void OGLESGraphicsBuffer::CopyToBuffer(GraphicsBuffer& rhs)
{
GraphicsBuffer::Mapper lhs_mapper(*this, BA_Read_Only);
GraphicsBuffer::Mapper rhs_mapper(rhs, BA_Write_Only);
std::copy(lhs_mapper.Pointer<uint8_t>(), lhs_mapper.Pointer<uint8_t>() + size_in_byte_,
rhs_mapper.Pointer<uint8_t>());
}
void OGLGraphicsBuffer::CopyToBuffer(GraphicsBuffer& rhs)
{
if (glloader_GL_VERSION_3_1() || glloader_GL_ARB_copy_buffer())
{
OGLRenderEngine& re = *checked_cast<OGLRenderEngine*>(&Context::Instance().RenderFactoryInstance().RenderEngineInstance());
re.BindBuffer(GL_COPY_READ_BUFFER, vb_);
re.BindBuffer(GL_COPY_WRITE_BUFFER, checked_cast<OGLGraphicsBuffer*>(&rhs)->vb_);
glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER,
0, 0, size_in_byte_);
}
else
{
GraphicsBuffer::Mapper lhs_mapper(*this, BA_Read_Only);
GraphicsBuffer::Mapper rhs_mapper(rhs, BA_Write_Only);
std::copy(lhs_mapper.Pointer<uint8_t>(), lhs_mapper.Pointer<uint8_t>() + size_in_byte_,
rhs_mapper.Pointer<uint8_t>());
}
}
