panda3d/panda/src/osxdisplay/osxGraphicsBuffer.cxx
2009-02-25 23:08:10 +00:00

151 lines
4.7 KiB
C++

////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#include "osxGraphicsBuffer.h"
#include "osxGraphicsStateGuardian.h"
#include "config_osxdisplay.h"
#include "osxGraphicsPipe.h"
#include "graphicsPipe.h"
#include "glgsg.h"
#include "pStatTimer.h"
TypeHandle osxGraphicsBuffer::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: osxGraphicsBuffer::Constructor
// Access: Public
// Description:
////////////////////////////////////////////////////////////////////
osxGraphicsBuffer::
osxGraphicsBuffer(GraphicsEngine *engine, GraphicsPipe *pipe,
const string &name,
const FrameBufferProperties &fb_prop,
const WindowProperties &win_prop,
int flags,
GraphicsStateGuardian *gsg,
GraphicsOutput *host) :
GraphicsBuffer(engine, pipe, name, fb_prop, win_prop, flags, gsg, host)
{
osxGraphicsPipe *osx_pipe;
DCAST_INTO_V(osx_pipe, _pipe);
_screenshot_buffer_type = _draw_buffer_type;
}
////////////////////////////////////////////////////////////////////
// Function: osxGraphicsBuffer::Destructor
// Access: Public, Virtual
// Description:
////////////////////////////////////////////////////////////////////
osxGraphicsBuffer::
~osxGraphicsBuffer() {
}
////////////////////////////////////////////////////////////////////
// Function: osxGraphicsBuffer::begin_frame
// Access: Public, Virtual
// Description: This function will be called within the draw thread
// before beginning rendering for a given frame. It
// should do whatever setup is required, and return true
// if the frame should be rendered, or false if it
// should be skipped.
////////////////////////////////////////////////////////////////////
bool osxGraphicsBuffer::
begin_frame(FrameMode mode, Thread *current_thread) {
PStatTimer timer(_make_current_pcollector);
begin_frame_spam(mode);
if (_gsg == (GraphicsStateGuardian *)NULL) {
return false;
}
osxGraphicsStateGuardian *osxgsg;
DCAST_INTO_R(osxgsg, _gsg, false);
// osxMakeCurrent(_display, _pbuffer, osxgsg->_context);
osxgsg->reset_if_new();
if (mode == FM_render)
{
for (int i=0; i<count_textures(); i++) {
if (get_rtm_mode(i) == RTM_bind_or_copy) {
_textures[i]._rtm_mode = RTM_copy_texture;
}
}
clear_cube_map_selection();
}
_gsg->set_current_properties(&get_fb_properties());
return _gsg->begin_frame(current_thread);
}
////////////////////////////////////////////////////////////////////
// Function: osxGraphicsBuffer::end_frame
// Access: Public, Virtual
// Description: This function will be called within the draw thread
// after rendering is completed for a given frame. It
// should do whatever finalization is required.
////////////////////////////////////////////////////////////////////
void osxGraphicsBuffer::
end_frame(FrameMode mode, Thread *current_thread) {
end_frame_spam(mode);
nassertv(_gsg != (GraphicsStateGuardian *)NULL);
if (mode == FM_render)
{
copy_to_textures();
}
_gsg->end_frame(current_thread);
if (mode == FM_render) {
trigger_flip();
if (_one_shot) {
prepare_for_deletion();
}
clear_cube_map_selection();
}
}
////////////////////////////////////////////////////////////////////
// Function: osxGraphicsBuffer::close_buffer
// Access: Protected, Virtual
// Description: Closes the buffer right now. Called from the window
// thread.
////////////////////////////////////////////////////////////////////
void osxGraphicsBuffer::
close_buffer() {
if (_gsg != (GraphicsStateGuardian *)NULL) {
//osxMakeCurrent(_display, None, NULL);
_gsg.clear();
_active = false;
}
_is_valid = false;
}
////////////////////////////////////////////////////////////////////
// Function: osxGraphicsBuffer::open_buffer
// Access: Protected, Virtual
// Description: Opens the buffer right now. Called from the window
// thread. Returns true if the buffer is successfully
// opened, or false if there was a problem.
////////////////////////////////////////////////////////////////////
bool osxGraphicsBuffer::
open_buffer() {
if (_gsg == 0) {
_gsg = new osxGraphicsStateGuardian(_engine, _pipe, NULL);
}
return false;
}