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
|
//
// Copyright (c) 2010-2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
#ifndef LIBANGLE_UNIFORM_H_
#define LIBANGLE_UNIFORM_H_
#include <string>
#include <vector>
#include "angle_gl.h"
#include "common/debug.h"
#include "common/MemoryBuffer.h"
#include "compiler/translator/blocklayout.h"
#include "libANGLE/angletypes.h"
namespace gl
{
struct UniformTypeInfo;
struct StaticallyUsed
{
StaticallyUsed();
StaticallyUsed(const StaticallyUsed &rhs);
virtual ~StaticallyUsed();
StaticallyUsed &operator=(const StaticallyUsed &rhs);
void setStaticUse(GLenum shaderType, bool used);
void unionReferencesWith(const StaticallyUsed &other);
bool vertexStaticUse;
bool fragmentStaticUse;
bool computeStaticUse;
};
// Helper struct representing a single shader uniform
struct LinkedUniform : public sh::Uniform, public StaticallyUsed
{
LinkedUniform();
LinkedUniform(GLenum type,
GLenum precision,
const std::string &name,
const std::vector<unsigned int> &arraySizes,
const int binding,
const int offset,
const int location,
const int bufferIndex,
const sh::BlockMemberInfo &blockInfo);
LinkedUniform(const sh::Uniform &uniform);
LinkedUniform(const LinkedUniform &uniform);
LinkedUniform &operator=(const LinkedUniform &uniform);
~LinkedUniform() override;
bool isSampler() const;
bool isImage() const;
bool isAtomicCounter() const;
bool isInDefaultBlock() const;
bool isField() const;
size_t getElementSize() const;
size_t getElementComponents() const;
const UniformTypeInfo *typeInfo;
// Identifies the containing buffer backed resource -- interface block or atomic counter buffer.
int bufferIndex;
sh::BlockMemberInfo blockInfo;
};
struct BufferVariable : public sh::ShaderVariable, public StaticallyUsed
{
BufferVariable();
BufferVariable(GLenum type,
GLenum precision,
const std::string &name,
const std::vector<unsigned int> &arraySizes,
const int bufferIndex,
const sh::BlockMemberInfo &blockInfo);
~BufferVariable() override;
int bufferIndex;
sh::BlockMemberInfo blockInfo;
int topLevelArraySize;
};
// Parent struct for atomic counter, uniform block, and shader storage block buffer, which all
// contain a group of shader variables, and have a GL buffer backed.
struct ShaderVariableBuffer : public StaticallyUsed
{
ShaderVariableBuffer();
ShaderVariableBuffer(const ShaderVariableBuffer &other);
~ShaderVariableBuffer() override;
int numActiveVariables() const;
int binding;
unsigned int dataSize;
std::vector<unsigned int> memberIndexes;
};
using AtomicCounterBuffer = ShaderVariableBuffer;
// Helper struct representing a single shader interface block
struct InterfaceBlock : public ShaderVariableBuffer
{
InterfaceBlock();
InterfaceBlock(const std::string &nameIn,
const std::string &mappedNameIn,
bool isArrayIn,
unsigned int arrayElementIn,
int bindingIn);
std::string nameWithArrayIndex() const;
std::string mappedNameWithArrayIndex() const;
std::string name;
std::string mappedName;
bool isArray;
unsigned int arrayElement;
};
}
#endif // LIBANGLE_UNIFORM_H_
|
