1 //
2 // Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6
7 //
8 // Create symbols that declare built-in definitions, add built-ins that
9 // cannot be expressed in the files, and establish mappings between
10 // built-in functions and operators.
11 //
12
13 #include "compiler/translator/Initialize.h"
14 #include "compiler/translator/Cache.h"
15
16 #include "compiler/translator/IntermNode.h"
17 #include "angle_gl.h"
18
19 namespace sh
20 {
21
InsertBuiltInFunctions(sh::GLenum type,ShShaderSpec spec,const ShBuiltInResources & resources,TSymbolTable & symbolTable)22 void InsertBuiltInFunctions(sh::GLenum type,
23 ShShaderSpec spec,
24 const ShBuiltInResources &resources,
25 TSymbolTable &symbolTable)
26 {
27 const TType *voidType = TCache::getType(EbtVoid);
28 const TType *float1 = TCache::getType(EbtFloat);
29 const TType *float2 = TCache::getType(EbtFloat, 2);
30 const TType *float3 = TCache::getType(EbtFloat, 3);
31 const TType *float4 = TCache::getType(EbtFloat, 4);
32 const TType *int1 = TCache::getType(EbtInt);
33 const TType *int2 = TCache::getType(EbtInt, 2);
34 const TType *int3 = TCache::getType(EbtInt, 3);
35 const TType *uint1 = TCache::getType(EbtUInt);
36 const TType *bool1 = TCache::getType(EbtBool);
37 const TType *genType = TCache::getType(EbtGenType);
38 const TType *genIType = TCache::getType(EbtGenIType);
39 const TType *genUType = TCache::getType(EbtGenUType);
40 const TType *genBType = TCache::getType(EbtGenBType);
41
42 //
43 // Angle and Trigonometric Functions.
44 //
45 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpRadians, genType, genType);
46 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpDegrees, genType, genType);
47 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSin, genType, genType);
48 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpCos, genType, genType);
49 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpTan, genType, genType);
50 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAsin, genType, genType);
51 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAcos, genType, genType);
52 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAtan, genType, genType, genType);
53 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAtan, genType, genType);
54 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpSinh, genType, genType);
55 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpCosh, genType, genType);
56 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTanh, genType, genType);
57 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpAsinh, genType, genType);
58 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpAcosh, genType, genType);
59 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpAtanh, genType, genType);
60
61 //
62 // Exponential Functions.
63 //
64 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpPow, genType, genType, genType);
65 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpExp, genType, genType);
66 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLog, genType, genType);
67 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpExp2, genType, genType);
68 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLog2, genType, genType);
69 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSqrt, genType, genType);
70 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpInverseSqrt, genType, genType);
71
72 //
73 // Common Functions.
74 //
75 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAbs, genType, genType);
76 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpAbs, genIType, genIType);
77 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSign, genType, genType);
78 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpSign, genIType, genIType);
79 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpFloor, genType, genType);
80 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTrunc, genType, genType);
81 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpRound, genType, genType);
82 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpRoundEven, genType, genType);
83 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpCeil, genType, genType);
84 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpFract, genType, genType);
85 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMod, genType, genType, float1);
86 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMod, genType, genType, genType);
87 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMin, genType, genType, float1);
88 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMin, genType, genType, genType);
89 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMin, genIType, genIType, genIType);
90 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMin, genIType, genIType, int1);
91 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMin, genUType, genUType, genUType);
92 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMin, genUType, genUType, uint1);
93 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMax, genType, genType, float1);
94 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMax, genType, genType, genType);
95 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMax, genIType, genIType, genIType);
96 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMax, genIType, genIType, int1);
97 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMax, genUType, genUType, genUType);
98 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMax, genUType, genUType, uint1);
99 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpClamp, genType, genType, float1, float1);
100 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpClamp, genType, genType, genType, genType);
101 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpClamp, genIType, genIType, int1, int1);
102 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpClamp, genIType, genIType, genIType, genIType);
103 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpClamp, genUType, genUType, uint1, uint1);
104 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpClamp, genUType, genUType, genUType, genUType);
105 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMix, genType, genType, genType, float1);
106 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMix, genType, genType, genType, genType);
107 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMix, genType, genType, genType, genBType);
108 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpStep, genType, genType, genType);
109 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpStep, genType, float1, genType);
110 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSmoothStep, genType, genType, genType, genType);
111 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpSmoothStep, genType, float1, float1, genType);
112
113 const TType *outGenType = TCache::getType(EbtGenType, EvqOut);
114 const TType *outGenIType = TCache::getType(EbtGenIType, EvqOut);
115
116 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpModf, genType, genType, outGenType);
117
118 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpIsNan, genBType, genType);
119 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpIsInf, genBType, genType);
120 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpFloatBitsToInt, genIType, genType);
121 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpFloatBitsToUint, genUType, genType);
122 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpIntBitsToFloat, genType, genIType);
123 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpUintBitsToFloat, genType, genUType);
124
125 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFrexp, genType, genType, outGenIType);
126 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpLdexp, genType, genType, genIType);
127
128 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpPackSnorm2x16, uint1, float2);
129 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpPackUnorm2x16, uint1, float2);
130 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpPackHalf2x16, uint1, float2);
131 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpUnpackSnorm2x16, float2, uint1);
132 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpUnpackUnorm2x16, float2, uint1);
133 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpUnpackHalf2x16, float2, uint1);
134
135 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpPackUnorm4x8, uint1, float4);
136 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpPackSnorm4x8, uint1, float4);
137 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUnpackUnorm4x8, float4, uint1);
138 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUnpackSnorm4x8, float4, uint1);
139
140 //
141 // Geometric Functions.
142 //
143 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLength, float1, genType);
144 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpDistance, float1, genType, genType);
145 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpDot, float1, genType, genType);
146 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpCross, float3, float3, float3);
147 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpNormalize, genType, genType);
148 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpFaceforward, genType, genType, genType,
149 genType);
150 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpReflect, genType, genType, genType);
151 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpRefract, genType, genType, genType, float1);
152
153 const TType *mat2 = TCache::getType(EbtFloat, 2, 2);
154 const TType *mat3 = TCache::getType(EbtFloat, 3, 3);
155 const TType *mat4 = TCache::getType(EbtFloat, 4, 4);
156 const TType *mat2x3 = TCache::getType(EbtFloat, 2, 3);
157 const TType *mat3x2 = TCache::getType(EbtFloat, 3, 2);
158 const TType *mat2x4 = TCache::getType(EbtFloat, 2, 4);
159 const TType *mat4x2 = TCache::getType(EbtFloat, 4, 2);
160 const TType *mat3x4 = TCache::getType(EbtFloat, 3, 4);
161 const TType *mat4x3 = TCache::getType(EbtFloat, 4, 3);
162
163 //
164 // Matrix Functions.
