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, 198 insertions, 0 deletions

diff --git a/src/mesa/drivers/windows/gldirect/dglglobals.h b/src/mesa/drivers/windows/gldirect/dglglobals.h
new file mode 100644
index 0000000000..995f1cd5e4
--- /dev/null
+++ b/src/mesa/drivers/windows/gldirect/dglglobals.h
@@ -0,0 +1,198 @@
+/****************************************************************************
+*
+*                        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:  Globals.
+*
+****************************************************************************/
+
+#ifndef __DGLGLOBALS_H
+#define __DGLGLOBALS_H
+
+#include "dglcontext.h"
+#include "dglpf.h"		// Pixel format
+#ifndef _USE_GLD3_WGL
+#include "d3dtexture.h"
+#endif
+
+/*---------------------- Macros and type definitions ----------------------*/
+
+typedef enum {
+	DGL_RENDER_MESASW		= 0,
+	DGL_RENDER_D3D			= 1,
+	DGL_RENDER_FORCE_DWORD	= 0x7ffffff,
+} DGL_renderType;
+
+#ifdef _USE_GLD3_WGL
+
+// Same as DGL_renderType? KeithH
+typedef enum {
+	GLDS_DRIVER_MESA_SW			= 0,	// Mesa SW rendering
+	GLDS_DRIVER_REF				= 1,	// Direct3D Reference Rasteriser
+	GLDS_DRIVER_HAL				= 2,	// Direct3D HW rendering
+} GLDS_DRIVER;
+
+typedef enum {
+	GLDS_TNL_DEFAULT			= 0,	// Choose best TnL method
+	GLDS_TNL_MESA				= 1,	// Mesa TnL
+	GLDS_TNL_D3DSW				= 2,	// D3D Software TnL
+	GLDS_TNL_D3DHW				= 3,	// D3D Hardware TnL
+} GLDS_TNL;
+
+typedef enum {
+	GLDS_MULTISAMPLE_NONE		= 0,
+	GLDS_MULTISAMPLE_FASTEST	= 1,
+	GLDS_MULTISAMPLE_NICEST		= 2,
+} GLDS_MULTISAMPLE;
+#endif
+
+typedef struct {
+	// Registry settings
+	char				szDDName[MAX_DDDEVICEID_STRING]; // DirectDraw device name
+	char				szD3DName[MAX_DDDEVICEID_STRING]; // Direct3D driver name
+	BOOL				bPrimary; // Is ddraw device the Primary device?
+	BOOL				bHardware; // Is the d3d driver a Hardware driver?
+#ifndef _USE_GLD3_WGL
+	GUID				ddGuid; // GUID of the ddraw device 
+	GUID				d3dGuid; // GUID of the direct3d driver
+#endif // _USE_GLD3_WGL
+//	BOOL				bFullscreen; // Force fullscreen - only useful for primary adaptors.
+	BOOL				bSquareTextures; // Does this driver require square textures?
+	DWORD               dwRendering; // Type of rendering required
+
+	BOOL				bWaitForRetrace; // Sync to vertical retrace
+	BOOL				bFullscreenBlit; // Use Blt instead of Flip in fullscreen modes
+
+	// Multitexture
+	BOOL				bMultitexture;
+
+	BOOL				bUseMipmaps;
+
+	DWORD				dwMemoryType; // Sysmem or Vidmem
+
+	// Global palette
+	BOOL				bPAL8;
+	DDPIXELFORMAT		ddpfPAL8;
+
+	// Multitexture
+	WORD				wMaxSimultaneousTextures;
+
+	// Win32 internals
+	BOOL				bAppActive; // Keep track of Alt-Tab
+	LONG				lpfnWndProc; // WndProc of calling app
+
+	// Pixel Format Descriptior list.
+	int					nPixelFormatCount;
+	DGL_pixelFormat		*lpPF;
+#ifndef _USE_GLD3_WGL
+	// ZBuffer pixel formats
+	int					nZBufferPFCount; // Count of Zbuffer pixel formats
+	DDPIXELFORMAT		*lpZBufferPF; // ZBuffer pixel formats
+
+	// Display modes (for secondary devices)
+	int					nDisplayModeCount;
+	DDSURFACEDESC2		*lpDisplayModes;
+
+	// Texture pixel formats
+	int					nTextureFormatCount;
+	DGL_textureFormat	*lpTextureFormat;
+#endif // _USE_GLD3_WGL
+	// Alpha emulation via chroma key
+	BOOL				bEmulateAlphaTest;
+
+	// Geom pipeline override.
+	// If this is set TRUE then the D3D pipeline will never be used,
+	// and the Mesa pipline will always be used.
+	BOOL				bForceMesaPipeline;
+
+#ifdef _USE_GLD3_WGL
+	BOOL				bPixelformatsDirty;	// Signal a list rebuild
+#endif
+
+	// Additional globals to support multiple GL rendering contexts, GLRCs
+	BOOL				bDirectDraw;			// DirectDraw interface exists ?
+	BOOL				bDirectDrawPrimary;		// DirectDraw primary surface exists ?
+	BOOL				bDirect3D;				// Direct3D interface exists ?
+	BOOL				bDirect3DDevice;		// Direct3D device exists ?
+
+	BOOL 				bDirectDrawStereo;		// DirectDraw Stereo driver started ?
+	int 				iDirectDrawStereo;		// DirectDraw Stereo driver reference count
+	HWND				hWndActive;				// copy of active window
+
+    // Copies of DirectX COM interfaces for re-referencing across multiple GLRCs
+//	IDirectDraw4			*lpDD4;				// copy of DirectDraw interface
+//	IDirectDrawSurface4		*lpPrimary4;		// copy of DirectDraw primary surface
+//	IDirectDrawSurface4		*lpBack4;
+//	IDirectDrawSurface4		*lpDepth4;
+//	IDirectDrawPalette		*lpGlobalPalette;
+
+	// Aids for heavy-duty MFC-windowed OGL apps, like AutoCAD
+	BOOL				bMessageBoxWarnings;	// popup message box warning
+	BOOL				bDirectDrawPersistant;  // DirectDraw is persisitant
+	BOOL				bPersistantBuffers;  	// DirectDraw buffers persisitant
+
+	// FPU setup option for CAD precision (AutoCAD) vs GAME speed (Quake)
+	BOOL				bFastFPU;				// single-precision-only FPU ?
+
+	// Hot-Key support, like for real-time stereo parallax adjustments
+	BOOL				bHotKeySupport;			// hot-key support ?
+
+	// Multi-threaded support, for apps like 3DStudio
+	BOOL				bMultiThreaded;			// multi-threaded ?
+
+	// Detect and use app-specific customizations for apps like 3DStudio
+	BOOL				bAppCustomizations;		// app customizations ?
+
+#ifdef _USE_GLD3_WGL
+	DWORD				dwAdapter;				// Primary DX8 adapter
+	DWORD				dwTnL;					// MesaSW TnL
+	DWORD				dwMultisample;			// Multisample Off
+	DWORD				dwDriver;				// Direct3D HW
+	void				*pDrvPrivate;			// Driver-specific data
+#endif
+
+} DGL_globals;
+
+/*------------------------- Function Prototypes ---------------------------*/
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+DGL_globals	glb;
+
+void		dglInitGlobals();
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif