Java Code Examples for android.opengl.GLES30#glClear()

The following examples show how to use android.opengl.GLES30#glClear() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: GLES30WallpaperRenderer.java From alynx-live-wallpaper with Apache License 2.0

6 votes

@Override
public void onDrawFrame(GL10 gl10) {
    if (surfaceTexture == null) {
        return;
    }

    if (renderedFrame < updatedFrame) {
        surfaceTexture.updateTexImage();
        ++renderedFrame;
        // Utils.debug(
        //     TAG, "renderedFrame: " + renderedFrame + " updatedFrame: " + updatedFrame
        // );
    }

    GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT);
    GLES30.glUseProgram(program);
    GLES30.glUniformMatrix4fv(mvpLocation, 1, false, mvp, 0);
    GLES30.glBindVertexArray(vertexArrays[0]);
    GLES30.glDrawElements(GLES30.GL_TRIANGLES, 6, GLES30.GL_UNSIGNED_INT, 0);
    GLES30.glBindVertexArray(0);
    GLES30.glUseProgram(0);
}

Example 2

Source File: HelloTriangleRenderer.java From opengl with Apache License 2.0

6 votes

public void onDrawFrame(GL10 glUnused) {
    // Set the viewport
    GLES30.glViewport(0, 0, mWidth, mHeight);

    // Clear the color buffer, which was set above in glClearColor
    GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT);

    // Use the program object
    GLES30.glUseProgram(mProgramObject);

    // Load the vertex data
    GLES30.glVertexAttribPointer(0, 3, GLES30.GL_FLOAT, false, 0, mVertices);
    //set the starting vertex at 0.
    GLES30.glEnableVertexAttribArray(0);

    //actually draw the traingle here
    GLES30.glDrawArrays(GLES30.GL_TRIANGLES, 0, 3);
}

Example 3

Source File: VideoSource.java From libcommon with Apache License 2.0

5 votes

/**
 * handleUpdateTexの下請け、ES3用
 */
protected void handleUpdateTexES3() {
	makeDefault();
	GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT);
	GLES30.glFlush();
	if (mInputTexture != null) {
		mInputTexture.updateTexImage();
		mInputTexture.getTransformMatrix(mTexMatrix);
		GLES30.glFlush();
		ThreadUtils.NoThrowSleep(0, 0);
		callOnFrameAvailable();
	}
}

Example 4

Source File: LessonOneRenderer.java From opengl with Apache License 2.0

5 votes

@Override
public void onDrawFrame(GL10 glUnused) 
{
	GLES30.glClear(GLES30.GL_DEPTH_BUFFER_BIT | GLES30.GL_COLOR_BUFFER_BIT);			        
               
       // Do a complete rotation every 10 seconds.
       long time = SystemClock.uptimeMillis() % 10000L;
       float angleInDegrees = (360.0f / 10000.0f) * ((int) time);
       
       // Draw the triangle facing straight on.
       Matrix.setIdentityM(mModelMatrix, 0);
       Matrix.rotateM(mModelMatrix, 0, angleInDegrees, 0.0f, 0.0f, 1.0f);        
       drawTriangle(mTriangle1Vertices);
       
       // Draw one translated a bit down and rotated to be flat on the ground.
       Matrix.setIdentityM(mModelMatrix, 0);
       Matrix.translateM(mModelMatrix, 0, 0.0f, -1.0f, 0.0f);
       Matrix.rotateM(mModelMatrix, 0, 90.0f, 1.0f, 0.0f, 0.0f);
       Matrix.rotateM(mModelMatrix, 0, angleInDegrees, 0.0f, 0.0f, 1.0f);        
       drawTriangle(mTriangle2Vertices);
       
       // Draw one translated a bit to the right and rotated to be facing to the left.
       Matrix.setIdentityM(mModelMatrix, 0);
       Matrix.translateM(mModelMatrix, 0, 1.0f, 0.0f, 0.0f);
       Matrix.rotateM(mModelMatrix, 0, 90.0f, 0.0f, 1.0f, 0.0f);
       Matrix.rotateM(mModelMatrix, 0, angleInDegrees, 0.0f, 0.0f, 1.0f);
       drawTriangle(mTriangle3Vertices);
}