165 //
166 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMulMatrixComponentWise, mat2, mat2, mat2);
167 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMulMatrixComponentWise, mat3, mat3, mat3);
168 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpMulMatrixComponentWise, mat4, mat4, mat4);
169 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat2x3, mat2x3, mat2x3);
170 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat3x2, mat3x2, mat3x2);
171 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat2x4, mat2x4, mat2x4);
172 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat4x2, mat4x2, mat4x2);
173 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat3x4, mat3x4, mat3x4);
174 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpMulMatrixComponentWise, mat4x3, mat4x3, mat4x3);
175
176 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat2, float2, float2);
177 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat3, float3, float3);
178 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat4, float4, float4);
179 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat2x3, float3, float2);
180 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat3x2, float2, float3);
181 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat2x4, float4, float2);
182 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat4x2, float2, float4);
183 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat3x4, float4, float3);
184 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpOuterProduct, mat4x3, float3, float4);
185
186 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat2, mat2);
187 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat3, mat3);
188 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat4, mat4);
189 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat2x3, mat3x2);
190 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat3x2, mat2x3);
191 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat2x4, mat4x2);
192 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat4x2, mat2x4);
193 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat3x4, mat4x3);
194 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpTranspose, mat4x3, mat3x4);
195
196 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDeterminant, float1, mat2);
197 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDeterminant, float1, mat3);
198 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDeterminant, float1, mat4);
199
200 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpInverse, mat2, mat2);
201 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpInverse, mat3, mat3);
202 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpInverse, mat4, mat4);
203
204 const TType *vec = TCache::getType(EbtVec);
205 const TType *ivec = TCache::getType(EbtIVec);
206 const TType *uvec = TCache::getType(EbtUVec);
207 const TType *bvec = TCache::getType(EbtBVec);
208
209 //
210 // Vector relational functions.
211 //
212 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLessThanComponentWise, bvec, vec, vec);
213 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLessThanComponentWise, bvec, ivec, ivec);
214 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpLessThanComponentWise, bvec, uvec, uvec);
215 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLessThanEqualComponentWise, bvec, vec, vec);
216 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLessThanEqualComponentWise, bvec, ivec, ivec);
217 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpLessThanEqualComponentWise, bvec, uvec, uvec);
218 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpGreaterThanComponentWise, bvec, vec, vec);
219 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpGreaterThanComponentWise, bvec, ivec, ivec);
220 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpGreaterThanComponentWise, bvec, uvec, uvec);
221 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpGreaterThanEqualComponentWise, bvec, vec, vec);
222 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpGreaterThanEqualComponentWise, bvec, ivec,
223 ivec);
224 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpGreaterThanEqualComponentWise, bvec, uvec, uvec);
225 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpEqualComponentWise, bvec, vec, vec);
226 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpEqualComponentWise, bvec, ivec, ivec);
227 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpEqualComponentWise, bvec, uvec, uvec);
228 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpEqualComponentWise, bvec, bvec, bvec);
229 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpNotEqualComponentWise, bvec, vec, vec);
230 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpNotEqualComponentWise, bvec, ivec, ivec);
231 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpNotEqualComponentWise, bvec, uvec, uvec);
232 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpNotEqualComponentWise, bvec, bvec, bvec);
233 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAny, bool1, bvec);
234 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpAll, bool1, bvec);
235 symbolTable.insertBuiltInOp(COMMON_BUILTINS, EOpLogicalNotComponentWise, bvec, bvec);
236
237 //
238 // Integer functions
239 //
240 const TType *outGenUType = TCache::getType(EbtGenUType, EvqOut);
241
242 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldExtract, genIType, genIType, int1,
243 int1);
244 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldExtract, genUType, genUType, int1,
245 int1);
246 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldInsert, genIType, genIType, genIType,
247 int1, int1);
248 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldInsert, genUType, genUType, genUType,
249 int1, int1);
250 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldReverse, genIType, genIType);
251 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitfieldReverse, genUType, genUType);
252 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitCount, genIType, genIType);
253 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpBitCount, genIType, genUType);
254 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFindLSB, genIType, genIType);
255 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFindLSB, genIType, genUType);
256 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFindMSB, genIType, genIType);
257 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpFindMSB, genIType, genUType);
258 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUaddCarry, genUType, genUType, genUType,
259 outGenUType);
260 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUsubBorrow, genUType, genUType, genUType,
261 outGenUType);
262 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpUmulExtended, voidType, genUType, genUType,
263 outGenUType, outGenUType);
264 symbolTable.insertBuiltInOp(ESSL3_1_BUILTINS, EOpImulExtended, voidType, genIType, genIType,
265 outGenIType, outGenIType);
266
267 const TType *sampler2D = TCache::getType(EbtSampler2D);
268 const TType *samplerCube = TCache::getType(EbtSamplerCube);
269
270 //
271 // Texture Functions for GLSL ES 1.0
272 //
273 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2);
274 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3);
275 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4);
276 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3);
277
278 if (resources.OES_EGL_image_external || resources.NV_EGL_stream_consumer_external)
279 {
280 const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
281
282 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", samplerExternalOES, float2);
283 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES,
284 float3);
285 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES,
286 float4);
287 }
288
289 if (resources.ARB_texture_rectangle)
290 {
291 const TType *sampler2DRect = TCache::getType(EbtSampler2DRect);
292
293 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRect", sampler2DRect, float2);
294 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRectProj", sampler2DRect,
295 float3);
296 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRectProj", sampler2DRect,
297 float4);
298 }
299
300 if (resources.EXT_shader_texture_lod)
301 {
302 /* The *Grad* variants are new to both vertex and fragment shaders; the fragment
303 * shader specific pieces are added separately below.
