1/*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SKSL_CONTEXT
9#define SKSL_CONTEXT
10
11#include "src/sksl/ir/SkSLExpression.h"
12#include "src/sksl/ir/SkSLType.h"
13
14namespace SkSL {
15
16/**
17 * Contains compiler-wide objects, which currently means the core types.
18 */
19class Context {
20public:
21 Context()
22 : fInvalid_Type(new Type("<INVALID>"))
23 , fVoid_Type(new Type("void"))
24 , fNull_Type(new Type("null"))
25 , fFloatLiteral_Type(new Type("$floatLiteral", Type::kFloat_NumberKind, 3))
26 , fIntLiteral_Type(new Type("$intLiteral", Type::kSigned_NumberKind, 1))
27 , fDouble_Type(new Type("double", Type::kFloat_NumberKind, 6, true))
28 , fDouble2_Type(new Type("double2", *fDouble_Type, 2))
29 , fDouble3_Type(new Type("double3", *fDouble_Type, 3))
30 , fDouble4_Type(new Type("double4", *fDouble_Type, 4))
31 , fFloat_Type(new Type("float", Type::kFloat_NumberKind, 5, true))
32 , fFloat2_Type(new Type("float2", *fFloat_Type, 2))
33 , fFloat3_Type(new Type("float3", *fFloat_Type, 3))
34 , fFloat4_Type(new Type("float4", *fFloat_Type, 4))
35 , fHalf_Type(new Type("half", Type::kFloat_NumberKind, 4))
36 , fHalf2_Type(new Type("half2", *fHalf_Type, 2))
37 , fHalf3_Type(new Type("half3", *fHalf_Type, 3))
38 , fHalf4_Type(new Type("half4", *fHalf_Type, 4))
39 , fUInt_Type(new Type("uint", Type::kUnsigned_NumberKind, 2, true))
40 , fUInt2_Type(new Type("uint2", *fUInt_Type, 2))
41 , fUInt3_Type(new Type("uint3", *fUInt_Type, 3))
42 , fUInt4_Type(new Type("uint4", *fUInt_Type, 4))
43 , fInt_Type(new Type("int", Type::kSigned_NumberKind, 2, true))
44 , fInt2_Type(new Type("int2", *fInt_Type, 2))
45 , fInt3_Type(new Type("int3", *fInt_Type, 3))
46 , fInt4_Type(new Type("int4", *fInt_Type, 4))
47 , fUShort_Type(new Type("ushort", Type::kUnsigned_NumberKind, 0))
48 , fUShort2_Type(new Type("ushort2", *fUShort_Type, 2))
49 , fUShort3_Type(new Type("ushort3", *fUShort_Type, 3))
50 , fUShort4_Type(new Type("ushort4", *fUShort_Type, 4))
51 , fShort_Type(new Type("short", Type::kSigned_NumberKind, 0))
52 , fShort2_Type(new Type("short2", *fShort_Type, 2))
53 , fShort3_Type(new Type("short3", *fShort_Type, 3))
54 , fShort4_Type(new Type("short4", *fShort_Type, 4))
55 , fUByte_Type(new Type("ubyte", Type::kUnsigned_NumberKind, 0))
56 , fUByte2_Type(new Type("ubyte2", *fUByte_Type, 2))
57 , fUByte3_Type(new Type("ubyte3", *fUByte_Type, 3))
58 , fUByte4_Type(new Type("ubyte4", *fUByte_Type, 4))
59 , fByte_Type(new Type("byte", Type::kSigned_NumberKind, 0))
60 , fByte2_Type(new Type("byte2", *fByte_Type, 2))
61 , fByte3_Type(new Type("byte3", *fByte_Type, 3))
62 , fByte4_Type(new Type("byte4", *fByte_Type, 4))
63 , fBool_Type(new Type("bool", Type::kNonnumeric_NumberKind, -1))
64 , fBool2_Type(new Type("bool2", *fBool_Type, 2))
65 , fBool3_Type(new Type("bool3", *fBool_Type, 3))
66 , fBool4_Type(new Type("bool4", *fBool_Type, 4))
67 , fFloat2x2_Type(new Type("float2x2", *fFloat_Type, 2, 2))
