add SciTech's GLDirect driver for Windows.

This code is donated to Mesa which allows the usage of
a Direct3D layer (DX7, DX8, DX9 or complete software fallback).

No build system exists for this code yet, that will come.....

1 files changed, 181 insertions, 0 deletions

diff --git a/src/mesa/drivers/windows/gldirect/gldlame8.c b/src/mesa/drivers/windows/gldirect/gldlame8.c
new file mode 100644
index 00000000000..5ac519c1749
--- /dev/null
+++ b/src/mesa/drivers/windows/gldirect/gldlame8.c
@@ -0,0 +1,181 @@
+/****************************************************************************
+*
+*                        Mesa 3-D graphics library
+*                        Direct3D Driver Interface
+*
+*  ========================================================================
+*
+*   Copyright (C) 1991-2004 SciTech Software, Inc. 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
+*   SCITECH SOFTWARE INC 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.
+*
+*  ======================================================================
+*
+* Language:     ANSI C
+* Environment:  Windows 9x (Win32)
+*
+* Description:  GLDirect utility for determining lame boards/drivers.
+*
+****************************************************************************/
+
+#define STRICT
+#define	WIN32_LEAN_AND_MEAN
+#include <d3d8.h>
+
+/*
+Ack. Broken out from gldlame.c because of broken D3D headers. KeithH
+*/
+
+/****************************************************************************
+REMARKS:
+Scans list of DirectDraw devices for specific device IDs.
+****************************************************************************/
+
+#define VENDORID_ATI 0x1002
+
+static DWORD devATIRagePro[] = {
+	0x4742, // 3D RAGE PRO BGA AGP 1X/2X
+	0x4744, // 3D RAGE PRO BGA AGP 1X only
+	0x4749, // 3D RAGE PRO BGA PCI 33 MHz
+	0x4750, // 3D RAGE PRO PQFP PCI 33 MHz
+	0x4751, // 3D RAGE PRO PQFP PCI 33 MHz limited 3D
+	0x4C42, // 3D RAGE LT PRO BGA-312 AGP 133 MHz
+	0x4C44, // 3D RAGE LT PRO BGA-312 AGP 66 MHz
+	0x4C49, // 3D RAGE LT PRO BGA-312 PCI 33 MHz
+	0x4C50, // 3D RAGE LT PRO BGA-256 PCI 33 MHz
+	0x4C51, // 3D RAGE LT PRO BGA-256 PCI 33 MHz limited 3D
+};
+
+static DWORD devATIRageIIplus[] = {
+	0x4755, // 3D RAGE II+
+	0x4756, // 3D RAGE IIC PQFP PCI
+	0x4757, // 3D RAGE IIC BGA AGP
+	0x475A, // 3D RAGE IIC PQFP AGP
+	0x4C47, // 3D RAGE LT-G
+};
+
+static __inline BOOL IsDevice(
+	DWORD *lpDeviceIdList,
+	DWORD dwDeviceId,
+	int count)
+{
+	int i;
+
+	for (i=0; i<count; i++)
+		if (dwDeviceId == lpDeviceIdList[i])
+			return TRUE;
+
+	return FALSE;
+}
+
+/****************************************************************************
+REMARKS:
+Test the Direct3D8 device for "lameness" with respect to GLDirect.
+This is done on per-chipset basis, as in GLD CAD driver (DGLCONTEXT.C).
+If bTestForWHQL is set then the device is tested to see if it is
+certified, and bIsWHQL is set to indicate TRUE or FALSE. Otherwise bIsWHQL
+is not set. [WHQL = Windows Hardware Quality Labs]
+
+NOTE: There is a one- or two-second time penalty incurred in determining
+      the WHQL certification date.
+****************************************************************************/
+BOOL IsThisD3D8Lame(
+	IDirect3D8 *pD3D,
+	DWORD dwAdapter,
+	BOOL bTestForWHQL,
+	BOOL *bIsWHQL)
+{
+	DWORD					dwFlags = bTestForWHQL ? 0 : D3DENUM_NO_WHQL_LEVEL;
+	D3DADAPTER_IDENTIFIER8	d3dai;
+	HRESULT					hr;
+
+	hr = IDirect3D8_GetAdapterIdentifier(pD3D, dwAdapter, dwFlags, &d3dai);
+	if (FAILED(hr))
+		return TRUE; // Definitely lame if adapter details can't be obtained!
+
+	if (bTestForWHQL) {
+		*bIsWHQL = d3dai.WHQLLevel ? TRUE : FALSE;
+	}
+
+	// Vendor 1: ATI
+	if (d3dai.VendorId == VENDORID_ATI) {
+		// Test A: ATI Rage PRO
+		if (IsDevice(devATIRagePro, d3dai.DeviceId, sizeof(devATIRagePro)))
+			return TRUE;	// bad mipmapping
+		// Test B: ATI Rage II+
+		if (IsDevice(devATIRageIIplus, d3dai.DeviceId, sizeof(devATIRageIIplus)))
+			return TRUE; 	// bad HW alpha testing
+	}
+
+	return FALSE;
+}
+
+/****************************************************************************
+REMARKS:
+Test the Direct3DDevice8 device for "lameness" with respect to GLDirect.
+This is done by querying for particular caps, as in GLD CPL (CPLMAIN.CPP).
+****************************************************************************/
+BOOL IsThisD3D8DeviceLame(
+	IDirect3DDevice8 *pDev)
+{
+	D3DCAPS8	d3dCaps;
+	HRESULT		hr;
+
+	hr = IDirect3DDevice8_GetDeviceCaps(pDev, &d3dCaps);
+	if (FAILED(hr))
+		return TRUE;
+
+	// Test 1: Perspective-correct textures
+	// Any card that cannot do perspective-textures is *exceptionally* lame.
+	if (!(d3dCaps.TextureCaps & D3DPTEXTURECAPS_PERSPECTIVE)) {
+		return TRUE; // Lame!
+	}
+
+	// Test 2: Bilinear filtering
+	if (!(d3dCaps.TextureFilterCaps & D3DPTFILTERCAPS_MINFLINEAR)) {
+		return TRUE; // Lame!
+	}
+
+	// Test 3: Mipmapping
+	if (!(d3dCaps.TextureCaps & D3DPTEXTURECAPS_MIPMAP)) {
+		return TRUE; // Lame!
+	}
+
+	// Test 4: Depth-test modes (?)
+
+	// Test 5: Blend Modes -- Based on DX7 D3DIM MTEXTURE.CPP caps test
+
+	// Accept devices that can do multipass, alpha blending
+	if( !((d3dCaps.DestBlendCaps & D3DPBLENDCAPS_INVSRCALPHA) &&
+			(d3dCaps.SrcBlendCaps & D3DPBLENDCAPS_SRCALPHA)) )
+		return TRUE;
+
+	// Accept devices that can do multipass, color blending
+	if( !((d3dCaps.DestBlendCaps & D3DPBLENDCAPS_SRCCOLOR) &&
+			(d3dCaps.SrcBlendCaps & D3DPBLENDCAPS_ZERO)) )
+		return TRUE;
+
+	// Accept devices that really support multiple textures.
+	if( !((d3dCaps.MaxTextureBlendStages > 1 ) &&
+			(d3dCaps.MaxSimultaneousTextures > 1 ) &&
+			(d3dCaps.TextureOpCaps & D3DTEXOPCAPS_MODULATE )) )
+		return TRUE;
+
+	return FALSE; // Not lame
+}