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Side by Side Diff: src/sksl/ir/SkSLType.h

Issue 2131223002: SkSL performance improvements (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: Created 4 years, 4 months ago
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1 /* 1 /*
2 * Copyright 2016 Google Inc. 2 * Copyright 2016 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #ifndef SKIASL_TYPE 8 #ifndef SKIASL_TYPE
9 #define SKIASL_TYPE 9 #define SKIASL_TYPE
10 10
11 #include "SkSLModifiers.h" 11 #include "SkSLModifiers.h"
12 #include "SkSLSymbol.h" 12 #include "SkSLSymbol.h"
13 #include "../SkSLPosition.h" 13 #include "../SkSLPosition.h"
14 #include "../SkSLUtil.h" 14 #include "../SkSLUtil.h"
15 #include "../spirv.h" 15 #include "../spirv.h"
16 #include <vector> 16 #include <vector>
17 #include <memory> 17 #include <memory>
18 18
19 namespace SkSL { 19 namespace SkSL {
20 20
21 class Context;
22
21 /** 23 /**
22 * Represents a type, such as int or vec4. 24 * Represents a type, such as int or vec4.
23 */ 25 */
24 class Type : public Symbol { 26 class Type : public Symbol {
25 public: 27 public:
26 struct Field { 28 struct Field {
27 Field(Modifiers modifiers, std::string name, std::shared_ptr<Type> type) 29 Field(Modifiers modifiers, std::string name, const Type& type)
28 : fModifiers(modifiers) 30 : fModifiers(modifiers)
29 , fName(std::move(name)) 31 , fName(std::move(name))
30 , fType(std::move(type)) {} 32 , fType(std::move(type)) {}
31 33
32 const std::string description() { 34 const std::string description() const {
33 return fType->description() + " " + fName + ";"; 35 return fType.description() + " " + fName + ";";
34 } 36 }
35 37
36 const Modifiers fModifiers; 38 const Modifiers fModifiers;
37 const std::string fName; 39 const std::string fName;
38 const std::shared_ptr<Type> fType; 40 const Type& fType;
39 }; 41 };
40 42
41 enum Kind { 43 enum Kind {
42 kScalar_Kind, 44 kScalar_Kind,
43 kVector_Kind, 45 kVector_Kind,
44 kMatrix_Kind, 46 kMatrix_Kind,
45 kArray_Kind, 47 kArray_Kind,
46 kStruct_Kind, 48 kStruct_Kind,
47 kGeneric_Kind, 49 kGeneric_Kind,
48 kSampler_Kind, 50 kSampler_Kind,
49 kOther_Kind 51 kOther_Kind
50 }; 52 };
51 53
52 // Create an "other" (special) type with the given name. These types cannot be directly 54 // Create an "other" (special) type with the given name. These types cannot be directly
53 // referenced from user code. 55 // referenced from user code.
54 Type(std::string name) 56 Type(std::string name)
55 : INHERITED(Position(), kType_Kind, std::move(name)) 57 : INHERITED(Position(), kType_Kind, std::move(name))
56 , fTypeKind(kOther_Kind) {} 58 , fTypeKind(kOther_Kind) {}
57 59
58 // Create a generic type which maps to the listed types. 60 // Create a generic type which maps to the listed types.
59 Type(std::string name, std::vector<std::shared_ptr<Type>> types) 61 Type(std::string name, std::vector<const Type*> types)
60 : INHERITED(Position(), kType_Kind, std::move(name)) 62 : INHERITED(Position(), kType_Kind, std::move(name))
61 , fTypeKind(kGeneric_Kind) 63 , fTypeKind(kGeneric_Kind)
62 , fCoercibleTypes(std::move(types)) { 64 , fCoercibleTypes(std::move(types)) {
63 ASSERT(fCoercibleTypes.size() == 4); 65 ASSERT(fCoercibleTypes.size() == 4);
64 } 66 }
65 67
66 // Create a struct type with the given fields. 68 // Create a struct type with the given fields.