68 , fFloat2x3_Type(new Type("float2x3", *fFloat_Type, 2, 3))
69 , fFloat2x4_Type(new Type("float2x4", *fFloat_Type, 2, 4))
70 , fFloat3x2_Type(new Type("float3x2", *fFloat_Type, 3, 2))
71 , fFloat3x3_Type(new Type("float3x3", *fFloat_Type, 3, 3))
72 , fFloat3x4_Type(new Type("float3x4", *fFloat_Type, 3, 4))
73 , fFloat4x2_Type(new Type("float4x2", *fFloat_Type, 4, 2))
74 , fFloat4x3_Type(new Type("float4x3", *fFloat_Type, 4, 3))
75 , fFloat4x4_Type(new Type("float4x4", *fFloat_Type, 4, 4))
76 , fHalf2x2_Type(new Type("half2x2", *fHalf_Type, 2, 2))
77 , fHalf2x3_Type(new Type("half2x3", *fHalf_Type, 2, 3))
78 , fHalf2x4_Type(new Type("half2x4", *fHalf_Type, 2, 4))
79 , fHalf3x2_Type(new Type("half3x2", *fHalf_Type, 3, 2))
80 , fHalf3x3_Type(new Type("half3x3", *fHalf_Type, 3, 3))
81 , fHalf3x4_Type(new Type("half3x4", *fHalf_Type, 3, 4))
82 , fHalf4x2_Type(new Type("half4x2", *fHalf_Type, 4, 2))
83 , fHalf4x3_Type(new Type("half4x3", *fHalf_Type, 4, 3))
84 , fHalf4x4_Type(new Type("half4x4", *fHalf_Type, 4, 4))
85 , fDouble2x2_Type(new Type("double2x2", *fDouble_Type, 2, 2))
86 , fDouble2x3_Type(new Type("double2x3", *fDouble_Type, 2, 3))
87 , fDouble2x4_Type(new Type("double2x4", *fDouble_Type, 2, 4))
88 , fDouble3x2_Type(new Type("double3x2", *fDouble_Type, 3, 2))
89 , fDouble3x3_Type(new Type("double3x3", *fDouble_Type, 3, 3))
90 , fDouble3x4_Type(new Type("double3x4", *fDouble_Type, 3, 4))
91 , fDouble4x2_Type(new Type("double4x2", *fDouble_Type, 4, 2))
92 , fDouble4x3_Type(new Type("double4x3", *fDouble_Type, 4, 3))
93 , fDouble4x4_Type(new Type("double4x4", *fDouble_Type, 4, 4))
94 , fTexture1D_Type(new Type("texture1D", SpvDim1D, false, false, false, true))
95 , fTexture2D_Type(new Type("texture2D", SpvDim2D, false, false, false, true))
96 , fTexture3D_Type(new Type("texture3D", SpvDim3D, false, false, false, true))
97 , fTextureExternalOES_Type(new Type("textureExternalOES", SpvDim2D, false, false, false, true))
98 , fTextureCube_Type(new Type("textureCube", SpvDimCube, false, false, false, true))
99 , fTexture2DRect_Type(new Type("texture2DRect", SpvDimRect, false, false, false, true))
100 , fTextureBuffer_Type(new Type("textureBuffer", SpvDimBuffer, false, false, false, true))
101 , fITexture2D_Type(new Type("itexture2D", SpvDim2D, false, false, false, true))
102 , fSampler1D_Type(new Type("sampler1D", *fTexture1D_Type))
103 , fSampler2D_Type(new Type("sampler2D", *fTexture2D_Type))
104 , fSampler3D_Type(new Type("sampler3D", *fTexture3D_Type))
105 , fSamplerExternalOES_Type(new Type("samplerExternalOES", *fTextureExternalOES_Type))
106 , fSamplerCube_Type(new Type("samplerCube", *fTextureCube_Type))
107 , fSampler2DRect_Type(new Type("sampler2DRect", *fTexture2DRect_Type))
108 , fSampler1DArray_Type(new Type("sampler1DArray"))
109 , fSampler2DArray_Type(new Type("sampler2DArray"))
110 , fSamplerCubeArray_Type(new Type("samplerCubeArray"))
