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Managed directx 檢查硬件支持和實現全屏顯示

c#代碼:
//-----------------------------------------------------------------------------
//???????????Name:?dx9cs_fullscreen.cs
//?????????Author:?Kevin?Harris
//??Last?Modified:?06/15/05
//????Description:?This?sample?demonstrates?how?to?probe?the?hardware?for?
//?????????????????specific?Display?or?Adaptor?Modes?and?hardware?support?
//?????????????????suitable?for?a?full-screen?application?with?Direct3D.
//-----------------------------------------------------------------------------

using?System;
using?System.Drawing;
using?System.Windows.Forms;
using?Microsoft.DirectX;
using?Microsoft.DirectX.Direct3D;

namespace?DX9Sample
{
????
public?class?DX9Form?:?System.Windows.Forms.Form
????
{
????????
private?Device?d3dDevice?=?null;

????????
public?DX9Form()
????????
{
????????????
this.ClientSize?=?new?System.Drawing.Size(?640,?480?);
????????????
this.Text?=?"Direct3D?(DX9/C#)?-?Full?Screen";
????????????
this.SetStyle(?ControlStyles.AllPaintingInWmPaint?|?ControlStyles.Opaque,?true?);
????????}


????????
protected?override?void?OnPaint(System.Windows.Forms.PaintEventArgs?e)
????????
{
????????????
this.Render();
????????????
this.Invalidate();
????????}


????????
protected?override?void?OnKeyDown(System.Windows.Forms.KeyEventArgs?e)
????????
{
????????????
switch(?e.KeyCode?)
????????????
{
????????????????
case?System.Windows.Forms.Keys.Escape:
????????????????????
this.Dispose();
????????????????????
break;
????????????}

????????}


????????
protected?override?void?Dispose(bool?disposing)
????????
{
????????????
base.Dispose(?disposing?);
????????}


????????
static?void?Main()?
????????
{
????????????
using(?DX9Form?frm?=?new?DX9Form()?)
????????????
{
????????????????frm.Show();
????????????????frm.Init();
????????????????Application.Run(?frm?);
????????????}

????????}


????????
///?<summary>
????????
///?This?method?basically?creates?and?initialize?the?Direct3D?device?and
????????
///?anything?else?that?doens't?need?to?be?recreated?after?a?device?
????????
///?reset.
????????
///?</summary>

????????private?void?Init()
????????
{
????????????
//
????????????
//?For?each?adapter,?examine?all?of?its?display?modes?to?see?if?any?
????????????
//?of?them?can?give?us?the?hardware?support?we?desire.
????????????
//

????????????
bool?desiredAdapterModeFound?=?false;

????????????
//?For?each?Adapter
????????????foreach(?AdapterInformation?adapter?in?Manager.Adapters?)
????????????
{
????????????????
//?Examine?each?display?mode?available.
????????????????foreach(?DisplayMode?display?in?adapter.SupportedDisplayModes?)
????????????????
{
????????????????????
//?Does?this?adapter?mode?support?a?mode?of?640?x?480?
????????????????????if(?display.Width?!=?640?||?display.Height?!=?480?)
????????????????????????
continue;

????????????????????
//?Does?this?adapter?mode?support?a?32-bit?RGB?pixel?format?
????????????????????if(?display.Format?!=?Format.X8R8G8B8?)
????????????????????????
continue;

????????????????????
//?Does?this?adapter?mode?support?a?refresh?rate?of?75?MHz?
????????????????????if(?display.RefreshRate?!=?75?)
????????????????????????
continue;

????????????????????
//?We?found?a?match!
????????????????????desiredAdapterModeFound?=?true;
????????????????????
break;
????????????????}

????????????}


????????????
if(?desiredAdapterModeFound?==?false?)
????????????
{
????????????????
//?TO?DO:?Handle?lack?of?support?for?desired?adapter?mode
????????????????return;
????????????}


????????????
//
????????????
//?Here's?the?manual?way?of?verifying?hardware?support.
????????????
//

????????????
//?Can?we?get?a?32-bit?back?buffer?
????????????if(?!Manager.CheckDeviceType(?Manager.Adapters.Default.Adapter,?
??????????????????????????????????????????DeviceType.Hardware,
??????????????????????????????????????????Format.X8R8G8B8,
??????????????????????????????????????????Format.X8R8G8B8,
??????????????????????????????????????????
false)?)
????????????
{
????????????????
//?TO?DO:?Handle?lack?of?support?for?a?32-bit?back?buffer
????????????????return;
????????????}


