opengl es 2 0

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Operand of OpenGL es Shader language (Official document, chapter fifth)

+ u;Equivalent to:w.x = v.x + u.x;W.Y = V.y + u.y;W.z = v.z + u.z;This is a similar operation for most operators and for all integers, floating-point vectors, and matrix types. Exceptions are the multiplication of matrices and vectors, and the multiplication of matrices and matrices. Such as:(3) Multiply the vector by the matrix, and the result isVec3 V, u;MAT3 m;u = v * m;Equivalent to:u.x = Dot (V, m[0]); M[0

Android Study Notes-3D-(02)-OpenGL ES APIs

Common OpenGL ES APIs: Gl_triangle_strip: continuous triangle drawing Gl_triangle_fan: triangular slice Glclearcolor (0.f, 0.f, 0.f, 1.f); // set the background color of the mode window. The color is the rgba value. Glviewport (0

Draw a red triangle with OpenGL ES (1)

The following are all converted from the android game programming entry-level classic. For more information, see the source. OpenGL ES converts the coordinates of the points projected to the near-cropping surface into the pixel coordinates of the frame buffer using the viewport. You can use part or all of the frame buffer in the following method: Gl10.glviewport (int x, int y, int width, int height) The X

7 Steps OpenGL ES provides data for caching

OpenGL ES provides 7 steps for caching data:1. Generate Glgenbuffers ()--Request OpenGL ES generates a unique identifier for the graphics processor-controlled cache.2. Bind Glbindbuffer ()--tells OpenGL

Common OpenGL ES APIs

This is a document I have uploaded from http://seya.javaeye.com/blog/542343. it is quite useful! Common OpenGL ES APIs: Glclearcolor (0.f, 0.f, 0.f, 1.f); // set the background color of the mode window. The color is the rgba value. Glviewport (

Reproduced OpenGL es Shader language built-in function (Official document eighth chapter)

OpenGL ES coloring language defines a set of built-in convenience functions for scalar and vector operations. Some of the built-in functions can be used in multiple types of shaders, some for fixed hardware, so this part can only be used on a particular shader.The built-in functions can basically be divided into three categories:(1) They provide the necessary hardware functionality, such as material mapping

Android uses OpenGL ES to define image shapes

Defining shapes is often the first step to develop high-end graphics. You do not need to know how OpenGL ES wants you to define image objects when Drawing Images Using OpenGL ES. The following describes the coordination system related and screens, and defines shapes, such as triangles and circles. Define a triangle:

Android Interview Collection video OpenGL ES

1. How do I draw a triangle with OpenGL es? Write a class implement renderer interface, implement Ondrawframe method, Onsurfacechanged method, onsurfacecreated method Write a class triangle class, define fixed-point coordinates, load all vertex coordinates, call a gldrawarrays method of GL10 to draw a triangle Finally, call triangle.drawself in the overridden Ondrawframe method to actually

Android OpenGL ES concise development tutorial 05

The square shown in the previous example is white, which is not very attractive. This article describes how to add colors to mesh. OpenGL ES uses color as the well-known rgba mode (red, green, blue, transparency ). The definition of color usually uses the hex format 0xff00ff or the decimal format (255, 0, 255), but uses 0

IOS Platform Development OpenGL ES Program considerations

I recently went from OpenGL ES development of the Android platform to OpenGL ES Development on the iOS platform, so there are some differences in development due to the different platforms, and again the points to note.1. First, you need to understand the iOS main development framework, once again only to introduce the

Java implementation rendering instance _java based on OpenGL ES

This article illustrates the Java rendering method based on OpenGL ES. Share to everyone for your reference. Specifically as follows: 1. Run.java Documents: Package Net.obviam.opengl; Import android.app.Activity; Import Android.opengl.GLSurfaceView; Import Android.os.Bundle; Import Android.view.Window; Import Android.view.WindowManager; public class Run extends activity {/** The

