android.opengl.GLES20#glLinkProgram

Source File: Triangle.java From Android-9-Development-Cookbook with MIT License

6 votes

public Triangle() {
    int vertexShader = loadShader(
            GLES20.GL_VERTEX_SHADER,
            vertexShaderCode);
    int fragmentShader = loadShader(
            GLES20.GL_FRAGMENT_SHADER,
            fragmentShaderCode);
    mProgram = GLES20.glCreateProgram();
    GLES20.glAttachShader(mProgram, vertexShader);
    GLES20.glAttachShader(mProgram, fragmentShader);
    GLES20.glLinkProgram(mProgram);

    ByteBuffer bb = ByteBuffer.allocateDirect(
            triangleCoords.length * 4);
    bb.order(ByteOrder.nativeOrder());

    vertexBuffer = bb.asFloatBuffer();
    vertexBuffer.put(triangleCoords);
    vertexBuffer.position(0);
}

Source File: EglUtil.java From SimpleVideoEdit with Apache License 2.0

6 votes

public static int createProgram(final int vertexShader, final int pixelShader) throws GLException {
    // create empty OpenGL ES Program, store the id in program
    final int program = glCreateProgram();
    if (program == 0) {
        throw new RuntimeException("Could not create program");
    }

    // add the vertex shader to program
    GLES20.glAttachShader(program, vertexShader);
    // add the fragment shader to program
    GLES20.glAttachShader(program, pixelShader);
    // creates OpenGL ES program executables
    GLES20.glLinkProgram(program);
    final int[] linkStatus = new int[1];
    GLES20.glGetProgramiv(program, GL_LINK_STATUS, linkStatus, 0);
    if (linkStatus[0] != GL_TRUE) {
        GLES20.glDeleteProgram(program);
        throw new RuntimeException("Could not link program");
    }
    return program;
}

Source File: PointCloudRenderer.java From justaline-android with Apache License 2.0

5 votes

/**
 * Allocates and initializes OpenGL resources needed by the plane renderer. Must be called on the
 * OpenGL thread, typically in {@link GLSurfaceView.Renderer#onSurfaceCreated(GL10, EGLConfig)}.
 *
 * @param context Needed to access shader source.
 */
public void createOnGlThread(Context context) {
    ShaderUtil.checkGLError(TAG, "before create");

    int[] buffers = new int[1];
    GLES20.glGenBuffers(1, buffers, 0);
    vbo = buffers[0];
    GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, vbo);

    vboSize = INITIAL_BUFFER_POINTS * BYTES_PER_POINT;
    GLES20.glBufferData(GLES20.GL_ARRAY_BUFFER, vboSize, null, GLES20.GL_DYNAMIC_DRAW);
    GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);

    ShaderUtil.checkGLError(TAG, "buffer alloc");

    int vertexShader =
            ShaderUtil.loadGLShader(TAG, context, GLES20.GL_VERTEX_SHADER, R.raw.point_cloud_vertex);
    int passthroughShader =
            ShaderUtil.loadGLShader(
                    TAG, context, GLES20.GL_FRAGMENT_SHADER, R.raw.passthrough_fragment);

    programName = GLES20.glCreateProgram();
    GLES20.glAttachShader(programName, vertexShader);
    GLES20.glAttachShader(programName, passthroughShader);
    GLES20.glLinkProgram(programName);
    GLES20.glUseProgram(programName);

    ShaderUtil.checkGLError(TAG, "program");

    positionAttribute = GLES20.glGetAttribLocation(programName, "a_Position");
    colorUniform = GLES20.glGetUniformLocation(programName, "u_Color");
    modelViewProjectionUniform = GLES20.glGetUniformLocation(programName, "u_ModelViewProjection");
    pointSizeUniform = GLES20.glGetUniformLocation(programName, "u_PointSize");

    ShaderUtil.checkGLError(TAG, "program  params");
}

Source File: ShaderProgram.java From tilt-game-android with MIT License

5 votes

protected void link(final GLState pGLState) throws ShaderProgramLinkException {
	GLES20.glLinkProgram(this.mProgramID);

