haiku/src/kits/opengl/GLView.cpp
Philippe Houdoin 006a9e008b Add a first draft OpenGL kit.
The OpenGL software renderer add-on should follow soon.
Allow to link GLTeapot as native, but without renderer, nothing is displayed ;-)



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13283 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-06-26 20:21:09 +00:00

363 lines
7.4 KiB
C++

/*
* Mesa 3-D graphics library
* Version: 6.1
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <assert.h>
#include <stdio.h>
#include <GLView.h>
//
// Input: rect - initial rectangle
// name - window name
// resizingMode - example: B_FOLLOW_NONE
// mode - usually 0 ?
// options - Bitwise-OR of BGL_* tokens
//
BGLView::BGLView(BRect rect, char *name,
ulong resizingMode, ulong mode,
ulong options)
: BView(rect, name, B_FOLLOW_ALL_SIDES, mode | B_WILL_DRAW | B_FRAME_EVENTS) // | B_FULL_UPDATE_ON_RESIZE)
{
}
BGLView::~BGLView()
{
}
void BGLView::LockGL()
{
}
void BGLView::UnlockGL()
{
}
void BGLView::SwapBuffers()
{
SwapBuffers(false);
}
void BGLView::SwapBuffers(bool vSync)
{
}
BView * BGLView::EmbeddedView()
{
return NULL;
}
status_t BGLView::CopyPixelsOut(BPoint source, BBitmap *dest)
{
if (! dest || ! dest->Bounds().IsValid())
return B_BAD_VALUE;
return B_ERROR;
}
status_t BGLView::CopyPixelsIn(BBitmap *source, BPoint dest)
{
if (! source || ! source->Bounds().IsValid())
return B_BAD_VALUE;
return B_ERROR;
}
void BGLView::ErrorCallback(unsigned long errorCode) // Mesa's GLenum is not ulong but uint!
{
char msg[32];
sprintf(msg, "GL: Error code $%04lx.", errorCode);
// debugger(msg);
fprintf(stderr, "%s\n", msg);
return;
}
void BGLView::Draw(BRect updateRect)
{
}
void BGLView::AttachedToWindow()
{
BView::AttachedToWindow();
// don't paint window background white when resized
SetViewColor(B_TRANSPARENT_32_BIT);
}
void BGLView::AllAttached()
{
BView::AllAttached();
}
void BGLView::DetachedFromWindow()
{
BView::DetachedFromWindow();
}
void BGLView::AllDetached()
{
BView::AllDetached();
}
void BGLView::FrameResized(float width, float height)
{
return BView::FrameResized(width, height);
}
status_t BGLView::Perform(perform_code d, void *arg)
{
return BView::Perform(d, arg);
}
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 )
{
#if 0
if (! m_direct_connected && m_direct_connection_disabled)
return;
direct_info_locker->Lock();
switch(info->buffer_state & B_DIRECT_MODE_MASK) {
case B_DIRECT_START:
m_direct_connected = true;
case B_DIRECT_MODIFY:
// Get clipping information
if (m_clip_list)
free(m_clip_list);
m_clip_list_count = info->clip_list_count;
m_clip_list = (clipping_rect *) malloc(m_clip_list_count*sizeof(clipping_rect));
if (m_clip_list) {
memcpy(m_clip_list, info->clip_list, m_clip_list_count*sizeof(clipping_rect));
fBits = (uint8 *) info->bits;
fRowBytes = info->bytes_per_row;
fFormat = info->pixel_format;
fBounds = info->window_bounds;
fDirty = true;
}
break;
case B_DIRECT_STOP:
fConnected = false;
break;
}
direct_info_locker->Unlock();
#endif
}
void BGLView::EnableDirectMode( bool enabled )
{
}
//---- virtual reserved methods ----------
void BGLView::_ReservedGLView1() {}
void BGLView::_ReservedGLView2() {}
void BGLView::_ReservedGLView3() {}
void BGLView::_ReservedGLView4() {}
void BGLView::_ReservedGLView5() {}
void BGLView::_ReservedGLView6() {}
void BGLView::_ReservedGLView7() {}
void BGLView::_ReservedGLView8() {}
#if 0
// Not implemented!!!
BGLView::BGLView(const BGLView &v)
: BView(v)
{
// XXX not sure how this should work
printf("Warning BGLView::copy constructor not implemented\n");
}
BGLView &BGLView::operator=(const BGLView &v)
{
printf("Warning BGLView::operator= not implemented\n");
return *this;
}
#endif
// #pragma mark -
#if 0
// TODO: implement BGLScreen class...
BGLScreen::BGLScreen(char *name, ulong screenMode, ulong options,
status_t *error, bool debug)
: BWindowScreen(name, screenMode, error, debug)
{
}
BGLScreen::~BGLScreen()
{
}
void BGLScreen::LockGL()
{
}
void BGLScreen::UnlockGL()
{
}
void BGLScreen::SwapBuffers()
{
}
void BGLScreen::ErrorCallback(unsigned long errorCode) // Mesa's GLenum is not ulong but uint!
{
char msg[32];
sprintf(msg, "GL: Error code $%04lx.", errorCode);
// debugger(msg);
fprintf(stderr, "%s\n", msg);
return;
}
void BGLScreen::ScreenConnected(bool enabled)
{
}
void BGLScreen::FrameResized(float width, float height)
{
return BWindowScreen::FrameResized(width, height);
}
status_t BGLScreen::Perform(perform_code d, void *arg)
{
return BWindowScreen::Perform(d, arg);
}
status_t BGLScreen::Archive(BMessage *data, bool deep) const
{
return BWindowScreen::Archive(data, deep);
}
void BGLScreen::MessageReceived(BMessage *msg)
{
BWindowScreen::MessageReceived(msg);
}
void BGLScreen::Show()
{
BWindowScreen::Show();
}
void BGLScreen::Hide()
{
BWindowScreen::Hide();
}
BHandler *BGLScreen::ResolveSpecifier(BMessage *msg, int32 index,
BMessage *specifier, int32 form,
const char *property)
{
return BWindowScreen::ResolveSpecifier(msg, index, specifier, form, property);
}
status_t BGLScreen::GetSupportedSuites(BMessage *data)
{
return BWindowScreen::GetSupportedSuites(data);
}
//---- virtual reserved methods ----------
void BGLScreen::_ReservedGLScreen1() {}
void BGLScreen::_ReservedGLScreen2() {}
void BGLScreen::_ReservedGLScreen3() {}
void BGLScreen::_ReservedGLScreen4() {}
void BGLScreen::_ReservedGLScreen5() {}
void BGLScreen::_ReservedGLScreen6() {}
void BGLScreen::_ReservedGLScreen7() {}
void BGLScreen::_ReservedGLScreen8() {}
#endif
const char * color_space_name(color_space space)
{
#define C2N(a) case a: return #a
switch (space) {
C2N(B_RGB24);
C2N(B_RGB32);
C2N(B_RGBA32);
C2N(B_RGB32_BIG);
C2N(B_RGBA32_BIG);
C2N(B_GRAY8);
C2N(B_GRAY1);
C2N(B_RGB16);
C2N(B_RGB15);
C2N(B_RGBA15);
C2N(B_CMAP8);
default:
return "Unknown!";
};
#undef C2N
};