1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_CPP
#define SKSL_CPP
// functions used by CPP programs created by skslc
#include <cmath>
#include "SkPoint.h"
using std::abs;
struct Float4 {
Float4(float x, float y, float z, float w)
: fX(x)
, fY(y)
, fZ(z)
, fW(w) {}
operator SkRect() const {
return SkRect::MakeLTRB(fX, fY, fZ, fW);
}
operator GrColor4f() const {
return GrColor4f(fX, fY, fZ, fW);
}
private:
float fX;
float fY;
float fZ;
float fW;
};
// macros to make sk_Caps.<cap name> work from C++ code
#define sk_Caps (*args.fShaderCaps)
#define floatIs32Bits floatIs32Bits()
// functions to make GLSL constructors work from C++ code
inline SkPoint float2(float xy) { return SkPoint::Make(xy, xy); }
inline SkPoint float2(float x, float y) { return SkPoint::Make(x, y); }
inline Float4 float4(float xyzw) { return Float4(xyzw, xyzw, xyzw, xyzw); }
inline Float4 float4(float x, float y, float z, float w) { return Float4(x, y, z, w); }
#define half2 float2
#define half3 float3
#define half4 float4
#endif
|
