path: root/src/native/d3d/D3dDriverInfo.cpp

/*
 * $RCSfile$
 *
 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
 *
 * Use is subject to license terms.
 *
 * $Revision$
 * $Date$
 * $State$
 */

#include "Stdafx.h"


const DWORD numDeviceTypes = 2;
const D3DDEVTYPE deviceTypes[2] = { D3DDEVTYPE_HAL, D3DDEVTYPE_REF };
D3dDriverInfo **d3dDriverList = NULL;
int numDriver = 0; // size of above array list

int requiredDeviceID = -1;   // must use this Device or die   

// If this number is greater than zero, J3D must use the 
// adapter index in the order of GetAdapterIdentifier() starting from one.
// Otherwise, the first driver found with monitor matching the display
// driver is used.
int requiredDriverID = -1;  
OSVERSIONINFO osvi;

// There is bug in Nvidia driver which prevent VB too big
// in TnL hardware vertex processing mode. 
// When the index is greater than 65535, the nvidia driver will
// consider it to be N % 65535. However it works fine in
// hardware vertex processing mode.
UINT vertexBufferMaxVertexLimit = 65535;

// True to disable setting D3DRS_MULTISAMPLEANTIALIAS 
// Rendering state.
BOOL implicitMultisample; 

D3DFORMAT d3dDepthFormat[D3DDEPTHFORMATSIZE] = {D3DFMT_D15S1,
						D3DFMT_D24S8,
						D3DFMT_D24X4S4,
						D3DFMT_D16_LOCKABLE, 
						D3DFMT_D16, 
						D3DFMT_D32};

// This should match the depth bit in the above array
int d3dDepthTable[D3DDEPTHFORMATSIZE] = {15, 24, 24, 16, 16, 32};
D3DLIGHT8 ambientLight; 

D3dDriverInfo::D3dDriverInfo()
{
    for (int i=0; i < numDeviceTypes; i++) {
	d3dDeviceList[i] = new D3dDeviceInfo();
    }
}

D3dDriverInfo::~D3dDriverInfo()
{
    for (int i=0; i < numDeviceTypes; i++) {
	SafeDelete(d3dDeviceList[i]);
    }
}

VOID computeRGBDepth(D3dDriverInfo *pDriver)
{
    switch (pDriver->desktopMode.Format) {
        case D3DFMT_R8G8B8:
        case D3DFMT_A8R8G8B8: 
        case D3DFMT_X8R8G8B8:
	    pDriver->redDepth = pDriver->greenDepth =
		pDriver->blueDepth = 8;
	    break;
        case D3DFMT_R5G6B5:
	    pDriver->redDepth = pDriver->blueDepth = 5;
	    pDriver->greenDepth = 6;
	    break;
        case D3DFMT_X1R5G5B5:
        case D3DFMT_A1R5G5B5: 
	    pDriver->redDepth = pDriver->blueDepth =
		pDriver->greenDepth = 5;	
	    break;
        case D3DFMT_A4R4G4B4:
        case D3DFMT_X4R4G4B4:
	    pDriver->redDepth = pDriver->blueDepth =
		pDriver->greenDepth = 4;		
	    break;
        case D3DFMT_R3G3B2:
        case D3DFMT_A8R3G3B2:
	    pDriver->redDepth = pDriver->greenDepth = 3;		
	    pDriver->blueDepth = 2;
        default: // 8 color indexed or less
	    pDriver->redDepth = pDriver->blueDepth =
		pDriver->greenDepth = 0;			
    }