67 Type(std::string name, std::vector<Field> fields) 69 Type(std::string name, std::vector<Field> fields)
68 : INHERITED(Position(), kType_Kind, std::move(name)) 70 : INHERITED(Position(), kType_Kind, std::move(name))
69 , fTypeKind(kStruct_Kind) 71 , fTypeKind(kStruct_Kind)
70 , fFields(std::move(fields)) {} 72 , fFields(std::move(fields)) {}
71 73
72 // Create a scalar type. 74 // Create a scalar type.
73 Type(std::string name, bool isNumber) 75 Type(std::string name, bool isNumber)
74 : INHERITED(Position(), kType_Kind, std::move(name)) 76 : INHERITED(Position(), kType_Kind, std::move(name))
75 , fTypeKind(kScalar_Kind) 77 , fTypeKind(kScalar_Kind)
76 , fIsNumber(isNumber) 78 , fIsNumber(isNumber)
77 , fColumns(1) 79 , fColumns(1)
78 , fRows(1) {} 80 , fRows(1) {}
79 81
80 // Create a scalar type which can be coerced to the listed types. 82 // Create a scalar type which can be coerced to the listed types.
81 Type(std::string name, bool isNumber, std::vector<std::shared_ptr<Type>> coe rcibleTypes) 83 Type(std::string name, bool isNumber, std::vector<const Type*> coercibleType s)
82 : INHERITED(Position(), kType_Kind, std::move(name)) 84 : INHERITED(Position(), kType_Kind, std::move(name))
83 , fTypeKind(kScalar_Kind) 85 , fTypeKind(kScalar_Kind)
84 , fIsNumber(isNumber) 86 , fIsNumber(isNumber)
85 , fCoercibleTypes(std::move(coercibleTypes)) 87 , fCoercibleTypes(std::move(coercibleTypes))
86 , fColumns(1) 88 , fColumns(1)
87 , fRows(1) {} 89 , fRows(1) {}
88 90
89 // Create a vector type. 91 // Create a vector type.
90 Type(std::string name, std::shared_ptr<Type> componentType, int columns) 92 Type(std::string name, const Type& componentType, int columns)
91 : Type(name, kVector_Kind, componentType, columns) {} 93 : Type(name, kVector_Kind, componentType, columns) {}
92 94
93 // Create a vector or array type. 95 // Create a vector or array type.
94 Type(std::string name, Kind kind, std::shared_ptr<Type> componentType, int c olumns) 96 Type(std::string name, Kind kind, const Type& componentType, int columns)
95 : INHERITED(Position(), kType_Kind, std::move(name)) 97 : INHERITED(Position(), kType_Kind, std::move(name))
96 , fTypeKind(kind) 98 , fTypeKind(kind)
97 , fComponentType(std::move(componentType)) 99 , fComponentType(&componentType)
98 , fColumns(columns) 100 , fColumns(columns)
99 , fRows(1) 101 , fRows(1)
100 , fDimensions(SpvDim1D) {} 102 , fDimensions(SpvDim1D) {}
101 103
102 // Create a matrix type. 104 // Create a matrix type.
103 Type(std::string name, std::shared_ptr<Type> componentType, int columns, int rows) 105 Type(std::string name, const Type& componentType, int columns, int rows)
104 : INHERITED(Position(), kType_Kind, std::move(name)) 106 : INHERITED(Position(), kType_Kind, std::move(name))
105 , fTypeKind(kMatrix_Kind) 107 , fTypeKind(kMatrix_Kind)
106 , fComponentType(std::move(componentType)) 108 , fComponentType(&componentType)
107 , fColumns(columns) 109 , fColumns(columns)
108 , fRows(rows) 110 , fRows(rows)
109 , fDimensions(SpvDim1D) {} 111 , fDimensions(SpvDim1D) {}
110 112
111 // Create a sampler type. 113 // Create a sampler type.
