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2014/10/16 ¤W¤È 08:14:16

android Programming Glossary: gl.glclear

Android getOrientation() method returns bad results

http://stackoverflow.com/questions/10192057/android-getorientation-method-returns-bad-results

public void onDrawFrame GL10 gl gl.glPushMatrix gl.glClearColor 0 0 0 1.0f clipping backdrop color clear the color buffer.. the color buffer to show the ClearColor we called above... gl.glClear GL10.GL_COLOR_BUFFER_BIT set rotation gl.glRotatef _angleY..

What is the easiest way to draw line using OpenGL-ES (android)

http://stackoverflow.com/questions/16027455/what-is-the-easiest-way-to-draw-line-using-opengl-es-android

in opengl es prepared public void onDrawFrame GL10 gl gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT here i want..

Trying to draw textured triangles on device fails, but the emulator works. Why?

http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why

bitmap.recycle Here's how I am rendering the texture Clear gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT Enable vertex..

How to use onSensorChanged sensor data in combination with OpenGL

http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl

void onDrawFrame GL10 gl clear screen and color buffer gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT set target.. GL10 gl EGLConfig config gl.glDisable GL10.GL_DITHER gl.glClearColor 1 1 1 1 gl.glEnable GL10.GL_CULL_FACE gl.glShadeModel GL10.GL_SMOOTH..

Overlay images onto Camera preview SurfaceView

http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview

mCube new Cube public void onDrawFrame GL10 gl gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glMatrixMode.. GL10.GL_FASTEST if mTranslucentBackground gl.glClearColor 0 0 0 0 else gl.glClearColor 1 1 1 1 gl.glEnable GL10.GL_CULL_FACE.. if mTranslucentBackground gl.glClearColor 0 0 0 0 else gl.glClearColor 1 1 1 1 gl.glEnable GL10.GL_CULL_FACE gl.glShadeModel..

Using OpenGL to replace Canvas - Android

http://stackoverflow.com/questions/3597323/using-opengl-to-replace-canvas-android

GL10.GL_PERSPECTIVE_CORRECTION_HINT GL10.GL_FASTEST gl.glClearColor 0.5f 0.5f 0.5f 1 gl.glShadeModel GL10.GL_FLAT gl.glDisable.. gl.glDisable GL10.GL_DITHER gl.glDisable GL10.GL_LIGHTING gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT How would.. 0 public void onSurfaceCreated GL10 gl EGLConfig config gl.glClearColor 0.5f 0.5f 0.5f 1 gl.glHint GL10.GL_PERSPECTIVE_CORRECTION_HINT..

How to get rid of Jagged edges in Android OpenGL ES?

http://stackoverflow.com/questions/4934367/how-to-get-rid-of-jagged-edges-in-android-opengl-es

code public void onSurfaceCreated GL10 gl EGLConfig config gl.glClearColor 0.0f 0.0f 0.0f 0.5f gl.glShadeModel GL10.GL_SMOOTH gl.glClearDepthf.. 0.0f 0.0f 0.0f 0.5f gl.glShadeModel GL10.GL_SMOOTH gl.glClearDepthf 1.0f gl.glEnable GL10.GL_DEPTH_TEST gl.glDepthFunc GL10.GL_LEQUAL.. GL10.GL_NICEST public void onDrawFrame GL10 gl gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glLoadIdentity..

Problem drawing a sphere in OPENGL ES

http://stackoverflow.com/questions/6072308/problem-drawing-a-sphere-in-opengl-es

all the things required for openGL configurations gl.glClearColor 0.0f 0.0f 0.0f 0.0f gl.glHint GL10.GL_PERSPECTIVE_CORRECTION_HINT.. null fpsCalculator.countOnce write the drawing code needed gl.glClear GL10.GL_COLOR_BUFFER_BIT gl.glLoadIdentity Change this value..

Android OpenGL 3D picking

http://stackoverflow.com/questions/6699387/android-opengl-3d-picking

GL10.GL_LIGHTING Background drawing if customBackground gl.glClearColor backgroundRed backgroundGreen backgroundBlue 1.0f else.. backgroundRed backgroundGreen backgroundBlue 1.0f else gl.glClearColor 0.0f 0.0f 0.0f 1.0f if PointCloud.doneParsing true if.. setupEnvironment Clears the screen and depth buffer. gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glMatrixMode..

