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_UTIL 9 #define SKSL_UTIL 10 11 #include "stdlib.h" 12 #include "assert.h" 13 #include "SkOpts.h" 14 #include "SkRefCnt.h" 15 #include "SkStream.h" 16 #include "SkString.h" 17 #include "SkTypes.h" 18 #include "GrContextOptions.h" 19 #include "GrShaderCaps.h" 20 21 namespace SkSL { 22 23 // Various sets of caps for use in tests 24 class ShaderCapsFactory { 25 public: Default()26 static sk_sp<GrShaderCaps> Default() { 27 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 28 result->fVersionDeclString = "#version 400"; 29 result->fShaderDerivativeSupport = true; 30 return result; 31 } 32 Version450Core()33 static sk_sp<GrShaderCaps> Version450Core() { 34 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 35 result->fVersionDeclString = "#version 450 core"; 36 return result; 37 } 38 Version110()39 static sk_sp<GrShaderCaps> Version110() { 40 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 41 result->fVersionDeclString = "#version 110"; 42 result->fGLSLGeneration = GrGLSLGeneration::k110_GrGLSLGeneration; 43 return result; 44 } 45 UsesPrecisionModifiers()46 static sk_sp<GrShaderCaps> UsesPrecisionModifiers() { 47 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 48 result->fVersionDeclString = "#version 400"; 49 result->fUsesPrecisionModifiers = true; 50 return result; 51 } 52 CannotUseMinAndAbsTogether()53 static sk_sp<GrShaderCaps> CannotUseMinAndAbsTogether() { 54 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 55 result->fVersionDeclString = "#version 400"; 56 result->fCanUseMinAndAbsTogether = false; 57 return result; 58 } 59 MustForceNegatedAtanParamToFloat()60 static sk_sp<GrShaderCaps> MustForceNegatedAtanParamToFloat() { 61 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 62 result->fVersionDeclString = "#version 400"; 63 result->fMustForceNegatedAtanParamToFloat = true; 64 return result; 65 } 66 ShaderDerivativeExtensionString()67 static sk_sp<GrShaderCaps> ShaderDerivativeExtensionString() { 68 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 69 result->fVersionDeclString = "#version 400"; 70 result->fShaderDerivativeSupport = true; 71 result->fShaderDerivativeExtensionString = "GL_OES_standard_derivatives"; 72 return result; 73 } 74 FragCoordsOld()75 static sk_sp<GrShaderCaps> FragCoordsOld() { 76 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 77 result->fVersionDeclString = "#version 110"; 78 result->fGLSLGeneration = GrGLSLGeneration::k110_GrGLSLGeneration; 79 result->fFragCoordConventionsExtensionString = "GL_ARB_fragment_coord_conventions"; 80 return result; 81 } 82 FragCoordsNew()83 static sk_sp<GrShaderCaps> FragCoordsNew() { 84 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 85 result->fVersionDeclString = "#version 400"; 86 result->fFragCoordConventionsExtensionString = "GL_ARB_fragment_coord_conventions"; 87 return result; 88 } 89 VariousCaps()90 static sk_sp<GrShaderCaps> VariousCaps() { 91 sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions()); 92 result->fVersionDeclString = "#version 400"; 93 result->fExternalTextureSupport = true; 94 result->fFBFetchSupport = false; 95 result->fDropsTileOnZeroDivide = true; 96 result->fTexelFetchSupport = true; 97 result->fCanUseAnyFunctionInShader = false; 98 return result; 99 } 100 }; 101 102 void write_data(const SkData& d, SkWStream& out); 103 104 SkString operator+(const SkString& s, const char* c); 105 106 SkString operator+(const char* c, const SkString& s); 107 108 SkString operator+(const SkString& s1, const SkString& s2); 109 110 bool operator==(const SkString& s1, const char* s2); 111 112 bool operator!=(const SkString& s1, const char* s2); 113 114 bool operator!=(const char* s1, const SkString& s2); 115 116 SkString to_string(double value); 117 118 SkString to_string(int32_t value); 119 120 SkString to_string(uint32_t value); 121 122 SkString to_string(int64_t value); 123 124 SkString to_string(uint64_t value); 125 126 #if _MSC_VER 127 #define NORETURN __declspec(noreturn) 128 #else 129 #define NORETURN __attribute__((__noreturn__)) 130 #endif 131 int stoi(SkString s); 132 133 double stod(SkString s); 134 135 long stol(SkString s); 136 137 NORETURN void sksl_abort(); 138 139 } // namespace 140 141 #define ASSERT(x) SkASSERT(x) 142 #define ASSERT_RESULT(x) SkAssertResult(x); 143 144 #ifdef SKIA 145 #define ABORT(...) { SkDebugf(__VA_ARGS__); sksl_abort(); } 146 #else 147 #define ABORT(...) { sksl_abort(); } 148 #endif 149 150 namespace std { 151 template<> struct hash<SkString> { 152 size_t operator()(const SkString& s) const { 153 return SkOpts::hash_fn(s.c_str(), s.size(), 0); 154 } 155 }; 156 } 157 #endif 158