304 */
305 symbolTable.insertBuiltIn(ESSL1_BUILTINS, TExtension::EXT_shader_texture_lod, float4,
306 "texture2DGradEXT", sampler2D, float2, float2, float2);
307 symbolTable.insertBuiltIn(ESSL1_BUILTINS, TExtension::EXT_shader_texture_lod, float4,
308 "texture2DProjGradEXT", sampler2D, float3, float2, float2);
309 symbolTable.insertBuiltIn(ESSL1_BUILTINS, TExtension::EXT_shader_texture_lod, float4,
310 "texture2DProjGradEXT", sampler2D, float4, float2, float2);
311 symbolTable.insertBuiltIn(ESSL1_BUILTINS, TExtension::EXT_shader_texture_lod, float4,
312 "textureCubeGradEXT", samplerCube, float3, float3, float3);
313 }
314
315 if (type == GL_FRAGMENT_SHADER)
316 {
317 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2, float1);
318 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3,
319 float1);
320 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4,
321 float1);
322 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3,
323 float1);
324
325 if (resources.OES_standard_derivatives)
326 {
327 symbolTable.insertBuiltInOp(ESSL1_BUILTINS, EOpDFdx,
328 TExtension::OES_standard_derivatives, genType, genType);
329 symbolTable.insertBuiltInOp(ESSL1_BUILTINS, EOpDFdy,
330 TExtension::OES_standard_derivatives, genType, genType);
331 symbolTable.insertBuiltInOp(ESSL1_BUILTINS, EOpFwidth,
332 TExtension::OES_standard_derivatives, genType, genType);
333 }
334
335 if (resources.EXT_shader_texture_lod)
336 {
337 symbolTable.insertBuiltIn(ESSL1_BUILTINS, TExtension::EXT_shader_texture_lod, float4,
338 "texture2DLodEXT", sampler2D, float2, float1);
339 symbolTable.insertBuiltIn(ESSL1_BUILTINS, TExtension::EXT_shader_texture_lod, float4,
340 "texture2DProjLodEXT", sampler2D, float3, float1);
341 symbolTable.insertBuiltIn(ESSL1_BUILTINS, TExtension::EXT_shader_texture_lod, float4,
342 "texture2DProjLodEXT", sampler2D, float4, float1);
343 symbolTable.insertBuiltIn(ESSL1_BUILTINS, TExtension::EXT_shader_texture_lod, float4,
344 "textureCubeLodEXT", samplerCube, float3, float1);
345 }
346 }
347
348 if (type == GL_VERTEX_SHADER)
349 {
350 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DLod", sampler2D, float2,
351 float1);
352 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float3,
353 float1);
354 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float4,
355 float1);
356 symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeLod", samplerCube, float3,
357 float1);
358 }
359
360 const TType *gvec4 = TCache::getType(EbtGVec4);
361
362 const TType *gsampler2D = TCache::getType(EbtGSampler2D);
363 const TType *gsamplerCube = TCache::getType(EbtGSamplerCube);
364 const TType *gsampler3D = TCache::getType(EbtGSampler3D);
365 const TType *gsampler2DArray = TCache::getType(EbtGSampler2DArray);
366 const TType *gsampler2DMS = TCache::getType(EbtGSampler2DMS);
367
368 //
369 // Texture Functions for GLSL ES 3.0
370 //
371 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2);
372 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3);
373 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3);
374 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3);
375 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3);
376 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4);
377 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4);
378 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2D, float2, float1);
379 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler3D, float3, float1);
380 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsamplerCube, float3, float1);
381 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2DArray, float3, float1);
382
383 if (resources.OES_EGL_image_external_essl3)
384 {
385 const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
386
387 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", samplerExternalOES, float2);
388 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
389 float3);
390 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
391 float4);
392 }
393
394 if (resources.EXT_YUV_target)
395 {
396 const TType *samplerExternal2DY2YEXT = TCache::getType(EbtSamplerExternal2DY2YEXT);
397
398 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, float4, "texture",
399 samplerExternal2DY2YEXT, float2);
400 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, float4, "textureProj",
401 samplerExternal2DY2YEXT, float3);
402 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, float4, "textureProj",
403 samplerExternal2DY2YEXT, float4);
404
405 const TType *yuvCscStandardEXT = TCache::getType(EbtYuvCscStandardEXT);
406
407 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, float3, "rgb_2_yuv",
408 float3, yuvCscStandardEXT);
409 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, float3, "yuv_2_rgb",
410 float3, yuvCscStandardEXT);
411 }
412
413 if (type == GL_FRAGMENT_SHADER)
414 {
415 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2, float1);
416 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3, float1);
417 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3, float1);
418 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3,
419 float1);
420 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3, float1);
421 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4, float1);
422 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4, float1);
423
424 if (resources.OES_EGL_image_external_essl3)
425 {
426 const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
427
428 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", samplerExternalOES, float2,
429 float1);
430 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
431 float3, float1);
432 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
433 float4, float1);
434 }
435
436 if (resources.EXT_YUV_target)
437 {
438 const TType *samplerExternal2DY2YEXT = TCache::getType(EbtSamplerExternal2DY2YEXT);
439
440 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, float4, "texture",
441 samplerExternal2DY2YEXT, float2, float1);
442 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, float4,
443 "textureProj", samplerExternal2DY2YEXT, float3, float1);
444 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, float4,
445 "textureProj", samplerExternal2DY2YEXT, float4, float1);
446 }
447 }
448
449 const TType *sampler2DShadow = TCache::getType(EbtSampler2DShadow);
450 const TType *samplerCubeShadow = TCache::getType(EbtSamplerCubeShadow);
451 const TType *sampler2DArrayShadow = TCache::getType(EbtSampler2DArrayShadow);
452
453 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DShadow, float3);
454 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", samplerCubeShadow, float4);
455 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DArrayShadow, float4);
456 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProj", sampler2DShadow, float4);
457 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureLod", sampler2DShadow, float3,
458 float1);
459
460 if (type == GL_FRAGMENT_SHADER)
461 {
462 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DShadow, float3,
463 float1);
464 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", samplerCubeShadow, float4,
465 float1);
466 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProj", sampler2DShadow, float4,
467 float1);
468 }
469
470 symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsampler2D, int1);
471 symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler3D, int1);
472 symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsamplerCube, int1);
473 symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler2DArray, int1);
474 symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", sampler2DShadow, int1);
475 symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerCubeShadow, int1);
476 symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", sampler2DArrayShadow, int1);
477 symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsampler2DMS);
478
479 if (resources.OES_EGL_image_external_essl3)
480 {
481 const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
482
483 symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerExternalOES, int1);
484 }
485
486 if (resources.EXT_YUV_target)
487 {
488 const TType *samplerExternal2DY2YEXT = TCache::getType(EbtSamplerExternal2DY2YEXT);
489
490 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, int2, "textureSize",
491 samplerExternal2DY2YEXT, int1);
492 }
493
494 if (type == GL_FRAGMENT_SHADER)
495 {
496 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDFdx, genType, genType);
497 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpDFdy, genType, genType);
498 symbolTable.insertBuiltInOp(ESSL3_BUILTINS, EOpFwidth, genType, genType);
499 }
500
501 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2);
502 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3);
503 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3,
504 int2);
505 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3,
506 int2);
507
508 if (type == GL_FRAGMENT_SHADER)
509 {
510 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2,
