C++ LPD3DXCONSTANTTABLE::Release方法代码示例

TRESULT D3DWrapper::CompileVertexShader( OCShader*& shader )
{
	if( NULL == shader )
		return RE_FAILED;
	
	if( NULL == shader->GetVertexShaderCode() )
		return RE_FAILED;

	UINT codeSize = static_cast<UINT>( strlen(shader->GetVertexShaderCode()) );
	if( 0 == codeSize )
		return RE_FAILED;


	LPD3DXCONSTANTTABLE pConstantTable;
	LPD3DXBUFFER        pCode;
	LPD3DXBUFFER        pErrorMsgs;
	HRESULT hr = D3DXCompileShader( shader->GetVertexShaderCode(), codeSize, NULL, NULL, "main", "vs_3_0", 0, &pCode, &pErrorMsgs, &pConstantTable );	
	if(FAILED(hr))return RE_FAILED;


	hr = m_pD3dDevice->CreateVertexShader( (DWORD*)pCode->GetBufferPointer(), shader->GetVertexShaderPtr() );
	if(FAILED(hr))return RE_FAILED;



	//vector<string> constantNameList;
	//if( pConstantTable )
	//{		
	//	D3DXCONSTANTTABLE_DESC constant_desc;
	//	pConstantTable->GetDesc( &constant_desc );		

	//	// Get Constant list
	//	D3DXCONSTANT_DESC Desc;
	//	UINT Count;
	//	for( UINT i = 0; i<constant_desc.Constants; i++ )
	//	{
	//		D3DXHANDLE handle = pConstantTable->GetConstant(NULL, i);
	//		pConstantTable->GetConstantDesc( handle, &Desc, &Count );
	//		constantNameList.push_back( Desc.Name );
	//	}		
	//}

	if(pCode)
		pCode->Release();
	
	if(pErrorMsgs)
		pErrorMsgs->Release();

	if(pConstantTable)
		pConstantTable->Release();


	return RE_SUCCEED;
}

bool compileHLSLShaderDx9(bx::CommandLine& _cmdLine, const std::string& _code, bx::WriterI* _writer)
{
	BX_TRACE("DX9");

	const char* profile = _cmdLine.findOption('p', "profile");
	if (NULL == profile)
	{
		fprintf(stderr, "Shader profile must be specified.\n");
		return false;
	}

	bool debug = _cmdLine.hasArg('\0', "debug");

	uint32_t flags = 0;
	flags |= debug ? D3DXSHADER_DEBUG : 0;
	flags |= _cmdLine.hasArg('\0', "avoid-flow-control") ? D3DXSHADER_AVOID_FLOW_CONTROL : 0;
	flags |= _cmdLine.hasArg('\0', "no-preshader") ? D3DXSHADER_NO_PRESHADER : 0;
	flags |= _cmdLine.hasArg('\0', "partial-precision") ? D3DXSHADER_PARTIALPRECISION : 0;
	flags |= _cmdLine.hasArg('\0', "prefer-flow-control") ? D3DXSHADER_PREFER_FLOW_CONTROL : 0;
	flags |= _cmdLine.hasArg('\0', "backwards-compatibility") ? D3DXSHADER_ENABLE_BACKWARDS_COMPATIBILITY : 0;

	bool werror = _cmdLine.hasArg('\0', "Werror");

	uint32_t optimization = 3;
	if (_cmdLine.hasArg(optimization, 'O') )
	{
		optimization = bx::uint32_min(optimization, BX_COUNTOF(s_optimizationLevelDx9)-1);
		flags |= s_optimizationLevelDx9[optimization];
	}
	else
	{
		flags |= D3DXSHADER_SKIPOPTIMIZATION;
	}

	BX_TRACE("Profile: %s", profile);
	BX_TRACE("Flags: 0x%08x", flags);

	LPD3DXBUFFER code;
	LPD3DXBUFFER errorMsg;
	LPD3DXCONSTANTTABLE constantTable;

	HRESULT hr;