111 , fSamplerBuffer_Type(new Type("samplerBuffer", *fTextureBuffer_Type))
112 , fSampler2DMS_Type(new Type("sampler2DMS"))
113 , fSampler2DMSArray_Type(new Type("sampler2DMSArray"))
114 , fSampler1DShadow_Type(new Type("sampler1DShadow"))
115 , fSampler2DShadow_Type(new Type("sampler2DShadow"))
116 , fSamplerCubeShadow_Type(new Type("samplerCubeShadow"))
117 , fSampler2DRectShadow_Type(new Type("sampler2DRectShadow"))
118 , fSampler1DArrayShadow_Type(new Type("sampler1DArrayShadow"))
119 , fSampler2DArrayShadow_Type(new Type("sampler2DArrayShadow"))
120 , fSamplerCubeArrayShadow_Type(new Type("samplerCubeArrayShadow"))
121
122 // Related to below FIXME, gsampler*s don't currently expand to cover integer case.
123 , fISampler2D_Type(new Type("isampler2D", *fITexture2D_Type))
124
125 , fSampler_Type(new Type("sampler", Type::kSeparateSampler_Kind))
126 // FIXME express these as "gimage2D" that expand to image2D, iimage2D, and uimage2D.
127 , fImage2D_Type(new Type("image2D", SpvDim2D, false, false, false, true))
128 , fIImage2D_Type(new Type("iimage2D", SpvDim2D, false, false, false, true))
129
130 // FIXME express these as "gsubpassInput" that expand to subpassInput, isubpassInput,
131 // and usubpassInput.
132 , fSubpassInput_Type(new Type("subpassInput", SpvDimSubpassData, false, false,
133 false, false))
134 , fSubpassInputMS_Type(new Type("subpassInputMS", SpvDimSubpassData, false, false,
135 true, false))
136
137 // FIXME figure out what we're supposed to do with the gsampler et al. types)
138 , fGSampler1D_Type(new Type("$gsampler1D", static_type(*fSampler1D_Type)))
139 , fGSampler2D_Type(new Type("$gsampler2D", static_type(*fSampler2D_Type)))
140 , fGSampler3D_Type(new Type("$gsampler3D", static_type(*fSampler3D_Type)))
141 , fGSamplerCube_Type(new Type("$gsamplerCube", static_type(*fSamplerCube_Type)))
142 , fGSampler2DRect_Type(new Type("$gsampler2DRect", static_type(*fSampler2DRect_Type)))
143 , fGSampler1DArray_Type(new Type("$gsampler1DArray",
144 static_type(*fSampler1DArray_Type)))
145 , fGSampler2DArray_Type(new Type("$gsampler2DArray",
146 static_type(*fSampler2DArray_Type)))
147 , fGSamplerCubeArray_Type(new Type("$gsamplerCubeArray",
148 static_type(*fSamplerCubeArray_Type)))
149 , fGSamplerBuffer_Type(new Type("$gsamplerBuffer", static_type(*fSamplerBuffer_Type)))
150 , fGSampler2DMS_Type(new Type("$gsampler2DMS", static_type(*fSampler2DMS_Type)))
151 , fGSampler2DMSArray_Type(new Type("$gsampler2DMSArray",
152 static_type(*fSampler2DMSArray_Type)))
153 , fGSampler2DArrayShadow_Type(new Type("$gsampler2DArrayShadow",
154 static_type(*fSampler2DArrayShadow_Type)))
155 , fGSamplerCubeArrayShadow_Type(new Type("$gsamplerCubeArrayShadow",
156 static_type(*fSamplerCubeArrayShadow_Type)))
157 , fGenType_Type(new Type("$genType", { fFloat_Type.get(), fFloat2_Type.get(),
158 fFloat3_Type.get(), fFloat4_Type.get() }))
