direct3d

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Directly mapping texels to pixels (direct3d 9)

Document directory Summary Original article address: directly mapping texels to pixels (direct3d 9) When rendering 2D output using pre-transformed vertices, care must be taken to ensure that each Texel area correctly corresponds to a single pixel area, otherwise texture distortion can occur. by understanding the basics of the process that direct3d followsWhen rasterizing and texturing triangles, You ca

[Convert] direct3d 11 tessellation tutorial

The new hardware tessellation feature available on direct3d 11 video cards has great potential, but using it refreshing tively currently requires understanding higher-order surfaces as well as a myriad of performance implications. in addition to the Windows DirectX graphics documentation, here are a number of resources for learning more about using direct3d 11 tessellation: Giamefest 2008-

Direct3d: drawing pipeline

, which is called world transform ). Direct3d is transformed using the idirect3ddevice9: settransform method. 3. Observe the Coordinate System To simplify the operation, we transform the camera to the origin of the world coordinate system and rotate it so that the camera's optical axis is consistent with the Z axis of the world coordinate system. (Personal understanding: This is equivalent to looking at the Z axis from the coordinate origin of a per

direct3d-Index Cache

Direct3D Index cache is in fact the vertex cache on the basis of the fixed vertex connection, such as our plane has 4 points, respectively, and then left and right corner, and the lower left corner, starting from the upper left-hand side to give them the index in clockwise order 0,1,2,3. (These indexes are the order you set in the vertex structure). And then we're going to use these four points to draw a square. We only need to use index cache to lab

Window Direct3D Game Development Primer--bomb Games

(message);} game_run (window); } game_end ();Step Two: Game initializationThe game initialization process is primarily the initialization of the Direct3D, as well as the peripherals, while initializing the surface Initialize the version of Direct3D//Initialize Direct3D D3D = Direct3dcreate9 (d3d_sdk_version) According to the version number; Set the parameters of

One of DX notes --- direct3d Basics

I. Prerequisites 1. Surface The surface is a pixel matrix used by direct3d to store 2D image data. Width and height are measured in pixels, and pitch is measured in bytes. The interface idirect3dsurface is used to describe the surface. Lockrect: This method is used to obtain the pointer pointing to the surface storage area. You can perform read/write operations on each pixel through pointer operations; Unlockrect: Used in pairs. The call lock must

The last of WPF-GDI/GDI +, a feast of direct3d [zz]

What is GDI/GDI +? GDI is the main graphics library for Windows applications today. it provides 2D graphics and text functionality, as well as limited imaging functionality. there is some level of acceleration support in graphics cards for GDI, but it is almost negligible nowadays (especially when compared to the level of investment in direct3d acceleration ). GDI + was introduced around 2001 and it brought anti-aliased 2D graphics, floating point coo

The last of WPF-GDI/GDI +, a feast of direct3d [zz]

GDI/GDI +What is GDI is the main graphics library for Windows applications today. it provides 2D graphics and text functionality, as well as limited imaging functionality. there is some level of acceleration support in graphics cards for GDI, but it is almost negligible nowadays (especially when compared to the level of investment in direct3d acceleration ). GDI + was introduced around 2001 and it brought anti-aliased 2D graphics, floating point

MIP-mapping in direct3d

( parentTexture, u * 2 + 1, v * 2 ) + GetTexel( parentTexture, u * 2 , v * 2 + 1) + GetTexel( parentTexture, u * 2 + 1, v * 2 + 1);/* take the average */ texel /= 4; PutTexel( newTexture, u, v, texel); }/* make a link to the mip map */ parentTexture->mipMap = newTexture;/* recurse until we are done */ MakeMipMaps( newTexture); } The rendering pipeline Since this article is directed to people using direct3

Direct3d program debugging tool pix

A painless introduction to pix for Windows For those interested in game development technology, it's been a great week of product releases! Monday we saw the 1.0 Release of xNa game studio Express. wednesday brought the release of the December 2006 version of the DirectX SDK, which has des the product I work on, pix for Windows. friday, Visual Studio 2005 SP1 was released. congratulations to everyone involved with these products! I thought I 'd write a short introductory article on using pix f

Direct3d device lost)