OpenGL ES 2.0 Rendering pipeline

vertex shader and stores the color of each vertex. The main function of the 12-17 row is the entry for the vertex shader and the element shader, the 15th line reads the value of A_color in the vertex shader input property, assigns it to the output data v_color, the 16th line gl_position is the built-in varying variable, does not need to be declared, The vertex shader must assign the transformed position to it. 2. Entity assembly (Primitive Assembly)A

How to Learn OpenGL ES Technology

] Finally, thank you! ============= Solution 1 ====================== OpenGL programming guide OpenGL Computer Graphics These are enough. ============= Solution 2 ====================== There should be no book that writes OpenGL for Android. In fact, no matter what books you read, you must read the official doc

[Ityran original]iphone OpenGL ES shows one of the 3DS max models: obj format analysis

[Ityran original]iphone OpenGL ES shows one of 3DS max models: obj file format AnalysisYuezang-ityranIn iOS 3D development, it is often necessary to import a model generated from 3D design software such as 3DS Max. Because OpenGL ES cannot read these files directly, it is often necessary for developers to add interface

Android OpenGL ES (eight) draws point points:

(vertexarray.length*4); Vbb.order (Byteorder.nativeorder ()); Floatbuffer Vertex=Vbb.asfloatbuffer (); Vertex.put (Vertexarray); Vertex.position (0); GL.GLCOLOR4F (1.0f,0.0f,0.0f,1.0f); Gl.glpointsize (8f); Gl.glloadidentity (); Gl.gltranslatef (0,0, -4); Gl.glenableclientstate (Gl10.gl_vertex_array); Gl.glvertexpointer (3, Gl10.gl_float,0, vertex); Gl.gldrawarrays (Gl10.gl_points,

Build OpenGL ES 2.0 development environment under Win7

Http://codingnow.cn/opengles/1501.html===================================================================1. download the simulator for AMD's OpenGL ES2.0 :Http://www.opengles-book.com/ESEmulator.2009-04-28-v1.4.APRIL_2009_RELEASE.msi2. Download The example code from the OpenGL ES2.0 Programming Guide :Http://www.opengles-book.com/OpenGL_ES_Programming_Guide_v1.0.2.zip3. Install vs , the vs2012 is installed

OpenGL es--Bumper Car Case study

vehicles, collision treatment of vehicles and venues, and the modeling of automobiles. Then to introduce the first of our business code, rendering methods are in an inherited from the Glkviewcontroller controller to complete, the controller code is mainly to listen to the button click on the event Ah, as well as the settings when the rendering and the context of the settings ah and so on. The following is a simple introduction to the method in the controller. The setup function below is to conf

OpenGL ES 3.0 Fragment buffer Objects (FBO) detailed (i)

(Gl_framebuffer, UserData-FBO); //Setup Four output buffers and attach to FBOUserdata->textureheight = Userdata->texturewidth = -; Glgentextures (4, userdata->colortexid[0] ); for(i =0; I 4; ++i) {glbindtexture (gl_texture_2d, UserData-Colortexid[i]); Glteximage2d (gl_texture_2d,0, Gl_rgba, UserData->texturewidth, userdata->Textureheight,

OpenGL ES-must use a native order direct Buffer Solution

OpenGL ES is similarCode: 1) create three vertices PrivateIntbuffer triggerbuffer = intbuffer. Wrap (NewInt[] { 0, One,0, -One,-one,0, One,-one,0, }); 2) use triggerbuffer

Call-to-OpenGL ES API with no current context and fatal signal 11

Recently, when using cocos2dx3.4, a JNI call was used to discover a phenomenonWhen JNI is not used completely normal, all the text that uses JNI to go back becomes black block, and probability program crashes, comes with two logCall-to-OpenGL ES API with no current context and Fatal signal 11But the same cocos2dx, the same JNI code, the other project is normal. After a long search, I found the reason.COCOS2

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