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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_UTIL
#define SKSL_UTIL
#include "stdlib.h"
#include "assert.h"
#include "SkOpts.h"
#include "SkRefCnt.h"
#include "SkStream.h"
#include "SkString.h"
#include "SkTypes.h"
#include "GrContextOptions.h"
#include "GrShaderCaps.h"
namespace SkSL {
// Various sets of caps for use in tests
class ShaderCapsFactory {
public:
static sk_sp<GrShaderCaps> Default() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 400";
result->fShaderDerivativeSupport = true;
return result;
}
static sk_sp<GrShaderCaps> Version450Core() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 450 core";
return result;
}
static sk_sp<GrShaderCaps> Version110() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 110";
result->fGLSLGeneration = GrGLSLGeneration::k110_GrGLSLGeneration;
return result;
}
static sk_sp<GrShaderCaps> UsesPrecisionModifiers() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 400";
result->fUsesPrecisionModifiers = true;
return result;
}
static sk_sp<GrShaderCaps> CannotUseMinAndAbsTogether() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 400";
result->fCanUseMinAndAbsTogether = false;
return result;
}
static sk_sp<GrShaderCaps> MustForceNegatedAtanParamToFloat() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 400";
result->fMustForceNegatedAtanParamToFloat = true;
return result;
}
static sk_sp<GrShaderCaps> ShaderDerivativeExtensionString() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 400";
result->fShaderDerivativeSupport = true;
result->fShaderDerivativeExtensionString = "GL_OES_standard_derivatives";
return result;
}
static sk_sp<GrShaderCaps> FragCoordsOld() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 110";
result->fGLSLGeneration = GrGLSLGeneration::k110_GrGLSLGeneration;
result->fFragCoordConventionsExtensionString = "GL_ARB_fragment_coord_conventions";
return result;
}
static sk_sp<GrShaderCaps> FragCoordsNew() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 400";
result->fFragCoordConventionsExtensionString = "GL_ARB_fragment_coord_conventions";
return result;
}
static sk_sp<GrShaderCaps> VariousCaps() {
sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
result->fVersionDeclString = "#version 400";
result->fExternalTextureSupport = true;
result->fFBFetchSupport = false;
result->fDropsTileOnZeroDivide = true;
result->fTexelFetchSupport = true;
result->fCanUseAnyFunctionInShader = false;
return result;
}
};
void write_data(const SkData& d, SkWStream& out);
SkString operator+(const SkString& s, const char* c);
SkString operator+(const char* c, const SkString& s);
SkString operator+(const SkString& s1, const SkString& s2);
bool operator==(const SkString& s1, const char* s2);
bool operator!=(const SkString& s1, const char* s2);
bool operator!=(const char* s1, const SkString& s2);
SkString to_string(double value);
SkString to_string(int32_t value);
SkString to_string(uint32_t value);
SkString to_string(int64_t value);
SkString to_string(uint64_t value);
#if _MSC_VER
#define NORETURN __declspec(noreturn)
#else
#define NORETURN __attribute__((__noreturn__))
#endif
int stoi(SkString s);
double stod(SkString s);
long stol(SkString s);
NORETURN void sksl_abort();
} // namespace
#define ASSERT(x) SkASSERT(x)
#define ASSERT_RESULT(x) SkAssertResult(x);
#ifdef SKIA
#define ABORT(...) { SkDebugf(__VA_ARGS__); sksl_abort(); }
#else
#define ABORT(...) { sksl_abort(); }
#endif
namespace std {
template<> struct hash<SkString> {
size_t operator()(const SkString& s) const {
return SkOpts::hash_fn(s.c_str(), s.size(), 0);
}
};
}
#endif
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