DXUT实战2:HLSL(withoutEffect)+D3D9+DXUT(june_2010) .

不好意思,昨天<<Pro OGRE 3D Programming>>第4章没有搞定,本来想晚上搞出来,一起写博客的,但是最终还是睡觉去了,看来晚上真心不适合学新知识,还是写博客比较好!!!!

昨天用HLSLwithoutEffect和HLSLwithEffect重新写了那个三角形的例子,最终感觉HLSLwithEffect比较方便,可能以后写程序用Effect比较多,好了废话不多说了,直接上源码:

 

 

//--------------------------------------------------------------------------------------// File: control_color_by_using_HLSLwithoutEffects_DXUT(june_2010)_D3D9.cpp//// Copyright (c) Microsoft Corporation. All rights reserved.//--------------------------------------------------------------------------------------#include "DXUT.h"#include "DXUTgui.h"#include "SDKmisc.h"#include "resource.h"//--------------------------------------------------------------------------------------// UI control IDs//--------------------------------------------------------------------------------------#defineIDC_SLIDER_RED1#defineIDC_SLIDER_GREEN2#defineIDC_SLIDER_BLUE3#define IDC_STATIC_RED4#define IDC_STATIC_GREEN5#define IDC_STATIC_BLUE6//--------------------------------------------------------------------------------------// Global variables//--------------------------------------------------------------------------------------CDXUTDialogResourceManager g_dlg_resource_manager;CDXUTDialog g_control_dlg;int r,g,b;D3DXHANDLE g_hR = 0;D3DXHANDLE g_hG = 0;D3DXHANDLE g_hB = 0;// SceneLPDIRECT3DVERTEXBUFFER9 g_pVB = NULL;LPDIRECT3DVERTEXSHADER9 g_pVertexShader = NULL;LPD3DXCONSTANTTABLE             g_pConstantTable = NULL;//--------------------------------------------------------------------------------------// Rejects any D3D9 devices that aren't acceptable to the app by returning false//--------------------------------------------------------------------------------------bool CALLBACK IsD3D9DeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat, D3DFORMAT BackBufferFormat,                                      bool bWindowed, void* pUserContext ){    // Typically want to skip back buffer formats that don't support alpha blending    IDirect3D9* pD3D = DXUTGetD3D9Object();    if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,                                         AdapterFormat, D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING,                                         D3DRTYPE_TEXTURE, BackBufferFormat ) ) )        return false;    return true;}//--------------------------------------------------------------------------------------// Before a device is created, modify the device settings as needed//--------------------------------------------------------------------------------------bool CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings, void* pUserContext ){    return true;}//--------------------------------------------------------------------------------------// Create any D3D9 resources that will live through a device reset (D3DPOOL_MANAGED)// and aren't tied to the back buffer size//--------------------------------------------------------------------------------------HRESULT CALLBACK OnD3D9CreateDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc,                                     void* pUserContext ){HRESULT hr;V_RETURN(g_dlg_resource_manager.OnD3D9CreateDevice(pd3dDevice));// Create vertex shaderWCHAR strPath[512];    LPD3DXBUFFER pCode;// Find the vertex shader file    V_RETURN( DXUTFindDXSDKMediaFileCch( strPath, 512, L"myVertex.hlsl" ) );// Assemble the vertex shader from the file    V_RETURN( D3DXCompileShaderFromFile( strPath, NULL, NULL, "myVertexEntry",                                         "vs_2_0", D3DXSHADER_DEBUG, &pCode,                                         NULL, &g_pConstantTable ) );/*
