X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbufferable.cpp;h=3178e0adefa38f72e2d8aa22ecbae6769c50cdc7;hp=d07f57cc4e430f5d337c67cd7ebd47917eb3a456;hb=HEAD;hpb=26502dca8d631c7c4b1fcc6dbe334da941f4ab54 diff --git a/source/bufferable.cpp b/source/bufferable.cpp deleted file mode 100644 index d07f57cc..00000000 --- a/source/bufferable.cpp +++ /dev/null @@ -1,165 +0,0 @@ -#include -#include -#include -#include "bindable.h" -#include "buffer.h" -#include "bufferable.h" - -using namespace std; - -namespace Msp { -namespace GL { - -Bufferable::Bufferable(): - buffer(0), - offset(0), - next_in_buffer(0), - prev_in_buffer(0), - location_dirty(false), - dirty(false) -{ } - -Bufferable::~Bufferable() -{ - unlink_from_buffer(); -} - -void Bufferable::use_buffer(Buffer *buf, Bufferable *prev) -{ - if(prev && buf!=prev->buffer) - throw invalid_argument("Bufferable::use_buffer"); - - if(buffer) - unlink_from_buffer(); - - buffer = buf; - if(buffer) - { - prev_in_buffer = prev; - if(prev_in_buffer) - { - next_in_buffer = prev_in_buffer->next_in_buffer; - prev_in_buffer->next_in_buffer = this; - } - } - - location_dirty = true; - dirty = true; - update_offset(); -} - -void Bufferable::change_buffer(Buffer *buf) -{ - for(Bufferable *b=this; b; b=b->next_in_buffer) - { - b->buffer = buf; - b->location_dirty = true; - b->dirty = true; - } - for(Bufferable *b=prev_in_buffer; b; b=b->prev_in_buffer) - { - b->buffer = buf; - b->location_dirty = true; - b->dirty = true; - } -} - -unsigned Bufferable::get_required_buffer_size() const -{ - const Bufferable *last = this; - for(; last->next_in_buffer; last=last->next_in_buffer) ; - return last->offset+last->get_data_size(); -} - -Bufferable::AsyncUpdater *Bufferable::refresh_async() const -{ - return dirty ? new AsyncUpdater(*this) : 0; -} - -void Bufferable::unlink_from_buffer() -{ - if(prev_in_buffer) - prev_in_buffer->next_in_buffer = next_in_buffer; - if(next_in_buffer) - { - next_in_buffer->prev_in_buffer = prev_in_buffer; - next_in_buffer->update_offset(); - } - prev_in_buffer = 0; - next_in_buffer = 0; - buffer = 0; - offset = 0; -} - -void Bufferable::update_offset() -{ - unsigned new_offset = 0; - if(prev_in_buffer) - new_offset = prev_in_buffer->offset+prev_in_buffer->get_data_size(); - - unsigned align = get_alignment(); - new_offset += align-1; - new_offset -= new_offset%align; - if(new_offset!=offset) - { - offset = new_offset; - location_dirty = true; - dirty = true; - } - - if(next_in_buffer) - next_in_buffer->update_offset(); - else if(buffer && offset+get_data_size()>buffer->get_size()) - { - location_dirty = true; - dirty = true; - } -} - -void Bufferable::upload_data(char *target) const -{ - unsigned data_size = get_data_size(); - if(location_dirty) - { - buffer->require_size(offset+data_size); - location_changed(buffer, offset, data_size); - location_dirty = false; - } - - if(target) - { - const char *source = reinterpret_cast(get_data_pointer()); - copy(source, source+data_size, target); - } - else - buffer->sub_data(offset, data_size, get_data_pointer()); - dirty = false; -} - - -Bufferable::AsyncUpdater::AsyncUpdater(const Bufferable &b): - bufferable(b) -{ - bufferable.buffer->require_size(bufferable.get_required_buffer_size()); - mapped_address = reinterpret_cast(bufferable.buffer->map()); -} - -Bufferable::AsyncUpdater::~AsyncUpdater() -{ - bufferable.buffer->unmap(); -} - -void Bufferable::AsyncUpdater::upload_data() -{ - bufferable.upload_data(mapped_address+bufferable.offset); - // Update all bufferables in the same buffer at once - for(const Bufferable *b=bufferable.prev_in_buffer; b; b=b->prev_in_buffer) - if(b->dirty) - b->upload_data(mapped_address+b->offset); - for(const Bufferable *b=bufferable.next_in_buffer; b; b=b->next_in_buffer) - if(b->dirty) - b->upload_data(mapped_address+b->offset); -} - -} // namespace GL -} // namespace Msp