Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 195 insertions, 0 deletions

diff --git a/PhysX_3.4/Samples/PxToolkit/src/PxTkBmpLoader.cpp b/PhysX_3.4/Samples/PxToolkit/src/PxTkBmpLoader.cpp
new file mode 100644
index 00000000..458c68d1
--- /dev/null
+++ b/PhysX_3.4/Samples/PxToolkit/src/PxTkBmpLoader.cpp
@@ -0,0 +1,195 @@
+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include "PxTkBmpLoader.h"
+#include "PxTkFile.h"
+
+
+using namespace PxToolkit;
+
+#define MAKETWOCC(a,b) ( (static_cast<char>(a)) | ((static_cast<char>(b))<< 8) ) 
+
+static bool isBigEndian() { int i = 1; return *(reinterpret_cast<char*>(&i))==0; }
+
+static unsigned short endianSwap(unsigned short nValue)
+{
+   return (((nValue>> 8)) | (nValue << 8));
+
+}
+
+static unsigned int endianSwap(unsigned int i)
+{
+  unsigned char b1, b2, b3, b4;
+
+  b1 = i & 255;
+  b2 = ( i >> 8 ) & 255;
+  b3 = ( i>>16 ) & 255;
+  b4 = ( i>>24 ) & 255;
+
+  return (static_cast<unsigned int>(b1) << 24) + (static_cast<unsigned int>(b2) << 16) + (static_cast<unsigned int>(b3) << 8) + b4;
+}
+
+// -------------------------------------------------------------------
+
+#pragma pack(1)
+
+struct BMPHEADER {
+	unsigned short		Type;
+	unsigned int		Size;
+	unsigned short		Reserved1;
+	unsigned short		Reserved2;
+	unsigned int		OffBits;
+};
+
+// Only Win3.0 BMPINFO (see later for OS/2)
+struct BMPINFO {
+	unsigned int		Size;
+	unsigned int		Width;
+	unsigned int		Height;
+	unsigned short		Planes;
+	unsigned short		BitCount;
+	unsigned int		Compression;
+	unsigned int		SizeImage;
+	unsigned int		XPelsPerMeter;
+	unsigned int		YPelsPerMeter;
+	unsigned int		ClrUsed;
+	unsigned int		ClrImportant;
+};
+
+#pragma pack()
+
+// Compression Type
+#define BI_RGB      0L
+#define BI_RLE8     1L
+#define BI_RLE4     2L
+
+// -------------------------------------------------------------------
+BmpLoader::BmpLoader() :
+	mWidth		(0),
+	mHeight		(0),
+	mRGB		(NULL),
+	mHasAlpha	(false)
+{
+}
+
+// -------------------------------------------------------------------
+BmpLoader::~BmpLoader() 
+{
+	if (mRGB) free(mRGB);
+}
+
+// -------------------------------------------------------------------
+bool BmpLoader::loadBmp(PxFileHandle f)
+{
+	if (!f) return false;
+
+	if (mRGB) {
+		free(mRGB);
+		mRGB = NULL;
+	}
+	mWidth = 0;
+	mHeight = 0;
+
+	size_t num;
+	BMPHEADER header;
+	num = fread(&header, 1, sizeof(BMPHEADER), f);
+	if(isBigEndian()) header.Type = endianSwap(header.Type);
+	if (num != sizeof(BMPHEADER)) { fclose(f); return false; }
+	if (header.Type != MAKETWOCC('B','M')) { fclose(f); return false; }
+
+	BMPINFO info;
+	num = fread(&info, 1, sizeof(BMPINFO), f);
+	if (num != sizeof(BMPINFO)) { fclose(f); return false; }
+	if(isBigEndian()) info.Size = endianSwap(info.Size);
+	if(isBigEndian()) info.BitCount = endianSwap(info.BitCount);
+	if(isBigEndian()) info.Compression = endianSwap(info.Compression);
+	if(isBigEndian()) info.Width = endianSwap(info.Width);
+	if(isBigEndian()) info.Height = endianSwap(info.Height);
+
+	if (info.Size != sizeof(BMPINFO)) { fclose(f); return false; }
+	if (info.BitCount != 24 && info.BitCount != 32) { fclose(f); return false; }
+	if (info.Compression != BI_RGB) { fclose(f); return false; }
+
+	mWidth	= info.Width;
+	mHeight	= info.Height;
+
+	int bytesPerPixel = 0;
+	if(info.BitCount == 24)
+	{
+		mHasAlpha = false;
+		bytesPerPixel = 3;
+	}
+	else if(info.BitCount == 32)
+	{
+		mHasAlpha = true;
+		bytesPerPixel = 4;
+	}
+	else assert(0);
+
+	mRGB = static_cast<unsigned char*>(malloc(mWidth * mHeight * bytesPerPixel));
+
+	int lineLen = (((info.Width * (info.BitCount>>3)) + 3)>>2)<<2;
+	unsigned char* line = static_cast<unsigned char*>(malloc(lineLen));
+
+	for(int i = info.Height-1; i >= 0; i--)
+	{
+		num = fread(line, 1, static_cast<size_t>(lineLen), f);
+		if (num != static_cast<size_t>(lineLen)) { fclose(f); return false; }
+		unsigned char* src = line;
+		unsigned char* dest = mRGB + i*info.Width*bytesPerPixel;
+		for(unsigned int j = 0; j < info.Width; j++)
+		{
+			unsigned char b = *src++;
+			unsigned char g = *src++;
+			unsigned char r = *src++;
+			unsigned char a = mHasAlpha ? *src++ : 0;
+			*dest++ = r;
+			*dest++ = g;
+			*dest++ = b;
+			if(mHasAlpha)
+				*dest++ = a;
+		}
+	}
+
+	free(line);
+	return true;
+}
+
+// -------------------------------------------------------------------
+bool BmpLoader::loadBmp(const char *filename)
+{
+	PxFileHandle f = NULL;
+	PxToolkit::fopen_s(&f, filename, "rb");
+	bool ret = loadBmp(f); 
+	if(f) fclose(f);
+	return ret;
+}