1. When will the device be lost? A direct3d device has two statuses: operation or loss. Operation Status: Indicates the normal status of the device. The device runs as expected and can present all rendering effects. Loss status: All rendering operations quietly fail. idirect3ddevice9: Present returns the error code d3derr_devicelost. Check and help lost devices (direct3d 9) For more details. Let's briefly

Direct3D 11 Resource Introduction

Resources are the materials used to build scenarios. It contains most D3D data for parsing and rendering scenarios. A resource is a memory area, which can be accessed by the Direct3D pipeline. You can create a strongly-typed or non-typed resource, control whether the resource has both read and write access, and enable the resource to be accessed only by the CPU or GPU, or you can access both of them. Up to 128 resources are available in each pipeline

Differences between DirectX, direct3d, and OpenGL

DirectX, (Direct extension, dx) is a multimedia programming interface created by Microsoft. By C ++Programming LanguageAnd follow COM. DirectX is composed of many APIs. It is classified by nature and can be divided into four parts: Display, sound, input, and network. Display part The display part is the key to graph processing, including DirectDraw (ddraw) andDirect3d (d3d ),The former is mainly responsible for 2D image acceleration. It involves many aspects: We use ddraw for playing

How to render the "reprint" OLE Control in Direct3D

Original:how OLE controls are rendered in Direct3DGraphical drawing on Windows is based on GDI, and Direct3D is not, so there are a lot of problems in displaying some controls in Windows in a 3D windowSo what's the way to make GDI's content appear in 3D? Anyway, it's all images, there's always a way to achieve it!In the previous period of time in the research browser embedded in the game, the basic idea is to open a browsing window in the background,

Use direct3d to design fade-in and fade-out effects

DemoProgram: Http://download.csdn.net/detail/jiangcaiyang123/4156592 I have written an article about the effect of designing fade-in and fade-out with direct3d.ArticleNow, it seems to be a waste of time. More than a year later, I had a deep understanding of the principle of direct3d, coupled with some of my own experiments, and now finally achieved a fade-in and fade-out effect. To help speed up, I will simply put it. The color mixing operation

Direct3d vertex structure usage Summary

D3dfvf_psize Vertex format specified in point size. This size is expressed in camera space units for vertices that are not transformed and between, and in device-space units for transformed and beyond vertices. Float D3dfvf_specular Vertex format parameters des a specular color component. DWORD in argb order. SeeD3dcolor_argb. D3dfvf_xyz Vertex format parameters des the position of an untransformed vertex. This flag cannot be used with the d3dfvf_xyzrhw

Direct3d 10 System (IV)

Direct3d 10 System (IV) 5 core API and RuntimeWe set the API and runtime to two independent parts, but the complete Part: core API/runtime and the color language/status management system. We will introduce several important parts of the new runtime and the changes compared with the current system. The core API and runtime act as a thin abstraction layer on the hardware system and play the role of Low-overhead. The transformation of programmable pipeli

Get started with Direct3D VB.net Programming

I am a VB programmer. I have been developing database applications. After a long time, I feel bored and want to change my taste, but I have no time to learn and materials, I happened to see the learning experience written by others on CSDN, so I quickly entered the door. Good things are not exclusive. As I learned, I changed the original C # program to vb.net code, but the idea is the same and it is only for your reference. Imports Microsoft. DirectXImports Microsoft. DirectX.

Direct3d translucent Rendering

Purpose: Use direct3d to render image a translucent to image B. Steps: 1. Create a standard Win32 program and add the object definition and function declaration to be used: Ccomptr 2. Create the required object, that is, implement the CREATE (hwnd) function: Hresult create (hwnd) 3. Function for rendering image drawtexture: Hresult drawtexture (idirect3dtexture9 * ptexture, float fleft, float ftop, float fright, float fbottom, d3dcolor CLR) 4. s

Direct3d basics-material d3dmaterial9

The two main elements of illumination are the light source and the object's material. The material attribute of the object's surface determines the color of light it can reflect and the amount of light it can reflect. I. Definition of materials in direct3d Materials in d3d are represented by the d3dmaterial9 structure:Typedef struct d3dmaterial9 ...{ D3dcolorvalue diffuse; D3dcolorvalue ambient; D3dcolorvalue specular; D3dcolorvalue emissive; Float po

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