 Flags—Optional compiling flags; specify 0 for no flags. Validoptions are: D3DXSHADER_DEBUG—Instructs the compiler to write debuginformation D3DXSHADER_SKIPVALIDATION—Instructs the compiler notto do any code validation. This should only be used when youare using a shader that is known to work. D3DXSHADER_SKIPOPTIMIZATION—Instructs the compilernot to perform any code optimization. In practice this wouldonly be used in debugging, where you would not want the compilerto alter the code in any way.*/// Create the vertex shaderhr = pd3dDevice->CreateVertexShader((DWORD*)pCode->GetBufferPointer(), &g_pVertexShader);pCode->Release();if( FAILED(hr))return DXTRACE_ERR( TEXT("CreateVertexShader"), hr);// Get handleg_hR = g_pConstantTable->GetConstantByName(0, "r");g_hG = g_pConstantTable->GetConstantByName(0, "g");g_hB = g_pConstantTable->GetConstantByName(0, "b");    return S_OK;   }struct MY_V3F{FLOAT x, y, z;};static HRESULT initVertexBuffer(IDirect3DDevice9* pd3dDevice){// Create and initialize vertex bufferstatic const MY_V3F triangleVertices[] = {    { -0.8f,  0.8f, 0.0f },    {  0.0f,  0.8f, 0.0f },    { -0.4f,  0.0f, 0.0f }  };  if (FAILED(pd3dDevice->CreateVertexBuffer(sizeof(triangleVertices),                                      0, D3DFVF_XYZ,                                      D3DPOOL_DEFAULT,                                      &g_pVB, NULL))) {    return E_FAIL;  }  void* pVertices;  if (FAILED(g_pVB->Lock(0, 0, /* map entire buffer */                                  &pVertices, 0))) {    return E_FAIL;  }  memcpy(pVertices, triangleVertices, sizeof(triangleVertices));  g_pVB->Unlock();}//--------------------------------------------------------------------------------------// Create any D3D9 resources that won't live through a device reset (D3DPOOL_DEFAULT) // or that are tied to the back buffer size //--------------------------------------------------------------------------------------HRESULT CALLBACK OnD3D9ResetDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc,                                    void* pUserContext ){HRESULT hr;V_RETURN(g_dlg_resource_manager.OnD3D9ResetDevice());pd3dDevice->SetRenderState(D3DRS_LIGHTING, FALSE);pd3dDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);g_control_dlg.SetLocation(pBackBufferSurfaceDesc->Width - 170, pBackBufferSurfaceDesc->Height - 350);g_control_dlg.SetSize(170, 300);return initVertexBuffer(pd3dDevice);}//--------------------------------------------------------------------------------------// Handle updates to the scene.  This is called regardless of which D3D API is used//--------------------------------------------------------------------------------------void CALLBACK OnFrameMove( double fTime, float fElapsedTime, void* pUserContext ){g_pConstantTable->SetFloat( DXUTGetD3D9Device() , g_hR, (float)r/255 );g_pConstantTable->SetFloat( DXUTGetD3D9Device() , g_hG, (float)g/255 );g_pConstantTable->SetFloat( DXUTGetD3D9Device() , g_hB, (float)b/255 );}//--------------------------------------------------------------------------------------// Render the scene using the D3D9 device//--------------------------------------------------------------------------------------void CALLBACK OnD3D9FrameRender( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext ){    HRESULT hr;    // Clear the render target and the zbuffer     V( pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_ARGB( 0, 45, 50, 170 ), 1.0f, 0 ) );    // Render the scene    if( SUCCEEDED( pd3dDevice->BeginScene() ) )    {/* Render the triangle. */pd3dDevice->SetVertexShader( g_pVertexShader );    pd3dDevice->SetStreamSource(0, g_pVB, 0, sizeof(MY_V3F));pd3dDevice->SetFVF(D3DFVF_XYZ);pd3dDevice->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 1);V(g_control_dlg.OnRender(fElapsedTime));        V( pd3dDevice->EndScene() );    }}//--------------------------------------------------------------------------------------// Handle messages to the application //--------------------------------------------------------------------------------------LRESULT CALLBACK MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam,                          bool* pbNoFurtherProcessing, void* pUserContext ){*pbNoFurtherProcessing = g_dlg_resource_manager.MsgProc(hWnd, uMsg, wParam, lParam);if(*pbNoFurtherProcessing)return 0;*pbNoFurtherProcessing = g_control_dlg.MsgProc(hWnd, uMsg, wParam, lParam);if(*pbNoFurtherProcessing)return 0;    return 0;}//--------------------------------------------------------------------------------------// Release D3D9 resources created in the OnD3D9ResetDevice callback //--------------------------------------------------------------------------------------void CALLBACK OnD3D9LostDevice( void* pUserContext ){g_dlg_resource_manager.OnD3D9LostDevice(); SAFE_RELEASE(g_pVB);}//--------------------------------------------------------------------------------------// Release