1 /*
2 * Copyright 2017 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_CPP
9 #define SKSL_CPP
10
11 // functions used by CPP programs created by skslc
12
13 #include <cmath>
14 #include "SkPoint.h"
15
16 using std::abs;
17
18 struct Float4 {
Float4Float419 Float4(float x, float y, float z, float w)
20 : fX(x)
21 , fY(y)
22 , fZ(z)
23 , fW(w) {}
24
SkRectFloat425 operator SkRect() const {
26 return SkRect::MakeLTRB(fX, fY, fZ, fW);
27 }
28
29 private:
30 float fX;
31 float fY;
32 float fZ;
33 float fW;
34 };
35
36 // macros to make sk_Caps.<cap name> work from C++ code
37 #define sk_Caps (*args.fShaderCaps)
38
39 #define floatIs32Bits floatIs32Bits()
40
41 // functions to make GLSL constructors work from C++ code
float2(float xy)42 inline SkPoint float2(float xy) { return SkPoint::Make(xy, xy); }
43
float2(float x,float y)44 inline SkPoint float2(float x, float y) { return SkPoint::Make(x, y); }
45
float4(float xyzw)46 inline Float4 float4(float xyzw) { return Float4(xyzw, xyzw, xyzw, xyzw); }
47
float4(float x,float y,float z,float w)48 inline Float4 float4(float x, float y, float z, float w) { return Float4(x, y, z, w); }
49
50 #define half2 float2
51
52 #define half3 float3
53
54 #define half4 float4
55
56 #endif
57