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#include "GLView.h"
#include <stdio.h>
#include <interface/Bitmap.h>
BLocker BGLView::locker;
BGLView::BGLView(BRect rect, char *name,
ulong resizingMode, ulong mode,
ulong options)
: BView(rect, name, resizingMode, mode|B_FRAME_EVENTS|B_WILL_DRAW)
{
#ifdef __INTEL__
color_space cs = B_RGB16_LITTLE;
#else
color_space cs = B_RGB16_BIG;
#endif
this->bitmaps[0] = new BBitmap(rect, cs, false, true);
this->bitmaps[1] = new BBitmap(rect, cs, false, true);
this->currBitmap = 0;
int w = this->bitmaps[0]->BytesPerRow() / 2;
int h = rect.Height() + 1;
void *buffers[2];
buffers[0] = this->bitmaps[0]->Bits();
buffers[1] = this->bitmaps[1]->Bits();
this->context = ostgl_create_context(w, h, 16, buffers, 2);
ostgl_make_current(this->context, 0);
}
BGLView::~BGLView()
{
ostgl_delete_context(this->context);
delete this->bitmaps[0];
delete this->bitmaps[1];
}
void
BGLView::LockGL()
{
BGLView::locker.Lock();
ostgl_make_current(this->context, this->currBitmap);
}
void
BGLView::UnlockGL()
{
BGLView::locker.Unlock();
}
void
BGLView::SwapBuffers()
{
if (Window()->Lock()) {
DrawBitmap(this->bitmaps[this->currBitmap]);
Window()->Unlock();
this->currBitmap ^= 1;
}
}
/*
BView *
BGLView::EmbeddedView()
{
return NULL;
}
status_t
BGLView::CopyPixelsOut(BPoint source, BBitmap *dest)
{
assert(0);
return 0;
}
status_t
BGLView::CopyPixelsIn(BBitmap *source, BPoint dest)
{
assert(0);
return 0;
}
*/
void
BGLView::ErrorCallback(GLenum /*errorCode*/)
{
}
void
BGLView::Draw(BRect rect)
{
//fprintf(stderr, "GLView::Draw()");
DrawBitmap(this->bitmaps[this->currBitmap^1], rect, rect);
}
void
BGLView::AttachedToWindow()
{
}
void
BGLView::AllAttached()
{
}
void
BGLView::DetachedFromWindow()
{
}
void
BGLView::AllDetached()
{
}
void
BGLView::FrameResized(float w, float h)
{
delete this->bitmaps[0];
delete this->bitmaps[1];
#ifdef __INTEL__
color_space cs = B_RGB16_LITTLE;
#else
color_space cs = B_RGB16_BIG;
#endif
this->bitmaps[0] = new BBitmap(BRect(0,0, w-1, h-1),
cs, false, true);
this->bitmaps[1] = new BBitmap(BRect(0,0, w-1, h-1),
cs, false, true);
int w2 = this->bitmaps[0]->BytesPerRow() / 2;
void *buffers[2];
buffers[0] = this->bitmaps[0]->Bits();
buffers[1] = this->bitmaps[1]->Bits();
ostgl_resize(this->context, w2, h, buffers);
}
/*
status_t
BGLView::Perform(perform_code d, void *arg)
{
}
*/
//
// the rest are pass-through functions
//
status_t
BGLView::Archive(BMessage *data, bool deep) const
{
return BView::Archive(data, deep);
}
void
BGLView::MessageReceived(BMessage *msg)
{
BView::MessageReceived(msg);
}
void
BGLView::SetResizingMode(uint32 mode)
{
BView::SetResizingMode(mode);
}
void
BGLView::Show()
{
BView::Show();
}
void
BGLView::Hide()
{
BView::Hide();
}
BHandler *
BGLView::ResolveSpecifier(BMessage *msg, int32 index,
BMessage *specifier, int32 form,
const char *property)
{
return BView::ResolveSpecifier(msg, index, specifier, form, property);
}
status_t
BGLView::GetSupportedSuites(BMessage *data)
{
return BView::GetSupportedSuites(data);
}
/*
void
BGLView::DirectConnected( direct_buffer_info *info )
{
BView::DirectConnected(info);
}
*/
/*
void
BGLView::EnableDirectMode( bool enabled )
{
BView::EnableDirectMode(enabled);
}
*/
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