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, 108 insertions, 0 deletions

diff --git a/src/mesa/drivers/windows/gldirect/pixpack.h b/src/mesa/drivers/windows/gldirect/pixpack.h
new file mode 100644
index 00000000000..ec848d455b8
--- /dev/null
+++ b/src/mesa/drivers/windows/gldirect/pixpack.h
@@ -0,0 +1,108 @@
+/****************************************************************************
+*
+*                        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:  Pixel packing functions.
+*
+****************************************************************************/
+
+#ifndef __PIXPACK_H
+#define __PIXPACK_H
+
+#include <GL\gl.h>
+#include <ddraw.h>
+
+#include "ddlog.h"
+
+/*---------------------- Macros and type definitions ----------------------*/
+
+#define PXAPI
+
+// Typedef that can be used for pixel packing function pointers.
+#define PX_PACK_FUNC(a) void PXAPI (a)(unsigned char *pixdata, void *dst, GLenum Format, const LPDDSURFACEDESC2 lpDDSD2)
+typedef void (PXAPI *PX_packFunc)(unsigned char *pixdata, void *dst, GLenum Format, const LPDDSURFACEDESC2 lpDDSD2);
+
+// Typedef that can be used for pixel unpacking function pointers.
+#define PX_UNPACK_FUNC(a) void PXAPI (a)(unsigned char *pixdata, void *src, GLenum Format, const LPDDSURFACEDESC2 lpDDSD2)
+typedef void (PXAPI *PX_unpackFunc)(unsigned char *pixdata, void *src, GLenum Format, const LPDDSURFACEDESC2 lpDDSD2);
+
+// Typedef that can be used for pixel span packing function pointers.
+#define PX_PACK_SPAN_FUNC(a) void PXAPI (a)(GLuint n, unsigned char *pixdata, unsigned char *dst, GLenum Format, const LPDDSURFACEDESC2 lpDDSD2)
+typedef void (PXAPI *PX_packSpanFunc)(GLuint n, unsigned char *pixdata, unsigned char *dst, GLenum Format, const LPDDSURFACEDESC2 lpDDSD2);
+
+/*------------------------- Function Prototypes ---------------------------*/
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+// Function that examines a pixel format and returns the relevent
+// pixel-packing function
+void PXAPI pxClassifyPixelFormat(const LPDDPIXELFORMAT lpddpf, PX_packFunc *lpPackFn ,PX_unpackFunc *lpUnpackFn, PX_packSpanFunc *lpPackSpanFn);
+
+// Packing functions
+PX_PACK_FUNC(pxPackGeneric);
+PX_PACK_FUNC(pxPackRGB555);
+PX_PACK_FUNC(pxPackARGB4444);
+PX_PACK_FUNC(pxPackARGB1555);
+PX_PACK_FUNC(pxPackRGB565);
+PX_PACK_FUNC(pxPackRGB332);
+PX_PACK_FUNC(pxPackRGB888);
+PX_PACK_FUNC(pxPackARGB8888);
+PX_PACK_FUNC(pxPackPAL8);
+
+// Unpacking functions
+PX_UNPACK_FUNC(pxUnpackGeneric);
+PX_UNPACK_FUNC(pxUnpackRGB555);
+PX_UNPACK_FUNC(pxUnpackARGB4444);
+PX_UNPACK_FUNC(pxUnpackARGB1555);
+PX_UNPACK_FUNC(pxUnpackRGB565);
+PX_UNPACK_FUNC(pxUnpackRGB332);
+PX_UNPACK_FUNC(pxUnpackRGB888);
+PX_UNPACK_FUNC(pxUnpackARGB8888);
+PX_UNPACK_FUNC(pxUnpackPAL8);
+
+// Span Packing functions
+PX_PACK_SPAN_FUNC(pxPackSpanGeneric);
+PX_PACK_SPAN_FUNC(pxPackSpanRGB555);
+PX_PACK_SPAN_FUNC(pxPackSpanARGB4444);
+PX_PACK_SPAN_FUNC(pxPackSpanARGB1555);
+PX_PACK_SPAN_FUNC(pxPackSpanRGB565);
+PX_PACK_SPAN_FUNC(pxPackSpanRGB332);
+PX_PACK_SPAN_FUNC(pxPackSpanRGB888);
+PX_PACK_SPAN_FUNC(pxPackSpanARGB8888);
+PX_PACK_SPAN_FUNC(pxPackSpanPAL8);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif