[HLSL] 간단한 삼각형 그리기

ㅇ hlsl.fx 파일

1 /// 세이더 소스
2
3 float4x4 WorldViewProj;
4
5 /// Vertex 입력 구조체 선언
6 struct VS_INPUT
7 {
8 float4 InPos : POSITION0;
9 };
10
11 /// Vertex 출력 구조체 선언
12 struct VS_OUTPUT
13 {
14 float4 OutPos : POSITION0; 15 };
16
17 VS_OUTPUT vs_main(VS_INPUT Input)
18 {
19 VS_OUTPUT Output;
20
21 Output.OutPos = mul(Input.InPos, WorldViewProj);
22
23 return (Output);
24 }
25
26 float4 ps_main() : COLOR0
27 {  
28 return( float4( 1.0f, 0.0f, 0.0f, 1.0f ) );
29
30 }
31
32 technique  TShader
33 {
34     pass P0
35     {
36         VertexShader = compile  vs_2_0  vs_main();
37         PixelShader  = compile  ps_2_0  ps_main();
38      }
39 }

ㅇ D3DX  초기화

1 /// 셰이더초기화   
2 void  D3DX::ShaderInii()
3 {
4     HRESULT hr;
5    /// 이펙트파일처리
6 LPD3DXBUFFER pErr = NULL;
7
8     /// 이펙트파일읽기
9
10     if( FAILED ( hr = D3DXCreateEffectFromFile( m_pd3dDevice, "hlsl.fx", NULL, NULL, 0, NULL, &m_pEffect, &pErr ) ) )
11     {
12         MessageBox( 0, "File Faild", "Error", 0 );
13         pErr->Release();
14         return ;
15     }
16
17     /// 테크닉선언
18     // TShader은hlsl.fx 파일안에서technique가TShader로되어있어야한다.
19     m_hTechnique = m_pEffect->GetTechniqueByName("TShader");
20
21     if ( pErr )  pErr->Release();
22
23 }
24
25 /// 세이더해체
26 void  D3DX::ShaderDelete()       
27 {
28     //if ( m_hmWVP != NULL)    { m_hmWVP = NULL; }
29     if ( m_hTechnique != NULL) { m_hTechnique = NULL; }
30     if ( m_pEffect != NULL ) { m_pEffect->Release();  m_pEffect = NULL; }
31 }
32
33 /// 세이더상수설정
34 void  D3DX::ShaderUpate()
35 {
36     D3DXMATRIX mat, _matWorld, _matView, _matProj;
37
38     m_pd3dDevice->GetTransform(D3DTS_WORLD,         &_matWorld);
39     m_pd3dDevice->GetTransform(D3DTS_VIEW ,         &_matView);
40     m_pd3dDevice->GetTransform(D3DTS_PROJECTION, &_matProj);
41    
42     mat =  _matWorld * _matView * _matProj;
43
44     m_pEffect->SetMatrix("WorldViewProj", &mat);
45    
46 }


ㅇ D3DX 렌더링 함수

1 void D3DX::Render()
2 {
3     /// 후면버퍼와Z버퍼초기화
4     m_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(200,200,200), 1.0f, 0 );
5
6    
7
8     /// 렌더링시작
9     if( SUCCEEDED( m_pd3dDevice->BeginScene() ) )
10     {   
11         Animate();
12
13          /// 세이더설정
14             m_pEffect->SetTechnique( m_hTechnique);
15             m_pEffect->Begin( 0, 0 );
16             m_pEffect->BeginPass(0);
17
18             m_pd3dDevice->SetStreamSource( 0, m_pSphereVB, 0 ,sizeof(D3DXVECTOR3));
19             m_pd3dDevice->SetFVF(D3DFVF_CUSTOMVERTEX);
20             m_pd3dDevice->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 3 );
21
22             /*m_pd3dDevice->SetStreamSource( 0, m_pSphereVB, 0, sizeof(FigureObjectODELVERTEX) );*/
23             //m_pd3dDevice->SetIndices(m_pSphereIB);
24             //m_pd3dDevice->DrawIndexedPrimitive( D3DPT_TRIANGLELIST,0,0,m_nVertexCount,  0,m_nIndexCount);
25
26             m_pEffect->EndPass();
27             m_pEffect->End();
28
29         // 렌더링종료
30         QueryPerformanceFPS();
31         DrawFont();
32         m_pd3dDevice->EndScene();
33     }
34
35    
36     /// 후면버퍼를보이는화면으로!
37     m_pd3dDevice->Present( NULL, NULL, NULL, NULL );
38 }


ㅇ 실행 결과