511 float1);
512 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3,
513 float1);
514 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3,
515 int2, float1);
516 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3,
517 int2, float1);
518 }
519
520 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3, int2);
521 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4, int2);
522 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4, int3);
523 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow, float4,
524 int2);
525
526 if (type == GL_FRAGMENT_SHADER)
527 {
528 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3,
529 int2, float1);
530 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4,
531 int2, float1);
532 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4,
533 int3, float1);
534 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow,
535 float4, int2, float1);
536 }
537
538 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2D, float2, float1,
539 int2);
540 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler3D, float3, float1,
541 int3);
542 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureLodOffset", sampler2DShadow, float3,
543 float1, int2);
544 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2DArray, float3,
545 float1, int2);
546
547 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float3, float1);
548 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float4, float1);
549 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler3D, float4, float1);
550 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLod", sampler2DShadow, float4,
551 float1);
552
553 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float3,
554 float1, int2);
555 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float4,
556 float1, int2);
557 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler3D, float4,
558 float1, int3);
559 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLodOffset", sampler2DShadow,
560 float4, float1, int2);
561
562 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2D, int2, int1);
563 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler3D, int3, int1);
564 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2DArray, int3, int1);
565
566 if (resources.OES_EGL_image_external_essl3)
567 {
568 const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
569
570 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texelFetch", samplerExternalOES, int2,
571 int1);
572 }
573
574 if (resources.EXT_YUV_target)
575 {
576 const TType *samplerExternal2DY2YEXT = TCache::getType(EbtSamplerExternal2DY2YEXT);
577
578 symbolTable.insertBuiltIn(ESSL3_BUILTINS, TExtension::EXT_YUV_target, float4, "texelFetch",
579 samplerExternal2DY2YEXT, int2, int1);
580 }
581
582 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2D, int2, int1,
583 int2);
584 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler3D, int3, int1,
585 int3);
586 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2DArray, int3,
587 int1, int2);
588
589 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2D, float2, float2,
590 float2);
591 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler3D, float3, float3,
592 float3);
593 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsamplerCube, float3, float3,
594 float3);
595 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DShadow, float3,
596 float2, float2);
597 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", samplerCubeShadow, float4,
598 float3, float3);
599 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2DArray, float3, float2,
600 float2);
601 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DArrayShadow, float4,
602 float2, float2);
603
604 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2D, float2,
605 float2, float2, int2);
606 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler3D, float3,
607 float3, float3, int3);
608 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DShadow, float3,
609 float2, float2, int2);
610 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2DArray, float3,
611 float2, float2, int2);
612 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DArrayShadow,
613 float4, float2, float2, int2);
614
615 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float3, float2,
616 float2);
617 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float4, float2,
618 float2);
619 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler3D, float4, float3,
620 float3);
621 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGrad", sampler2DShadow, float4,
622 float2, float2);
623
624 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float3,
625 float2, float2, int2);
626 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float4,
627 float2, float2, int2);
628 symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler3D, float4,
629 float3, float3, int3);
630 symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGradOffset", sampler2DShadow,
631 float4, float2, float2, int2);
632
633 const TType *atomicCounter = TCache::getType(EbtAtomicCounter);
634 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicCounter", atomicCounter);
635 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicCounterIncrement", atomicCounter);
636 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicCounterDecrement", atomicCounter);
637
638 // Insert all atomic memory functions
639 const TType *int1InOut = TCache::getType(EbtInt, EvqInOut);
640 const TType *uint1InOut = TCache::getType(EbtUInt, EvqInOut);
641 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicAdd", uint1InOut, uint1);
642 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int1, "atomicAdd", int1InOut, int1);
643 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicMin", uint1InOut, uint1);
644 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int1, "atomicMin", int1InOut, int1);
645 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicMax", uint1InOut, uint1);
646 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int1, "atomicMax", int1InOut, int1);
647 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicAnd", uint1InOut, uint1);
648 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int1, "atomicAnd", int1InOut, int1);
649 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicOr", uint1InOut, uint1);
650 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int1, "atomicOr", int1InOut, int1);
651 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicXor", uint1InOut, uint1);
652 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int1, "atomicXor", int1InOut, int1);
653 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicExchange", uint1InOut, uint1);
654 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int1, "atomicExchange", int1InOut, int1);
655 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, uint1, "atomicCompSwap", uint1InOut, uint1, uint1);
656 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int1, "atomicCompSwap", int1InOut, int1, int1);
657
658 const TType *gimage2D = TCache::getType(EbtGImage2D);
659 const TType *gimage3D = TCache::getType(EbtGImage3D);
660 const TType *gimage2DArray = TCache::getType(EbtGImage2DArray);
661 const TType *gimageCube = TCache::getType(EbtGImageCube);
662
663 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, voidType, "imageStore", gimage2D, int2, gvec4);
664 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, voidType, "imageStore", gimage3D, int3, gvec4);
665 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, voidType, "imageStore", gimage2DArray, int3, gvec4);
666 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, voidType, "imageStore", gimageCube, int3, gvec4);
667
668 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "imageLoad", gimage2D, int2);
669 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "imageLoad", gimage3D, int3);
670 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "imageLoad", gimage2DArray, int3);
671 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "imageLoad", gimageCube, int3);
672
673 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int2, "imageSize", gimage2D);
674 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int3, "imageSize", gimage3D);
675 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int3, "imageSize", gimage2DArray);
676 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, int2, "imageSize", gimageCube);
677
678 symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrier, voidType,
679 "memoryBarrier");
680 symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrierAtomicCounter,
681 voidType, "memoryBarrierAtomicCounter");
682 symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrierBuffer,
683 voidType, "memoryBarrierBuffer");
684 symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrierImage, voidType,
685 "memoryBarrierImage");
686
687 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "texelFetch", gsampler2DMS, int2, int1);
688
689 // Insert all variations of textureGather.
