KisOpenGLBufferCreationGuard Struct Reference

#include <KisOpenGLBufferCreationGuard.h>

Public Member Functions
quint8 *	data ()
	KisOpenGLBufferCreationGuard (QOpenGLBuffer *buffer, int size, QOpenGLBuffer::UsagePattern usagePattern)
	~KisOpenGLBufferCreationGuard ()

Private Attributes
QOpenGLBuffer *	m_buffer
bool	m_bufferIsMapped = false
quint8 *	m_bufferPtr = 0

Detailed Description

Definition at line 13 of file KisOpenGLBufferCreationGuard.h.

Constructor & Destructor Documentation

KisOpenGLBufferCreationGuard()

KisOpenGLBufferCreationGuard::KisOpenGLBufferCreationGuard	(	QOpenGLBuffer *	buffer,
		int	size,
		QOpenGLBuffer::UsagePattern	usagePattern )

Definition at line 13 of file KisOpenGLBufferCreationGuard.cpp.

{
    m_buffer = buffer;
 
    m_buffer->create();
    m_buffer->setUsagePattern(usagePattern);
    m_buffer->bind();
    m_buffer->allocate(size);
 
    if (KisOpenGL::supportsBufferMapping()) {
        m_bufferPtr = reinterpret_cast<quint8*>(m_buffer->map(QOpenGLBuffer::WriteOnly));
        m_bufferIsMapped = true;
    }
 
    if (!m_bufferPtr) {
        m_bufferPtr = new quint8[size];
    }
}

References m_buffer, m_bufferIsMapped, m_bufferPtr, and KisOpenGL::supportsBufferMapping().

~KisOpenGLBufferCreationGuard()

KisOpenGLBufferCreationGuard::~KisOpenGLBufferCreationGuard

(

)

Definition at line 32 of file KisOpenGLBufferCreationGuard.cpp.

{
    if (m_bufferIsMapped) {
        m_buffer->unmap();
    } else {
        m_buffer->write(0, m_bufferPtr, m_buffer->size());
        delete[] m_bufferPtr;
    }
    m_buffer->release();
}

References m_buffer, m_bufferIsMapped, and m_bufferPtr.

Member Function Documentation

data()

quint8 * KisOpenGLBufferCreationGuard::data ( )

inline

Definition at line 17 of file KisOpenGLBufferCreationGuard.h.

                          {
        return m_bufferPtr;
    }

References m_bufferPtr.

Member Data Documentation

m_buffer

QOpenGLBuffer* KisOpenGLBufferCreationGuard::m_buffer

private

Definition at line 22 of file KisOpenGLBufferCreationGuard.h.

m_bufferIsMapped

bool KisOpenGLBufferCreationGuard::m_bufferIsMapped = false

private

Definition at line 24 of file KisOpenGLBufferCreationGuard.h.

m_bufferPtr

quint8* KisOpenGLBufferCreationGuard::m_bufferPtr = 0

private

Definition at line 23 of file KisOpenGLBufferCreationGuard.h.

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The documentation for this struct was generated from the following files:

• libs/ui/opengl/KisOpenGLBufferCreationGuard.h
• libs/ui/opengl/KisOpenGLBufferCreationGuard.cpp