android.opengl.GLES30#glAttachShader

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

6 votes

static int linkProgramGLES30(
    final int vertShader,
    final int fragShader
) throws RuntimeException {
    int program = GLES30.glCreateProgram();
    if (program == 0) {
        throw new RuntimeException("Failed to create program");
    }
    GLES30.glAttachShader(program, vertShader);
    GLES30.glAttachShader(program, fragShader);
    GLES30.glLinkProgram(program);
    final int[] status = new int[1];
    GLES30.glGetProgramiv(program, GLES30.GL_LINK_STATUS, status, 0);
    if (status[0] == 0) {
        final String log = GLES30.glGetProgramInfoLog(program);
        GLES30.glDeleteProgram(program);
        throw new RuntimeException(log);
    }
    return program;
}

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

5 votes

/**
 * load, compile and link shader
 * @param vss source of vertex shader
 * @param fss source of fragment shader
 * @return
 */
public static int loadShader(final String vss, final String fss) {
	if (DEBUG) Log.v(TAG, "loadShader:");
	final int[] compiled = new int[1];
	// 頂点シェーダーをコンパイル
	final int vs = loadShader(GLES30.GL_VERTEX_SHADER, vss);
	if (vs == 0) {
		Log.d(TAG, "loadShader:failed to compile vertex shader,\n" + vss);
		return 0;
	}
	// フラグメントシェーダーをコンパイル
	int fs = loadShader(GLES30.GL_FRAGMENT_SHADER, fss);
	if (fs == 0) {
		Log.d(TAG, "loadShader:failed to compile fragment shader,\n" + fss);
		return 0;
	}
	// リンク
	final int program = GLES30.glCreateProgram();
	checkGlError("glCreateProgram");
	if (program == 0) {
		Log.e(TAG, "Could not create program");
	}
	GLES30.glAttachShader(program, vs);
	checkGlError("glAttachShader");
	GLES30.glAttachShader(program, fs);
	checkGlError("glAttachShader");
	GLES30.glLinkProgram(program);
	final int[] linkStatus = new int[1];
	GLES30.glGetProgramiv(program, GLES30.GL_LINK_STATUS, linkStatus, 0);
	if (linkStatus[0] != GLES30.GL_TRUE) {
		Log.e(TAG, "Could not link program: ");
		Log.e(TAG, GLES30.glGetProgramInfoLog(program));
		GLES30.glDeleteProgram(program);
		return 0;
	}
	return program;
}

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

5 votes

/**
 * Sets up the drawing object data for use in an OpenGL ES context.
 */
public Square() {
    // initialize vertex byte buffer for shape coordinates
    ByteBuffer bb = ByteBuffer.allocateDirect(
    // (# of coordinate values * 4 bytes per float)
            squareCoords.length * 4);
    bb.order(ByteOrder.nativeOrder());
    vertexBuffer = bb.asFloatBuffer();
    vertexBuffer.put(squareCoords);
    vertexBuffer.position(0);

    // initialize byte buffer for the draw list
    ByteBuffer dlb = ByteBuffer.allocateDirect(
            // (# of coordinate values * 2 bytes per short)
            drawOrder.length * 2);
    dlb.order(ByteOrder.nativeOrder());
    drawListBuffer = dlb.asShortBuffer();
    drawListBuffer.put(drawOrder);
    drawListBuffer.position(0);

    // prepare shaders and OpenGL program
    int vertexShader = MyGLRenderer.loadShader(
            GLES30.GL_VERTEX_SHADER,
            vertexShaderCode);
    int fragmentShader = MyGLRenderer.loadShader(
            GLES30.GL_FRAGMENT_SHADER,
            fragmentShaderCode);

    mProgram = GLES30.glCreateProgram();             // create empty OpenGL Program
    GLES30.glAttachShader(mProgram, vertexShader);   // add the vertex shader to program
    GLES30.glAttachShader(mProgram, fragmentShader); // add the fragment shader to program
    GLES30.glLinkProgram(mProgram);                  // create OpenGL program executables
}

