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colobot/src/graphics/d3d/d3dframe.cpp

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// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// *
// * This program is free software: you can redistribute it and/or modify
// * it under the terms of the GNU General Public License as published by
// * the Free Software Foundation, either version 3 of the License, or
// * (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// * GNU General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program. If not, see http://www.gnu.org/licenses/.
//-----------------------------------------------------------------------------
// File: D3DFrame.cpp
//
// Desc: Class functions to implement a Direct3D app framework.
//
// Copyright (c) 1995-1999 by Microsoft, all rights reserved
//-----------------------------------------------------------------------------
#define STRICT
#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#include "d3dframe.h"
#include "d3dutil.h"
//-----------------------------------------------------------------------------
// Name: CD3DFramework7()
// Desc: The constructor. Clears static variables
//-----------------------------------------------------------------------------
CD3DFramework7::CD3DFramework7()
{
m_hWnd = NULL;
m_bIsFullscreen = FALSE;
m_bIsStereo = FALSE;
m_dwRenderWidth = 0L;
m_dwRenderHeight = 0L;
m_pddsFrontBuffer = NULL;
m_pddsBackBuffer = NULL;
m_pddsBackBufferLeft = NULL;
m_pddsZBuffer = NULL;
m_pd3dDevice = NULL;
m_pDD = NULL;
m_pD3D = NULL;
m_dwDeviceMemType = NULL;
}
//-----------------------------------------------------------------------------
// Name: ~CD3DFramework7()
// Desc: The destructor. Deletes all objects
//-----------------------------------------------------------------------------
CD3DFramework7::~CD3DFramework7()
{
DestroyObjects();
}
//-----------------------------------------------------------------------------
// Name: DestroyObjects()
// Desc: Cleans everything up upon deletion. This code returns an error
// if any of the objects have remaining reference counts.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::DestroyObjects()
{
LONG nDD = 0L; // Number of outstanding DDraw references
LONG nD3D = 0L; // Number of outstanding D3DDevice references
if( m_pDD )
{
HRESULT err = m_pDD->SetCooperativeLevel( m_hWnd, DDSCL_NORMAL );
char s[100];
sprintf(s, "SetCooperativeLevel error=%d\n", err);
OutputDebugString(s);
}
// Do a safe check for releasing the D3DDEVICE. RefCount must be zero.
if( m_pd3dDevice )
if( 0 < ( nD3D = m_pd3dDevice->Release() ) )
DEBUG_MSG( _T("Error: D3DDevice object is still referenced!") );
m_pd3dDevice = NULL;
SAFE_RELEASE( m_pddsBackBuffer );
SAFE_RELEASE( m_pddsBackBufferLeft );
SAFE_RELEASE( m_pddsZBuffer );
SAFE_RELEASE( m_pddsFrontBuffer );
SAFE_RELEASE( m_pD3D );
if( m_pDD )
{
// Do a safe check for releasing DDRAW. RefCount must be zero.
if( 0 < ( nDD = m_pDD->Release() ) )
DEBUG_MSG( _T("Error: DDraw object is still referenced!") );
}
m_pDD = NULL;
// Return successful, unless there are outstanding DD or D3DDevice refs.
return ( nDD==0 && nD3D==0 ) ? S_OK : D3DFWERR_NONZEROREFCOUNT;
}
//-----------------------------------------------------------------------------
// Name: Initialize()
// Desc: Creates the internal objects for the framework
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::Initialize( HWND hWnd, GUID* pDriverGUID,
GUID* pDeviceGUID, DDSURFACEDESC2* pMode,
DWORD dwFlags )
{
HRESULT hr;
// Check params. Note: A NULL mode is valid for windowed modes only.
if( ( NULL==hWnd ) || ( NULL==pDeviceGUID ) ||
( NULL==pMode && (dwFlags&D3DFW_FULLSCREEN) ) )
return E_INVALIDARG;
// Setup state for windowed/fullscreen mode
m_hWnd = hWnd;
m_bIsStereo = FALSE;
m_bIsFullscreen = ( dwFlags & D3DFW_FULLSCREEN ) ? TRUE : FALSE;
// Support stereoscopic viewing for fullscreen modes which support it
if( ( dwFlags & D3DFW_STEREO ) && ( dwFlags & D3DFW_FULLSCREEN ) )
if( pMode->ddsCaps.dwCaps2 & DDSCAPS2_STEREOSURFACELEFT )
m_bIsStereo = TRUE;
// Create the D3D rendering environment (surfaces, device, viewport, etc.)
