public void onSurfaceCreated(GL10 gl, EGLConfig config)
{
// preparation
gl.glEnableClientState(GL10_GL_VERTEX_ARRAY);
gl.glEnableClientState(GL10_GL_COLOR_ARRAY);
initTriangle();
}
public void onSurfaceCreated(GL10 glUnused, javax.microedition.khronos.egl.EGLConfig config)
{
// and now we still need redux?
// Set the background clear color to gray.
gl.clearColor(0.5f, 0.5f, 0.5f, 0.5f);
// Position the eye behind the origin.
const float eyeX = 0.0f;
const float eyeY = 0.0f;
const float eyeZ = 1.5f;
// We are looking toward the distance
const float lookX = 0.0f;
const float lookY = 0.0f;
const float lookZ = -5.0f;
// Set our up vector. This is where our head would be pointing were we holding the camera.
const float upX = 0.0f;
const float upY = 1.0f;
const float upZ = 0.0f;
// Set the view matrix. This matrix can be said to represent the camera position.
// NOTE: In OpenGL 1, a ModelView matrix is used, which is a combination of a model and
// view matrix. In OpenGL 2, we can keep track of these matrices separately if we choose.
Matrix.setLookAtM(mViewMatrix, 0, eyeX, eyeY, eyeZ, lookX, lookY, lookZ, upX, upY, upZ);
// Create a program object and store the handle to it.
var programHandle = gl.createProgram(
new Shaders.TriangleVertexShader(),
new Shaders.TriangleFragmentShader()
);
gl.bindAttribLocation(programHandle, 0, "a_Position");
gl.bindAttribLocation(programHandle, 1, "a_Color");
gl.linkProgram(programHandle);
// Set program handles. These will later be used to pass in values to the program.
mMVPMatrixHandle = gl.getUniformLocation(programHandle, "u_MVPMatrix");
mPositionHandle = gl.getAttribLocation(programHandle, "a_Position");
mColorHandle = gl.getAttribLocation(programHandle, "a_Color");
// Tell OpenGL to use this program when rendering.
gl.useProgram(programHandle);
}
public void onSurfaceCreated(GL10 gl, EGLConfig config)
{
gl.glMatrixMode(GL10_GL_PROJECTION);
float size = .01f * (float)java.lang.Math.tan(java.lang.Math.toRadians(45.0) / 2);
float ratio = _width / _height;
// perspective:
gl.glFrustumf(-size, size, -size / ratio, size / ratio, 0.01f, 100.0f);
// orthographic:
//gl.glOrthof(-1, 1, -1 / ratio, 1 / ratio, 0.01f, 100.0f);
gl.glViewport(0, 0, (int)_width, (int)_height);
gl.glMatrixMode(GL10_GL_MODELVIEW);
gl.glEnable(GL10_GL_DEPTH_TEST);
// define the color we want to be displayed as the "clipping wall"
gl.glClearColor(0f, 0f, 0f, 1.0f);
// enable the differentiation of which side may be visible
gl.glEnable(GL10_GL_CULL_FACE);
// which is the front? the one which is drawn counter clockwise
gl.glFrontFace(GL10_GL_CCW);
// which one should NOT be drawn
gl.glCullFace(GL10_GL_BACK);
gl.glEnableClientState(GL10_GL_VERTEX_ARRAY);
gl.glEnableClientState(GL10_GL_COLOR_ARRAY);
initTriangle();
}
// all setup and data loading goes here
public void onSurfaceCreated(GL10 arg0, EGLConfig arg1)
{
var shaderProgram = gl.createProgram();
var vs = gl.createShader( new Shaders.GeometryVertexShader() );
var fs = gl.createShader( new Shaders.GeometryVertexShader() );
gl.attachShader(shaderProgram, vs);
gl.attachShader(shaderProgram, fs);
gl.linkProgram(shaderProgram);
gl.useProgram(shaderProgram);
positionAttribLocation = gl.getAttribLocation(shaderProgram, "position");
// setup geometry
float[] verticesData =
{
0.0f, 0.5f, 0.0f,
-0.5f, -0.5f, 0.0f,
0.5f, -0.5f, 0.0f
};
vertices = ByteBuffer
.allocateDirect(verticesData.Length * 4)
.order(ByteOrder.nativeOrder()).asFloatBuffer();
vertices.put(verticesData).position(0);
}
public void onSurfaceCreated(GL10 gl, javax.microedition.khronos.egl.EGLConfig config)
{
Console.WriteLine("HybridGLES3JNIActivity onSurfaceCreated, init");
GLES3JNILib.init();
}
public void onSurfaceCreated(javax.microedition.khronos.egl.EGLConfig value)
{
Console.WriteLine("onSurfaceCreated");
GLES20.glClearColor(0.1f, 0.1f, 0.1f, 0.5f); // Dark background so text shows up well.
