port from perforce

aiwaz/Aiwaz/Resources/Shader/InternalShader.cpp

@@ -0,0 +1,61 @@
+#include "stdafx.h"
+#include "InternalShader.h"
+#include "IResourceFactory.h"
+
+
+InternalShader::InternalShader(const IEngine& argEngine)
+	: m_Engine(argEngine)
+	, m_Effect(NULL)
+{
+}
+
+
+InternalShader::~InternalShader()
+{
+	m_Engine.get_ResourceFactory().DeleteInternalShader(*const_cast<InternalShader*>(this), true);
+}
+
+
+void InternalShader::LoadFromFile(const string16& argFileName)
+{
+	if (m_Effect != NULL)
+		this->Uninitialize();
+
+	HRESULT result = E_FAIL;
+
+	IFile* shaderFile = m_Engine.get_FileSystem().Open(argFileName);
+	if (shaderFile == NULL)
+		throw L"Unable to open shader file.";
+
+	ID3D10Blob* error = NULL;
+	result = ::D3DX10CreateEffectFromMemory(shaderFile->get_Buffer(), shaderFile->get_BufferLength(), std::to_string8(argFileName).c_str(), NULL, NULL, "fx_4_0",
+#ifdef _DEBUG
+		D3D10_SHADER_ENABLE_STRICTNESS | D3D10_SHADER_DEBUG,
+#else
+		D3D10_SHADER_ENABLE_STRICTNESS,
+#endif
+		0, &m_Engine.get_DX10Device(), NULL, NULL, &m_Effect, &error, NULL);
+
+	if (result != S_OK)
+		std::cout << std::red << "Unable to load shader file from memory. " << std::white << std::endl;
+
+	if (error != NULL)
+	{
+		string8 errorText = static_cast<char*>(error->GetBufferPointer());
+		std::cout << std::red << errorText << std::white << std::endl;
+		::OutputDebugString(errorText.c_str());
+		throw errorText;
+	}
+	if (error != NULL)
+		error->Release();
+
+	delete shaderFile;
+}
+
+
+void InternalShader::Uninitialize()
+{
+	if (m_Effect != NULL)
+		m_Effect->Release();
+	m_Effect = NULL;
+}