112 Type(std::string name, SpvDim_ dimensions, bool isDepth, bool isArrayed, boo l isMultisampled, 114 Type(std::string name, SpvDim_ dimensions, bool isDepth, bool isArrayed, boo l isMultisampled,
113 bool isSampled) 115 bool isSampled)
114 : INHERITED(Position(), kType_Kind, std::move(name)) 116 : INHERITED(Position(), kType_Kind, std::move(name))
115 , fTypeKind(kSampler_Kind) 117 , fTypeKind(kSampler_Kind)
116 , fDimensions(dimensions) 118 , fDimensions(dimensions)
(...skipping 29 matching lines...) Expand all
146 * Returns true if this is a numeric scalar type. 148 * Returns true if this is a numeric scalar type.
147 */ 149 */
148 bool isNumber() const { 150 bool isNumber() const {
149 return fIsNumber; 151 return fIsNumber;
150 } 152 }
151 153
152 /** 154 /**
153 * Returns true if an instance of this type can be freely coerced (implicitl y converted) to 155 * Returns true if an instance of this type can be freely coerced (implicitl y converted) to
154 * another type. 156 * another type.
155 */ 157 */
156 bool canCoerceTo(std::shared_ptr<Type> other) const { 158 bool canCoerceTo(const Type& other) const {
157 int cost; 159 int cost;
158 return determineCoercionCost(other, &cost); 160 return determineCoercionCost(other, &cost);
159 } 161 }
160 162
161 /** 163 /**
162 * Determines the "cost" of coercing (implicitly converting) this type to an other type. The cost 164 * Determines the "cost" of coercing (implicitly converting) this type to an other type. The cost
163 * is a number with no particular meaning other than that lower costs are pr eferable to higher 165 * is a number with no particular meaning other than that lower costs are pr eferable to higher
164 * costs. Returns true if a conversion is possible, false otherwise. The val ue of the out 166 * costs. Returns true if a conversion is possible, false otherwise. The val ue of the out
165 * parameter is undefined if false is returned. 167 * parameter is undefined if false is returned.
166 */ 168 */
167 bool determineCoercionCost(std::shared_ptr<Type> other, int* outCost) const; 169 bool determineCoercionCost(const Type& other, int* outCost) const;
168 170
169 /** 171 /**
170 * For matrices and vectors, returns the type of individual cells (e.g. mat2 has a component 172 * For matrices and vectors, returns the type of individual cells (e.g. mat2 has a component
171 * type of kFloat_Type). For all other types, causes an assertion failure. 173 * type of kFloat_Type). For all other types, causes an assertion failure.
172 */ 174 */
173 std::shared_ptr<Type> componentType() const { 175 const Type& componentType() const {
174 ASSERT(fComponentType); 176 ASSERT(fComponentType);
175 return fComponentType; 177 return *fComponentType;
176 } 178 }
177 179
178 /** 180 /**
179 * For matrices and vectors, returns the number of columns (e.g. both mat3 a nd vec3 return 3). 181 * For matrices and vectors, returns the number of columns (e.g. both mat3 a nd vec3 return 3).
180 * For scalars, returns 1. For arrays, returns either the size of the array (if known) or -1. 182 * For scalars, returns 1. For arrays, returns either the size of the array (if known) or -1.
181 * For all other types, causes an assertion failure. 183 * For all other types, causes an assertion failure.
182 */ 184 */
183 int columns() const { 185 int columns() const {
184 ASSERT(fTypeKind == kScalar_Kind || fTypeKind == kVector_Kind || 186 ASSERT(fTypeKind == kScalar_Kind || fTypeKind == kVector_Kind ||
185 fTypeKind == kMatrix_Kind || fTypeKind == kArray_Kind); 187 fTypeKind == kMatrix_Kind || fTypeKind == kArray_Kind);
186 return fColumns; 188 return fColumns;
187 } 189 }
188 190
189 /** 191 /**
190 * For matrices, returns the number of rows (e.g. mat2x4 returns 4). For vec tors and scalars, 192 * For matrices, returns the number of rows (e.g. mat2x4 returns 4). For vec tors and scalars,
191 * returns 1. For all other types, causes an assertion failure. 193 * returns 1. For all other types, causes an assertion failure.