690 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGather", gsampler2D, float2);
691 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGather", gsampler2D, float2, int1);
692 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGather", gsampler2DArray, float3);
693 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGather", gsampler2DArray, float3,
694 int1);
695 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGather", gsamplerCube, float3);
696 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGather", gsamplerCube, float3, int1);
697 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, float4, "textureGather", sampler2DShadow, float2);
698 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, float4, "textureGather", sampler2DShadow, float2,
699 float1);
700 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, float4, "textureGather", sampler2DArrayShadow,
701 float3);
702 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, float4, "textureGather", sampler2DArrayShadow,
703 float3, float1);
704 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, float4, "textureGather", samplerCubeShadow, float3);
705 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, float4, "textureGather", samplerCubeShadow, float3,
706 float1);
707
708 // Insert all variations of textureGatherOffset.
709 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGatherOffset", gsampler2D, float2,
710 int2);
711 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGatherOffset", gsampler2D, float2,
712 int2, int1);
713 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGatherOffset", gsampler2DArray,
714 float3, int2);
715 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, gvec4, "textureGatherOffset", gsampler2DArray,
716 float3, int2, int1);
717 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, float4, "textureGatherOffset", sampler2DShadow,
718 float2, float1, int2);
719 symbolTable.insertBuiltIn(ESSL3_1_BUILTINS, float4, "textureGatherOffset", sampler2DArrayShadow,
720 float3, float1, int2);
721
722 if (type == GL_COMPUTE_SHADER)
723 {
724 symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpBarrier, voidType,
725 "barrier");
726 symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpMemoryBarrierShared,
727 voidType, "memoryBarrierShared");
728 symbolTable.insertBuiltInFunctionNoParameters(ESSL3_1_BUILTINS, EOpGroupMemoryBarrier,
729 voidType, "groupMemoryBarrier");
730 }
731
732 if (type == GL_GEOMETRY_SHADER_OES)
733 {
734 TExtension extension = TExtension::OES_geometry_shader;
735 symbolTable.insertBuiltInFunctionNoParametersExt(ESSL3_1_BUILTINS, extension, EOpEmitVertex,
736 voidType, "EmitVertex");
737 symbolTable.insertBuiltInFunctionNoParametersExt(ESSL3_1_BUILTINS, extension,
738 EOpEndPrimitive, voidType, "EndPrimitive");
739 }
740
741 //
742 // Depth range in window coordinates
743 //
744 TFieldList *fields = NewPoolTFieldList();
745 TSourceLoc zeroSourceLoc = {0, 0, 0, 0};
746 auto highpFloat1 = new TType(EbtFloat, EbpHigh, EvqGlobal, 1);
747 TField *near = new TField(highpFloat1, NewPoolTString("near"), zeroSourceLoc);
748 TField *far = new TField(highpFloat1, NewPoolTString("far"), zeroSourceLoc);
749 TField *diff = new TField(highpFloat1, NewPoolTString("diff"), zeroSourceLoc);
750 fields->push_back(near);
751 fields->push_back(far);
752 fields->push_back(diff);
753 TStructure *depthRangeStruct =
754 new TStructure(&symbolTable, NewPoolTString("gl_DepthRangeParameters"), fields);
755 symbolTable.insertStructType(COMMON_BUILTINS, depthRangeStruct);
756 TType depthRangeType(depthRangeStruct);
757 depthRangeType.setQualifier(EvqUniform);
758 symbolTable.insertVariable(COMMON_BUILTINS, "gl_DepthRange", depthRangeType);
759
760 //
761 // Implementation dependent built-in constants.