if( FAILED( hr = CreateEnvironment( pDriverGUID, pDeviceGUID, pMode,
dwFlags ) ) )
{
DestroyObjects();
return hr;
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: CreateEnvironment()
// Desc: Creates the internal objects for the framework
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::CreateEnvironment( GUID* pDriverGUID, GUID* pDeviceGUID,
DDSURFACEDESC2* pMode, DWORD dwFlags )
{
HRESULT hr;
// Select the default memory type, for whether the device is HW or SW
if( IsEqualIID( *pDeviceGUID, IID_IDirect3DHALDevice) )
m_dwDeviceMemType = DDSCAPS_VIDEOMEMORY;
else if( IsEqualIID( *pDeviceGUID, IID_IDirect3DTnLHalDevice) )
m_dwDeviceMemType = DDSCAPS_VIDEOMEMORY;
else
m_dwDeviceMemType = DDSCAPS_SYSTEMMEMORY;
// Create the DDraw object
hr = CreateDirectDraw( pDriverGUID, dwFlags );
if( FAILED( hr ) )
return hr;
// Create the front and back buffers, and attach a clipper
if( dwFlags & D3DFW_FULLSCREEN )
hr = CreateFullscreenBuffers( pMode );
else
hr = CreateWindowedBuffers();
if( FAILED( hr ) )
return hr;
// Create the Direct3D object and the Direct3DDevice object
hr = CreateDirect3D( pDeviceGUID );
if( FAILED( hr ) )
return hr;
// Create and attach the zbuffer
if( dwFlags & D3DFW_ZBUFFER )
hr = CreateZBuffer( pDeviceGUID );
if( FAILED( hr ) )
return hr;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: EnumZBufferFormatsCallback()
// Desc: Simply returns the first matching enumerated z-buffer format
//-----------------------------------------------------------------------------
static HRESULT WINAPI EnumZBufferFormatsCallback( DDPIXELFORMAT* pddpf,
VOID* pContext )
{
DDPIXELFORMAT* pddpfOut = (DDPIXELFORMAT*)pContext;
if( pddpfOut->dwRGBBitCount == pddpf->dwRGBBitCount )
{
(*pddpfOut) = (*pddpf);
return D3DENUMRET_CANCEL;
}
return D3DENUMRET_OK;
}
//-----------------------------------------------------------------------------
// Name: CreateDirectDraw()
// Desc: Create the DirectDraw interface
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::CreateDirectDraw( GUID* pDriverGUID, DWORD dwFlags )
{
// Create the DirectDraw interface, and query for the DD7 interface
if( FAILED( DirectDrawCreateEx( pDriverGUID, (VOID**)&m_pDD,
IID_IDirectDraw7, NULL ) ) )
{
DEBUG_MSG( _T("Could not create DirectDraw") );
return D3DFWERR_NODIRECTDRAW;
}
// Set the Windows cooperative level
DWORD dwCoopFlags = DDSCL_NORMAL;
if( m_bIsFullscreen )
dwCoopFlags = DDSCL_ALLOWREBOOT|DDSCL_EXCLUSIVE|DDSCL_FULLSCREEN;
// By defualt, set the flag to allow D3D to optimize floating point calcs
if( 0L == ( dwFlags & D3DFW_NO_FPUSETUP ) )
dwCoopFlags |= DDSCL_FPUSETUP;
if( FAILED( m_pDD->SetCooperativeLevel( m_hWnd, dwCoopFlags ) ) )
{
DEBUG_MSG( _T("Couldn't set coop level") );
return D3DFWERR_COULDNTSETCOOPLEVEL;
}
// Check that we are NOT in a palettized display. That case will fail,
// since the framework doesn't use palettes.
DDSURFACEDESC2 ddsd;
ddsd.dwSize = sizeof(ddsd);
m_pDD->GetDisplayMode( &ddsd );
if( ddsd.ddpfPixelFormat.dwRGBBitCount <= 8 )
return D3DFWERR_INVALIDMODE;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: CreateFullscreenBuffers()
// Desc: Creates the primary and (optional) backbuffer for rendering.