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

5 votes

/**
 * Sets up the drawing object data for use in an OpenGL ES context.
 */
public Triangle() {
    // initialize vertex byte buffer for shape coordinates
    ByteBuffer bb = ByteBuffer.allocateDirect(
            // (number of coordinate values * 4 bytes per float)
            triangleCoords.length * 4);
    // use the device hardware's native byte order
    bb.order(ByteOrder.nativeOrder());

    // create a floating point buffer from the ByteBuffer
    vertexBuffer = bb.asFloatBuffer();
    // add the coordinates to the FloatBuffer
    vertexBuffer.put(triangleCoords);
    // set the buffer to read the first coordinate
    vertexBuffer.position(0);

    // prepare shaders and OpenGL program
    int vertexShader = MyGLRenderer.loadShader(
            GLES30.GL_VERTEX_SHADER, vertexShaderCode);
    int fragmentShader = MyGLRenderer.loadShader(
            GLES30.GL_FRAGMENT_SHADER, fragmentShaderCode);

    mProgram = GLES30.glCreateProgram();             // create empty OpenGL Program
    GLES30.glAttachShader(mProgram, vertexShader);   // add the vertex shader to program
    GLES30.glAttachShader(mProgram, fragmentShader); // add the fragment shader to program
    GLES30.glLinkProgram(mProgram);                  // create OpenGL program executables

}

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

4 votes

public Pyramid() {
    //first setup the mVertices correctly.
    mVertices = ByteBuffer
            .allocateDirect(mVerticesData.length * 4)
            .order(ByteOrder.nativeOrder())
            .asFloatBuffer()
            .put(mVerticesData);
    mVertices.position(0);

    //setup the shaders
    int vertexShader;
    int fragmentShader;
    int programObject;
    int[] linked = new int[1];

    // Load the vertex/fragment shaders
    vertexShader = myRenderer.LoadShader(GLES30.GL_VERTEX_SHADER, vShaderStr);
    fragmentShader = myRenderer.LoadShader(GLES30.GL_FRAGMENT_SHADER, fShaderStr);

    // Create the program object
    programObject = GLES30.glCreateProgram();

    if (programObject == 0) {
        Log.e(TAG, "So some kind of error, but what?");
        return;
    }

    GLES30.glAttachShader(programObject, vertexShader);
    GLES30.glAttachShader(programObject, fragmentShader);

    // Bind vPosition to attribute 0
    GLES30.glBindAttribLocation(programObject, 0, "vPosition");

    // Link the program
    GLES30.glLinkProgram(programObject);

    // Check the link status
    GLES30.glGetProgramiv(programObject, GLES30.GL_LINK_STATUS, linked, 0);

    if (linked[0] == 0) {
        Log.e(TAG, "Error linking program:");
        Log.e(TAG, GLES30.glGetProgramInfoLog(programObject));
        GLES30.glDeleteProgram(programObject);
        return;
    }

    // Store the program object
    mProgramObject = programObject;

    //now everything is setup and ready to draw.
}

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

4 votes

public void onSurfaceCreated(GL10 glUnused, EGLConfig config) {
    String vShaderStr =
            "#version 300 es 			  \n"
                    + "in vec4 vPosition;           \n"
                    + "void main()                  \n"
                    + "{                            \n"
                    + "   gl_Position = vPosition;  \n"
                    + "}                            \n";
    //a red ise 1.0, 0.0, 0.0, 1.0  but I prefer blue.
    String fShaderStr =
            "#version 300 es		 			          	\n"
                    + "precision mediump float;					  	\n"
                    + "out vec4 fragColor;	 			 		  	\n"
                    + "void main()                                  \n"
                    + "{                                            \n"
                    + "  fragColor = vec4 ( 0.0, 0.0, 1.0, 1.0 );	\n"
                    + "}                                            \n";

    int vertexShader;
    int fragmentShader;
    int programObject;
    int[] linked = new int[1];

    // Load the vertex/fragment shaders
    vertexShader = LoadShader(GLES30.GL_VERTEX_SHADER, vShaderStr);
    fragmentShader = LoadShader(GLES30.GL_FRAGMENT_SHADER, fShaderStr);