762 //
763 symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexAttribs", resources.MaxVertexAttribs,
764 EbpMedium);
765 symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexUniformVectors",
766 resources.MaxVertexUniformVectors, EbpMedium);
767 symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexTextureImageUnits",
768 resources.MaxVertexTextureImageUnits, EbpMedium);
769 symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxCombinedTextureImageUnits",
770 resources.MaxCombinedTextureImageUnits, EbpMedium);
771 symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxTextureImageUnits",
772 resources.MaxTextureImageUnits, EbpMedium);
773 symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxFragmentUniformVectors",
774 resources.MaxFragmentUniformVectors, EbpMedium);
775
776 symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxVaryingVectors", resources.MaxVaryingVectors,
777 EbpMedium);
778
779 symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxDrawBuffers", resources.MaxDrawBuffers,
780 EbpMedium);
781 if (resources.EXT_blend_func_extended)
782 {
783 symbolTable.insertConstIntExt(COMMON_BUILTINS, TExtension::EXT_blend_func_extended,
784 "gl_MaxDualSourceDrawBuffersEXT",
785 resources.MaxDualSourceDrawBuffers, EbpMedium);
786 }
787
788 symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxVertexOutputVectors",
789 resources.MaxVertexOutputVectors, EbpMedium);
790 symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxFragmentInputVectors",
791 resources.MaxFragmentInputVectors, EbpMedium);
792 symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MinProgramTexelOffset",
793 resources.MinProgramTexelOffset, EbpMedium);
794 symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxProgramTexelOffset",
795 resources.MaxProgramTexelOffset, EbpMedium);
796
797 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxImageUnits", resources.MaxImageUnits,
798 EbpMedium);
799 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxVertexImageUniforms",
800 resources.MaxVertexImageUniforms, EbpMedium);
801 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxFragmentImageUniforms",
802 resources.MaxFragmentImageUniforms, EbpMedium);
803 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeImageUniforms",
804 resources.MaxComputeImageUniforms, EbpMedium);
805 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxCombinedImageUniforms",
806 resources.MaxCombinedImageUniforms, EbpMedium);
807
808 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxCombinedShaderOutputResources",
809 resources.MaxCombinedShaderOutputResources, EbpMedium);
810
811 symbolTable.insertConstIvec3(ESSL3_1_BUILTINS, "gl_MaxComputeWorkGroupCount",
812 resources.MaxComputeWorkGroupCount, EbpHigh);
813 symbolTable.insertConstIvec3(ESSL3_1_BUILTINS, "gl_MaxComputeWorkGroupSize",
814 resources.MaxComputeWorkGroupSize, EbpHigh);
815 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeUniformComponents",
816 resources.MaxComputeUniformComponents, EbpMedium);
817 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeTextureImageUnits",
818 resources.MaxComputeTextureImageUnits, EbpMedium);
819
820 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeAtomicCounters",
821 resources.MaxComputeAtomicCounters, EbpMedium);
822 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxComputeAtomicCounterBuffers",
823 resources.MaxComputeAtomicCounterBuffers, EbpMedium);
824
825 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxVertexAtomicCounters",
826 resources.MaxVertexAtomicCounters, EbpMedium);
827 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxFragmentAtomicCounters",
828 resources.MaxFragmentAtomicCounters, EbpMedium);
829 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxCombinedAtomicCounters",
830 resources.MaxCombinedAtomicCounters, EbpMedium);
831 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxAtomicCounterBindings",
832 resources.MaxAtomicCounterBindings, EbpMedium);
833
834 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxVertexAtomicCounterBuffers",
835 resources.MaxVertexAtomicCounterBuffers, EbpMedium);
836 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxFragmentAtomicCounterBuffers",
837 resources.MaxFragmentAtomicCounterBuffers, EbpMedium);
838 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxCombinedAtomicCounterBuffers",
839 resources.MaxCombinedAtomicCounterBuffers, EbpMedium);
840 symbolTable.insertConstInt(ESSL3_1_BUILTINS, "gl_MaxAtomicCounterBufferSize",
841 resources.MaxAtomicCounterBufferSize, EbpMedium);
842
843 if (resources.OES_geometry_shader)
844 {
845 TExtension ext = TExtension::OES_geometry_shader;
846 symbolTable.insertConstIntExt(ESSL3_1_BUILTINS, ext, "gl_MaxGeometryInputComponents",
847 resources.MaxGeometryInputComponents, EbpMedium);
848 symbolTable.insertConstIntExt(ESSL3_1_BUILTINS, ext, "gl_MaxGeometryOutputComponents",
849 resources.MaxGeometryOutputComponents, EbpMedium);
850 symbolTable.insertConstIntExt(ESSL3_1_BUILTINS, ext, "gl_MaxGeometryImageUniforms",
851 resources.MaxGeometryImageUniforms, EbpMedium);
852 symbolTable.insertConstIntExt(ESSL3_1_BUILTINS, ext, "gl_MaxGeometryTextureImageUnits",
853 resources.MaxGeometryTextureImageUnits, EbpMedium);
854 symbolTable.insertConstIntExt(ESSL3_1_BUILTINS, ext, "gl_MaxGeometryOutputVertices",
855 resources.MaxGeometryOutputVertices, EbpMedium);
856 symbolTable.insertConstIntExt(ESSL3_1_BUILTINS, ext, "gl_MaxGeometryTotalOutputComponents",
857 resources.MaxGeometryTotalOutputComponents, EbpMedium);
858 symbolTable.insertConstIntExt(ESSL3_1_BUILTINS, ext, "gl_MaxGeometryUniformComponents",
859 resources.MaxGeometryUniformComponents, EbpMedium);
860 symbolTable.insertConstIntExt(ESSL3_1_BUILTINS, ext, "gl_MaxGeometryAtomicCounters",
861 resources.MaxGeometryAtomicCounters, EbpMedium);
862 symbolTable.insertConstIntExt(ESSL3_1_BUILTINS, ext, "gl_MaxGeometryAtomicCounterBuffers",
863 resources.MaxGeometryAtomicCounterBuffers, EbpMedium);
864 }
865 }
866
IdentifyBuiltIns(sh::GLenum type,ShShaderSpec spec,const ShBuiltInResources & resources,TSymbolTable & symbolTable)867 void IdentifyBuiltIns(sh::GLenum type,
868 ShShaderSpec spec,
869 const ShBuiltInResources &resources,
870 TSymbolTable &symbolTable)
871 {
872 //
873 // Insert some special built-in variables that are not in
874 // the built-in header files.
875 //
876
877 if (resources.OVR_multiview && type != GL_COMPUTE_SHADER)
878 {
879 symbolTable.insertVariableExt(ESSL3_BUILTINS, TExtension::OVR_multiview, "gl_ViewID_OVR",
880 TType(EbtUInt, EbpHigh, EvqViewIDOVR, 1));
881
882 // ESSL 1.00 doesn't have unsigned integers, so gl_ViewID_OVR is a signed integer in ESSL
883 // 1.00. This is specified in the WEBGL_multiview spec.
