bool Painter::initialize()
{
initializeOpenGLFunctions();
glClearColor(1.f, 1.f, 1.f, 0.f);
m_transform.scale(2.f, 0.16f, 2.f);
m_transform.translate(-.5f, 0.f, -.5f);
// prepare vao and vbo
m_vao.create();
m_vao.bind();
m_vertices.create();
m_vertices.setUsagePattern(QOpenGLBuffer::StaticDraw);
glEnableVertexAttribArray(0);
m_vao.release();
// create Texture
m_height = getOrCreateTexture("data/height.png");
// create shader program
m_program = createBasicShaderProgram("data/exercise6.vert", "data/exercise6.frag");
return true;
}
bool Exercise13::initialize()
{
AbstractExercise::initialize();
m_textureID = getOrCreateTexture(TEXTURE_FILENAME);
m_program0.reset(createBasicShaderProgram("data/cube13.vert", "data/cube13.frag"));
m_cube.initialize(*m_program0);
m_program1.reset(createBasicShaderProgram("data/sphere.vert", "data/sphere.frag"));
m_sphere.initialize(*m_program1);
glClearColor(0.6, 0.6, 0.6, 1.0);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
return true;
}
bool Exercise12::initialize()
{
AbstractExercise::initialize();
m_program.reset(createBasicShaderProgram("data/cube12.vert", "data/cube12.frag"));
m_program->bind();
m_cube.initialize(*m_program);
glClearColor(0.6, 0.6, 0.6, 1.0);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
return true;
}
bool Painter::initialize()
{
initializeOpenGLFunctions();
// Note: As always, feel free to change/modify parameters .. as long as its possible to
// see the terrain and navigation basically works, everything is ok.
glClearColor(1.f, 1.f, 1.f, 0.f);
m_quad = new ScreenAlignedQuad(*this);
m_light = QVector3D(2.f, 3.f, 2.f);
QOpenGLShaderProgram * program;
// setup default assimp scene shader (rendering the meshes...)
// ToDo: If you render your own scene (e.g., a terrain, keep in mind
// to extend your shaders for supporting shadowmaps as well as in assimp shaders...
program = createBasicShaderProgram("data/assimp.vert", "data/assimp.frag");
m_programs[PaintMode1] = program;
program->bindAttributeLocation("a_vertex", 0);
program->bindAttributeLocation("a_normal", 1);
program->bindAttributeLocation("a_texc", 2);
program->link();
// load labeling shaders and resources
m_programs[LabelAlphaMappingProgram] = createBasicShaderProgram("data/label.vert", "data/labelAM.frag");
m_programs[LabelDistanceMapProgram] = createBasicShaderProgram("data/label.vert", "data/labelDM.frag");
m_hpicgsLabelAM = FileAssociatedTexture::getOrCreate2D("data/hpicgs_label.png", *this);
m_portccLabelAM = FileAssociatedTexture::getOrCreate2D("data/companion_cube_label.png", *this);
// load and position 3d models in the scene
// Note: feel free to modify / add / remove here... there should be at least
// a few scene objects visible ;)
m_hpicgs = new AssimpScene(*this, "data/hpicgs.obj", true);
m_hpicgs->transform().scale(0.7f, 0.7f, 0.7f);
m_hpicgs->transform().translate(-0.9f, 0.8f, -0.3f);
m_hpicgs->transform().rotate( 56.0f, 0.f, 1.0f, 0.f);
m_hpicgs->transform().rotate(0.0f, 1.f, 0.0f, 0.f);
m_plane = new AssimpScene(*this, "data/plane.obj", false);
m_plane->transform().translate(0.f, -0.1f, 0.f);
m_portcc = new AssimpScene(*this, "data/companion_cube.obj", true);
m_portcc->transform().scale(0.5f, 0.5f, 0.5f);
m_portcc->transform().translate(1.1f, 0.73f, 1.2f);
m_portcc->transform().rotate(8.0f, 0.f, 1.0f, 0.f);
// initialize label positions
// Task_3_1 - ToDo Begin
// Modify the transformation matrix T to position, scale, and orient
// the labels to appropriate places, based on the initial view! No
// interaction should be required to be able to see both labels.
m_hpicgsLabel = new ScreenAlignedQuad(*this, 0);
QMatrix4x4 T;
T.translate(0.5, 0.5, -1.0);
T.scale(1.0, 0.3);
// ToDo: use T.translate/scale/rotate ...
m_transforms << T;
m_portccLabel = new ScreenAlignedQuad(*this, 0);
T.translate(-1.5, 0.0, 2.0);
// ToDo: use T.translate/scale/rotate ...
m_transforms << T;
// Task_3_1 - ToDo End
// initialize shader program attribute input
program = m_programs[LabelAlphaMappingProgram];
program->bind();
program->bindAttributeLocation("a_vertex", 0);
program->release();
program = m_programs[LabelDistanceMapProgram];
program->bind();
program->bindAttributeLocation("a_vertex", 0);
program->release();
// create distance transforms of label images
glGenTextures(1, &m_hpicgsLabelDM);
glBindTexture(GL_TEXTURE_2D, m_hpicgsLabelDM);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
{
QImage image("data/hpicgs_label_bitmask.png");
// ToDo: pre resize?
DistanceTransform DT(image, 512, 128, 0.0625f);
glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, 512, 128, 0, GL_RED, GL_FLOAT, DT.data());
}
glGenerateMipmap(GL_TEXTURE_2D);
glGenTextures(1, &m_portccLabelDM);
glBindTexture(GL_TEXTURE_2D, m_portccLabelDM);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
{
QImage image("data/companion_cube_label_bitmask.png");
// ToDo: pre resize?
// image = image.scaled(? , ? , Qt::FastTransformation);
DistanceTransform DT(image, 512, 128, 0.125f);
glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, 512, 128, 0, GL_RED, GL_FLOAT, DT.data());
}
glGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
// create fbo
m_programs[ShadowMapProgram] = createBasicShaderProgram("data/shadowmap.vert", "data/shadowmap.frag");
m_programs[ShadowMapDumpProgram] = createBasicShaderProgram("data/dump.vert", "data/dump.frag");
glGenTextures(1, &m_depthTex);
glBindTexture(GL_TEXTURE_2D, m_depthTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT32, ShadowMapSize, ShadowMapSize, 0, GL_DEPTH_COMPONENT, GL_FLOAT, 0);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
float color[] = { 1.0f, 1.0f, 1.0f, 1.0f };
glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, color);
glBindTexture(GL_TEXTURE_2D, 0);
glGenFramebuffers(1, &m_depthFbo);
glBindFramebuffer(GL_FRAMEBUFFER, m_depthFbo);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, m_depthTex, 0);
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
qDebug() << "depth fbo invalid";
glBindFramebuffer(GL_FRAMEBUFFER, 0);
return true;
}