192 */ 194 */
193 int rows() const { 195 int rows() const {
194 ASSERT(fRows > 0); 196 ASSERT(fRows > 0);
195 return fRows; 197 return fRows;
196 } 198 }
197 199
198 std::vector<Field> fields() const { 200 const std::vector<Field>& fields() const {
199 ASSERT(fTypeKind == kStruct_Kind); 201 ASSERT(fTypeKind == kStruct_Kind);
200 return fFields; 202 return fFields;
201 } 203 }
202 204
203 /** 205 /**
204 * For generic types, returns the types that this generic type can substitut e for. For other 206 * For generic types, returns the types that this generic type can substitut e for. For other
205 * types, returns a list of other types that this type can be coerced into. 207 * types, returns a list of other types that this type can be coerced into.
206 */ 208 */
207 std::vector<std::shared_ptr<Type>> coercibleTypes() const { 209 const std::vector<const Type*>& coercibleTypes() const {
208 ASSERT(fCoercibleTypes.size() > 0); 210 ASSERT(fCoercibleTypes.size() > 0);
209 return fCoercibleTypes; 211 return fCoercibleTypes;
210 } 212 }
211 213
212 int dimensions() const { 214 int dimensions() const {
213 ASSERT(fTypeKind == kSampler_Kind); 215 ASSERT(fTypeKind == kSampler_Kind);
214 return fDimensions; 216 return fDimensions;
215 } 217 }
216 218
217 bool isDepth() const { 219 bool isDepth() const {
(...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after
250 case kVector_Kind: 252 case kVector_Kind:
251 return vector_alignment(fComponentType->size(), fColumns); 253 return vector_alignment(fComponentType->size(), fColumns);
252 case kMatrix_Kind: 254 case kMatrix_Kind:
253 return (vector_alignment(fComponentType->size(), fRows) + 15) & ~15; 255 return (vector_alignment(fComponentType->size(), fRows) + 15) & ~15;
254 case kArray_Kind: 256 case kArray_Kind:
255 // round up to next multiple of 16 257 // round up to next multiple of 16
256 return (fComponentType->alignment() + 15) & ~15; 258 return (fComponentType->alignment() + 15) & ~15;
257 case kStruct_Kind: { 259 case kStruct_Kind: {
258 size_t result = 16; 260 size_t result = 16;
259 for (size_t i = 0; i < fFields.size(); i++) { 261 for (size_t i = 0; i < fFields.size(); i++) {
260 size_t alignment = fFields[i].fType->alignment(); 262 size_t alignment = fFields[i].fType.alignment();
261 if (alignment > result) { 263 if (alignment > result) {
262 result = alignment; 264 result = alignment;
263 } 265 }
264 } 266 }
265 } 267 }
266 default: 268 default:
267 ABORT(("cannot determine size of type " + fName).c_str()); 269 ABORT(("cannot determine size of type " + fName).c_str());
268 } 270 }
269 } 271 }
270 272
(...skipping 22 matching lines...) Expand all
293 return 4; 295 return 4;
294 case kVector_Kind: 296 case kVector_Kind:
295 return fColumns * fComponentType->size(); 297 return fColumns * fComponentType->size();
296 case kMatrix_Kind: 298 case kMatrix_Kind:
297 return vector_alignment(fComponentType->size(), fRows) * fColumn s; 299 return vector_alignment(fComponentType->size(), fRows) * fColumn s;
298 case kArray_Kind: 300 case kArray_Kind:
299 return fColumns * this->stride(); 301 return fColumns * this->stride();
300 case kStruct_Kind: { 302 case kStruct_Kind: {
301 size_t total = 0; 303 size_t total = 0;
302 for (size_t i = 0; i < fFields.size(); i++) { 304 for (size_t i = 0; i < fFields.size(); i++) {
303 size_t alignment = fFields[i].fType->alignment(); 305 size_t alignment = fFields[i].fType.alignment();
304 if (total % alignment != 0) { 306 if (total % alignment != 0) {
305 total += alignment - total % alignment; 307 total += alignment - total % alignment;
306 } 308 }
307 ASSERT(false); 309 ASSERT(false);
308 ASSERT(total % alignment == 0); 310 ASSERT(total % alignment == 0);
309 total += fFields[i].fType->size(); 311 total += fFields[i].fType.size();
310 } 312 }
311 return total; 313 return total;
312 } 314 }
313 default: 315 default:
314 ABORT(("cannot determine size of type " + fName).c_str()); 316 ABORT(("cannot determine size of type " + fName).c_str());
315 } 317 }
316 } 318 }
317 319
318 /** 320 /**
319 * Returns the corresponding vector or matrix type with the specified number of columns and 321 * Returns the corresponding vector or matrix type with the specified number of columns and
320 * rows. 322 * rows.