159 , fGenHType_Type(new Type("$genHType", { fHalf_Type.get(), fHalf2_Type.get(),
160 fHalf3_Type.get(), fHalf4_Type.get() }))
161 , fGenDType_Type(new Type("$genDType", { fDouble_Type.get(), fDouble2_Type.get(),
162 fDouble3_Type.get(), fDouble4_Type.get() }))
163 , fGenIType_Type(new Type("$genIType", { fInt_Type.get(), fInt2_Type.get(),
164 fInt3_Type.get(), fInt4_Type.get() }))
165 , fGenUType_Type(new Type("$genUType", { fUInt_Type.get(), fUInt2_Type.get(),
166 fUInt3_Type.get(), fUInt4_Type.get() }))
167 , fGenBType_Type(new Type("$genBType", { fBool_Type.get(), fBool2_Type.get(),
168 fBool3_Type.get(), fBool4_Type.get() }))
169 , fMat_Type(new Type("$mat", { fFloat2x2_Type.get(), fFloat2x3_Type.get(),
170 fFloat2x4_Type.get(), fFloat3x2_Type.get(),
171 fFloat3x3_Type.get(), fFloat3x4_Type.get(),
172 fFloat4x2_Type.get(), fFloat4x3_Type.get(),
173 fFloat4x4_Type.get(), fHalf2x2_Type.get(),
174 fHalf2x3_Type.get(), fHalf2x4_Type.get(),
175 fHalf3x2_Type.get(), fHalf3x3_Type.get(),
176 fHalf3x4_Type.get(), fHalf4x2_Type.get(),
177 fHalf4x3_Type.get(), fHalf4x4_Type.get(),
178 fDouble2x2_Type.get(), fDouble2x3_Type.get(),
179 fDouble2x4_Type.get(), fDouble3x2_Type.get(),
180 fDouble3x3_Type.get(), fDouble3x4_Type.get(),
181 fDouble4x2_Type.get(), fDouble4x3_Type.get(),
182 fDouble4x4_Type.get() }))
183 , fVec_Type(new Type("$vec", { fInvalid_Type.get(), fFloat2_Type.get(),
184 fFloat3_Type.get(), fFloat4_Type.get() }))
185 , fGVec_Type(new Type("$gvec"))
186 , fGVec2_Type(new Type("$gfloat2"))
187 , fGVec3_Type(new Type("$gfloat3"))
188 , fGVec4_Type(new Type("$gfloat4", static_type(*fFloat4_Type)))
189 , fHVec_Type(new Type("$hvec", { fInvalid_Type.get(), fHalf2_Type.get(),
190 fHalf3_Type.get(), fHalf4_Type.get() }))
191 , fDVec_Type(new Type("$dvec", { fInvalid_Type.get(), fDouble2_Type.get(),
192 fDouble3_Type.get(), fDouble4_Type.get() }))
193 , fIVec_Type(new Type("$ivec", { fInvalid_Type.get(), fInt2_Type.get(),
194 fInt3_Type.get(), fInt4_Type.get() }))
195 , fUVec_Type(new Type("$uvec", { fInvalid_Type.get(), fUInt2_Type.get(),
196 fUInt3_Type.get(), fUInt4_Type.get() }))
197 , fSVec_Type(new Type("$svec", { fInvalid_Type.get(), fShort2_Type.get(),
198 fShort3_Type.get(), fShort4_Type.get() }))
199 , fUSVec_Type(new Type("$usvec", { fInvalid_Type.get(), fUShort2_Type.get(),
200 fUShort3_Type.get(), fUShort4_Type.get() }))
201 , fByteVec_Type(new Type("$bytevec", { fInvalid_Type.get(), fByte2_Type.get(),
202 fByte3_Type.get(), fByte4_Type.get() }))
203 , fUByteVec_Type(new Type("$ubytevec", { fInvalid_Type.get(), fUByte2_Type.get(),
204 fUByte3_Type.get(), fUByte4_Type.get() }))
205 , fBVec_Type(new Type("$bvec", { fInvalid_Type.get(), fBool2_Type.get(),
206 fBool3_Type.get(), fBool4_Type.get() }))
207 , fSkCaps_Type(new Type("$sk_Caps"))
208 , fSkArgs_Type(new Type("$sk_Args"))
209 , fFragmentProcessor_Type(fp_type(fInt_Type.get(), fBool_Type.get()))
210 , fDefined_Expression(new Defined(*fInvalid_Type)) {}