ByteBuffer bbVertices = ByteBuffer.allocateDirect(WorldLayoutData.CUBE_COORDS.Length * 4);
bbVertices.order(ByteOrder.nativeOrder());
cubeVertices = bbVertices.asFloatBuffer();
cubeVertices.put(WorldLayoutData.CUBE_COORDS);
cubeVertices.position(0);
ByteBuffer bbColors = ByteBuffer.allocateDirect(WorldLayoutData.CUBE_COLORS.Length * 4);
bbColors.order(ByteOrder.nativeOrder());
cubeColors = bbColors.asFloatBuffer();
cubeColors.put(WorldLayoutData.CUBE_COLORS);
cubeColors.position(0);
ByteBuffer bbFoundColors = ByteBuffer.allocateDirect(
WorldLayoutData.CUBE_FOUND_COLORS.Length * 4);
bbFoundColors.order(ByteOrder.nativeOrder());
cubeFoundColors = bbFoundColors.asFloatBuffer();
cubeFoundColors.put(WorldLayoutData.CUBE_FOUND_COLORS);
cubeFoundColors.position(0);
ByteBuffer bbNormals = ByteBuffer.allocateDirect(WorldLayoutData.CUBE_NORMALS.Length * 4);
bbNormals.order(ByteOrder.nativeOrder());
cubeNormals = bbNormals.asFloatBuffer();
cubeNormals.put(WorldLayoutData.CUBE_NORMALS);
cubeNormals.position(0);
// make a floor
ByteBuffer bbFloorVertices = ByteBuffer.allocateDirect(WorldLayoutData.FLOOR_COORDS.Length * 4);
bbFloorVertices.order(ByteOrder.nativeOrder());
floorVertices = bbFloorVertices.asFloatBuffer();
floorVertices.put(WorldLayoutData.FLOOR_COORDS);
floorVertices.position(0);
ByteBuffer bbFloorNormals = ByteBuffer.allocateDirect(WorldLayoutData.FLOOR_NORMALS.Length * 4);
bbFloorNormals.order(ByteOrder.nativeOrder());
floorNormals = bbFloorNormals.asFloatBuffer();
floorNormals.put(WorldLayoutData.FLOOR_NORMALS);
floorNormals.position(0);
ByteBuffer bbFloorColors = ByteBuffer.allocateDirect(WorldLayoutData.FLOOR_COLORS.Length * 4);
bbFloorColors.order(ByteOrder.nativeOrder());
floorColors = bbFloorColors.asFloatBuffer();
floorColors.put(WorldLayoutData.FLOOR_COLORS);
floorColors.position(0);
Func <int, string, int> loadGLShader = (int type, string code) =>
{
int shader = GLES20.glCreateShader(type);
GLES20.glShaderSource(shader, code);
GLES20.glCompileShader(shader);
// Get the compilation status.
int[] compileStatus = new int[1];
GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compileStatus, 0);
// If the compilation failed, delete the shader.
if (compileStatus[0] == 0)
{
Console.WriteLine("Error compiling shader: " + GLES20.glGetShaderInfoLog(shader));
GLES20.glDeleteShader(shader);
shader = 0;
}
if (shader == 0)
{
throw new Exception("Error creating shader.");
}
return(shader);
};
int vertexShader = loadGLShader(GLES20.GL_VERTEX_SHADER, new Shaders.light_vertexVertexShader().ToString());
int gridShader = loadGLShader(GLES20.GL_FRAGMENT_SHADER, new Shaders.grid_fragmentFragmentShader().ToString());
int passthroughShader = loadGLShader(GLES20.GL_FRAGMENT_SHADER, new Shaders.passthrough_fragmentFragmentShader().ToString());
cubeProgram = GLES20.glCreateProgram();
GLES20.glAttachShader(cubeProgram, vertexShader);
GLES20.glAttachShader(cubeProgram, passthroughShader);
GLES20.glLinkProgram(cubeProgram);
GLES20.glUseProgram(cubeProgram);
checkGLError("Cube program");
cubePositionParam = GLES20.glGetAttribLocation(cubeProgram, "a_Position");
cubeNormalParam = GLES20.glGetAttribLocation(cubeProgram, "a_Normal");
cubeColorParam = GLES20.glGetAttribLocation(cubeProgram, "a_Color");
cubeModelParam = GLES20.glGetUniformLocation(cubeProgram, "u_Model");
cubeModelViewParam = GLES20.glGetUniformLocation(cubeProgram, "u_MVMatrix");
cubeModelViewProjectionParam = GLES20.glGetUniformLocation(cubeProgram, "u_MVP");
cubeLightPosParam = GLES20.glGetUniformLocation(cubeProgram, "u_LightPos");
GLES20.glEnableVertexAttribArray(cubePositionParam);
GLES20.glEnableVertexAttribArray(cubeNormalParam);
GLES20.glEnableVertexAttribArray(cubeColorParam);
checkGLError("Cube program params");
floorProgram = GLES20.glCreateProgram();
GLES20.glAttachShader(floorProgram, vertexShader);
GLES20.glAttachShader(floorProgram, gridShader);
GLES20.glLinkProgram(floorProgram);
GLES20.glUseProgram(floorProgram);
checkGLError("Floor program");
floorModelParam = GLES20.glGetUniformLocation(floorProgram, "u_Model");
floorModelViewParam = GLES20.glGetUniformLocation(floorProgram, "u_MVMatrix");
floorModelViewProjectionParam = GLES20.glGetUniformLocation(floorProgram, "u_MVP");
floorLightPosParam = GLES20.glGetUniformLocation(floorProgram, "u_LightPos");
floorPositionParam = GLES20.glGetAttribLocation(floorProgram, "a_Position");
floorNormalParam = GLES20.glGetAttribLocation(floorProgram, "a_Normal");
floorColorParam = GLES20.glGetAttribLocation(floorProgram, "a_Color");
GLES20.glEnableVertexAttribArray(floorPositionParam);
GLES20.glEnableVertexAttribArray(floorNormalParam);
GLES20.glEnableVertexAttribArray(floorColorParam);
checkGLError("Floor program params");
GLES20.glEnable(GLES20.GL_DEPTH_TEST);
// Object first appears directly in front of user.
