1. Initializing Direct3D

1.1. Initialization Step

1.2. Purpose of the IDirect3D8 Object

1.3. Creating IDirect3D8 Object

1.4. Examining Capabilities

1.4.1. Adapter
1.4.2. Device Type

1.5. Display Format

1.6. Enumeration Display Mode

1.6.1. Looking at Adapter Display Modes
1.6.2. Getting the Current Display Mode

2. Checking For Compatible Formats

2.1. Checking Resource Formats
2.2. Checking Support

1. Initializing Direct3D ¶

1.1. Initialization Step ¶

IDirect3D8 객�� .
�� IDirect3D8 객�� , �� 고��.
�� .
IDirect3DDevice8 객�� 고 ��기��.
�� 게�� .
��게 ��고 �� 간�� . -_-;;

1.2. Purpose of the IDirect3D8 Object ¶

�� 간��. IDirect3DDevice8 객�� 기 �� "꼭" ��기 �� . �� 객�� 기�� .

1.3. Creating IDirect3D8 Object ¶

그�� . �� .

~cpp 
IDirect3D8* Direct3DCreate8 (
  UINT SDKVersion;
);

IN �� SDKVersion�� SDK�� . 8.0 ��게 �� . �� .

~cpp 
IDirect3D8* pd3d = NULL; // ������������ ���개 ������������
pd3d = Direct3DCreate8( D3D_SDK_VERSION ); // ������게 ������������.
///// ��������������� ������게
if( pd3d )
{
  pd3d->Release();
  pd3d = NULL;
}

1.4. Examining Capabilities ¶

�� 갖고 ��. 과�� 그 �� 꼭 ��.

1.4.1. Adapter ¶

�� 그��(Adapter)�� 개 �� 거�� 각��, ��

~cpp 
UINT IDirect3D8::GetAdapterCount();

RET ��개�� . 1개�� 1, 2개�� 2��.

�� . �� 0, �� 1, �� . 0�� 기�� 기 �� . D3DADAPTER_DEFAULT ��. 0�� 기�� 고�� .

그 �� 까

~cpp 
HRESULT GetAdapterIdentifier {
  UINT Adapter,
  DWORD Flags,
  D3DADAPTER_IDENTIFIER8* pIdentifier
};

RET HRESULT�� 값�� . ��공�� D3D_OK, �� D3D_INVALIDCALL�� .
IN �� , �� . �� D3DADAPTER_DEFAULT�� .
IN �� 그��. 0�� D3D_ENUM_NO_WHQL_LEVEL�� , ��개 0�� .
OUT �� 값��. 그곳�� 과 ��.

~cpp 
    Driver : ��������������� ������
    Description : ������������ ������
    DriverVersion : ��������������� ������
    VendorID, DeviceID, SubSysID, Revision : ������������ ���������
    DeviceIdentifier : ��������������� ������������ ������ GUID(?)
    WHQLLevel : ������������

1.4.2. Device Type ¶

�� .

~cpp 
HRESULT GetDeviceCaps(
  UINT Adapter,
  D3DDEVTYPE DeviceType,
  D3DCAPS8* pCaps
);

�� . (2�� 값�� .)

D3DDEVTYPE_HAL : �� 기�� .
D3DDEVTYPE_REF : HAL ��
D3DDEVTYPE_SW : �� 고 ��

1.5. Display Format ¶

�� D3DFORMAT�� . A,R,G,B �� 값�� 갖�� 게 �� .
�� MSDN��,

32�� D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8 �� .
24�� D3DFMT_R8G8B8 �� .
16�� D3DFMT_R5G6B5, D3DFMT_X1R5G5B5, D3DFMT_A1R5G5B5, D3DFMT_A4R4G4B4 �� .

1.6. Enumeration Display Mode ¶

1.6.1. Looking at Adapter Display Modes ¶

�� . ��

~cpp 
UINT IDirect3D8::GetAdapterModeCount(
  UINT Adapter;
);

Adapter�� (D3DADAPTER_DEFAULT)�� . ��값�� 개��

�� 게 ��

~cpp 
HRESULT IDirect3D8::EnumAdapterModes(
  UINT Adapter,
  UINT Mode,
  D3DDISPLAYMODE* pMode
);

Adapter�� , Mode�� (0 ~ GetAdapterModeCount() - 1�� )�� .
pMode�� 그 �� .

~cpp 
  Width : ��������
  Height : ���������
  RefreshRate : ���������
  Format : ������(��������� ���������)

1.6.2. Getting the Current Display Mode ¶