211
212 static std::vector<const Type*> static_type(const Type& t) {
213 return { &t, &t, &t, &t };
214 }
215
216 const std::unique_ptr<Type> fInvalid_Type;
217 const std::unique_ptr<Type> fVoid_Type;
218 const std::unique_ptr<Type> fNull_Type;
219 const std::unique_ptr<Type> fFloatLiteral_Type;
220 const std::unique_ptr<Type> fIntLiteral_Type;
221
222 const std::unique_ptr<Type> fDouble_Type;
223 const std::unique_ptr<Type> fDouble2_Type;
224 const std::unique_ptr<Type> fDouble3_Type;
225 const std::unique_ptr<Type> fDouble4_Type;
226
227 const std::unique_ptr<Type> fFloat_Type;
228 const std::unique_ptr<Type> fFloat2_Type;
229 const std::unique_ptr<Type> fFloat3_Type;
230 const std::unique_ptr<Type> fFloat4_Type;
231
232 const std::unique_ptr<Type> fHalf_Type;
233 const std::unique_ptr<Type> fHalf2_Type;
234 const std::unique_ptr<Type> fHalf3_Type;
235 const std::unique_ptr<Type> fHalf4_Type;
236
237 const std::unique_ptr<Type> fUInt_Type;
238 const std::unique_ptr<Type> fUInt2_Type;
239 const std::unique_ptr<Type> fUInt3_Type;
240 const std::unique_ptr<Type> fUInt4_Type;
241
242 const std::unique_ptr<Type> fInt_Type;
243 const std::unique_ptr<Type> fInt2_Type;
244 const std::unique_ptr<Type> fInt3_Type;
245 const std::unique_ptr<Type> fInt4_Type;
246
247 const std::unique_ptr<Type> fUShort_Type;
248 const std::unique_ptr<Type> fUShort2_Type;
249 const std::unique_ptr<Type> fUShort3_Type;
250 const std::unique_ptr<Type> fUShort4_Type;
251
252 const std::unique_ptr<Type> fShort_Type;
253 const std::unique_ptr<Type> fShort2_Type;
254 const std::unique_ptr<Type> fShort3_Type;
255 const std::unique_ptr<Type> fShort4_Type;
256
257 const std::unique_ptr<Type> fUByte_Type;
258 const std::unique_ptr<Type> fUByte2_Type;
259 const std::unique_ptr<Type> fUByte3_Type;
260 const std::unique_ptr<Type> fUByte4_Type;
261
262 const std::unique_ptr<Type> fByte_Type;
263 const std::unique_ptr<Type> fByte2_Type;
264 const std::unique_ptr<Type> fByte3_Type;
265 const std::unique_ptr<Type> fByte4_Type;
266
267 const std::unique_ptr<Type> fBool_Type;
268 const std::unique_ptr<Type> fBool2_Type;
269 const std::unique_ptr<Type> fBool3_Type;
270 const std::unique_ptr<Type> fBool4_Type;
271
272 const std::unique_ptr<Type> fFloat2x2_Type;
273 const std::unique_ptr<Type> fFloat2x3_Type;
274 const std::unique_ptr<Type> fFloat2x4_Type;
275 const std::unique_ptr<Type> fFloat3x2_Type;
276 const std::unique_ptr<Type> fFloat3x3_Type;
277 const std::unique_ptr<Type> fFloat3x4_Type;
278 const std::unique_ptr<Type> fFloat4x2_Type;
279 const std::unique_ptr<Type> fFloat4x3_Type;
280 const std::unique_ptr<Type> fFloat4x4_Type;
281
282 const std::unique_ptr<Type> fHalf2x2_Type;
283 const std::unique_ptr<Type> fHalf2x3_Type;
284 const std::unique_ptr<Type> fHalf2x4_Type;
285 const std::unique_ptr<Type> fHalf3x2_Type;
286 const std::unique_ptr<Type> fHalf3x3_Type;
287 const std::unique_ptr<Type> fHalf3x4_Type;