????????????
//?Does?the?hardware?support?a?16-bit?z-buffer?
????????????if(?!Manager.CheckDeviceFormat(?Manager.Adapters.Default.Adapter,?
????????????????????????????????????????????DeviceType.Hardware,
????????????????????????????????????????????Manager.Adapters.Default.CurrentDisplayMode.Format,?
????????????????????????????????????????????Usage.DepthStencil,
????????????????????????????????????????????ResourceType.Surface,
????????????????????????????????????????????DepthFormat.D16?)?)
????????????
{
????????????????
//?POTENTIAL?PROBLEM:?We?need?at?least?a?16-bit?z-buffer!
????????????????return;
????????????}


????????????
//
????????????
//?Do?we?support?hardware?vertex?processing??if?so,?use?it.?
????????????
//?If?not,?downgrade?to?software.
????????????
//

????????????Caps?caps?
=?Manager.GetDeviceCaps(?Manager.Adapters.Default.Adapter,?
???????????????????????????????????????????????DeviceType.Hardware?);
????????????CreateFlags?flags;

????????????
if(?caps.DeviceCaps.SupportsHardwareTransformAndLight?)
????????????????flags?
=?CreateFlags.HardwareVertexProcessing;
????????????
else
????????????????flags?
=?CreateFlags.SoftwareVertexProcessing;

????????????
//
????????????
//?Everything?checks?out?-?create?a?simple,?full-screen?device.
????????????
//

????????????PresentParameters?d3dpp?
=?new?PresentParameters();

????????????d3dpp.Windowed???????????????
=?false;
????????????d3dpp.EnableAutoDepthStencil?
=?true;
????????????d3dpp.AutoDepthStencilFormat?
=?DepthFormat.D16;
????????????d3dpp.SwapEffect?????????????
=?SwapEffect.Discard;
????????????d3dpp.BackBufferWidth????????
=?640;
????????????d3dpp.BackBufferHeight???????
=?480;
????????????d3dpp.BackBufferFormat???????
=?Format.X8R8G8B8;
????????????d3dpp.PresentationInterval???
=?PresentInterval.Immediate;?

????????????d3dDevice?
=?new?Device(?0,?DeviceType.Hardware,?this,?flags,?d3dpp?);

????????????
//?Register?an?event-handler?for?DeviceReset?and?call?it?to?continue
????????????
//?our?setup.
????????????d3dDevice.DeviceReset?+=?new?System.EventHandler(?this.OnResetDevice?);
????????????OnResetDevice(?d3dDevice,?
null?);
????????}


????????
///?<summary>
????????
///?This?event-handler?is?a?good?place?to?create?and?initialize?any?
????????
///?Direct3D?related?objects,?which?may?become?invalid?during?a?
????????
///?device?reset.
????????
///?</summary>

????????public?void?OnResetDevice(object?sender,?EventArgs?e)
????????
{
????????????
//?This?sample?doens't?create?anything?that?requires?recreation?
????????????
//?after?the?DeviceReset?event.
????????}


????????
private?void?Render()
????????
{
????????????d3dDevice.Clear(?ClearFlags.Target?
|?ClearFlags.ZBuffer,?
?????????????????????????????Color.FromArgb(
255,?0,?255,?0),?1.0f,?0?);

????????????d3dDevice.BeginScene();
????????????
????????????
//?Render?geometry?here
????
????????????d3dDevice.EndScene();

????????????d3dDevice.Present();
????????}

????}

}

posted on 2006-06-22 16:08 夢在天涯 閱讀(958) 評論(1)  編輯 收藏 引用 所屬分類: DirectX

評論

# re: Managed directx 檢查硬件支持和實現全屏顯示 2010-06-08 17:43 ascu

您好,我拜讀完您的文章,有些問題想請教,因為最近正初學DirectX,而且需要用它來做個東西。首先我的問題是您的那個檢查硬件支持是檢查哪個方面的支持,為什么我運行此程序,他最后返回的是無硬件支持,即desiredAdapterModeFound == false,所以,我只能將其強制設置true,最后可以也可以正常運行,所以我想問檢查硬件有什么用。還有一個問題,具體的內容我在百度問了個問題http://zhidao.baidu.com/question/158001103.html麻煩您看一下,我很急需去解決這個問題,先謝謝您了。  回復  更多評論   

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