884 symbolTable.insertVariableExt(ESSL1_BUILTINS, TExtension::OVR_multiview, "gl_ViewID_OVR",
885 TType(EbtInt, EbpHigh, EvqViewIDOVR, 1));
886 }
887
888 switch (type)
889 {
890 case GL_FRAGMENT_SHADER:
891 {
892 symbolTable.insertVariable(COMMON_BUILTINS, "gl_FragCoord",
893 TType(EbtFloat, EbpMedium, EvqFragCoord, 4));
894 symbolTable.insertVariable(COMMON_BUILTINS, "gl_FrontFacing",
895 TType(EbtBool, EbpUndefined, EvqFrontFacing, 1));
896 symbolTable.insertVariable(COMMON_BUILTINS, "gl_PointCoord",
897 TType(EbtFloat, EbpMedium, EvqPointCoord, 2));
898
899 symbolTable.insertVariable(ESSL1_BUILTINS, "gl_FragColor",
900 TType(EbtFloat, EbpMedium, EvqFragColor, 4));
901 TType fragData(EbtFloat, EbpMedium, EvqFragData, 4);
902 if (spec != SH_WEBGL2_SPEC && spec != SH_WEBGL3_SPEC)
903 {
904 fragData.makeArray(resources.MaxDrawBuffers);
905 }
906 else
907 {
908 fragData.makeArray(1u);
909 }
910 symbolTable.insertVariable(ESSL1_BUILTINS, "gl_FragData", fragData);
911
912 if (resources.EXT_blend_func_extended)
913 {
914 symbolTable.insertVariableExt(
915 ESSL1_BUILTINS, TExtension::EXT_blend_func_extended, "gl_SecondaryFragColorEXT",
916 TType(EbtFloat, EbpMedium, EvqSecondaryFragColorEXT, 4));
917 TType secondaryFragData(EbtFloat, EbpMedium, EvqSecondaryFragDataEXT, 4, 1);
918 secondaryFragData.makeArray(resources.MaxDualSourceDrawBuffers);
919 symbolTable.insertVariableExt(ESSL1_BUILTINS, TExtension::EXT_blend_func_extended,
920 "gl_SecondaryFragDataEXT", secondaryFragData);
921 }
922
923 if (resources.EXT_frag_depth)
924 {
925 symbolTable.insertVariableExt(
926 ESSL1_BUILTINS, TExtension::EXT_frag_depth, "gl_FragDepthEXT",
927 TType(EbtFloat, resources.FragmentPrecisionHigh ? EbpHigh : EbpMedium,
928 EvqFragDepthEXT, 1));
929 }
930
931 symbolTable.insertVariable(ESSL3_BUILTINS, "gl_FragDepth",
932 TType(EbtFloat, EbpHigh, EvqFragDepth, 1));
933
934 if (resources.EXT_shader_framebuffer_fetch || resources.NV_shader_framebuffer_fetch)
935 {
936 TType lastFragData(EbtFloat, EbpMedium, EvqLastFragData, 4, 1);
937 lastFragData.makeArray(resources.MaxDrawBuffers);
938
939 if (resources.EXT_shader_framebuffer_fetch)
940 {
941 symbolTable.insertVariableExt(ESSL1_BUILTINS,
942 TExtension::EXT_shader_framebuffer_fetch,
943 "gl_LastFragData", lastFragData);
944 }
945 else if (resources.NV_shader_framebuffer_fetch)
946 {
947 symbolTable.insertVariableExt(
948 ESSL1_BUILTINS, TExtension::NV_shader_framebuffer_fetch, "gl_LastFragColor",
949 TType(EbtFloat, EbpMedium, EvqLastFragColor, 4));
950 symbolTable.insertVariableExt(ESSL1_BUILTINS,
951 TExtension::NV_shader_framebuffer_fetch,
952 "gl_LastFragData", lastFragData);
953 }
954 }
955 else if (resources.ARM_shader_framebuffer_fetch)
956 {
957 symbolTable.insertVariableExt(
958 ESSL1_BUILTINS, TExtension::ARM_shader_framebuffer_fetch, "gl_LastFragColorARM",
959 TType(EbtFloat, EbpMedium, EvqLastFragColor, 4));
960 }
961
962 if (resources.OES_geometry_shader)
963 {
964 TExtension extension = TExtension::OES_geometry_shader;
965 symbolTable.insertVariableExt(ESSL3_1_BUILTINS, extension, "gl_PrimitiveID",
966 TType(EbtInt, EbpHigh, EvqPrimitiveID, 1));
967 symbolTable.insertVariableExt(ESSL3_1_BUILTINS, extension, "gl_Layer",
968 TType(EbtInt, EbpHigh, EvqLayer, 1));
969 }
970
971 break;
972 }
973 case GL_VERTEX_SHADER:
974 {
975 symbolTable.insertVariable(COMMON_BUILTINS, "gl_Position",
976 TType(EbtFloat, EbpHigh, EvqPosition, 4));
977 symbolTable.insertVariable(COMMON_BUILTINS, "gl_PointSize",
978 TType(EbtFloat, EbpMedium, EvqPointSize, 1));
979 symbolTable.insertVariable(ESSL3_BUILTINS, "gl_InstanceID",
980 TType(EbtInt, EbpHigh, EvqInstanceID, 1));
981 symbolTable.insertVariable(ESSL3_BUILTINS, "gl_VertexID",
982 TType(EbtInt, EbpHigh, EvqVertexID, 1));
983
984 // For internal use by ANGLE - not exposed to the parser.
985 symbolTable.insertVariable(GLSL_BUILTINS, "gl_ViewportIndex",
986 TType(EbtInt, EbpHigh, EvqViewportIndex));
987 // gl_Layer exists in other shader stages in ESSL, but not in vertex shader so far.
988 symbolTable.insertVariable(GLSL_BUILTINS, "gl_Layer", TType(EbtInt, EbpHigh, EvqLayer));
989 break;
990 }
991 case GL_COMPUTE_SHADER:
992 {
993 symbolTable.insertVariable(ESSL3_1_BUILTINS, "gl_NumWorkGroups",
994 TType(EbtUInt, EbpUndefined, EvqNumWorkGroups, 3));
995 symbolTable.insertVariable(ESSL3_1_BUILTINS, "gl_WorkGroupSize",
996 TType(EbtUInt, EbpUndefined, EvqWorkGroupSize, 3));
997 symbolTable.insertVariable(ESSL3_1_BUILTINS, "gl_WorkGroupID",
998 TType(EbtUInt, EbpUndefined, EvqWorkGroupID, 3));
999 symbolTable.insertVariable(ESSL3_1_BUILTINS, "gl_LocalInvocationID",
1000 TType(EbtUInt, EbpUndefined, EvqLocalInvocationID, 3));
1001 symbolTable.insertVariable(ESSL3_1_BUILTINS, "gl_GlobalInvocationID",
1002 TType(EbtUInt, EbpUndefined, EvqGlobalInvocationID, 3));
1003 symbolTable.insertVariable(ESSL3_1_BUILTINS, "gl_LocalInvocationIndex",
1004 TType(EbtUInt, EbpUndefined, EvqLocalInvocationIndex, 1));
1005 break;
1006 }
1007
1008 case GL_GEOMETRY_SHADER_OES:
1009 {
1010 TExtension extension = TExtension::OES_geometry_shader;
1011
1012 // Add built-in interface block gl_PerVertex and the built-in array gl_in.