288 const std::unique_ptr<Type> fHalf4x2_Type;
289 const std::unique_ptr<Type> fHalf4x3_Type;
290 const std::unique_ptr<Type> fHalf4x4_Type;
291
292 const std::unique_ptr<Type> fDouble2x2_Type;
293 const std::unique_ptr<Type> fDouble2x3_Type;
294 const std::unique_ptr<Type> fDouble2x4_Type;
295 const std::unique_ptr<Type> fDouble3x2_Type;
296 const std::unique_ptr<Type> fDouble3x3_Type;
297 const std::unique_ptr<Type> fDouble3x4_Type;
298 const std::unique_ptr<Type> fDouble4x2_Type;
299 const std::unique_ptr<Type> fDouble4x3_Type;
300 const std::unique_ptr<Type> fDouble4x4_Type;
301
302 const std::unique_ptr<Type> fTexture1D_Type;
303 const std::unique_ptr<Type> fTexture2D_Type;
304 const std::unique_ptr<Type> fTexture3D_Type;
305 const std::unique_ptr<Type> fTextureExternalOES_Type;
306 const std::unique_ptr<Type> fTextureCube_Type;
307 const std::unique_ptr<Type> fTexture2DRect_Type;
308 const std::unique_ptr<Type> fTextureBuffer_Type;
309 const std::unique_ptr<Type> fITexture2D_Type;
310
311 const std::unique_ptr<Type> fSampler1D_Type;
312 const std::unique_ptr<Type> fSampler2D_Type;
313 const std::unique_ptr<Type> fSampler3D_Type;
314 const std::unique_ptr<Type> fSamplerExternalOES_Type;
315 const std::unique_ptr<Type> fSamplerCube_Type;
316 const std::unique_ptr<Type> fSampler2DRect_Type;
317 const std::unique_ptr<Type> fSampler1DArray_Type;
318 const std::unique_ptr<Type> fSampler2DArray_Type;
319 const std::unique_ptr<Type> fSamplerCubeArray_Type;
320 const std::unique_ptr<Type> fSamplerBuffer_Type;
321 const std::unique_ptr<Type> fSampler2DMS_Type;
322 const std::unique_ptr<Type> fSampler2DMSArray_Type;
323 const std::unique_ptr<Type> fSampler1DShadow_Type;
324 const std::unique_ptr<Type> fSampler2DShadow_Type;
325 const std::unique_ptr<Type> fSamplerCubeShadow_Type;
326 const std::unique_ptr<Type> fSampler2DRectShadow_Type;
327 const std::unique_ptr<Type> fSampler1DArrayShadow_Type;
328 const std::unique_ptr<Type> fSampler2DArrayShadow_Type;
329 const std::unique_ptr<Type> fSamplerCubeArrayShadow_Type;
330
331 const std::unique_ptr<Type> fISampler2D_Type;
332 const std::unique_ptr<Type> fSampler_Type;
333
334 const std::unique_ptr<Type> fImage2D_Type;
335 const std::unique_ptr<Type> fIImage2D_Type;
336
337 const std::unique_ptr<Type> fSubpassInput_Type;
338 const std::unique_ptr<Type> fSubpassInputMS_Type;
339
340 const std::unique_ptr<Type> fGSampler1D_Type;
341 const std::unique_ptr<Type> fGSampler2D_Type;
342 const std::unique_ptr<Type> fGSampler3D_Type;
343 const std::unique_ptr<Type> fGSamplerCube_Type;
344 const std::unique_ptr<Type> fGSampler2DRect_Type;
345 const std::unique_ptr<Type> fGSampler1DArray_Type;
346 const std::unique_ptr<Type> fGSampler2DArray_Type;
347 const std::unique_ptr<Type> fGSamplerCubeArray_Type;
348 const std::unique_ptr<Type> fGSamplerBuffer_Type;
349 const std::unique_ptr<Type> fGSampler2DMS_Type;
