int main(int argc, char *argv[]) {
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGBA | GLUT_DEPTH);
glutInitWindowSize(800,800);
glutInitWindowPosition(10,10);
glutCreateWindow("Super Ellipsoid");
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);
glutSpecialFunc(specialKeyboard);
glutMouseFunc(mouse);
glutMotionFunc(mouseMotion);
glutIdleFunc(idle);
glutCreateMenu(displayMenu);
glutAddMenuEntry("Increase m",1);
glutAddMenuEntry("Decrease m",2);
glutAddMenuEntry("Increase n",3);
glutAddMenuEntry("Decrease n",4);
glutAddMenuEntry("Exit",5);
glutAttachMenu(GLUT_RIGHT_BUTTON);
installShaders();
setCamera();
matrixIdentity(Projection);
matrixPerspective(Projection,
40, 1.0, (GLfloat) 1, 750);
initValues();
glClearColor(0.0,0.0,0.0,1.0);
glutMainLoop();
return 0;
}
int main(int argc, char *argv[]) {
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
glutInitWindowSize(800,800);
glutInitWindowPosition(70,70);
glutCreateWindow("ST HELENS TERRAIN");
initValues();
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);
glutMouseFunc(mouse);
glutMotionFunc(mouseMotion);
glutIdleFunc(idle);
installShaders();
setCamera();
// nearPlane = radius - 1.3,farPlane = radius + 1.3;
matrixIdentity(Projection);
nearPlane = 1.3;
farPlane = 4.0;
matrixPerspective(Projection,
30, 1.0, (GLfloat) nearPlane, farPlane);
glUniform1f(nearPlaneUniform, nearPlane);
glUniform1f(farPlaneUniform, farPlane);
glClearColor(0.1,0.1,0.1,0.0);
glutMainLoop();
//freeing the memory
free(indicesArray);
free(normalsArray);
free(verticesArray);
return 0;
}
bool setupGraphics(int width, int height)
{
LOGI("Hello From the Native Side!! - setup Graphics - start");
simpleCubeProgram = createProgram(glVertexShader, glFragmentShader);
if (simpleCubeProgram == 0)
{
LOGE ("Could not create program");
return false;
}
vertexLocation = glGetAttribLocation(simpleCubeProgram, "vertexPosition");
vertexColourLocation = glGetAttribLocation(simpleCubeProgram, "vertexColour");
projectionLocation = glGetUniformLocation(simpleCubeProgram, "projection");
modelViewLocation = glGetUniformLocation(simpleCubeProgram, "modelView");
/* Setup the perspective */
matrixPerspective(projectionMatrix, 45, (float)width / (float)height, 0.1f, 100);
glEnable(GL_DEPTH_TEST);
glViewport(0, 0, width, height);
LOGI("Hello From the Native Side!! - setup Graphics");
return true;
}
JNIEXPORT void JNICALL Java_dugu9sword_esplayer_VideoTextureSurfaceRenderer_nativeDrawTexture(
JNIEnv* env, jobject obj) {
glClearColor(1.0f, 1.0f, 1.0f, 0.5f);
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glViewport(0, 0, width, height);
glUseProgram(program);
int textureParamHandle = glGetUniformLocation(program, "texture");
int textureCoordinateHandle = glGetAttribLocation(program,
"vTexCoordinate");
int positionHandle = glGetAttribLocation(program, "vPosition");
int textureTranformHandle = glGetUniformLocation(program,
"textureTransform");
int modelViewMatrixHandle = glGetUniformLocation(program,
"modelViewMatrix");
int projectionMatrixHandle = glGetUniformLocation(program,
"projectionMatrix");
float projectionMatrix[16];
float modelViewMatrix[16];
matrixPerspective(projectionMatrix, 45, (float)width / (float)height, 0.1f, 100);
matrixIdentityFunction(modelViewMatrix);
matrixRotateX(modelViewMatrix, ++angle);
matrixRotateY(modelViewMatrix, ++angle);
matrixTranslate(modelViewMatrix,0.0f,0.0f,-5.0f);
glUniformMatrix4fv(projectionMatrixHandle, 1, GL_FALSE,projectionMatrix);
glUniformMatrix4fv(modelViewMatrixHandle, 1, GL_FALSE, modelViewMatrix);
glEnableVertexAttribArray(positionHandle);
glVertexAttribPointer(positionHandle, 3, GL_FLOAT, false, 0, vertices);
glBindTexture(GL_TEXTURE0, textures[0]);
glActiveTexture(GL_TEXTURE0);
glUniform1i(textureParamHandle, 0);
glEnableVertexAttribArray(textureCoordinateHandle);
glVertexAttribPointer(textureCoordinateHandle, 3, GL_FLOAT, false, 0,
textureCoords);
jclass clazz = env->GetObjectClass(obj);
jfieldID f_videoTextureTransform = env->GetFieldID(clazz,
"videoTextureTransform", "[F");
jfloatArray jfa_videoTextureTransform = (jfloatArray) env->GetObjectField(
obj, f_videoTextureTransform);
jfloat* v_videoTextureTransform = env->GetFloatArrayElements(
jfa_videoTextureTransform, 0);
glUniformMatrix4fv(textureTranformHandle, 1, false,
v_videoTextureTransform);
env->ReleaseFloatArrayElements(jfa_videoTextureTransform,
v_videoTextureTransform, JNI_ABORT);
// glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, indicies);
glDisableVertexAttribArray(positionHandle);
glDisableVertexAttribArray(textureCoordinateHandle);
}
