一个简单例子表示fixed functional VS/Assemble VS/HLSI VS的例子

一个简单例子表示fixed functional VS/Assemble VS/HLSI VS的例子(3) D3DVERTEXELEMENT9 decl[] =
{
 //for Position
 { 0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT,D3DDECLUSAGE_POSITION, 0 },

 // for color
 { 0, 12, D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT,D3DDECLUSAGE_COLOR, 0 },

 D3DDECL_END()
};

#if VS_TYPE == 1

// shader declaration
const char* strVertexShader = 

"vs_3_0 // version instruction\n"

// input register declaration
"dcl_position v0 // define position data in register v0\n"
"dcl_color v1 // define color\n"

// output  register declaration
"dcl_position0   o7 // \n"
"dcl_color o3 // output color\n"

// ALU(Shader function/function declaration)
"m4x4 o7, v0, c0 // transform vertices by world/view/projection matrix\n"
"mov o3, v1 //\n"
";//\n"
"";

LPDIRECT3DVERTEXSHADER9 g_pVS = NULL;

#endif

#if VS_TYPE == 2

const char* strVertexShader = // vertex shader declaration

"float4x4 WorldViewProj : WORLDVIEWPROJ;\n"
"struct VS_OUTPUT\n"
"{\n"
"float4 Pos : POSITION;\n"
"float4 Diff : COLOR0;\n"
"};\n"
"\n"
"VS_OUTPUT VS_Matrices(float4 inPos : POSITION,float4 inDiff : COLOR0)\n"
"{\n"
"VS_OUTPUT Out = (VS_OUTPUT)0;\n"
"\n"
" Out.Pos = mul(inPos, WorldViewProj);\n"
" Out.Diff = inDiff;\n"
" return Out;\n"
"}\n"
"";

LPDIRECT3DVERTEXSHADER9 g_pVS = NULL;

#endif

//-----------------------------------------------------------------------------
// Name: InitD3D()
// Desc: Initializes Direct3D
//-----------------------------------------------------------------------------
HRESULT InitD3D( HWND hWnd )
{
    // Create the D3D object.
    if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
        return E_FAIL;

    // Set up the structure used to create the D3DDevice
    D3DPRESENT_PARAMETERS d3dpp;