Example 5

Source File: myRenderer.java From opengl with Apache License 2.0

5 votes

@Override
public void onDrawFrame(GL10 glUnused) {
    // Clear the color buffer  set above by glClearColor.
    GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT | GLES30.GL_DEPTH_BUFFER_BIT);

    //need this otherwise, it will over right stuff and the cube will look wrong!
    GLES30.glEnable(GLES30.GL_DEPTH_TEST);

    // Set the camera position (View matrix)  note Matrix is an include, not a declared method.
    Matrix.setLookAtM(mViewMatrix, 0, 0, 0, -3, 0f, 0f, 0f, 0f, 1.0f, 0.0f);

    // Create a rotation and translation for the cube
    Matrix.setIdentityM(mRotationMatrix, 0);

    //move the cube up/down and left/right
    Matrix.translateM(mRotationMatrix, 0, mTransX, mTransY, 0);

    //mangle is how fast, x,y,z which directions it rotates.
    Matrix.rotateM(mRotationMatrix, 0, mAngle, 0.4f, 1.0f, 0.6f);

    // combine the model with the view matrix
    Matrix.multiplyMM(mMVPMatrix, 0, mViewMatrix, 0, mRotationMatrix, 0);

    // combine the model-view with the projection matrix
    Matrix.multiplyMM(mMVPMatrix, 0, mProjectionMatrix, 0, mMVPMatrix, 0);

    mPyramid.draw(mMVPMatrix);

    //change the angle, so the cube will spin.
    mAngle+=.4;
}

Example 6

Source File: MyGLRenderer.java From opengl with Apache License 2.0

5 votes

@Override
public void onDrawFrame(GL10 unused) {
    float[] scratch = new float[16];

    // Draw background color
    GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT | GLES30.GL_DEPTH_BUFFER_BIT);

    // Set the camera position (View matrix)
    Matrix.setLookAtM(mViewMatrix, 0, 0, 0, -3, 0f, 0f, 0f, 0f, 1.0f, 0.0f);

    // Calculate the projection and view transformation
    Matrix.multiplyMM(mMVPMatrix, 0, mProjectionMatrix, 0, mViewMatrix, 0);

    // Draw square
    mSquare.draw(mMVPMatrix);

    // Create a rotation for the triangle

    // Use the following code to generate constant rotation.
    // Leave this code out when using TouchEvents.
    // long time = SystemClock.uptimeMillis() % 4000L;
    // float angle = 0.090f * ((int) time);

    Matrix.setRotateM(mRotationMatrix, 0, mAngle, 0, 0, 1.0f);

    // Combine the rotation matrix with the projection and camera view
    // Note that the mMVPMatrix factor *must be first* in order
    // for the matrix multiplication product to be correct.
    Matrix.multiplyMM(scratch, 0, mMVPMatrix, 0, mRotationMatrix, 0);

    // Draw triangle
    mTriangle.draw(scratch);
}

Example 7

Source File: LessonOneRenderer.java From opengl with Apache License 2.0

5 votes

@Override
public void onDrawFrame(GL10 glUnused) 
{
	GLES30.glClear(GLES30.GL_DEPTH_BUFFER_BIT | GLES30.GL_COLOR_BUFFER_BIT);			        
               
       // Do a complete rotation every 10 seconds.
       long time = SystemClock.uptimeMillis() % 10000L;
       float angleInDegrees = (360.0f / 10000.0f) * ((int) time);
       
       // Draw the triangle facing straight on.
       Matrix.setIdentityM(mModelMatrix, 0);
       Matrix.rotateM(mModelMatrix, 0, angleInDegrees, 0.0f, 0.0f, 1.0f);        
       drawTriangle(mTriangle1Vertices);
       