Matrix.setIdentityM(modelCube, 0);
Matrix.translateM(modelCube, 0, 0, 0, -objectDistance);
Matrix.setIdentityM(modelFloor, 0);
Matrix.translateM(modelFloor, 0, 0, -floorDepth, 0); // Floor appears below user.
checkGLError("onSurfaceCreated");
}
public void onSurfaceCreated(GL10 glUnused, EGLConfig config)
{
// Set the background clear color to black.
gl.clearColor(1.0f, 1.0f, 1.0f, 0.0f);
// Use culling to remove back faces.
opengl.glEnable(opengl.GL_CULL_FACE);
// Enable depth testing
opengl.glEnable(opengl.GL_DEPTH_TEST);
// Enable texture mapping
opengl.glEnable(opengl.GL_TEXTURE_2D);
// Position the eye in front of the origin.
float eyeX = 0.0f;
float eyeY = 0.0f;
float eyeZ = -0.5f;
// We are looking toward the distance
float lookX = 0.0f;
float lookY = 0.0f;
float lookZ = -5.0f;
// Set our up vector. This is where our head would be pointing were we holding the camera.
float upX = 0.0f;
float upY = 1.0f;
float upZ = 0.0f;
// Set the view matrix. This matrix can be said to represent the camera position.
// NOTE: In OpenGL 1, a ModelView matrix is used, which is a combination of a model and
// view matrix. In OpenGL 2, we can keep track of these matrices separately if we choose.
Matrix.setLookAtM(mViewMatrix, 0, eyeX, eyeY, eyeZ, lookX, lookY, lookZ, upX, upY, upZ);
mProgramHandle = gl.createAndLinkProgram(
new Shaders.per_pixelVertexShader(),
new Shaders.per_pixelFragmentShader(),
"a_Position",
"a_Color",
"a_Normal",
"a_TexCoordinate"
);
// Define a simple shader program for our point.
mPointProgramHandle = gl.createAndLinkProgram(
new Shaders.per_pixelVertexShader(),
new Shaders.per_pixelFragmentShader(),
"a_Position"
);
// Load the texture
mTextureDataHandle = TextureHelper.loadTexture(mActivityContext, R.drawable.jsc_24bit);
mTextureDataHandle2 = TextureHelper.loadTexture(mActivityContext, R.drawable.jsc_black);
}
public void onSurfaceCreated(GL10 gl, EGLConfig config)
{
// Do nothing special.
}
public void onSurfaceCreated(GL10 gl, EGLConfig config)
{
// preparation
// enable the differentiation of which side may be visible
gl.glEnable(GL10_GL_CULL_FACE);
// which is the front? the one which is drawn counter clockwise
gl.glFrontFace(GL10_GL_CCW);
// which one should NOT be drawn
gl.glCullFace(GL10_GL_BACK);
gl.glEnableClientState(GL10_GL_VERTEX_ARRAY);
gl.glEnableClientState(GL10_GL_COLOR_ARRAY);
initTriangle();
}
public void onSurfaceCreated(GL10 unused, EGLConfig config)
{
// Set the background frame color
gl.clearColor(0.5f, 0.5f, 0.5f, 1.0f);
// initialize the triangle vertex array
initShapes();
mProgram = gl.createProgram();
var vs = gl.createShader(new Shaders.TriangleVertexShader());
var fs = gl.createShader(new Shaders.TriangleFragmentShader());
gl.attachShader(mProgram, vs);
gl.attachShader(mProgram, fs);
gl.deleteShader(vs);
gl.deleteShader(fs);
gl.linkProgram(mProgram);
// get handle to the vertex shader's vPosition member
maPositionHandle = gl.getAttribLocation(mProgram, "vPosition");
}