// Windowed mode and fullscreen mode are handled differently.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::CreateFullscreenBuffers( DDSURFACEDESC2* pddsd )
{
HRESULT hr;
// Get the dimensions of the screen bounds
// Store the rectangle which contains the renderer
SetRect( &m_rcScreenRect, 0, 0, pddsd->dwWidth, pddsd->dwHeight );
m_dwRenderWidth = m_rcScreenRect.right - m_rcScreenRect.left;
m_dwRenderHeight = m_rcScreenRect.bottom - m_rcScreenRect.top;
// Set the display mode to the requested dimensions. Check for
// 320x200x8 modes, and set flag to avoid using ModeX
DWORD dwModeFlags = 0;
if( (320==m_dwRenderWidth) && (200==m_dwRenderHeight) &&
(8==pddsd->ddpfPixelFormat.dwRGBBitCount) )
dwModeFlags |= DDSDM_STANDARDVGAMODE;
if( FAILED( m_pDD->SetDisplayMode( m_dwRenderWidth, m_dwRenderHeight,
pddsd->ddpfPixelFormat.dwRGBBitCount,
pddsd->dwRefreshRate, dwModeFlags ) ) )
{
DEBUG_MSG( _T("Can't set display mode") );
return D3DFWERR_BADDISPLAYMODE;
}
// Setup to create the primary surface w/backbuffer
DDSURFACEDESC2 ddsd;
ZeroMemory( &ddsd, sizeof(ddsd) );
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS|DDSD_BACKBUFFERCOUNT;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_3DDEVICE |
DDSCAPS_FLIP | DDSCAPS_COMPLEX;
ddsd.dwBackBufferCount = 1;
// Support for stereoscopic viewing
if( m_bIsStereo )
{
ddsd.ddsCaps.dwCaps |= DDSCAPS_VIDEOMEMORY;
ddsd.ddsCaps.dwCaps2 |= DDSCAPS2_STEREOSURFACELEFT;
}
// Create the primary surface
if( FAILED( hr = m_pDD->CreateSurface( &ddsd, &m_pddsFrontBuffer, NULL ) ) )
{
DEBUG_MSG( _T("Error: Can't create primary surface") );
if( hr != DDERR_OUTOFVIDEOMEMORY )
return D3DFWERR_NOPRIMARY;
DEBUG_MSG( _T("Error: Out of video memory") );
return DDERR_OUTOFVIDEOMEMORY;
}
// Get the backbuffer, which was created along with the primary.
DDSCAPS2 ddscaps = { DDSCAPS_BACKBUFFER, 0, 0, 0 };
if( FAILED( hr = m_pddsFrontBuffer->GetAttachedSurface( &ddscaps,
&m_pddsBackBuffer ) ) )
{
DEBUG_ERR( hr, _T("Error: Can't get the backbuffer") );
return D3DFWERR_NOBACKBUFFER;
}
// Increment the backbuffer count (for consistency with windowed mode)
m_pddsBackBuffer->AddRef();
// Support for stereoscopic viewing
if( m_bIsStereo )
{
// Get the left backbuffer, which was created along with the primary.
DDSCAPS2 ddscaps = { 0, DDSCAPS2_STEREOSURFACELEFT, 0, 0 };
if( FAILED( hr = m_pddsBackBuffer->GetAttachedSurface( &ddscaps,
&m_pddsBackBufferLeft ) ) )
{
DEBUG_ERR( hr, _T("Error: Can't get the left backbuffer") );
return D3DFWERR_NOBACKBUFFER;
}
m_pddsBackBufferLeft->AddRef();
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: CreateWindowedBuffers()
// Desc: Creates the primary and (optional) backbuffer for rendering.