    // Create the program object
    programObject = GLES30.glCreateProgram();

    if (programObject == 0) {
        return;
    }

    GLES30.glAttachShader(programObject, vertexShader);
    GLES30.glAttachShader(programObject, fragmentShader);

    // Bind vPosition to attribute 0
    GLES30.glBindAttribLocation(programObject, 0, "vPosition");

    // Link the program
    GLES30.glLinkProgram(programObject);

    // Check the link status
    GLES30.glGetProgramiv(programObject, GLES30.GL_LINK_STATUS, linked, 0);

    if (linked[0] == 0) {
        Log.e(TAG, "Error linking program:");
        Log.e(TAG, GLES30.glGetProgramInfoLog(programObject));
        GLES30.glDeleteProgram(programObject);
        return;
    }

    // Store the program object
    mProgramObject = programObject;

    //set the clear buffer color to white.
    GLES30.glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
}

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

4 votes

public Cube() {
    //first setup the mVertices correctly.
    mVertices = ByteBuffer
            .allocateDirect(mVerticesData.length * 4)
            .order(ByteOrder.nativeOrder())
            .asFloatBuffer()
            .put(mVerticesData);
    mVertices.position(0);

    //setup the shaders
    int vertexShader;
    int fragmentShader;
    int programObject;
    int[] linked = new int[1];

    // Load the vertex/fragment shaders
    vertexShader = myRenderer.LoadShader(GLES30.GL_VERTEX_SHADER, vShaderStr);
    fragmentShader = myRenderer.LoadShader(GLES30.GL_FRAGMENT_SHADER, fShaderStr);

    // Create the program object
    programObject = GLES30.glCreateProgram();

    if (programObject == 0) {
        Log.e(TAG, "So some kind of error, but what?");
        return;
    }

    GLES30.glAttachShader(programObject, vertexShader);
    GLES30.glAttachShader(programObject, fragmentShader);

    // Bind vPosition to attribute 0
    GLES30.glBindAttribLocation(programObject, 0, "vPosition");

    // Link the program
    GLES30.glLinkProgram(programObject);

    // Check the link status
    GLES30.glGetProgramiv(programObject, GLES30.GL_LINK_STATUS, linked, 0);

    if (linked[0] == 0) {
        Log.e(TAG, "Error linking program:");
        Log.e(TAG, GLES30.glGetProgramInfoLog(programObject));
        GLES30.glDeleteProgram(programObject);
        return;
    }

    // Store the program object
    mProgramObject = programObject;

    //now everything is setup and ready to draw.
}

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

4 votes

public Cube() {
    //first setup the mVertices correctly.
    mVertices = ByteBuffer
            .allocateDirect(mVerticesData.length * 4)
            .order(ByteOrder.nativeOrder())
            .asFloatBuffer()
            .put(mVerticesData);
    mVertices.position(0);

    //setup the shaders
    int vertexShader;
    int fragmentShader;
    int programObject;
    int[] linked = new int[1];

    // Load the vertex/fragment shaders
    vertexShader = myRenderer.LoadShader(GLES30.GL_VERTEX_SHADER, vShaderStr);
    fragmentShader = myRenderer.LoadShader(GLES30.GL_FRAGMENT_SHADER, fShaderStr);

    // Create the program object
    programObject = GLES30.glCreateProgram();

    if (programObject == 0) {
        Log.e(TAG, "So some kind of error, but what?");
        return;
    }

    GLES30.glAttachShader(programObject, vertexShader);
    GLES30.glAttachShader(programObject, fragmentShader);

    // Bind vPosition to attribute 0
    GLES30.glBindAttribLocation(programObject, 0, "vPosition");

    // Link the program
    GLES30.glLinkProgram(programObject);

    // Check the link status
    GLES30.glGetProgramiv(programObject, GLES30.GL_LINK_STATUS, linked, 0);

    if (linked[0] == 0) {
        Log.e(TAG, "Error linking program:");
        Log.e(TAG, GLES30.glGetProgramInfoLog(programObject));
        GLES30.glDeleteProgram(programObject);
        return;
    }

    // Store the program object
    mProgramObject = programObject;

    //now everything is setup and ready to draw.
}

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