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DLodEXT", sampler2D, float2, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLodEXT", sampler2D, float3, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLodEXT", sampler2D, float4, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, 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); |
| } |
| |
| TType *gvec4 = new TType(EbtGVec4); |
| |
| TType *gsampler2D = new TType(EbtGSampler2D); |
| TType *gsamplerCube = new TType(EbtGSamplerCube); |
| TType *gsampler3D = new TType(EbtGSampler3D); |
| TType *gsampler2DArray = new TType(EbtGSampler2DArray); |
| |
| // |
| // 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 (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); |
| } |
| |
| TType *sampler2DShadow = new TType(EbtSampler2DShadow); |
| TType *samplerCubeShadow = new TType(EbtSamplerCubeShadow); |
| TType *sampler2DArrayShadow = new TType(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); |
| |
| if(type == GL_FRAGMENT_SHADER) |
| { |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "dFdx", float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float2, "dFdx", float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float3, "dFdx", float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "dFdx", float4); |
| |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "dFdy", float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float2, "dFdy", float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float3, "dFdy", float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "dFdy", float4); |
| |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "fwidth", float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float2, "fwidth", float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float3, "fwidth", float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "fwidth", float4); |
| } |
| |
| 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); |
| |
| 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); |
| |
| // |
| // Depth range in window coordinates |
| // |
| TFieldList *fields = NewPoolTFieldList(); |
| TSourceLoc zeroSourceLoc = {0, 0, 0, 0}; |
| TField *near = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("near"), zeroSourceLoc); |
| TField *far = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("far"), zeroSourceLoc); |
| TField *diff = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), 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(), depthRangeStruct, true); |
| symbolTable.insert(COMMON_BUILTINS, depthRangeParameters); |
| TVariable *depthRange = new TVariable(NewPoolTString("gl_DepthRange"), TType(depthRangeStruct)); |
| depthRange->setQualifier(EvqUniform); |
| symbolTable.insert(COMMON_BUILTINS, depthRange); |
| |
| // |
| // Implementation dependent built-in constants. |
| // |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexAttribs", resources.MaxVertexAttribs); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexUniformVectors", resources.MaxVertexUniformVectors); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexTextureImageUnits", resources.MaxVertexTextureImageUnits); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxCombinedTextureImageUnits", resources.MaxCombinedTextureImageUnits); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxTextureImageUnits", resources.MaxTextureImageUnits); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxFragmentUniformVectors", resources.MaxFragmentUniformVectors); |
| |
| symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxVaryingVectors", resources.MaxVaryingVectors); |
| |
| if (spec != SH_CSS_SHADERS_SPEC) |
| { |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxDrawBuffers", resources.MaxDrawBuffers); |
| } |
| |
| symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxVertexOutputVectors", resources.MaxVertexOutputVectors); |
| symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxFragmentInputVectors", resources.MaxFragmentInputVectors); |
| symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MinProgramTexelOffset", resources.MinProgramTexelOffset); |
| symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxProgramTexelOffset", resources.MaxProgramTexelOffset); |
| } |
| |
| void IdentifyBuiltIns(sh::GLenum type, ShShaderSpec spec, |
| const ShBuiltInResources &resources, |
| TSymbolTable &symbolTable) |
| { |
| // |
| // First, insert some special built-in variables that are not in |
| // the built-in header files. |
| // |
| 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))); |
| |
| // |
| // In CSS Shaders, gl_FragColor, gl_FragData, and gl_MaxDrawBuffers are not available. |
| // Instead, css_MixColor and css_ColorMatrix are available. |
| // |
| if (spec != SH_CSS_SHADERS_SPEC) { |
| symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("gl_FragColor"), TType(EbtFloat, EbpMedium, EvqFragColor, 4))); |
| symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("gl_FragData[gl_MaxDrawBuffers]"), TType(EbtFloat, EbpMedium, EvqFragData, 4))); |
| if (resources.EXT_frag_depth) { |
| symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("gl_FragDepthEXT"), TType(EbtFloat, resources.FragmentPrecisionHigh ? EbpHigh : EbpMedium, EvqFragDepth, 1))); |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "gl_FragDepthEXT", "GL_EXT_frag_depth"); |
| } |
| } else { |
| symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("css_MixColor"), TType(EbtFloat, EbpMedium, EvqGlobal, 4))); |
| symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("css_ColorMatrix"), TType(EbtFloat, EbpMedium, EvqGlobal, 4, 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))); |
| break; |
| |
| default: assert(false && "Language not supported"); |
| } |
| |
| // |