	// Output preprocessed shader so that HLSL can be debugged via GPA
	// or PIX. Compiling through memory won't embed preprocessed shader
	// file path.
	if (debug)
	{
		std::string hlslfp = _cmdLine.findOption('o');
		hlslfp += ".hlsl";
		writeFile(hlslfp.c_str(), _code.c_str(), (int32_t)_code.size() );

		hr = D3DXCompileShaderFromFileA(hlslfp.c_str()
			, NULL
			, NULL
			, "main"
			, profile
			, flags
			, &code
			, &errorMsg
			, &constantTable
			);
	}
	else
	{
		hr = D3DXCompileShader(_code.c_str()
			, (uint32_t)_code.size()
			, NULL
			, NULL
			, "main"
			, profile
			, flags
			, &code
			, &errorMsg
			, &constantTable
			);
	}

	if (FAILED(hr)
	|| (werror && NULL != errorMsg) )
	{
		const char* log = (const char*)errorMsg->GetBufferPointer();

		char source[1024];
		int32_t line = 0;
		int32_t column = 0;
		int32_t start = 0;
		int32_t end = INT32_MAX;

		if (3 == sscanf(log, "%[^(](%u,%u):", source, &line, &column)
		&&  0 != line)
		{
			start = bx::uint32_imax(1, line-10);
			end = start + 20;
		}

		printCode(_code.c_str(), line, start, end);
		fprintf(stderr, "Error: 0x%08x %s\n", (uint32_t)hr, log);
		errorMsg->Release();
		return false;
//.........这里部分代码省略.........

void main(int argc, char* argv[]) {
	int i, n;
	HRESULT hr;
	LPD3DXBUFFER pCode;
	LPD3DXBUFFER pErr;
	LPD3DXCONSTANTTABLE pTbl;
	char* src_name = "test.hlsl";
	char* cod_name = "test.cod";
	char* prm_name = "test.prm";
	char* profile = "ps_3_0";

	if (argc > 1) {
		src_name = argv[1];
	}
	if (argc > 2) {
		cod_name = argv[2];
	}
	if (argc > 3) {
		prm_name = argv[3];
	}
	if (argc > 4) {
		profile = argv[4];
	}

	hr = D3DXCompileShaderFromFile(src_name, NULL, NULL, "main", profile, D3DXSHADER_PREFER_FLOW_CONTROL, &pCode, &pErr, &pTbl);
	if (D3D_OK == hr) {
		D3DXCONSTANTTABLE_DESC desc;

		pTbl->GetDesc(&desc);
		n = desc.Constants;
		SymTbl* pSym = new SymTbl(2*1024*1024);
		s_tbl.nb_param = 0;

		printf("# const = %d\n", n);
		PARAM_INFO* pInfo = s_tbl.info;
		for (i = 0; i < n; ++i) {
			UINT count = 1;
			D3DXCONSTANT_DESC info[1];
			D3DXHANDLE hConst = pTbl->GetConstant(NULL, i);
			pTbl->GetConstantDesc(hConst, info, &count);
			printf("%s, reg = %d, len = %d\n", info[0].Name, info[0].RegisterIndex, info[0].RegisterCount);

			int sym_id = pSym->Add((char*)info[0].Name);
			pInfo->name = sym_id;
			pInfo->reg = info[0].RegisterIndex;
			pInfo->len = info[0].RegisterCount;
			switch (info[0].Type) {
				case D3DXPT_FLOAT:
					if (info[0].Class == D3DXPC_SCALAR) {
						pInfo->type = E_PARAMTYPE_FLOAT;
					} else {
						pInfo->type = E_PARAMTYPE_FVEC;
					}
					break;
				case D3DXPT_INT:
					if (info[0].Class == D3DXPC_SCALAR) {
						pInfo->type = E_PARAMTYPE_INT;
					} else {
						pInfo->type = E_PARAMTYPE_IVEC;
					}
					break;
				case D3DXPT_BOOL:
					pInfo->type = E_PARAMTYPE_BOOL;
					break;
				case D3DXPT_SAMPLER:
				case D3DXPT_SAMPLER1D:
				case D3DXPT_SAMPLER2D:
				case D3DXPT_SAMPLER3D:
				case D3DXPT_SAMPLERCUBE:
					pInfo->type = E_PARAMTYPE_SMP;
					break;
			}
			++pInfo;
			++s_tbl.nb_param;
		}

		int tbl_size = sizeof(int) + s_tbl.nb_param*sizeof(PARAM_INFO);
		int prm_size = tbl_size + pSym->Length();
		char* pPrm = new char[prm_size];
		memcpy(pPrm, &s_tbl, tbl_size);
		memcpy(pPrm + tbl_size, pSym->Top(), pSym->Length());

		Bin_write(cod_name, pCode->GetBufferPointer(), pCode->GetBufferSize());
		Bin_write(prm_name, pPrm, prm_size);

		delete pSym;

		if (pTbl) {
			pTbl->Release();
		}
	} else {
		if (pErr) {
			char* pErr_msg = (char*)pErr->GetBufferPointer();
			printf("%s", pErr_msg);
		}
	}

	if (pErr) {
		pErr->Release();
	}
//.........这里部分代码省略.........