From 464a555101890741ad4d9c538feb37bd5b0eee45 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Tue, 19 Feb 2019 22:42:46 -0800
Subject: [PATCH] texturev: Added winapi support for openFileSelectionDialog.

---
 scripts/texturev.lua        |   1 +
 src/renderer_d3d12.cpp      |   2 -
 tools/texturev/texturev.cpp | 144 ++++++++++++++++++++++++++++++++++--
 3 files changed, 140 insertions(+), 7 deletions(-)

diff --git a/scripts/texturev.lua b/scripts/texturev.lua
index 8d17034c6..f73a7295d 100644
--- a/scripts/texturev.lua
+++ b/scripts/texturev.lua
@@ -80,6 +80,7 @@ project ("texturev")
 
 	configuration { "vs20* or mingw*" }
 		links {
+			"comdlg32",
 			"gdi32",
 			"psapi",
 		}
diff --git a/src/renderer_d3d12.cpp b/src/renderer_d3d12.cpp
index 64ef576ef..77aa4c23b 100644
--- a/src/renderer_d3d12.cpp
+++ b/src/renderer_d3d12.cpp
@@ -785,8 +785,6 @@ namespace bgfx { namespace d3d12
 
 					if (SUCCEEDED(hr) )
 					{
-						uint32_t debugFlags = 0;
-
 						if (_init.debug)
 						{
 #if BX_PLATFORM_WINDOWS
diff --git a/tools/texturev/texturev.cpp b/tools/texturev/texturev.cpp
index cd3e4d925..0fa763629 100644
--- a/tools/texturev/texturev.cpp
+++ b/tools/texturev/texturev.cpp
@@ -250,6 +250,75 @@ struct FileSelectionDialogType
 	};
 };
 
+#if BX_PLATFORM_WINDOWS
+extern "C" void*    __stdcall GetModuleHandleA(const char* _moduleName);
+extern "C" uint32_t __stdcall GetModuleFileNameA(void* _module, char* _outFilePath, uint32_t _size);
+
+typedef uintptr_t (__stdcall *LPOFNHOOKPROC)(void*, uint32_t, uintptr_t, uint64_t);
+
+struct OPENFILENAMEA
+{
+	uint32_t      structSize;
+	void*         hwndOwner;
+	void*         hinstance;
+	const char*   filter;
+	const char*   customFilter;
+	uint32_t      maxCustomFilter;
+	uint32_t      filterIndex;
+	const char*   file;
+	uint32_t      maxFile;
+	const char*   fileTitle;
+	uint32_t      maxFileTitle;
+	const char*   initialDir;
+	const char*   title;
+	uint32_t      flags;
+	uint16_t      fileOffset;
+	uint16_t      fileExtension;
+	const char*   defExt;
+	uint64_t      customData;
+	LPOFNHOOKPROC hook;
+	const char*   templateName;
+	void*         reserved0;
+	uint32_t      reserved1;
+	uint32_t      flagsEx;
+};
+
+extern "C" bool __stdcall GetOpenFileNameA(OPENFILENAMEA* _ofn);
+
+#endif // BX_PLATFORM_WINDOWS
+
+class Split
+{
+public:
+	Split(const bx::StringView& _str, char _ch)
+		: m_str(_str)
+		, m_token(_str.getPtr(), bx::strFind(_str, _ch).getPtr() )
+		, m_ch(_ch)
+	{
+	}
+
+	bx::StringView next()
+	{
+		bx::StringView result = m_token;
+		m_token = bx::strTrim(
+			  bx::StringView(m_token.getTerm()+1
+			, bx::strFind(bx::StringView(m_token.getTerm()+1, m_str.getTerm() ), m_ch).getPtr() )
+			, " \t\n"
+			);
+		return result;
+	}
+
+	bool isDone() const
+	{
+		return m_token.isEmpty();
+	}
+
+private:
+	const bx::StringView& m_str;
+	bx::StringView m_token;
+	char m_ch;
+}; 
+
 bool openFileSelectionDialog(
 	  bx::FilePath& _inOutFilePath
 	, FileSelectionDialogType::Enum _type
@@ -296,6 +365,76 @@ bool openFileSelectionDialog(
 			}
 		}
 	}
+#elif BX_PLATFORM_WINDOWS
+	BX_UNUSED(_type);
+
+	char out[bx::kMaxFilePath] = { '\0' };
+
+	OPENFILENAMEA ofn;
+	bx::memSet(&ofn, 0, sizeof(ofn) );
+	ofn.structSize = sizeof(OPENFILENAMEA);
+	ofn.initialDir = _inOutFilePath.getCPtr();
+	ofn.file       = out;
+	ofn.maxFile    = sizeof(out);
+	ofn.flags      = 0
+		| /* OFN_EXPLORER        */ 0x00080000
+		| /* OFN_FILEMUSTEXIST   */ 0x00001000
+		| /* OFN_DONTADDTORECENT */ 0x02000000
+		;
+
+	char tmp[4096];
+	bx::StaticMemoryBlockWriter writer(tmp, sizeof(tmp) );
+
+	bx::Error err;
+
+	ofn.title = tmp;
+	bx::write(&writer, &err, "%.*s", _title.getLength(),  _title.getPtr() );
+	bx::write(&writer, '\0', &err);
+
+	ofn.filter = tmp + uint32_t(bx::seek(&writer) );
+
+	for (bx::LineReader lr(_filter); !lr.isDone() && err.isOk();)
+	{
+		const bx::StringView line = lr.next();
+		const bx::StringView sep  = bx::strFind(line, '|');
+
+		if (!sep.isEmpty() )
+		{
+			bx::write(&writer, bx::strTrim(bx::StringView(line.getPtr(), sep.getPtr() ), " "), &err);
+			bx::write(&writer, '\0', &err);
+
+			bool first = true;
+
+			for (Split split(bx::strTrim(bx::StringView(sep.getPtr()+1, line.getTerm() ), " "), ' '); !split.isDone() && err.isOk();)
+			{
+				const bx::StringView token = split.next();
+				if (!first)
+				{
+					bx::write(&writer, ';', &err);
+				}
+
+				first = false;
+				bx::write(&writer, token, &err);
+			}
+
+			bx::write(&writer, '\0', &err);
+		}
+		else
+		{
+			bx::write(&writer, line, &err);
+			bx::write(&writer, '\0', &err);
+			bx::write(&writer, '\0', &err);
+		}	
+	}
+
+	bx::write(&writer, '\0', &err);
+
+	if (err.isOk()
+	&&  GetOpenFileNameA(&ofn) )
+	{
+		_inOutFilePath.set(ofn.file);
+		return true;
+	}
 #else
 	BX_UNUSED(_inOutFilePath, _type, _title, _filter);
 #endif // BX_PLATFORM_LINUX || BX_PLATFORM_OSX
@@ -1177,11 +1316,6 @@ void keyBindingHelp(const char* _bindings, const char* _description)
 	ImGui::Text(_description);
 }
 
-#if BX_PLATFORM_WINDOWS
-extern "C" void*    _stdcall GetModuleHandleA(const char* _moduleName);
-extern "C" uint32_t _stdcall GetModuleFileNameA(void* _module, char* _outFilePath, uint32_t _size);
-#endif // BX_PLATFORM_WINDOWS
-
 void associate()
 {
 #if BX_PLATFORM_WINDOWS