}

VOID buildDriverList(LPDIRECT3D8 pD3D)
{
    numDriver =  pD3D->GetAdapterCount();

    if (numDriver <= 0) {
	// keep d3dDriverList = NULL for checking later
	D3dCtx::d3dError(DRIVERNOTFOUND);
	return;
    }

    d3dDriverList = new LPD3dDriverInfo[numDriver];

    if (d3dDriverList == NULL) {
	D3dCtx::d3dError(OUTOFMEMORY);
	return; 
    }
    
    D3dDriverInfo *pDriver;

    for (int i = 0; i < numDriver; i++ )
    {
	pDriver = new D3dDriverInfo();
	d3dDriverList[i] = pDriver;
        pD3D->GetAdapterIdentifier(i, D3DENUM_NO_WHQL_LEVEL,
				     &pDriver->adapterIdentifier);
        pD3D->GetAdapterDisplayMode(i, &pDriver->desktopMode);
	computeRGBDepth(pDriver);
	pDriver->hMonitor = pD3D->GetAdapterMonitor(i);
	pDriver->iAdapter = i;

	for (int j = 0; j < numDeviceTypes; j++ )
        {
	    D3DCAPS8 d3dCaps;
            D3dDeviceInfo* pDevice = pDriver->d3dDeviceList[j];
            pDevice->deviceType = deviceTypes[j];
            pD3D->GetDeviceCaps(i, deviceTypes[j], &d3dCaps);
	    pDevice->setCaps(&d3dCaps);
	    pDevice->desktopCompatible = 
		SUCCEEDED(pD3D->CheckDeviceType(i, deviceTypes[j],
						pDriver->desktopMode.Format,
						pDriver->desktopMode.Format,
						TRUE));
	    pDevice->fullscreenCompatible = 
		SUCCEEDED(pD3D->CheckDeviceType(i,deviceTypes[j],
						pDriver->desktopMode.Format,
						pDriver->desktopMode.Format,
						FALSE));
	    pDevice->maxZBufferDepthSize = 0;

	    if (pDevice->isHardwareTnL) {
		strcpy(pDevice->deviceName, "Transform & Light Hardware Rasterizer");
	    } else if (pDevice->isHardware) {
		strcpy(pDevice->deviceName, "Hardware Rasterizer");
	    } else {
		strcpy(pDevice->deviceName, "Reference Rasterizer");
	    }

	    for (int k=0; k < D3DDEPTHFORMATSIZE; k++) {
		pDevice->depthFormatSupport[k] =
		    SUCCEEDED(pD3D->CheckDeviceFormat(i, deviceTypes[j],
						      pDriver->desktopMode.Format,
						      D3DUSAGE_DEPTHSTENCIL, 
						      D3DRTYPE_SURFACE,
						      d3dDepthFormat[k]))
		    &&
		    SUCCEEDED(pD3D->CheckDepthStencilMatch(i, deviceTypes[j],
							   pDriver->desktopMode.Format,
							   pDriver->desktopMode.Format,
							   d3dDepthFormat[k]));
		if (pDevice->depthFormatSupport[k]) {
		    if (d3dDepthTable[k] > pDevice->maxZBufferDepthSize) {
			pDevice->maxZBufferDepthSize = d3dDepthTable[k];
		    }
		}
	    }

	    DWORD bitmask = 1 << 2;
	    pDevice->multiSampleSupport = 0;
	    for (int mtype = D3DMULTISAMPLE_2_SAMPLES; 
		 mtype <= D3DMULTISAMPLE_16_SAMPLES; mtype++) {
		// consider desktop mode only for multisampling
		if (SUCCEEDED(pD3D->CheckDeviceMultiSampleType(i, deviceTypes[j],
							       pDriver->desktopMode.Format,
							       TRUE,
							       (D3DMULTISAMPLE_TYPE) mtype))) {
		    pDevice->multiSampleSupport |= bitmask;
		}
		bitmask <<= 1;
	    }
	}
    }
}



// Cleanup when no more ctx exists 
VOID D3dDriverInfo::release()
{
    for (int i = 0; i < numDriver; i++ ) {
	SafeDelete(d3dDriverList[i]);
    }    
    SafeDelete(d3dDriverList);
    numDriver = 0;
}

