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
148
149
150
151
152
153
154
|
//
// Copyright (c) 2002-2013 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.
//
// Shader.h: Defines the abstract gl::Shader class and its concrete derived
// classes VertexShader and FragmentShader. Implements GL shader objects and
// related functionality. [OpenGL ES 2.0.24] section 2.10 page 24 and section
// 3.8 page 84.
#ifndef LIBANGLE_SHADER_H_
#define LIBANGLE_SHADER_H_
#include <string>
#include <list>
#include <vector>
#include "angle_gl.h"
#include <GLSLANG/ShaderLang.h>
#include "common/angleutils.h"
#include "libANGLE/angletypes.h"
#include "libANGLE/Debug.h"
namespace rx
{
class GLImplFactory;
class ShaderImpl;
class ShaderSh;
}
namespace gl
{
class Compiler;
class ContextState;
struct Limitations;
class ResourceManager;
class Context;
class ShaderState final : angle::NonCopyable
{
public:
ShaderState(GLenum shaderType);
~ShaderState();
const std::string &getLabel() const { return mLabel; }
const std::string &getSource() const { return mSource; }
const std::string &getTranslatedSource() const { return mTranslatedSource; }
GLenum getShaderType() const { return mShaderType; }
int getShaderVersion() const { return mShaderVersion; }
const std::vector<sh::Varying> &getVaryings() const { return mVaryings; }
const std::vector<sh::Uniform> &getUniforms() const { return mUniforms; }
const std::vector<sh::InterfaceBlock> &getInterfaceBlocks() const { return mInterfaceBlocks; }
const std::vector<sh::Attribute> &getActiveAttributes() const { return mActiveAttributes; }
const std::vector<sh::OutputVariable> &getActiveOutputVariables() const
{
return mActiveOutputVariables;
}
private:
friend class Shader;
std::string mLabel;
GLenum mShaderType;
int mShaderVersion;
std::string mTranslatedSource;
std::string mSource;
sh::WorkGroupSize mLocalSize;
std::vector<sh::Varying> mVaryings;
std::vector<sh::Uniform> mUniforms;
std::vector<sh::InterfaceBlock> mInterfaceBlocks;
std::vector<sh::Attribute> mActiveAttributes;
std::vector<sh::OutputVariable> mActiveOutputVariables;
};
class Shader final : angle::NonCopyable, public LabeledObject
{
public:
Shader(ResourceManager *manager,
rx::GLImplFactory *implFactory,
const gl::Limitations &rendererLimitations,
GLenum type,
GLuint handle);
virtual ~Shader();
void setLabel(const std::string &label) override;
const std::string &getLabel() const override;
GLenum getType() const { return mType; }
GLuint getHandle() const;
rx::ShaderImpl *getImplementation() const { return mImplementation; }
void deleteSource();
void setSource(GLsizei count, const char *const *string, const GLint *length);
int getInfoLogLength() const;
void getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog) const;
int getSourceLength() const;
void getSource(GLsizei bufSize, GLsizei *length, char *buffer) const;
int getTranslatedSourceLength() const;
int getTranslatedSourceWithDebugInfoLength() const;
const std::string &getTranslatedSource() const { return mState.getTranslatedSource(); }
void getTranslatedSource(GLsizei bufSize, GLsizei *length, char *buffer) const;
void getTranslatedSourceWithDebugInfo(GLsizei bufSize, GLsizei *length, char *buffer) const;
void compile(const Context *context);
bool isCompiled() const { return mCompiled; }
void addRef();
void release();
unsigned int getRefCount() const;
bool isFlaggedForDeletion() const;
void flagForDeletion();
int getShaderVersion() const;
const std::vector<sh::Varying> &getVaryings() const;
const std::vector<sh::Uniform> &getUniforms() const;
const std::vector<sh::InterfaceBlock> &getInterfaceBlocks() const;
const std::vector<sh::Attribute> &getActiveAttributes() const;
const std::vector<sh::OutputVariable> &getActiveOutputVariables() const;
int getSemanticIndex(const std::string &attributeName) const;
const sh::WorkGroupSize &getWorkGroupSize() const { return mState.mLocalSize; }
private:
static void getSourceImpl(const std::string &source, GLsizei bufSize, GLsizei *length, char *buffer);
ShaderState mState;
rx::ShaderImpl *mImplementation;
const gl::Limitations &mRendererLimitations;
const GLuint mHandle;
const GLenum mType;
unsigned int mRefCount; // Number of program objects this shader is attached to
bool mDeleteStatus; // Flag to indicate that the shader can be deleted when no longer in use
bool mCompiled; // Indicates if this shader has been successfully compiled
std::string mInfoLog;
ResourceManager *mResourceManager;
};
bool CompareShaderVar(const sh::ShaderVariable &x, const sh::ShaderVariable &y);
}
#endif // LIBANGLE_SHADER_H_
|