How to do Multisampling in Android OpenGL ES? [duplicate]

http://stackoverflow.com/questions/7379710/how-to-do-multisampling-in-android-opengl-es

void onSurfaceCreated GL10 gl EGLConfig config g10 gl gl.glClearColor 0f 0 0.0f 1.0f gl.glEnableClientState GL10.GL_VERTEX_ARRAY.. Antialias the lines public void draw GL10 gl gl.glClearColor 0f 0 0.0f 1.0f gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT.. public void draw GL10 gl gl.glClearColor 0f 0 0.0f 1.0f gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glTexEnvf..

Android getOrientation() method returns bad results

http://stackoverflow.com/questions/10192057/android-getorientation-method-returns-bad-results

gl.glEnableClientState GL10.GL_TEXTURE_COORD_ARRAY public void onDrawFrame GL10 gl gl.glPushMatrix gl.glClearColor 0 0 0 1.0f clipping backdrop color clear the color buffer to show the ClearColor we called above... gl.glClear GL10.GL_COLOR_BUFFER_BIT.. gl.glClearColor 0 0 0 1.0f clipping backdrop color clear the color buffer to show the ClearColor we called above... gl.glClear GL10.GL_COLOR_BUFFER_BIT set rotation gl.glRotatef _angleY 0f 1f 0f ROLL gl.glRotatef _angleX 1f 0f 0f ELEVATION gl.glRotatef..

What is the easiest way to draw line using OpenGL-ES (android)

http://stackoverflow.com/questions/16027455/what-is-the-easiest-way-to-draw-line-using-opengl-es-android

to draw line using OpenGL ES android If I have custom renderer in opengl es prepared public void onDrawFrame GL10 gl gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT here i want to draw line from 0 0 0 to 1 0 0 What is the easiest and shortest..

Trying to draw textured triangles on device fails, but the emulator works. Why?

http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why

GLUtils.texImage2D GL10.GL_TEXTURE_2D 0 bitmap 0 Clean up bitmap.recycle Here's how I am rendering the texture Clear gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT Enable vertex buffer gl.glEnableClientState GL10.GL_VERTEX_ARRAY gl.glEnableClientState..

How to use onSensorChanged sensor data in combination with OpenGL

http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl

EGL10.EGL_DEPTH_SIZE 16 EGL10.EGL_NONE return configSpec public void onDrawFrame GL10 gl clear screen and color buffer gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT set target matrix to modelview matrix gl.glMatrixMode GL10.GL_MODELVIEW.. gl.glFrustumf r r 1 1 1 10 public void onSurfaceCreated GL10 gl EGLConfig config gl.glDisable GL10.GL_DITHER gl.glClearColor 1 1 1 1 gl.glEnable GL10.GL_CULL_FACE gl.glShadeModel GL10.GL_SMOOTH gl.glEnable GL10.GL_DEPTH_TEST gl.glEnableClientState..

Overlay images onto Camera preview SurfaceView

http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview

mTranslucentBackground useTranslucentBackground mCube new Cube public void onDrawFrame GL10 gl gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glMatrixMode GL10.GL_MODELVIEW gl.glLoadIdentity gl.glTranslatef.. gl.glDisable GL10.GL_DITHER gl.glHint GL10.GL_PERSPECTIVE_CORRECTION_HINT GL10.GL_FASTEST if mTranslucentBackground gl.glClearColor 0 0 0 0 else gl.glClearColor 1 1 1 1 gl.glEnable GL10.GL_CULL_FACE gl.glShadeModel GL10.GL_SMOOTH gl.glEnable.. GL10.GL_PERSPECTIVE_CORRECTION_HINT GL10.GL_FASTEST if mTranslucentBackground gl.glClearColor 0 0 0 0 else gl.glClearColor 1 1 1 1 gl.glEnable GL10.GL_CULL_FACE gl.glShadeModel GL10.GL_SMOOTH gl.glEnable GL10.GL_DEPTH_TEST public void..

Using OpenGL to replace Canvas - Android

http://stackoverflow.com/questions/3597323/using-opengl-to-replace-canvas-android

public void onSurfaceCreated GL10 gl EGLConfig config gl.glHint GL10.GL_PERSPECTIVE_CORRECTION_HINT GL10.GL_FASTEST gl.glClearColor 0.5f 0.5f 0.5f 1 gl.glShadeModel GL10.GL_FLAT gl.glDisable GL10.GL_DEPTH_TEST gl.glEnable GL10.GL_TEXTURE_2D gl.glDisable.. GL10.GL_DEPTH_TEST gl.glEnable GL10.GL_TEXTURE_2D gl.glDisable GL10.GL_DITHER gl.glDisable GL10.GL_LIGHTING gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT How would I setup the renderer so that the translate transformation would.. gl.glLoadIdentity GLU.gluOrtho2D gl 0 mViewWidth mViewHeight 0 public void onSurfaceCreated GL10 gl EGLConfig config gl.glClearColor 0.5f 0.5f 0.5f 1 gl.glHint GL10.GL_PERSPECTIVE_CORRECTION_HINT GL10.GL_FASTEST gl.glShadeModel GL10.GL_FLAT gl.glDisable..

