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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrContextFactory_DEFINED
#define GrContextFactory_DEFINED
#include "GrContext.h"
#include "GrContextOptions.h"
#include "gl/GLTestContext.h"
#include "SkTArray.h"
namespace sk_gpu_test {
/**
* This is a simple class that is useful in test apps that use different
* GrContexts backed by different types of GL contexts. It manages creating the
* GL context and a GrContext that uses it. The GL/Gr contexts persist until the
* factory is destroyed (though the caller can always grab a ref on the returned
* Gr and GL contexts to make them outlive the factory).
*/
class GrContextFactory : SkNoncopyable {
public:
enum GLContextType {
kNative_GLContextType, //! OpenGL or OpenGL ES context.
kGL_GLContextType, //! OpenGL context.
kGLES_GLContextType, //! OpenGL ES context.
#if SK_ANGLE
#ifdef SK_BUILD_FOR_WIN
kANGLE_GLContextType, //! ANGLE on DirectX OpenGL ES context.
#endif
kANGLE_GL_GLContextType, //! ANGLE on OpenGL OpenGL ES context.
#endif
#if SK_COMMAND_BUFFER
kCommandBuffer_GLContextType, //! Chromium command buffer OpenGL ES context.
#endif
#if SK_MESA
kMESA_GLContextType, //! MESA OpenGL context
#endif
kNull_GLContextType, //! Non-rendering OpenGL mock context.
kDebug_GLContextType, //! Non-rendering, state verifying OpenGL context.
kLastGLContextType = kDebug_GLContextType
};
static const int kGLContextTypeCnt = kLastGLContextType + 1;
/**
* Options for GL context creation. For historical and testing reasons the options will default
* to not using GL_NV_path_rendering extension even when the driver supports it.
*/
enum GLContextOptions {
kNone_GLContextOptions = 0,
kEnableNVPR_GLContextOptions = 0x1,
kRequireSRGBSupport_GLContextOptions = 0x2,
};
static bool IsRenderingGLContext(GLContextType type) {
switch (type) {
case kNull_GLContextType:
case kDebug_GLContextType:
return false;
default:
return true;
}
}
static const char* GLContextTypeName(GLContextType type) {
switch (type) {
case kNative_GLContextType:
return "native";
case kGL_GLContextType:
return "gl";
case kGLES_GLContextType:
return "gles";
#if SK_ANGLE
#ifdef SK_BUILD_FOR_WIN
case kANGLE_GLContextType:
return "angle";
#endif
case kANGLE_GL_GLContextType:
return "angle-gl";
#endif
#if SK_COMMAND_BUFFER
case kCommandBuffer_GLContextType:
return "commandbuffer";
#endif
#if SK_MESA
case kMESA_GLContextType:
return "mesa";
#endif
case kNull_GLContextType:
return "null";
case kDebug_GLContextType:
return "debug";
default:
SkFAIL("Unknown GL Context type.");
}
}
explicit GrContextFactory(const GrContextOptions& opts);
GrContextFactory();
~GrContextFactory();
void destroyContexts();
void abandonContexts();
void releaseResourcesAndAbandonContexts();
struct ContextInfo {
ContextInfo()
: fGrContext(nullptr), fGLContext(nullptr) { }
ContextInfo(GrContext* grContext, GLTestContext* glContext)
: fGrContext(grContext), fGLContext(glContext) { }
GrContext* fGrContext;
GLTestContext* fGLContext; //! Valid until the factory destroys it via abandonContexts() or
//! destroyContexts().
};
/**
* Get a context initialized with a type of GL context. It also makes the GL context current.
*/
ContextInfo getContextInfo(GLContextType type,
GLContextOptions options = kNone_GLContextOptions);
/**
* Get a GrContext initialized with a type of GL context. It also makes the GL context current.
*/
GrContext* get(GLContextType type,
GLContextOptions options = kNone_GLContextOptions) {
return this->getContextInfo(type, options).fGrContext;
}
const GrContextOptions& getGlobalOptions() const { return fGlobalOptions; }
private:
struct Context {
GLContextType fType;
GLContextOptions fOptions;
GLTestContext* fGLContext;
GrContext* fGrContext;
};
SkTArray<Context, true> fContexts;
const GrContextOptions fGlobalOptions;
};
} // namespace sk_gpu_test
#endif
|
