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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,

??????????????????????????????????????????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(947) 評論(1) 編輯收藏引用所屬分類: DirectX

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

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