	GLES20.glGetProgramiv(this.mProgramID, GLES20.GL_LINK_STATUS, ShaderProgram.HARDWAREID_CONTAINER, 0);
	if (ShaderProgram.HARDWAREID_CONTAINER[0] == 0) {
		throw new ShaderProgramLinkException(GLES20.glGetProgramInfoLog(this.mProgramID));
	}

	this.initAttributeLocations();
	this.initUniformLocations();

	this.mCompiled = true;
}

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

5 votes

public static int loadProgram(String vSource, String fSource) {
    int iVShader;
    int iFShader;
    int iProgram;
    int[] link = new int[1];
    iVShader = loadShader(vSource, GLES20.GL_VERTEX_SHADER);
    if (iVShader == 0) {
        Log.d(TAG, "Load Vertex Shader Failed");
        return 0;
    }
    iFShader = loadShader(fSource, GLES20.GL_FRAGMENT_SHADER);
    if (iFShader == 0) {
        Log.d(TAG, ":Load Fragment Shader Failed");
        return 0;
    }
    iProgram = GLES20.glCreateProgram();
    GLES20.glAttachShader(iProgram, iVShader);
    checkGlError("");
    GLES20.glAttachShader(iProgram, iFShader);
    checkGlError("");
    GLES20.glLinkProgram(iProgram);
    checkGlError("");
    GLES20.glGetProgramiv(iProgram, GLES20.GL_LINK_STATUS, link, 0);
    if (link[0] <= 0) {
        Log.d(TAG, "Linking Failed");
        return 0;
    }
    GLES20.glDeleteShader(iVShader);
    checkGlError("");

    GLES20.glDeleteShader(iFShader);
    checkGlError("");

    return iProgram;
}

Source File: FrameRenderer.java From DanDanPlayForAndroid with MIT License

5 votes

@Override
public void onSurfaceCreated() {
  // Create the GL program.
  program = GLES20.glCreateProgram();

  // Add the vertex and fragment shaders.
  addShader(GLES20.GL_VERTEX_SHADER, VERTEX_SHADER, program);
  addShader(GLES20.GL_FRAGMENT_SHADER, FRAGMENT_SHADER, program);

  // Link the GL program.
  GLES20.glLinkProgram(program);
  int[] result = new int[]{
          GLES20.GL_FALSE
  };
  result[0] = GLES20.GL_FALSE;
  GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, result, 0);
  abortUnless(result[0] == GLES20.GL_TRUE, GLES20.glGetProgramInfoLog(program));
  GLES20.glUseProgram(program);
  int posLocation = GLES20.glGetAttribLocation(program, "in_pos");
  GLES20.glEnableVertexAttribArray(posLocation);
  GLES20.glVertexAttribPointer(
          posLocation, 2, GLES20.GL_FLOAT, false, 0, TEXTURE_VERTICES);
  texLocation = GLES20.glGetAttribLocation(program, "in_tc");
  GLES20.glEnableVertexAttribArray(texLocation);
  checkNoGLES2Error();
  bitDepthLocation = GLES20.glGetUniformLocation(program, "bitDepth");
  checkNoGLES2Error();
  colorMatrixLocation = GLES20.glGetUniformLocation(program, "mColorConversion");
  checkNoGLES2Error();
  setupTextures();
  checkNoGLES2Error();
}

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(
            GLES20.GL_VERTEX_SHADER,
            vertexShaderCode);
    int fragmentShader = MyGLRenderer.loadShader(
            GLES20.GL_FRAGMENT_SHADER,
            fragmentShaderCode);

    mProgram = GLES20.glCreateProgram();             // create empty OpenGL Program
    GLES20.glAttachShader(mProgram, vertexShader);   // add the vertex shader to program
    GLES20.glAttachShader(mProgram, fragmentShader); // add the fragment shader to program
    GLES20.glLinkProgram(mProgram);                  // create OpenGL program executables
}

Source File: GLDrawer2D.java From AudioVideoRecordingSample 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:");
	int vs = GLES20.glCreateShader(GLES20.GL_VERTEX_SHADER);
	GLES20.glShaderSource(vs, vss);
	GLES20.glCompileShader(vs);
	final int[] compiled = new int[1];
	GLES20.glGetShaderiv(vs, GLES20.GL_COMPILE_STATUS, compiled, 0);
	if (compiled[0] == 0) {
		if (DEBUG) Log.e(TAG, "Failed to compile vertex shader:"
				+ GLES20.glGetShaderInfoLog(vs));
		GLES20.glDeleteShader(vs);
		vs = 0;
	}