VOID printInfo() 
{
    printf("Java 3D 1.3.2, Windows version is %d.%d ", 
	   osvi.dwMajorVersion, osvi.dwMinorVersion);
    
    printf("Build: %d, ", LOWORD(osvi.dwBuildNumber)); 
    
    switch(osvi.dwPlatformId) {
    case VER_PLATFORM_WIN32s:
	printf("Windows3.1");
	break;
    case VER_PLATFORM_WIN32_WINDOWS:
	printf("Windows 95/98");
	break;
    case VER_PLATFORM_WIN32_NT:
	printf("Windows NT");
	break;
    }

    printf(" %s", osvi.szCSDVersion);

    D3dDriverInfo *pDriver;
    for (int i=0; i < numDriver; i++) {
	pDriver  = d3dDriverList[i];
	D3DADAPTER_IDENTIFIER8 *id = &pDriver->adapterIdentifier;
	D3DDISPLAYMODE *dm = &pDriver->desktopMode;
        printf("\n[Display Driver] %s, %s, Product %d\n",
	       id->Driver, id->Description,
	       HIWORD(id->DriverVersion.HighPart));
	printf("                 Version %d.%d, Build %d, VendorId %d\n",
	       LOWORD(id->DriverVersion.HighPart),	       
	       HIWORD(id->DriverVersion.LowPart),	       
	       LOWORD(id->DriverVersion.LowPart));
	printf("                 DeviceId 0x%x, SubSysId 0x%x, Revision 0x%d\n",
	       id->VendorId, id->DeviceId,
	       id->SubSysId, id->Revision);
	printf("  [Desktop Mode] %dx%d ", 
	       dm->Width, dm->Height);

	if (dm->RefreshRate != 0) {
	    printf("%d MHz", dm->RefreshRate);
	}
	printf(", %s\n", getPixelFormatName(dm->Format));

	for (int j=0; j < numDeviceTypes; j++) {
	    D3dDeviceInfo *pDevice = pDriver->d3dDeviceList[j];
	    printf("\t[Device] %s ", pDevice->deviceName);
	    if (pDevice->multiSampleSupport) {
		printf("(AA)");
	    }
	    printf("\n");
	}
    }
    printf("\n");
}


// Construct the D3dDriverList by enumerate all the drivers
VOID D3dDriverInfo::initialize(JNIEnv *env) 
{
    HINSTANCE hD3D8DLL = LoadLibrary( "D3D8.DLL" );

    // Simply see if D3D8.dll exists.
    if ( hD3D8DLL == NULL )
    {
	D3dCtx::d3dError(D3DNOTFOUND);
	return;
    }
    FreeLibrary(hD3D8DLL);


    LPDIRECT3D8 pD3D = Direct3DCreate8( D3D_SDK_VERSION );

    if (pD3D == NULL) {
	D3dCtx::d3dError(D3DNOTFOUND);
	return;
    }

    // must appear before buildDriverList in order to
    // set VertexBufferLimit correctly in D3dDeviceInfo
    D3dCtx::setVBLimitProperty(env);

    buildDriverList(pD3D);

    SafeRelease(pD3D);

    D3dCtx::setDebugProperty(env);

    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
    GetVersionEx(&osvi);

    if (debug) {
	printInfo();
    }

    // compute requiredGUID  
    D3dCtx::setDeviceFromProperty(env);

    D3dCtx::setImplicitMultisamplingProperty(env);

    RasterList.init();
    BackgroundImageList.init();

    // Setup Global constant Ambient light 
    ambientLight.Type = D3DLIGHT_DIRECTIONAL;
    ambientLight.Direction.x = 0;
    ambientLight.Direction.y = 0;
    ambientLight.Direction.z = 1;
    CopyColor(ambientLight.Diffuse, 0, 0, 0, 1.0f);
    CopyColor(ambientLight.Ambient, 1.0f, 1.0f, 1.0f, 1.0f);
    CopyColor(ambientLight.Specular, 0, 0, 0, 1.0f);
}