How to get rid of Jagged edges in Android OpenGL ES?

http://stackoverflow.com/questions/4934367/how-to-get-rid-of-jagged-edges-in-android-opengl-es

of Jagged edges in Android OpenGL ES I have the following code public void onSurfaceCreated GL10 gl EGLConfig config gl.glClearColor 0.0f 0.0f 0.0f 0.5f gl.glShadeModel GL10.GL_SMOOTH gl.glClearDepthf 1.0f gl.glEnable GL10.GL_DEPTH_TEST gl.glDepthFunc.. void onSurfaceCreated GL10 gl EGLConfig config gl.glClearColor 0.0f 0.0f 0.0f 0.5f gl.glShadeModel GL10.GL_SMOOTH gl.glClearDepthf 1.0f gl.glEnable GL10.GL_DEPTH_TEST gl.glDepthFunc GL10.GL_LEQUAL gl.glHint GL10.GL_PERSPECTIVE_CORRECTION_HINT GL10.GL_NICEST.. GL10.GL_NICEST gl.glHint GL10.GL_POLYGON_SMOOTH_HINT GL10.GL_NICEST public void onDrawFrame GL10 gl gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glLoadIdentity But still the edges are severely jagged in Android Emulator...

Problem drawing a sphere in OPENGL ES

http://stackoverflow.com/questions/6072308/problem-drawing-a-sphere-in-opengl-es

public void onSurfaceCreated GL10 gl EGLConfig config initialize all the things required for openGL configurations gl.glClearColor 0.0f 0.0f 0.0f 0.0f gl.glHint GL10.GL_PERSPECTIVE_CORRECTION_HINT GL10.GL_NICEST public void onDrawFrame GL10 gl if.. public void onDrawFrame GL10 gl if fpsCalculator null fpsCalculator.countOnce write the drawing code needed gl.glClear GL10.GL_COLOR_BUFFER_BIT gl.glLoadIdentity Change this value in z if you want to see the image zoomed in gl.glTranslatef..

Android OpenGL 3D picking

http://stackoverflow.com/questions/6699387/android-opengl-3d-picking

GL10.GL_COLOR_MATERIAL gl.glDisable GL10.GL_BLEND gl.glDisable GL10.GL_LIGHTING Background drawing if customBackground gl.glClearColor backgroundRed backgroundGreen backgroundBlue 1.0f else gl.glClearColor 0.0f 0.0f 0.0f 1.0f if PointCloud.doneParsing.. Background drawing if customBackground gl.glClearColor backgroundRed backgroundGreen backgroundBlue 1.0f else gl.glClearColor 0.0f 0.0f 0.0f 1.0f if PointCloud.doneParsing true if envDone false setupEnvironment Clears the screen and depth.. 0.0f 0.0f 1.0f if PointCloud.doneParsing true if envDone false setupEnvironment Clears the screen and depth buffer. gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glMatrixMode GL10.GL_PROJECTION gl.glLoadIdentity GLU.gluPerspective..

How to do Multisampling in Android OpenGL ES? [duplicate]

http://stackoverflow.com/questions/7379710/how-to-do-multisampling-in-android-opengl-es

it doesn't work no matter what I did. My code is public void onSurfaceCreated GL10 gl EGLConfig config g10 gl gl.glClearColor 0f 0 0.0f 1.0f gl.glEnableClientState GL10.GL_VERTEX_ARRAY gl.glEnableClientState GL10.GL_TEXTURE_COORD_ARRAY gl.glTexParameterx.. not square points gl.glHint GL10.GL_LINE_SMOOTH_HINT GL10.GL_NICEST Antialias the lines public void draw GL10 gl gl.glClearColor 0f 0 0.0f 1.0f gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glTexEnvf GL10.GL_TEXTURE_ENV GL10.GL_TEXTURE_ENV_MODE.. GL10.GL_LINE_SMOOTH_HINT GL10.GL_NICEST Antialias the lines public void draw GL10 gl gl.glClearColor 0f 0 0.0f 1.0f gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glTexEnvf GL10.GL_TEXTURE_ENV GL10.GL_TEXTURE_ENV_MODE GL10.GL_MODULATE..