	int fs = GLES20.glCreateShader(GLES20.GL_FRAGMENT_SHADER);
	GLES20.glShaderSource(fs, fss);
	GLES20.glCompileShader(fs);
	GLES20.glGetShaderiv(fs, GLES20.GL_COMPILE_STATUS, compiled, 0);
	if (compiled[0] == 0) {
		if (DEBUG) Log.w(TAG, "Failed to compile fragment shader:"
			+ GLES20.glGetShaderInfoLog(fs));
		GLES20.glDeleteShader(fs);
		fs = 0;
	}

	final int program = GLES20.glCreateProgram();
	GLES20.glAttachShader(program, vs);
	GLES20.glAttachShader(program, fs);
	GLES20.glLinkProgram(program);

	return program;
}

Source File: GlUtil.java From ShapesInOpenGLES2.0 with MIT License

5 votes

/**
 * Creates a new program from the supplied vertex and fragment shaders.
 *
 * @return A handle to the program, or 0 on failure.
 */
public static int createProgram(String vertexSource, String fragmentSource) {
    int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexSource);
    if (vertexShader == 0) {
        return 0;
    }
    int pixelShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentSource);
    if (pixelShader == 0) {
        return 0;
    }

    int program = GLES20.glCreateProgram();
    checkGlError("glCreateProgram");
    if (program == 0) {
        Log.e(TAG, "Could not create program");
    }
    GLES20.glAttachShader(program, vertexShader);
    checkGlError("glAttachShader");
    GLES20.glAttachShader(program, pixelShader);
    checkGlError("glAttachShader");
    GLES20.glLinkProgram(program);
    int[] linkStatus = new int[1];
    GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, linkStatus, 0);
    if (linkStatus[0] != GLES20.GL_TRUE) {
        Log.e(TAG, "Could not link program: ");
        Log.e(TAG, GLES20.glGetProgramInfoLog(program));
        GLES20.glDeleteProgram(program);
        program = 0;
    }
    return program;
}

Source File: GLDrawer.java From Building-Android-UIs-with-Custom-Views with MIT License

5 votes

private void initShaders() {
    int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexShaderCode);
    int fragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentShaderCode);

    shaderProgram = GLES20.glCreateProgram();
    GLES20.glAttachShader(shaderProgram, vertexShader);
    GLES20.glAttachShader(shaderProgram, fragmentShader);
    GLES20.glLinkProgram(shaderProgram);
}

Source File: RoundedTextureView.java From android-RoundedTextureView with Apache License 2.0

5 votes

private static int createProgram(String vertexSource, String fragmentSource) {
  int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexSource);
  if (vertexShader == 0) {
    return 0;
  }
  int pixelShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentSource);
  if (pixelShader == 0) {
    return 0;
  }

  int program = GLES20.glCreateProgram();
  if (program != 0) {
    GLES20.glAttachShader(program, vertexShader);
    checkGlError("glAttachShader");
    GLES20.glAttachShader(program, pixelShader);
    checkGlError("glAttachShader");
    GLES20.glLinkProgram(program);
    int[] linkStatus = new int[1];
    GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, linkStatus, 0);
    if (linkStatus[0] != GLES20.GL_TRUE) {
      Log.e(TAG, "Could not link program: ");
      Log.e(TAG, GLES20.glGetProgramInfoLog(program));
      GLES20.glDeleteProgram(program);
      program = 0;
    }
  }
  return program;
}

Source File: Program.java From HokoBlur with Apache License 2.0

5 votes

@Override
    public void create(String vertexShaderCode, String fragmentShaderCode) {

        int vertexShader = 0;
        int fragmentShader = 0;
        try {
            vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexShaderCode);
            fragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentShaderCode);

            if (vertexShader == 0 || fragmentShader == 0) {
                return;
            }

            id = GLES20.glCreateProgram();
            if (id != 0) {
                GLES20.glAttachShader(id, vertexShader);
                GLES20.glAttachShader(id, fragmentShader);
                GLES20.glLinkProgram(id);
                checkGLError("Attach Shader");
                final int[] linkStatus = new int[1];
                GLES20.glGetProgramiv(id, GLES20.GL_LINK_STATUS, linkStatus, 0);
                if (linkStatus[0] != 1) {
                    Log.e(TAG, "Failed to link program");
                    GLES20.glDeleteProgram(id);
                    id = 0;
                }
//
            }
        } finally {
            GLES20.glDetachShader(id, vertexShader);
            GLES20.glDetachShader(id, fragmentShader);
            GLES20.glDeleteShader(vertexShader);
            GLES20.glDeleteShader(fragmentShader);
        }
    }

