bool ColorBufferToRDRAM_GLES::_readPixels(GLint _x0, GLint _y0, GLsizei _width, GLsizei _height, u32 _size, bool _sync)
{
GLenum colorFormat, colorType, colorFormatBytes;
if (_size > G_IM_SIZ_8b) {
colorFormat = fboFormats.colorFormat;
colorType = fboFormats.colorType;
colorFormatBytes = fboFormats.colorFormatBytes;
} else {
colorFormat = fboFormats.monochromeFormat;
colorType = fboFormats.monochromeType;
colorFormatBytes = fboFormats.monochromeFormatBytes;
}
GLubyte* pixelData = m_pixelData.data();
if (!_sync) {
void* ptr;
glBindTexture(GL_TEXTURE_2D, m_pTexture->glName);
m_glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_image);
glBindTexture(GL_TEXTURE_2D, 0);
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) {
memcpy(pixelData + lnIndex*widthBytes, reinterpret_cast<char*>(ptr) + ((lnIndex + _y0)*strideBytes), widthBytes);
}
m_window->unlock();
} else {
glReadPixels(_x0, _y0, _width, _height, colorFormat, colorType, pixelData);
}
return true;
}
void S60EglExtensions::glEglImageTargetTexture(GLenum target, GLeglImageOES image)
{
return m_glEGLImageTargetTexture2DOES(target, image);
}
