Add hires texture support to OpenGL

Currently still only dumps files as .tga but supports loading as .png, .bmp,.tga , .dds

This is by  baby.lueshi

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3166 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/VideoCommon/Src/HiresTextures.cpp

@@ -0,0 +1,120 @@
+// Copyright (C) 2003-2009 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include "HiresTextures.h"
+
+#include <cstring>
+#include <utility>
+#include "SOIL/SOIL.h"
+#include "CommonPaths.h"
+#include "FileUtil.h"
+#include "FileSearch.h"
+
+namespace HiresTextures
+{
+
+std::map<std::string, std::string> textureMap;
+
+void Init(const char *gameCode)
+{
+	CFileSearch::XStringVector Directories;
+	Directories.push_back(std::string(FULL_HIRES_TEXTURES_DIR));
+
+	for(u32 i = 0; i < Directories.size(); i++)
+	{
+		File::FSTEntry FST_Temp;
+		File::ScanDirectoryTree(Directories.at(i).c_str(), FST_Temp);
+		for(u32 j = 0; j < FST_Temp.children.size(); j++)
+		{
+			if(FST_Temp.children.at(j).isDirectory)
+			{
+				bool duplicate = false;
+				NormalizeDirSep(&(FST_Temp.children.at(j).physicalName));
+				for(u32 k = 0; k < Directories.size(); k++)
+				{
+					NormalizeDirSep(&Directories.at(k));
+					if(strcmp(Directories.at(k).c_str(), FST_Temp.children.at(j).physicalName.c_str()) == 0)
+					{
+						duplicate = true;
+						break;
+					}
+				}
+				if(!duplicate)
+					Directories.push_back(FST_Temp.children.at(j).physicalName.c_str());
+			}
+		}
+	}
+
+	CFileSearch::XStringVector Extensions;
+	Extensions.push_back("*.png");
+	Extensions.push_back("*.bmp");
+	Extensions.push_back("*.tga");
+	Extensions.push_back("*.dds");
+
+	CFileSearch FileSearch(Extensions, Directories);
+	const CFileSearch::XStringVector& rFilenames = FileSearch.GetFileNames();
+
+	if(rFilenames.size() > 0)
+	{
+		for(u32 i = 0; i < rFilenames.size(); i++)
+		{
+			std::string FileName;
+			SplitPath(rFilenames[i], NULL, &FileName, NULL);
+
+			if(FileName.substr(0, strlen(gameCode)).compare(gameCode) == 0 && textureMap.find(FileName) == textureMap.end())
+				textureMap.insert(std::map<std::string, std::string>::value_type(FileName, rFilenames[i]));
+		}
+	}
+}
+
+void Shutdown()
+{
+	textureMap.clear();
+}
+
+PC_TexFormat GetHiresTex(const char *fileName, int *pWidth, int *pHeight, u8 *data)
+{
+	std::string key(fileName);
+
+	if(textureMap.find(key) == textureMap.end())
+		return PC_TEX_FMT_NONE;
+
+	int width;
+	int height;
+	int channels;
+	u8 *temp = SOIL_load_image(textureMap[key].c_str(), &width, &height, &channels, SOIL_LOAD_RGBA);
+
+	if (temp == NULL) {
+		ERROR_LOG(VIDEO, "Custom texture %s failed to load", textureMap[key].c_str(), width, height);
+		SOIL_free_image_data(temp);
+		return PC_TEX_FMT_NONE;
+	}
+
+	if (width > 1024 || height > 1024) {
+		ERROR_LOG(VIDEO, "Custom texture %s is too large (%ix%i); textures can only be 1024 pixels tall and wide", textureMap[key].c_str(), width, height);
+		SOIL_free_image_data(temp);
+		return PC_TEX_FMT_NONE;
+	}
+
+	memcpy(data, temp, width*height*4);
+	*pWidth = width;
+	*pHeight = height;
+	SOIL_free_image_data(temp);
+	return PC_TEX_FMT_RGBA32;
+}
+
+}