321 */ 323 */
322 std::shared_ptr<Type> toCompound(int columns, int rows); 324 const Type& toCompound(const Context& context, int columns, int rows) const;
323 325
324 private: 326 private:
325 typedef Symbol INHERITED; 327 typedef Symbol INHERITED;
326 328
327 const Kind fTypeKind; 329 const Kind fTypeKind;
328 const bool fIsNumber = false; 330 const bool fIsNumber = false;
329 const std::shared_ptr<Type> fComponentType = nullptr; 331 const Type* fComponentType = nullptr;
330 const std::vector<std::shared_ptr<Type>> fCoercibleTypes = { }; 332 const std::vector<const Type*> fCoercibleTypes = { };
331 const int fColumns = -1; 333 const int fColumns = -1;
332 const int fRows = -1; 334 const int fRows = -1;
333 const std::vector<Field> fFields = { }; 335 const std::vector<Field> fFields = { };
334 const SpvDim_ fDimensions = SpvDim1D; 336 const SpvDim_ fDimensions = SpvDim1D;
335 const bool fIsDepth = false; 337 const bool fIsDepth = false;
336 const bool fIsArrayed = false; 338 const bool fIsArrayed = false;
337 const bool fIsMultisampled = false; 339 const bool fIsMultisampled = false;
338 const bool fIsSampled = false; 340 const bool fIsSampled = false;
339 }; 341 };
340 342
341 extern const std::shared_ptr<Type> kVoid_Type;
342
343 extern const std::shared_ptr<Type> kFloat_Type;
344 extern const std::shared_ptr<Type> kVec2_Type;
345 extern const std::shared_ptr<Type> kVec3_Type;
346 extern const std::shared_ptr<Type> kVec4_Type;
347 extern const std::shared_ptr<Type> kDouble_Type;
348 extern const std::shared_ptr<Type> kDVec2_Type;
349 extern const std::shared_ptr<Type> kDVec3_Type;
350 extern const std::shared_ptr<Type> kDVec4_Type;
351 extern const std::shared_ptr<Type> kInt_Type;
352 extern const std::shared_ptr<Type> kIVec2_Type;
353 extern const std::shared_ptr<Type> kIVec3_Type;
354 extern const std::shared_ptr<Type> kIVec4_Type;
355 extern const std::shared_ptr<Type> kUInt_Type;
356 extern const std::shared_ptr<Type> kUVec2_Type;
357 extern const std::shared_ptr<Type> kUVec3_Type;
358 extern const std::shared_ptr<Type> kUVec4_Type;
359 extern const std::shared_ptr<Type> kBool_Type;
360 extern const std::shared_ptr<Type> kBVec2_Type;
361 extern const std::shared_ptr<Type> kBVec3_Type;
362 extern const std::shared_ptr<Type> kBVec4_Type;
363
364 extern const std::shared_ptr<Type> kMat2x2_Type;
365 extern const std::shared_ptr<Type> kMat2x3_Type;
366 extern const std::shared_ptr<Type> kMat2x4_Type;
367 extern const std::shared_ptr<Type> kMat3x2_Type;
368 extern const std::shared_ptr<Type> kMat3x3_Type;
369 extern const std::shared_ptr<Type> kMat3x4_Type;
370 extern const std::shared_ptr<Type> kMat4x2_Type;
371 extern const std::shared_ptr<Type> kMat4x3_Type;
372 extern const std::shared_ptr<Type> kMat4x4_Type;
373
374 extern const std::shared_ptr<Type> kDMat2x2_Type;
375 extern const std::shared_ptr<Type> kDMat2x3_Type;
376 extern const std::shared_ptr<Type> kDMat2x4_Type;
377 extern const std::shared_ptr<Type> kDMat3x2_Type;
378 extern const std::shared_ptr<Type> kDMat3x3_Type;
379 extern const std::shared_ptr<Type> kDMat3x4_Type;