Source File: GLToolbox.java From android-MediaEffects with Apache License 2.0

5 votes

public static int createProgram(String vertexSource, String fragmentSource) {
    int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexSource);
    if (vertexShader == 0) {
        return 0;
    }
    int pixelShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentSource);
    if (pixelShader == 0) {
        return 0;
    }

    int program = GLES20.glCreateProgram();
    if (program != 0) {
        GLES20.glAttachShader(program, vertexShader);
        checkGlError("glAttachShader");
        GLES20.glAttachShader(program, pixelShader);
        checkGlError("glAttachShader");
        GLES20.glLinkProgram(program);
        int[] linkStatus = new int[1];
        GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, linkStatus,
                0);
        if (linkStatus[0] != GLES20.GL_TRUE) {
            String info = GLES20.glGetProgramInfoLog(program);
            GLES20.glDeleteProgram(program);
            throw new RuntimeException("Could not link program: " + info);
        }
    }
    return program;
}

Source File: CameraGLRendererBase.java From real_time_circle_detection_android with MIT License

4 votes

private static int loadShader(String vss, String fss) {
    Log.d("CameraGLRendererBase", "loadShader");
    int vshader = GLES20.glCreateShader(GLES20.GL_VERTEX_SHADER);
    GLES20.glShaderSource(vshader, vss);
    GLES20.glCompileShader(vshader);
    int[] status = new int[1];
    GLES20.glGetShaderiv(vshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not compile vertex shader: "+GLES20.glGetShaderInfoLog(vshader));
        GLES20.glDeleteShader(vshader);
        vshader = 0;
        return 0;
    }

    int fshader = GLES20.glCreateShader(GLES20.GL_FRAGMENT_SHADER);
    GLES20.glShaderSource(fshader, fss);
    GLES20.glCompileShader(fshader);
    GLES20.glGetShaderiv(fshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not compile fragment shader:"+GLES20.glGetShaderInfoLog(fshader));
        GLES20.glDeleteShader(vshader);
        GLES20.glDeleteShader(fshader);
        fshader = 0;
        return 0;
    }

    int program = GLES20.glCreateProgram();
    GLES20.glAttachShader(program, vshader);
    GLES20.glAttachShader(program, fshader);
    GLES20.glLinkProgram(program);
    GLES20.glDeleteShader(vshader);
    GLES20.glDeleteShader(fshader);
    GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not link shader program: "+GLES20.glGetProgramInfoLog(program));
        program = 0;
        return 0;
    }
    GLES20.glValidateProgram(program);
    GLES20.glGetProgramiv(program, GLES20.GL_VALIDATE_STATUS, status, 0);
    if (status[0] == 0)
    {
        Log.e("CameraGLRendererBase", "Shader program validation error: "+GLES20.glGetProgramInfoLog(program));
        GLES20.glDeleteProgram(program);
        program = 0;
        return 0;
    }

    Log.d("CameraGLRendererBase", "Shader program is built OK");

    return program;
}

Source File: AndroidGL.java From trekarta with GNU General Public License v3.0

4 votes

@Override
public void linkProgram(int program) {
    GLES20.glLinkProgram(program);

}

Source File: CameraGLRenderer.java From VideoRecorder with Apache License 2.0

4 votes

private int loadShader(String vss, String fss) {
    LogUtil.logd("loadShader");
    int vshader = GLES20.glCreateShader(GLES20.GL_VERTEX_SHADER);
    GLES20.glShaderSource(vshader, vss);
    GLES20.glCompileShader(vshader);
    int[] status = new int[1];
    GLES20.glGetShaderiv(vshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        LogUtil.loge("Could not compile vertex shader: " + GLES20.glGetShaderInfoLog(vshader));
        GLES20.glDeleteShader(vshader);
        return 0;
    }

    int fshader = GLES20.glCreateShader(GLES20.GL_FRAGMENT_SHADER);
    GLES20.glShaderSource(fshader, fss);
    GLES20.glCompileShader(fshader);
    GLES20.glGetShaderiv(fshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        LogUtil.loge("Could not compile fragment shader:" + GLES20.glGetShaderInfoLog(fshader));
        GLES20.glDeleteShader(vshader);
        GLES20.glDeleteShader(fshader);
        return 0;
    }

