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39
40#ifndef QT3DRENDER_RENDER_OPENGL_GLBUFFER_P_H
41#define QT3DRENDER_RENDER_OPENGL_GLBUFFER_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QOpenGLContext>
55#include <Qt3DCore/qnodeid.h>
56#include <qbytearray.h>
57
58QT_BEGIN_NAMESPACE
59
60namespace Qt3DRender {
61
62namespace Render {
63
64namespace OpenGL {
65
66class GraphicsContext;
67
68class GLBuffer
69{
70public:
71 GLBuffer();
72
73 enum Type
74 {
75 ArrayBuffer = 0,
76 UniformBuffer,
77 IndexBuffer,
78 ShaderStorageBuffer,
79 PixelPackBuffer,
80 PixelUnpackBuffer,
81 DrawIndirectBuffer
82 };
83
84 bool bind(GraphicsContext *ctx, Type t);
85 bool release(GraphicsContext *ctx);
86 bool create(GraphicsContext *ctx);
87 void destroy(GraphicsContext *ctx);
88 void allocate(GraphicsContext *ctx, uint size, bool dynamic = true);
89 void allocate(GraphicsContext *ctx, const void *data, uint size, bool dynamic = true);
90 void update(GraphicsContext *ctx, const void *data, uint size, int offset = 0);
91 QByteArray download(GraphicsContext *ctx, uint size);
92 void bindBufferBase(GraphicsContext *ctx, int bindingPoint, Type t);
93 void bindBufferBase(GraphicsContext *ctx, int bindingPoint);
94
95 inline GLuint bufferId() const { return m_bufferId; }
96 inline bool isCreated() const { return m_isCreated; }
97 inline bool isBound() const { return m_bound; }
98
99private:
100 GLuint m_bufferId;
101 bool m_isCreated;
102 bool m_bound;
103 GLenum m_lastTarget;
104};
105
106} // namespace OpenGL
107
108} // namespace Render
109
110} // namespace Qt3DRender
111
112QT_END_NAMESPACE
113
114#endif // QT3DRENDER_RENDER_OPENGL_GLBUFFER_P_H
115

source code of qt3d/src/plugins/renderers/opengl/io/glbuffer_p.h