380 extern const std::shared_ptr<Type> kDMat4x2_Type;
381 extern const std::shared_ptr<Type> kDMat4x3_Type;
382 extern const std::shared_ptr<Type> kDMat4x4_Type;
383
384 extern const std::shared_ptr<Type> kSampler1D_Type;
385 extern const std::shared_ptr<Type> kSampler2D_Type;
386 extern const std::shared_ptr<Type> kSampler3D_Type;
387 extern const std::shared_ptr<Type> kSamplerCube_Type;
388 extern const std::shared_ptr<Type> kSampler2DRect_Type;
389 extern const std::shared_ptr<Type> kSampler1DArray_Type;
390 extern const std::shared_ptr<Type> kSampler2DArray_Type;
391 extern const std::shared_ptr<Type> kSamplerCubeArray_Type;
392 extern const std::shared_ptr<Type> kSamplerBuffer_Type;
393 extern const std::shared_ptr<Type> kSampler2DMS_Type;
394 extern const std::shared_ptr<Type> kSampler2DMSArray_Type;
395
396 extern const std::shared_ptr<Type> kGSampler1D_Type;
397 extern const std::shared_ptr<Type> kGSampler2D_Type;
398 extern const std::shared_ptr<Type> kGSampler3D_Type;
399 extern const std::shared_ptr<Type> kGSamplerCube_Type;
400 extern const std::shared_ptr<Type> kGSampler2DRect_Type;
401 extern const std::shared_ptr<Type> kGSampler1DArray_Type;
402 extern const std::shared_ptr<Type> kGSampler2DArray_Type;
403 extern const std::shared_ptr<Type> kGSamplerCubeArray_Type;
404 extern const std::shared_ptr<Type> kGSamplerBuffer_Type;
405 extern const std::shared_ptr<Type> kGSampler2DMS_Type;
406 extern const std::shared_ptr<Type> kGSampler2DMSArray_Type;
407
408 extern const std::shared_ptr<Type> kSampler1DShadow_Type;
409 extern const std::shared_ptr<Type> kSampler2DShadow_Type;
410 extern const std::shared_ptr<Type> kSamplerCubeShadow_Type;
411 extern const std::shared_ptr<Type> kSampler2DRectShadow_Type;
412 extern const std::shared_ptr<Type> kSampler1DArrayShadow_Type;
413 extern const std::shared_ptr<Type> kSampler2DArrayShadow_Type;
414 extern const std::shared_ptr<Type> kSamplerCubeArrayShadow_Type;
415 extern const std::shared_ptr<Type> kGSampler2DArrayShadow_Type;
416 extern const std::shared_ptr<Type> kGSamplerCubeArrayShadow_Type;
417
418 extern const std::shared_ptr<Type> kGenType_Type;
419 extern const std::shared_ptr<Type> kGenDType_Type;
420 extern const std::shared_ptr<Type> kGenIType_Type;
421 extern const std::shared_ptr<Type> kGenUType_Type;
422 extern const std::shared_ptr<Type> kGenBType_Type;
423 extern const std::shared_ptr<Type> kMat_Type;
424 extern const std::shared_ptr<Type> kVec_Type;
425 extern const std::shared_ptr<Type> kGVec_Type;
426 extern const std::shared_ptr<Type> kGVec2_Type;
427 extern const std::shared_ptr<Type> kGVec3_Type;
428 extern const std::shared_ptr<Type> kGVec4_Type;
429 extern const std::shared_ptr<Type> kDVec_Type;
430 extern const std::shared_ptr<Type> kIVec_Type;
431 extern const std::shared_ptr<Type> kUVec_Type;
432 extern const std::shared_ptr<Type> kBVec_Type;
433
434 extern const std::shared_ptr<Type> kInvalid_Type;
435
436 } // namespace 343 } // namespace
437 344
438 #endif 345 #endif
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