    int program = GLES20.glCreateProgram();
    GLES20.glAttachShader(program, vshader);
    GLES20.glAttachShader(program, fshader);
    GLES20.glLinkProgram(program);
    GLES20.glDeleteShader(vshader);
    GLES20.glDeleteShader(fshader);
    GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, status, 0);
    if (status[0] == 0) {
        LogUtil.loge("Could not link shader program: " + GLES20.glGetProgramInfoLog(program));
        return 0;
    }
    GLES20.glValidateProgram(program);
    GLES20.glGetProgramiv(program, GLES20.GL_VALIDATE_STATUS, status, 0);
    if (status[0] == 0) {
        LogUtil.loge("Shader program validation error: " + GLES20.glGetProgramInfoLog(program));
        GLES20.glDeleteProgram(program);
        return 0;
    }
    LogUtil.logd("Shader program is built OK");
    return program;
}

Source File: ShaderHelper.java From Muzesto with GNU General Public License v3.0

4 votes

/**
 * Helper function to compile and link a program.
 * 
 * @param vertexShaderHandle An OpenGL handle to an already-compiled vertex shader.
 * @param fragmentShaderHandle An OpenGL handle to an already-compiled fragment shader.
 * @param attributes Attributes that need to be bound to the program.
 * @return An OpenGL handle to the program.
 */
public static int createAndLinkProgram(final int vertexShaderHandle,
                                          final int fragmentShaderHandle,
                                          final String[] attributes) {

	int programHandle = GLES20.glCreateProgram();
	
	if (programHandle != 0) {
		// Bind the vertex shader to the program.
		GLES20.glAttachShader(programHandle, vertexShaderHandle);

		// Bind the fragment shader to the program.
		GLES20.glAttachShader(programHandle, fragmentShaderHandle);
		
		// Bind attributes
		if (attributes != null) {
			final int size = attributes.length;
			for (int i = 0; i < size; i++) {
				GLES20.glBindAttribLocation(programHandle, i, attributes[i]);
			}						
		}
		
		// Link the two shaders together into a program.
		GLES20.glLinkProgram(programHandle);

		// Get the link status.
		final int[] linkStatus = new int[1];
		GLES20.glGetProgramiv(programHandle, GLES20.GL_LINK_STATUS, linkStatus, 0);

		// If the link failed, delete the program.
		if (linkStatus[0] == 0) {
			Log.e(TAG, "Error compiling program: " + GLES20.glGetProgramInfoLog(programHandle));
			GLES20.glDeleteProgram(programHandle);
			programHandle = 0;
		}
	}
	
	if (programHandle == 0) {
		throw new RuntimeException("Error creating program.");
	}
	
	return programHandle;
}

Source File: CameraGLRendererBase.java From LPR with Apache License 2.0

4 votes

private static int loadShader(String vss, String fss) {
    Log.d("CameraGLRendererBase", "loadShader");
    int vshader = GLES20.glCreateShader(GLES20.GL_VERTEX_SHADER);
    GLES20.glShaderSource(vshader, vss);
    GLES20.glCompileShader(vshader);
    int[] status = new int[1];
    GLES20.glGetShaderiv(vshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not compile vertex shader: "+GLES20.glGetShaderInfoLog(vshader));
        GLES20.glDeleteShader(vshader);
        vshader = 0;
        return 0;
    }

    int fshader = GLES20.glCreateShader(GLES20.GL_FRAGMENT_SHADER);
    GLES20.glShaderSource(fshader, fss);
    GLES20.glCompileShader(fshader);
    GLES20.glGetShaderiv(fshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not compile fragment shader:"+GLES20.glGetShaderInfoLog(fshader));
        GLES20.glDeleteShader(vshader);
        GLES20.glDeleteShader(fshader);
        fshader = 0;
        return 0;
    }

    int program = GLES20.glCreateProgram();
    GLES20.glAttachShader(program, vshader);
    GLES20.glAttachShader(program, fshader);
    GLES20.glLinkProgram(program);
    GLES20.glDeleteShader(vshader);
    GLES20.glDeleteShader(fshader);
    GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not link shader program: "+GLES20.glGetProgramInfoLog(program));
        program = 0;
        return 0;
    }
    GLES20.glValidateProgram(program);
    GLES20.glGetProgramiv(program, GLES20.GL_VALIDATE_STATUS, status, 0);
    if (status[0] == 0)
    {
        Log.e("CameraGLRendererBase", "Shader program validation error: "+GLES20.glGetProgramInfoLog(program));
        GLES20.glDeleteProgram(program);
        program = 0;
        return 0;
    }