// Windowed mode and fullscreen mode are handled differently.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::CreateWindowedBuffers()
{
HRESULT hr;
// Get the dimensions of the viewport and screen bounds
GetClientRect( m_hWnd, &m_rcScreenRect );
ClientToScreen( m_hWnd, (POINT*)&m_rcScreenRect.left );
ClientToScreen( m_hWnd, (POINT*)&m_rcScreenRect.right );
m_dwRenderWidth = m_rcScreenRect.right - m_rcScreenRect.left;
m_dwRenderHeight = m_rcScreenRect.bottom - m_rcScreenRect.top;
// Create the primary surface
DDSURFACEDESC2 ddsd;
ZeroMemory( &ddsd, sizeof(ddsd) );
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
if( FAILED( hr = m_pDD->CreateSurface( &ddsd, &m_pddsFrontBuffer, NULL ) ) )
{
DEBUG_MSG( _T("Error: Can't create primary surface") );
if( hr != DDERR_OUTOFVIDEOMEMORY )
return D3DFWERR_NOPRIMARY;
DEBUG_MSG( _T("Error: Out of video memory") );
return DDERR_OUTOFVIDEOMEMORY;
}
// If in windowed-mode, create a clipper object
LPDIRECTDRAWCLIPPER pcClipper;
if( FAILED( hr = m_pDD->CreateClipper( 0, &pcClipper, NULL ) ) )
{
DEBUG_MSG( _T("Error: Couldn't create clipper") );
return D3DFWERR_NOCLIPPER;
}
// Associate the clipper with the window
pcClipper->SetHWnd( 0, m_hWnd );
m_pddsFrontBuffer->SetClipper( pcClipper );
SAFE_RELEASE( pcClipper );
// Create a backbuffer
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
ddsd.dwWidth = m_dwRenderWidth;
ddsd.dwHeight = m_dwRenderHeight;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
if( FAILED( hr = m_pDD->CreateSurface( &ddsd, &m_pddsBackBuffer, NULL ) ) )
{
DEBUG_ERR( hr, _T("Error: Couldn't create the backbuffer") );
if( hr != DDERR_OUTOFVIDEOMEMORY )
return D3DFWERR_NOBACKBUFFER;
DEBUG_MSG( _T("Error: Out of video memory") );
return DDERR_OUTOFVIDEOMEMORY;
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: CreateDirect3D()
// Desc: Create the Direct3D interface
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::CreateDirect3D( GUID* pDeviceGUID )
{
// Query DirectDraw for access to Direct3D
if( FAILED( m_pDD->QueryInterface( IID_IDirect3D7, (VOID**)&m_pD3D ) ) )
{
DEBUG_MSG( _T("Couldn't get the Direct3D interface") );
return D3DFWERR_NODIRECT3D;
}
// Create the device
if( FAILED( m_pD3D->CreateDevice( *pDeviceGUID, m_pddsBackBuffer,
&m_pd3dDevice) ) )
{
DEBUG_MSG( _T("Couldn't create the D3DDevice") );
return D3DFWERR_NO3DDEVICE;
}
// Finally, set the viewport for the newly created device
D3DVIEWPORT7 vp = { 0, 0, m_dwRenderWidth, m_dwRenderHeight, 0.0f, 1.0f };
if( FAILED( m_pd3dDevice->SetViewport( &vp ) ) )
{
DEBUG_MSG( _T("Error: Couldn't set current viewport to device") );
return D3DFWERR_NOVIEWPORT;
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: CreateZBuffer()
// Desc: Internal function called by Create() to make and attach a zbuffer
// to the renderer
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::CreateZBuffer( GUID* pDeviceGUID )
{
HRESULT hr;
// Check if the device supports z-bufferless hidden surface removal. If so,
// we don't really need a z-buffer
D3DDEVICEDESC7 ddDesc;
m_pd3dDevice->GetCaps( &ddDesc );
if( ddDesc.dpcTriCaps.dwRasterCaps & D3DPRASTERCAPS_ZBUFFERLESSHSR )
return S_OK;
// Get z-buffer dimensions from the render target
DDSURFACEDESC2 ddsd;
ddsd.dwSize = sizeof(ddsd);
m_pddsBackBuffer->GetSurfaceDesc( &ddsd );
// Setup the surface desc for the z-buffer.
