Bullet Collision Detection & Physics Library: btSoftBodySolverVertexBuffer.h Source File

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btSoftBodySolverVertexBuffer.h
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1 /*
2 Bullet Continuous Collision Detection and Physics Library
3 Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
4
5 This software is provided 'as-is', without any express or implied warranty.
6 In no event will the authors be held liable for any damages arising from the use of this software.
7 Permission is granted to anyone to use this software for any purpose,
8 including commercial applications, and to alter it and redistribute it freely,
9 subject to the following restrictions:
10
11 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
12 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
13 3. This notice may not be removed or altered from any source distribution.
14 */
15
16 #ifndef BT_SOFT_BODY_SOLVER_VERTEX_BUFFER_H
17 #define BT_SOFT_BODY_SOLVER_VERTEX_BUFFER_H
18
19
20 class btVertexBufferDescriptor
21 {
22 public:
23 enum BufferTypes
24 {
25 CPU_BUFFER,
26 DX11_BUFFER,
27 OPENGL_BUFFER
28 };
29
30 protected:
31
32 bool m_hasVertexPositions;
33 bool m_hasNormals;
34
35 int m_vertexOffset;
36 int m_vertexStride;
37
38 int m_normalOffset;
39 int m_normalStride;
40
41 public:
42 btVertexBufferDescriptor()
43 {
44 m_hasVertexPositions = false;
45 m_hasNormals = false;
46 m_vertexOffset = 0;
47 m_vertexStride = 0;
48 m_normalOffset = 0;
49 m_normalStride = 0;
50 }
51
52 virtual ~btVertexBufferDescriptor()
53 {
54
55 }
56
57 virtual bool hasVertexPositions() const
58 {
59 return m_hasVertexPositions;
60 }
61
62 virtual bool hasNormals() const
63 {
64 return m_hasNormals;
65 }
66
70 virtual BufferTypes getBufferType() const = 0;
71
75 virtual int getVertexOffset() const
76 {
77 return m_vertexOffset;
78 }
79
83 virtual int getVertexStride() const
84 {
85 return m_vertexStride;
86 }
87
91 virtual int getNormalOffset() const
92 {
93 return m_normalOffset;
94 }
95
99 virtual int getNormalStride() const
100 {
101 return m_normalStride;
102 }
103 };
104
105
106 class btCPUVertexBufferDescriptor : public btVertexBufferDescriptor
107 {
108 protected:
109 float *m_basePointer;
110
111 public:
117 btCPUVertexBufferDescriptor( float *basePointer, int vertexOffset, int vertexStride )
118 {
119 m_basePointer = basePointer;
120 m_vertexOffset = vertexOffset;
121 m_vertexStride = vertexStride;
122 m_hasVertexPositions = true;
123 }
124
130 btCPUVertexBufferDescriptor( float *basePointer, int vertexOffset, int vertexStride, int normalOffset, int normalStride )
131 {
132 m_basePointer = basePointer;
133
134 m_vertexOffset = vertexOffset;
135 m_vertexStride = vertexStride;
136 m_hasVertexPositions = true;
137
138 m_normalOffset = normalOffset;
139 m_normalStride = normalStride;
140 m_hasNormals = true;
141 }
142
143 virtual ~btCPUVertexBufferDescriptor()
144 {
145
146 }
147
151 virtual BufferTypes getBufferType() const
152 {
153 return CPU_BUFFER;
154 }
155
159 virtual float *getBasePointer() const
160 {
161 return m_basePointer;
162 }
163 };
164
165 #endif // #ifndef BT_SOFT_BODY_SOLVER_VERTEX_BUFFER_H
btVertexBufferDescriptor::DX11_BUFFER
Definition: btSoftBodySolverVertexBuffer.h:26
btVertexBufferDescriptor::hasVertexPositions
virtual bool hasVertexPositions() const
Definition: btSoftBodySolverVertexBuffer.h:57
btVertexBufferDescriptor::OPENGL_BUFFER
Definition: btSoftBodySolverVertexBuffer.h:27
btVertexBufferDescriptor::getBufferType
virtual BufferTypes getBufferType() const =0
Return the type of the vertex buffer descriptor.
btCPUVertexBufferDescriptor::btCPUVertexBufferDescriptor
btCPUVertexBufferDescriptor(float *basePointer, int vertexOffset, int vertexStride, int normalOffset, int normalStride)
vertexBasePointer is pointer to beginning of the buffer.