    Log.d("CameraGLRendererBase", "Shader program is built OK");

    return program;
}

Source File: CameraGLRendererBase.java From MOAAP with MIT License

4 votes

private static int loadShader(String vss, String fss) {
    Log.d("CameraGLRendererBase", "loadShader");
    int vshader = GLES20.glCreateShader(GLES20.GL_VERTEX_SHADER);
    GLES20.glShaderSource(vshader, vss);
    GLES20.glCompileShader(vshader);
    int[] status = new int[1];
    GLES20.glGetShaderiv(vshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not compile vertex shader: "+GLES20.glGetShaderInfoLog(vshader));
        GLES20.glDeleteShader(vshader);
        vshader = 0;
        return 0;
    }

    int fshader = GLES20.glCreateShader(GLES20.GL_FRAGMENT_SHADER);
    GLES20.glShaderSource(fshader, fss);
    GLES20.glCompileShader(fshader);
    GLES20.glGetShaderiv(fshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not compile fragment shader:"+GLES20.glGetShaderInfoLog(fshader));
        GLES20.glDeleteShader(vshader);
        GLES20.glDeleteShader(fshader);
        fshader = 0;
        return 0;
    }

    int program = GLES20.glCreateProgram();
    GLES20.glAttachShader(program, vshader);
    GLES20.glAttachShader(program, fshader);
    GLES20.glLinkProgram(program);
    GLES20.glDeleteShader(vshader);
    GLES20.glDeleteShader(fshader);
    GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not link shader program: "+GLES20.glGetProgramInfoLog(program));
        program = 0;
        return 0;
    }
    GLES20.glValidateProgram(program);
    GLES20.glGetProgramiv(program, GLES20.GL_VALIDATE_STATUS, status, 0);
    if (status[0] == 0)
    {
        Log.e("CameraGLRendererBase", "Shader program validation error: "+GLES20.glGetProgramInfoLog(program));
        GLES20.glDeleteProgram(program);
        program = 0;
        return 0;
    }

    Log.d("CameraGLRendererBase", "Shader program is built OK");

    return program;
}

Source File: CameraGLRendererBase.java From MOAAP with MIT License

4 votes

private static int loadShader(String vss, String fss) {
    Log.d("CameraGLRendererBase", "loadShader");
    int vshader = GLES20.glCreateShader(GLES20.GL_VERTEX_SHADER);
    GLES20.glShaderSource(vshader, vss);
    GLES20.glCompileShader(vshader);
    int[] status = new int[1];
    GLES20.glGetShaderiv(vshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not compile vertex shader: "+GLES20.glGetShaderInfoLog(vshader));
        GLES20.glDeleteShader(vshader);
        vshader = 0;
        return 0;
    }

    int fshader = GLES20.glCreateShader(GLES20.GL_FRAGMENT_SHADER);
    GLES20.glShaderSource(fshader, fss);
    GLES20.glCompileShader(fshader);
    GLES20.glGetShaderiv(fshader, GLES20.GL_COMPILE_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not compile fragment shader:"+GLES20.glGetShaderInfoLog(fshader));
        GLES20.glDeleteShader(vshader);
        GLES20.glDeleteShader(fshader);
        fshader = 0;
        return 0;
    }

    int program = GLES20.glCreateProgram();
    GLES20.glAttachShader(program, vshader);
    GLES20.glAttachShader(program, fshader);
    GLES20.glLinkProgram(program);
    GLES20.glDeleteShader(vshader);
    GLES20.glDeleteShader(fshader);
    GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, status, 0);
    if (status[0] == 0) {
        Log.e("CameraGLRendererBase", "Could not link shader program: "+GLES20.glGetProgramInfoLog(program));
        program = 0;
        return 0;
    }
    GLES20.glValidateProgram(program);
    GLES20.glGetProgramiv(program, GLES20.GL_VALIDATE_STATUS, status, 0);
    if (status[0] == 0)
    {
        Log.e("CameraGLRendererBase", "Shader program validation error: "+GLES20.glGetProgramInfoLog(program));
        GLES20.glDeleteProgram(program);
        program = 0;
        return 0;
    }

    Log.d("CameraGLRendererBase", "Shader program is built OK");

    return program;
}

Java Code Examples for android.opengl.GLES20#glLinkProgram()