       // Draw one translated a bit down and rotated to be flat on the ground.
       Matrix.setIdentityM(mModelMatrix, 0);
       Matrix.translateM(mModelMatrix, 0, 0.0f, -1.0f, 0.0f);
       Matrix.rotateM(mModelMatrix, 0, 90.0f, 1.0f, 0.0f, 0.0f);
       Matrix.rotateM(mModelMatrix, 0, angleInDegrees, 0.0f, 0.0f, 1.0f);        
       drawTriangle(mTriangle2Vertices);
       
       // Draw one translated a bit to the right and rotated to be facing to the left.
       Matrix.setIdentityM(mModelMatrix, 0);
       Matrix.translateM(mModelMatrix, 0, 1.0f, 0.0f, 0.0f);
       Matrix.rotateM(mModelMatrix, 0, 90.0f, 0.0f, 1.0f, 0.0f);
       Matrix.rotateM(mModelMatrix, 0, angleInDegrees, 0.0f, 0.0f, 1.0f);
       drawTriangle(mTriangle3Vertices);
}

Example 8

Source File: myRenderer.java From opengl with Apache License 2.0

3 votes

public void onDrawFrame(GL10 glUnused) {


        // Clear the color buffer  set above by glClearColor.
        GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT | GLES30.GL_DEPTH_BUFFER_BIT);

        //need this otherwise, it will over right stuff and the cube will look wrong!
        GLES30.glEnable(GLES30.GL_DEPTH_TEST);

        // Set the camera position (View matrix)  note Matrix is an include, not a declared method.
        Matrix.setLookAtM(mViewMatrix, 0, 0, 0, -3, 0f, 0f, 0f, 0f, 1.0f, 0.0f);

        // Create a rotation and translation for the cube
        Matrix.setIdentityM(mRotationMatrix, 0);

        //move the cube up/down and left/right
        Matrix.translateM(mRotationMatrix, 0, mTransX, mTransY, 0);

        //mangle is how fast, x,y,z which directions it rotates.
        Matrix.rotateM(mRotationMatrix, 0, mAngle, 1.0f, 1.0f, 1.0f);

        // combine the model with the view matrix
        Matrix.multiplyMM(mMVPMatrix, 0, mViewMatrix, 0, mRotationMatrix, 0);

        // combine the model-view with the projection matrix
        Matrix.multiplyMM(mMVPMatrix, 0, mProjectionMatrix, 0, mMVPMatrix, 0);

        mCube.draw(mMVPMatrix);

        //change the angle, so the cube will spin.
        mAngle+=.4;

    }

Example 9

Source File: myRenderer.java From opengl with Apache License 2.0

3 votes

public void onDrawFrame(GL10 glUnused) {

        // Clear the color buffer  set above by glClearColor.
        GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT | GLES30.GL_DEPTH_BUFFER_BIT);

        //need this otherwise, it will over right stuff and the cube will look wrong!
        GLES30.glEnable(GLES30.GL_DEPTH_TEST);

        // Set the camera position (View matrix)  note Matrix is an include, not a declared method.
        Matrix.setLookAtM(mViewMatrix, 0, 0, 0, -3, 0f, 0f, 0f, 0f, 1.0f, 0.0f);

        // Create a rotation and translation for the cube
        Matrix.setIdentityM(mRotationMatrix, 0);

        //move the cube up/down and left/right
        Matrix.translateM(mRotationMatrix, 0, mTransX, mTransY, 0);

        //mangle is how fast, x,y,z which directions it rotates.
        Matrix.rotateM(mRotationMatrix, 0, mAngle, 1.0f, 1.0f, 1.0f);

        // combine the model with the view matrix
        Matrix.multiplyMM(mMVPMatrix, 0, mViewMatrix, 0, mRotationMatrix, 0);

        // combine the model-view with the projection matrix
        Matrix.multiplyMM(mMVPMatrix, 0, mProjectionMatrix, 0, mMVPMatrix, 0);

        mCube.draw(mMVPMatrix);

        //change the angle, so the cube will spin.
        mAngle+=.4;

    }