added dependencies and build files (loosely inspired by Sebastian Dorda's love-native-android)

2026-08-18 03:34:18 +02:00 · 2013-12-05 17:58:37 +01:00
parent 9604528a96
commit 95a086a47f
3700 changed files with 1691119 additions and 0 deletions
@@ -0,0 +1,90 @@
+//-----------------------------------------------------------------------------
+//
+// ImageLib Sources
+// Copyright (C) 2000-2009 by Denton Woods
+// Last modified: 01/15/2009
+//
+// Filename: src-IL/src/il_squish.cpp
+//
+// Description: Implements access to the Squish library.
+//
+//-----------------------------------------------------------------------------
+
+
+#include "il_internal.h"
+/*#include "il_dds.h"
+#include "il_manip.h"
+#include <limits.h>*/
+
+
+#ifdef IL_USE_DXTC_SQUISH
+#include <squish.h>
+
+#if defined(_WIN32) && defined(IL_USE_PRAGMA_LIBS)
+	#if defined(_MSC_VER) || defined(__BORLANDC__)
+		#ifndef _DEBUG
+			#pragma comment(lib, "squish.lib")
+		#else
+			#pragma comment(lib, "squish-d.lib")
+		#endif
+	#endif
+#endif
+
+
+//! Compresses data to a DXT format using libsquish.
+//  The data must be in unsigned byte RGBA format.  The alpha channel will be ignored if DxtType is IL_DXT1.
+//  DxtSize is used to return the size in bytes of the DXTC data returned.
+ILAPI ILubyte* ILAPIENTRY ilSquishCompressDXT(ILubyte *Data, ILuint Width, ILuint Height, ILuint Depth, ILenum DxtFormat, ILuint *DxtSize)
+{
+	ILuint	Size;  //@TODO: Support larger than 32-bit data?
+	ILint	Flags;
+	ILubyte	*DxtcData;
+
+	if (Data == NULL) {  // We cannot operate on a null pointer.
+		ilSetError(IL_INVALID_PARAM);
+		return NULL;
+	}
+
+	// The nVidia Texture Tools library does not support volume textures yet.
+	if (Depth != 1) {
+		ilSetError(IL_INVALID_PARAM);
+		return NULL;
+	}
+
+	switch (DxtFormat)
+	{
+		case IL_DXT1:  // Should these two be
+		case IL_DXT1A: //  any different?
+			Flags = squish::kDxt1;
+			break;
+		case IL_DXT3:
+			Flags = squish::kDxt3;
+			break;
+		case IL_DXT5:
+			Flags = squish::kDxt5;
+			break;
+		default:  // Does not support DXT2 or DXT4.
+			ilSetError(IL_INVALID_PARAM);
+			break;
+	}
+
+	Size = squish::GetStorageRequirements(Width, Height, Flags);
+	DxtcData = (ILubyte*)ialloc(Size);
+	if (DxtcData == NULL)
+		return NULL;
+
+	squish::CompressImage(Data, Width, Height, DxtcData, Flags);
+
+	*DxtSize = Size;
+	return DxtcData;
+}
+
+#else
+// Let's have this so that the function is always created and exported, even if it does nothing.
+ILAPI ILubyte* ILAPIENTRY ilSquishCompressDXT(ILubyte *Data, ILuint Width, ILuint Height, ILuint Depth, ILenum DxtFormat, ILuint *DxtSize)
+{
+	//@TODO: Do we need to set an error message?
+	return NULL;
+}
+
+#endif//IL_NO_DXTC_SQUISH