1013 // TODO(jiawei.shao@intel.com): implement GL_OES_geometry_point_size.
1014 const TString *glPerVertexString = NewPoolTString("gl_PerVertex");
1015 symbolTable.insertInterfaceBlockNameExt(ESSL3_1_BUILTINS, extension, glPerVertexString);
1016
1017 TFieldList *fieldList = NewPoolTFieldList();
1018 TSourceLoc zeroSourceLoc = {0, 0, 0, 0};
1019 TField *glPositionField = new TField(new TType(EbtFloat, EbpHigh, EvqPosition, 4),
1020 NewPoolTString("gl_Position"), zeroSourceLoc);
1021 fieldList->push_back(glPositionField);
1022
1023 TInterfaceBlock *glInBlock = new TInterfaceBlock(
1024 glPerVertexString, fieldList, NewPoolTString("gl_in"), TLayoutQualifier::Create());
1025
1026 // The array size of gl_in is undefined until we get a valid input primitive
1027 // declaration.
1028 TType glInType(glInBlock, EvqPerVertexIn, TLayoutQualifier::Create());
1029 glInType.makeArray(0u);
1030 symbolTable.insertVariableExt(ESSL3_1_BUILTINS, extension, "gl_in", glInType);
1031
1032 TType glPositionType(EbtFloat, EbpHigh, EvqPosition, 4);
1033 glPositionType.setInterfaceBlock(new TInterfaceBlock(
1034 glPerVertexString, fieldList, nullptr, TLayoutQualifier::Create()));
1035 symbolTable.insertVariableExt(ESSL3_1_BUILTINS, extension, "gl_Position",
1036 glPositionType);
1037 symbolTable.insertVariableExt(ESSL3_1_BUILTINS, extension, "gl_PrimitiveIDIn",
1038 TType(EbtInt, EbpHigh, EvqPrimitiveIDIn, 1));
1039 symbolTable.insertVariableExt(ESSL3_1_BUILTINS, extension, "gl_InvocationID",
1040 TType(EbtInt, EbpHigh, EvqInvocationID, 1));
1041 symbolTable.insertVariableExt(ESSL3_1_BUILTINS, extension, "gl_PrimitiveID",
1042 TType(EbtInt, EbpHigh, EvqPrimitiveID, 1));
1043 symbolTable.insertVariableExt(ESSL3_1_BUILTINS, extension, "gl_Layer",
1044 TType(EbtInt, EbpHigh, EvqLayer, 1));
1045
1046 break;
1047 }
1048 default:
1049 UNREACHABLE();
1050 }
1051 }
1052
InitExtensionBehavior(const ShBuiltInResources & resources,TExtensionBehavior & extBehavior)1053 void InitExtensionBehavior(const ShBuiltInResources &resources, TExtensionBehavior &extBehavior)
1054 {
1055 if (resources.OES_standard_derivatives)
1056 {
1057 extBehavior[TExtension::OES_standard_derivatives] = EBhUndefined;
1058 }
1059 if (resources.OES_EGL_image_external)
1060 {
1061 extBehavior[TExtension::OES_EGL_image_external] = EBhUndefined;
1062 }
1063 if (resources.OES_EGL_image_external_essl3)
1064 {
1065 extBehavior[TExtension::OES_EGL_image_external_essl3] = EBhUndefined;
1066 }
1067 if (resources.NV_EGL_stream_consumer_external)
1068 {
1069 extBehavior[TExtension::NV_EGL_stream_consumer_external] = EBhUndefined;
1070 }
1071 if (resources.ARB_texture_rectangle)
1072 {
1073 // Special: ARB_texture_rectangle extension does not follow the standard for #extension
1074 // directives - it is enabled by default. An extension directive may still disable it.
1075 extBehavior[TExtension::ARB_texture_rectangle] = EBhEnable;
1076 }
1077 if (resources.EXT_blend_func_extended)
1078 {
1079 extBehavior[TExtension::EXT_blend_func_extended] = EBhUndefined;
1080 }
1081 if (resources.EXT_draw_buffers)
1082 {
1083 extBehavior[TExtension::EXT_draw_buffers] = EBhUndefined;
1084 }
1085 if (resources.EXT_frag_depth)
1086 {
1087 extBehavior[TExtension::EXT_frag_depth] = EBhUndefined;
1088 }
1089 if (resources.EXT_shader_texture_lod)
1090 {
1091 extBehavior[TExtension::EXT_shader_texture_lod] = EBhUndefined;
1092 }
1093 if (resources.EXT_shader_framebuffer_fetch)
1094 {
1095 extBehavior[TExtension::EXT_shader_framebuffer_fetch] = EBhUndefined;
1096 }
1097 if (resources.NV_shader_framebuffer_fetch)
1098 {
1099 extBehavior[TExtension::NV_shader_framebuffer_fetch] = EBhUndefined;
1100 }
1101 if (resources.ARM_shader_framebuffer_fetch)
1102 {
1103 extBehavior[TExtension::ARM_shader_framebuffer_fetch] = EBhUndefined;
1104 }
1105 if (resources.OVR_multiview)
1106 {
1107 extBehavior[TExtension::OVR_multiview] = EBhUndefined;
1108 }
1109 if (resources.EXT_YUV_target)
1110 {
1111 extBehavior[TExtension::EXT_YUV_target] = EBhUndefined;
1112 }
1113 if (resources.OES_geometry_shader)
1114 {
1115 extBehavior[TExtension::OES_geometry_shader] = EBhUndefined;
1116 extBehavior[TExtension::EXT_geometry_shader] = EBhUndefined;
1117 }
1118 }
1119
ResetExtensionBehavior(TExtensionBehavior & extBehavior)1120 void ResetExtensionBehavior(TExtensionBehavior &extBehavior)
1121 {
1122 for (auto &ext : extBehavior)
1123 {
1124 if (ext.first == TExtension::ARB_texture_rectangle)
1125 {
1126 ext.second = EBhEnable;
1127 }
1128 else
1129 {
1130 ext.second = EBhUndefined;
1131 }
1132 }
1133 }
1134
1135 } // namespace sh
1136