D3D9 resources created in the OnD3D9CreateDevice callback //--------------------------------------------------------------------------------------void CALLBACK OnD3D9DestroyDevice( void* pUserContext ){g_dlg_resource_manager.OnD3D9DestroyDevice();SAFE_RELEASE(g_pVertexShader);SAFE_RELEASE(g_pConstantTable);}void CALLBACK OnGUIEvent(UINT event, int control_id, CDXUTControl* control, void* user_context){switch(control_id){case IDC_SLIDER_RED:{r = g_control_dlg.GetSlider(IDC_SLIDER_RED)->GetValue();CDXUTStatic* pStatic = g_control_dlg.GetStatic(IDC_STATIC_RED);if(pStatic){WCHAR wszText[128];swprintf_s( wszText, 128, L"R:%3d", r );pStatic->SetText( wszText );}break;}case IDC_SLIDER_GREEN:{g = g_control_dlg.GetSlider(IDC_SLIDER_GREEN)->GetValue();CDXUTStatic* pStatic = g_control_dlg.GetStatic(IDC_STATIC_GREEN);if(pStatic){WCHAR wszText[128];swprintf_s( wszText, 128, L"G:%3d", g );pStatic->SetText( wszText );}break;}case IDC_SLIDER_BLUE:b = g_control_dlg.GetSlider(IDC_SLIDER_BLUE)->GetValue();CDXUTStatic* pStatic = g_control_dlg.GetStatic(IDC_STATIC_BLUE);if(pStatic){WCHAR wszText[128];swprintf_s( wszText, 128, L"B:%3d", b );pStatic->SetText( wszText );}break;}}void InitDialogs(){g_control_dlg.Init(&g_dlg_resource_manager);int  y = 10,  height = 22;g_control_dlg.SetCallback(OnGUIEvent);g_control_dlg.AddStatic(IDC_STATIC_RED,L"R:100",10, y+24, 30, height);g_control_dlg.AddSlider(IDC_SLIDER_RED, 50, y += 24, 100, height);g_control_dlg.GetSlider(IDC_SLIDER_RED)->SetRange(0, 255);g_control_dlg.GetSlider(IDC_SLIDER_RED)->SetValue(100);r = 100;g_control_dlg.AddStatic(IDC_STATIC_GREEN,L"G:100",10, y+24, 30, height);g_control_dlg.AddSlider(IDC_SLIDER_GREEN, 50, y += 24, 100, height);g_control_dlg.GetSlider(IDC_SLIDER_GREEN)->SetRange(0, 255);g_control_dlg.GetSlider(IDC_SLIDER_GREEN)->SetValue(100);g = 100;g_control_dlg.AddStatic(IDC_STATIC_BLUE,L"B:100",10, y+24, 30, height);g_control_dlg.AddSlider(IDC_SLIDER_BLUE, 50, y += 24, 100, height);g_control_dlg.GetSlider(IDC_SLIDER_BLUE)->SetRange(0, 255);g_control_dlg.GetSlider(IDC_SLIDER_BLUE)->SetValue(100);b = 100;}//--------------------------------------------------------------------------------------// Initialize everything and go into a render loop//--------------------------------------------------------------------------------------INT WINAPI wWinMain( HINSTANCE, HINSTANCE, LPWSTR, int ){    // Enable run-time memory check for debug builds.#if defined(DEBUG) | defined(_DEBUG)    _CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );#endif    // Set the callback functions    DXUTSetCallbackD3D9DeviceAcceptable( IsD3D9DeviceAcceptable );    DXUTSetCallbackD3D9DeviceCreated( OnD3D9CreateDevice );    DXUTSetCallbackD3D9DeviceReset( OnD3D9ResetDevice );    DXUTSetCallbackD3D9FrameRender( OnD3D9FrameRender );    DXUTSetCallbackD3D9DeviceLost( OnD3D9LostDevice );    DXUTSetCallbackD3D9DeviceDestroyed( OnD3D9DestroyDevice );    DXUTSetCallbackDeviceChanging( ModifyDeviceSettings );    DXUTSetCallbackMsgProc( MsgProc );    DXUTSetCallbackFrameMove( OnFrameMove );    // TODO: Perform any application-level initialization hereInitDialogs();    // Initialize DXUT and create the desired Win32 window and Direct3D device for the application    DXUTInit( true, true ); // Parse the command line and show msgboxes    DXUTSetHotkeyHandling( true, true, true );  // handle the default hotkeys    DXUTSetCursorSettings( true, true ); // Show the cursor and clip it when in full screen    DXUTCreateWindow( L"control_color_by_using_HLSLwithoutEffects_DXUT(june_2010)_D3D9" );    DXUTCreateDevice( true, 400, 400 );    // Start the render loop    DXUTMainLoop();    // TODO: Perform any application-level cleanup here    return DXUTGetExitCode();}

/*--------------------------------------------------------------------------myVertex.hlsl -- the vertex shader controling the color of the triangle  (c) Seamanj.2013/7/10--------------------------------------------------------------------------*/struct VS_Output {  float4 position : POSITION;  float3 color    : COLOR;};//Global variablesfloat r,g,b;VS_Output myVertexEntry(float2 position : POSITION){  VS_Output OUT;  OUT.position = float4(position,0,1);  OUT.color = float3(r,g,b);  return OUT;}