#include“BitmapClass.h“

BitmapClass::BitmapClass（）
{
????md3dVertexBuffer=NULL;?//頂點緩存
????md3dIndexBuffer=NULL;??//索引緩存
	mVertexCount?=?0;
	mIndexCount?=?0;

}


BitmapClass::BitmapClass（const?BitmapClass&?other）
{

}

BitmapClass::~BitmapClass（）
{

}

bool?BitmapClass::Initialize（ID3D11Device*?d3dDevice?int?ScrrenWidth?int?ScrrenHeight）
{
	bool?result;
	//初始化屏幕長寬，紋理長寬，坐標點
	mScrrenWidth?=?ScrrenWidth;
	mScrrenHeight?=?ScrrenHeight;

	//初始化頂點緩存，索引緩存
	result?=?InitializeBuffer（d3dDevice）;
	if?（!result）
	{
		MessageBox（NULL?L“Initialize?Buffer?failure“?L“ERROR“?MB_OK）;
		return?false;
	}
		

		return?true;
}

void?BitmapClass::Shutdown（）
{
	ShutdownBuffer（）;
}


bool?BitmapClass::Render（ID3D11DeviceContext*?d3dDeviceContext）
{
	bool?result;

	result?=?UpdateBuffers（d3dDeviceContext）;
	if?（!result）
	{
		return?false;
	}
	//設置渲染管線的頂點緩存和索引緩存（IA階段）
	RenderBuffers（d3dDeviceContext）;
	return?true;
}

bool?BitmapClass::InitializeBuffer（ID3D11Device*?d3dDevice）
{
	Vertex*?vertexs=NULL;
	WORD*indices=NULL;??//一個字為兩個字節(jié)?

	mVertexCount?=?6;
	mIndexCount?=?6;

	//創(chuàng)建頂點數(shù)組
	vertexs?=?new?Vertex[mVertexCount];
	if?（!vertexs）
		return?false;

	//創(chuàng)建索引數(shù)組
	indices?=?new?WORD[mIndexCount];
	if?（!indices）
		return?false;
	
	//初始化頂點數(shù)組為0
	memset（vertexs?0?sizeof（Vertex）*mVertexCount）;


	//賦予索引數(shù)組數(shù)據(jù)
	//注意用左手定則判定是不是背面
	indices[0]?=?0;
	indices[1]?=?1;
	indices[2]?=?2;
	indices[3]?=?3;
	indices[4]?=?4;
	indices[5]?=?5;


	//第一填充（頂點）緩存形容結(jié)構(gòu)體和子資源數(shù)據(jù)結(jié)構(gòu)體并創(chuàng)建頂點緩存（這里用的是動態(tài)緩存）
	D3D11_BUFFER_DESC?vertexBufferDesc;
	vertexBufferDesc.Usage?=?D3D11_USAGE_DYNAMIC;
	vertexBufferDesc.ByteWidth?=?sizeof（Vertex）?*?mVertexCount;
	vertexBufferDesc.BindFlags?=?D3D11_BIND_VERTEX_BUFFER;
	vertexBufferDesc.CPUAccessFlags?=?D3D11_CPU_ACCESS_WRITE;
	vertexBufferDesc.MiscFlags?=?0;
	vertexBufferDesc.StructureByteStride?=?0;

	D3D11_SUBRESOURCE_DATA?vertexData;
	vertexData.pSysMem?=?vertexs;
	vertexData.SysMemPitch?=?0;
	vertexData.SysMemSlicePitch?=?0;
	HR（d3dDevice->CreateBuffer（&vertexBufferDesc?&vertexData?&md3dVertexBuffer））;

	//第二填充（索引）緩存形容結(jié)構(gòu)體和子資源數(shù)據(jù)結(jié)構(gòu)體并創(chuàng)建索引緩存
	D3D11_BUFFER_DESC??indexBufferDesc;
	indexBufferDesc.Usage?=?D3D11_USAGE_DEFAULT;
	indexBufferDesc.ByteWidth?=?sizeof（WORD）?*?mIndexCount;
	indexBufferDesc.BindFlags?=?D3D11_BIND_INDEX_BUFFER;
	indexBufferDesc.CPUAccessFlags?=?0;
	indexBufferDesc.MiscFlags?=?0;
	indexBufferDesc.StructureByteStride?=?0;

	D3D11_SUBRESOURCE_DATA?indexData;
	indexData.pSysMem?=?indices;
	indexData.SysMemPitch?=?0;
	indexData.SysMemSlicePitch?=?0;
????HR（d3dDevice->CreateBuffer（&indexBufferDesc?&indexData?&md3dIndexBuffer））;

	//釋放頂點數(shù)組和索引數(shù)組（這時數(shù)據(jù)已經(jīng)載入緩存不需要這些數(shù)組了）
	delete[]vertexs;
	vertexs?=?NULL;
	delete[]indices;
	indices?=?NULL;
	
	return?true;
}

void?BitmapClass::ShutdownBuffer（）
{
	//釋放頂點緩存和索引緩存
	ReleaseCOM（md3dIndexBuffer）;
	ReleaseCOM（md3dVertexBuffer）;



}

void?BitmapClass::RenderBuffers（ID3D11Devi

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1993??2016-11-15?21:19??LightShaderClass.h

?????文件????????228??2016-10-01?17:07??Macro.h

?????文件???????5955??2016-10-02?22:51??ModelClass.cpp

?????文件???????1617??2016-10-02?21:40??ModelClass.h

?????文件???????5840??2016-09-30?23:41??SystemClass.cpp

?????文件???????1196??2016-09-27?11:56??SystemClass.h

?????文件????????496??2016-10-01?17:12??TexClass.cpp

?????文件????????446??2016-10-01?17:11??TexClass.h

?????文件????????466??2016-09-27?11:37??源.cpp

?????文件???????1321??2016-11-15?20:44??MyShader\DefferredShader.fx

?????文件???????1707??2016-11-15?21:45??MyShader\LightShader.fx

?????文件???11635040??2016-10-03?01:58??Texture\food.dds

?????文件???????1427??2016-10-10?01:05??Txt\cube.txt

?????文件???????5445??2016-10-24?01:02??BitmapClass.cpp

?????文件???????1136??2016-10-23?17:50??BitmapClass.h

?????文件???????2468??2016-11-15?21:18??CameraClass.h

?????文件??????12421??2016-11-15?20:45??D3DClass.cpp

?????文件???????2289??2016-11-15?20:01??D3DClass.h

?????文件???????5432??2016-11-15?20:57??DefferredBufferClass.cpp

?????文件???????1097??2016-11-15?21:11??DefferredBufferClass.h

?????文件???????7582??2016-11-15?18:58??DefferredShaderClass.cpp

?????文件???????1707??2016-11-15?18:55??DefferredShaderClass.h

?????文件???????7186??2016-11-15?21:42??GraphicsClass.cpp

?????文件???????1292??2016-11-15?19:47??GraphicsClass.h

?????文件????????497??2016-09-27?11:27??InputClass.cpp

?????文件????????372??2016-09-27?11:11??InputClass.h

?????文件????????583??2016-10-03?02:10??LightClass.cpp

?????文件????????508??2016-10-03?02:09??LightClass.h

?????文件???????8695??2016-11-15?21:44??LightShaderClass.cpp

?????目錄??????????0??2016-11-15?21:45??MyShader

............此處省略5個文件信息