| // Next, identify which built-ins from the already loaded headers have |
| // a mapping to an operator. Those that are not identified as such are |
| // expected to be resolved through a library of functions, versus as |
| // operations. |
| // |
| symbolTable.relateToOperator(COMMON_BUILTINS, "matrixCompMult", EOpMul); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "equal", EOpVectorEqual); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "notEqual", EOpVectorNotEqual); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "lessThan", EOpLessThan); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThan", EOpGreaterThan); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "lessThanEqual", EOpLessThanEqual); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThanEqual", EOpGreaterThanEqual); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "radians", EOpRadians); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "degrees", EOpDegrees); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "sin", EOpSin); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "cos", EOpCos); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "tan", EOpTan); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "asin", EOpAsin); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "acos", EOpAcos); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "atan", EOpAtan); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "pow", EOpPow); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "exp2", EOpExp2); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "log", EOpLog); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "exp", EOpExp); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "log2", EOpLog2); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "sqrt", EOpSqrt); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "inversesqrt", EOpInverseSqrt); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "abs", EOpAbs); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "sign", EOpSign); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "floor", EOpFloor); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "ceil", EOpCeil); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "fract", EOpFract); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "mod", EOpMod); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "min", EOpMin); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "max", EOpMax); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "clamp", EOpClamp); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "mix", EOpMix); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "step", EOpStep); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "smoothstep", EOpSmoothStep); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "length", EOpLength); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "distance", EOpDistance); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "dot", EOpDot); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "cross", EOpCross); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "normalize", EOpNormalize); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "faceforward", EOpFaceForward); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "reflect", EOpReflect); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "refract", EOpRefract); |
| |
| symbolTable.relateToOperator(COMMON_BUILTINS, "any", EOpAny); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "all", EOpAll); |
| symbolTable.relateToOperator(COMMON_BUILTINS, "not", EOpVectorLogicalNot); |
| |
| // Map language-specific operators. |
| switch(type) { |
| case GL_VERTEX_SHADER: |
| break; |
| case GL_FRAGMENT_SHADER: |
| if (resources.OES_standard_derivatives) |
| { |
| symbolTable.relateToOperator(ESSL1_BUILTINS, "dFdx", EOpDFdx); |
| symbolTable.relateToOperator(ESSL1_BUILTINS, "dFdy", EOpDFdy); |
| symbolTable.relateToOperator(ESSL1_BUILTINS, "fwidth", EOpFwidth); |
| |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "dFdx", "GL_OES_standard_derivatives"); |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "dFdy", "GL_OES_standard_derivatives"); |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "fwidth", "GL_OES_standard_derivatives"); |
| } |
| if (resources.EXT_shader_texture_lod) |
| { |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "texture2DLodEXT", "GL_EXT_shader_texture_lod"); |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "texture2DProjLodEXT", "GL_EXT_shader_texture_lod"); |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "textureCubeLodEXT", "GL_EXT_shader_texture_lod"); |
| } |
| break; |
| default: break; |
| } |
| |
| symbolTable.relateToOperator(ESSL3_BUILTINS, "dFdx", EOpDFdx); |
| symbolTable.relateToOperator(ESSL3_BUILTINS, "dFdy", EOpDFdy); |
| symbolTable.relateToOperator(ESSL3_BUILTINS, "fwidth", EOpFwidth); |
| |
| if (resources.EXT_shader_texture_lod) |
| { |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "texture2DGradEXT", "GL_EXT_shader_texture_lod"); |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "texture2DProjGradEXT", "GL_EXT_shader_texture_lod"); |
| symbolTable.relateToExtension(ESSL1_BUILTINS, "textureCubeGradEXT", "GL_EXT_shader_texture_lod"); |
| } |
| |
| // Finally add resource-specific variables. |
| switch(type) { |
| case GL_FRAGMENT_SHADER: |
| if (spec != SH_CSS_SHADERS_SPEC) { |
| // Set up gl_FragData. The array size. |
| TType fragData(EbtFloat, EbpMedium, EvqFragData, 4, 1, true); |
| fragData.setArraySize(resources.MaxDrawBuffers); |
| symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("gl_FragData"), fragData)); |
| } |
| break; |
| default: break; |
| } |
| } |
| |
| 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.ARB_texture_rectangle) |
| extBehavior["GL_ARB_texture_rectangle"] = 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; |
| } |