350 const std::unique_ptr<Type> fGSampler2DMSArray_Type;
351 const std::unique_ptr<Type> fGSampler2DArrayShadow_Type;
352 const std::unique_ptr<Type> fGSamplerCubeArrayShadow_Type;
353
354 const std::unique_ptr<Type> fGenType_Type;
355 const std::unique_ptr<Type> fGenHType_Type;
356 const std::unique_ptr<Type> fGenDType_Type;
357 const std::unique_ptr<Type> fGenIType_Type;
358 const std::unique_ptr<Type> fGenUType_Type;
359 const std::unique_ptr<Type> fGenBType_Type;
360
361 const std::unique_ptr<Type> fMat_Type;
362
363 const std::unique_ptr<Type> fVec_Type;
364
365 const std::unique_ptr<Type> fGVec_Type;
366 const std::unique_ptr<Type> fGVec2_Type;
367 const std::unique_ptr<Type> fGVec3_Type;
368 const std::unique_ptr<Type> fGVec4_Type;
369 const std::unique_ptr<Type> fHVec_Type;
370 const std::unique_ptr<Type> fDVec_Type;
371 const std::unique_ptr<Type> fIVec_Type;
372 const std::unique_ptr<Type> fUVec_Type;
373 const std::unique_ptr<Type> fSVec_Type;
374 const std::unique_ptr<Type> fUSVec_Type;
375 const std::unique_ptr<Type> fByteVec_Type;
376 const std::unique_ptr<Type> fUByteVec_Type;
377
378 const std::unique_ptr<Type> fBVec_Type;
379
380 const std::unique_ptr<Type> fSkCaps_Type;
381 const std::unique_ptr<Type> fSkArgs_Type;
382 const std::unique_ptr<Type> fFragmentProcessor_Type;
383
384 // dummy expression used to mark that a variable has a value during dataflow analysis (when it
385 // could have several different values, or the analyzer is otherwise unable to assign it a
386 // specific expression)
387 const std::unique_ptr<Expression> fDefined_Expression;
388
389private:
390 class Defined : public Expression {
391 public:
392 Defined(const Type& type)
393 : INHERITED(-1, kDefined_Kind, type) {}
394
395 bool hasProperty(Property property) const override {
396 return false;
397 }
398
399#ifdef SK_DEBUG
400 String description() const override {
401 return "<defined>";
402 }
403#endif
404
405 std::unique_ptr<Expression> clone() const override {
406 return std::unique_ptr<Expression>(new Defined(fType));
407 }
408
409 typedef Expression INHERITED;
410 };
411
412 static std::unique_ptr<Type> fp_type(const Type* intType, const Type* boolType) {
413 // Build fields for FragmentProcessors, which should parallel the
414 // C++ API for GrFragmentProcessor.
415 Modifiers mods(Layout(), Modifiers::kConst_Flag);
416 std::vector<Type::Field> fields = {
417 Type::Field(mods, "numTextureSamplers", intType),
418 Type::Field(mods, "numCoordTransforms", intType),
419 Type::Field(mods, "numChildProcessors", intType),
420 Type::Field(mods, "usesLocalCoords", boolType),
421 Type::Field(mods, "compatibleWithCoverageAsAlpha", boolType),
422 Type::Field(mods, "preservesOpaqueInput", boolType),
423 Type::Field(mods, "hasConstantOutputForConstantInput", boolType)
424 };
425 return std::unique_ptr<Type>(new Type("fragmentProcessor", fields));
426 }
427};
428
429} // namespace
430
431#endif
432