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS | DDSD_PIXELFORMAT;
ddsd.ddsCaps.dwCaps = DDSCAPS_ZBUFFER | m_dwDeviceMemType;
ddsd.ddpfPixelFormat.dwSize = 0; // Tag the pixel format as unitialized
// Get an appropiate pixel format from enumeration of the formats. On the
// first pass, we look for a zbuffer dpeth which is equal to the frame
// buffer depth (as some cards unfornately require this).
m_pD3D->EnumZBufferFormats( *pDeviceGUID, EnumZBufferFormatsCallback,
(VOID*)&ddsd.ddpfPixelFormat );
if( 0 == ddsd.ddpfPixelFormat.dwSize )
{
// Try again, just accepting any 16-bit zbuffer
ddsd.ddpfPixelFormat.dwRGBBitCount = 16;
m_pD3D->EnumZBufferFormats( *pDeviceGUID, EnumZBufferFormatsCallback,
(VOID*)&ddsd.ddpfPixelFormat );
if( 0 == ddsd.ddpfPixelFormat.dwSize )
{
DEBUG_MSG( _T("Device doesn't support requested zbuffer format") );
return D3DFWERR_NOZBUFFER;
}
}
// Create and attach a z-buffer
if( FAILED( hr = m_pDD->CreateSurface( &ddsd, &m_pddsZBuffer, NULL ) ) )
{
DEBUG_MSG( _T("Error: Couldn't create a ZBuffer surface") );
if( hr != DDERR_OUTOFVIDEOMEMORY )
return D3DFWERR_NOZBUFFER;
DEBUG_MSG( _T("Error: Out of video memory") );
return DDERR_OUTOFVIDEOMEMORY;
}
if( FAILED( m_pddsBackBuffer->AddAttachedSurface( m_pddsZBuffer ) ) )
{
DEBUG_MSG( _T("Error: Couldn't attach zbuffer to render surface") );
return D3DFWERR_NOZBUFFER;
}
// For stereoscopic viewing, attach zbuffer to left surface as well
if( m_bIsStereo )
{
if( FAILED( m_pddsBackBufferLeft->AddAttachedSurface( m_pddsZBuffer ) ) )
{
DEBUG_MSG( _T("Error: Couldn't attach zbuffer to left render surface") );
return D3DFWERR_NOZBUFFER;
}
}
// Finally, this call rebuilds internal structures
if( FAILED( m_pd3dDevice->SetRenderTarget( m_pddsBackBuffer, 0L ) ) )
{
DEBUG_MSG( _T("Error: SetRenderTarget() failed after attaching zbuffer!") );
return D3DFWERR_NOZBUFFER;
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: RestoreSurfaces()
// Desc: Checks for lost surfaces and restores them if lost. Note: Don't
// restore render surface, since it's just a duplicate ptr.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::RestoreSurfaces()
{
// Restore all surfaces (including video memory vertex buffers)
m_pDD->RestoreAllSurfaces();
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: Move()
// Desc: Moves the screen rect for windowed renderers
//-----------------------------------------------------------------------------
VOID CD3DFramework7::Move( INT x, INT y )
{
if( TRUE == m_bIsFullscreen )
return;
SetRect( &m_rcScreenRect, x, y, x + m_dwRenderWidth, y + m_dwRenderHeight );
}
//-----------------------------------------------------------------------------
// Name: FlipToGDISurface()
// Desc: Puts the GDI surface in front of the primary, so that dialog
// boxes and other windows drawing funcs may happen.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::FlipToGDISurface( BOOL bDrawFrame )
{
if( m_pDD && m_bIsFullscreen )
{
m_pDD->FlipToGDISurface();
if( bDrawFrame )
{
DrawMenuBar( m_hWnd );
RedrawWindow( m_hWnd, NULL, NULL, RDW_FRAME );
}
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: ShowFrame()
// Desc: Show the frame on the primary surface, via a blt or a flip.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework7::ShowFrame()
{
if( NULL == m_pddsFrontBuffer )
return D3DFWERR_NOTINITIALIZED;
if( m_bIsFullscreen )
{
// We are in fullscreen mode, so perform a flip.
if( m_bIsStereo )
return m_pddsFrontBuffer->Flip( NULL, DDFLIP_WAIT | DDFLIP_STEREO );
else
return m_pddsFrontBuffer->Flip( NULL, DDFLIP_WAIT );
}
else
{
// We are in windowed mode, so perform a blit.
return m_pddsFrontBuffer->Blt( &m_rcScreenRect, m_pddsBackBuffer,
NULL, DDBLT_WAIT, NULL );
}
}
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