Definition: btSoftBodySolverVertexBuffer.h:130
btCPUVertexBufferDescriptor::btCPUVertexBufferDescriptor
btCPUVertexBufferDescriptor(float *basePointer, int vertexOffset, int vertexStride)
vertexBasePointer is pointer to beginning of the buffer.
Definition: btSoftBodySolverVertexBuffer.h:117
btVertexBufferDescriptor::m_normalStride
int m_normalStride
Definition: btSoftBodySolverVertexBuffer.h:39
btCPUVertexBufferDescriptor::~btCPUVertexBufferDescriptor
virtual ~btCPUVertexBufferDescriptor()
Definition: btSoftBodySolverVertexBuffer.h:143
btVertexBufferDescriptor::CPU_BUFFER
Definition: btSoftBodySolverVertexBuffer.h:25
btVertexBufferDescriptor::m_normalOffset
int m_normalOffset
Definition: btSoftBodySolverVertexBuffer.h:38
btVertexBufferDescriptor::m_hasVertexPositions
bool m_hasVertexPositions
Definition: btSoftBodySolverVertexBuffer.h:32
btVertexBufferDescriptor::~btVertexBufferDescriptor
virtual ~btVertexBufferDescriptor()
Definition: btSoftBodySolverVertexBuffer.h:52
btVertexBufferDescriptor::getVertexStride
virtual int getVertexStride() const
Return the vertex stride in number of floats between vertices.
Definition: btSoftBodySolverVertexBuffer.h:83
btVertexBufferDescriptor::BufferTypes
BufferTypes
Definition: btSoftBodySolverVertexBuffer.h:23
btVertexBufferDescriptor::btVertexBufferDescriptor
btVertexBufferDescriptor()
Definition: btSoftBodySolverVertexBuffer.h:42
btVertexBufferDescriptor::getVertexOffset
virtual int getVertexOffset() const
Return the vertex offset in floats from the base pointer.
Definition: btSoftBodySolverVertexBuffer.h:75
btVertexBufferDescriptor::getNormalOffset
virtual int getNormalOffset() const
Return the vertex offset in floats from the base pointer.
Definition: btSoftBodySolverVertexBuffer.h:91
btCPUVertexBufferDescriptor::getBufferType
virtual BufferTypes getBufferType() const
Return the type of the vertex buffer descriptor.
Definition: btSoftBodySolverVertexBuffer.h:151
btCPUVertexBufferDescriptor::getBasePointer
virtual float * getBasePointer() const
Return the base pointer in memory to the first vertex.
Definition: btSoftBodySolverVertexBuffer.h:159
btVertexBufferDescriptor::m_hasNormals
bool m_hasNormals
Definition: btSoftBodySolverVertexBuffer.h:33
btVertexBufferDescriptor::m_vertexStride
int m_vertexStride
Definition: btSoftBodySolverVertexBuffer.h:36
btVertexBufferDescriptor::m_vertexOffset
int m_vertexOffset
Definition: btSoftBodySolverVertexBuffer.h:35
btCPUVertexBufferDescriptor::m_basePointer
float * m_basePointer
Definition: btSoftBodySolverVertexBuffer.h:109
btVertexBufferDescriptor::hasNormals
virtual bool hasNormals() const
Definition: btSoftBodySolverVertexBuffer.h:62
btVertexBufferDescriptor::getNormalStride
virtual int getNormalStride() const
Return the vertex stride in number of floats between vertices.
Definition: btSoftBodySolverVertexBuffer.h:99
btCPUVertexBufferDescriptor
Definition: btSoftBodySolverVertexBuffer.h:106
btVertexBufferDescriptor
Definition: btSoftBodySolverVertexBuffer.h:20