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One less copy when copying GPU Frame Buffer to RDRAM

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This commit is contained in:
Francisco Zurita 2016-06-02 23:02:03 -04:00
parent db8d8bee30
commit 356d1e291b
1 changed files with 8 additions and 6 deletions
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14
src/BufferCopy/ColorBufferToRDRAMAndroid.cpp
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@ -79,16 +79,18 @@ GLubyte* ColorBufferToRDRAMAndroid::_getPixels(GLint _x0, GLint _y0, GLsizei _wi
glBindTexture(GL_TEXTURE_2D, m_pTexture->glName);
m_glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_image);
glBindTexture(GL_TEXTURE_2D, 0);
m_window->lock(GraphicBuffer::USAGE_SW_READ_OFTEN, &ptr);
memcpy(pixelData, ptr, m_pTexture->realWidth * m_pTexture->realHeight * colorFormatBytes);
m_window->unlock();
int widthBytes = _width*colorFormatBytes;
int strideBytes = m_pTexture->realWidth * colorFormatBytes;
m_window->lock(GraphicBuffer::USAGE_SW_READ_OFTEN, &ptr);
for (unsigned int lnIndex = 0; lnIndex < _height; ++lnIndex) {
memmove(pixelData + lnIndex*widthBytes, pixelData + ((lnIndex + _y0)*strideBytes), widthBytes);
memcpy(pixelData + lnIndex*widthBytes, reinterpret_cast<char*>(ptr) + ((lnIndex + _y0)*strideBytes), widthBytes);
}
m_window->unlock();
} else {
glReadPixels(_x0, _y0, _width, _height, colorFormat, colorType, pixelData);
}