static int initRenderOpenGLES2() {
if(!compileShaders(vertexShader, fragmentShader, &vertexShaderObjectId, &fragmentShaderObjectId, &programObjectId)) {
renderer.destroy();
return 0;
}
if(!setupAttribLocations(&programObjectId, &_positionSlot, &_colorSlot, &_projectionUniform, &_modelViewUniform)){
renderer.destroy();
return 0;
}
if(!setupVBOs(&vertexBuffer, &indexBuffer, sizeof(verticesES2), verticesES2, sizeof(indicesES2), indicesES2)) {
renderer.destroy();
return 0;
}
return 1;
}
void GLCanvas::keyboardCB(GLFWwindow* window, int key, int scancode, int action, int mods) {
// store the modifier keys
shiftKeyPressed = (GLFW_MOD_SHIFT & mods);
controlKeyPressed = (GLFW_MOD_CONTROL & mods);
altKeyPressed = (GLFW_MOD_ALT & mods);
superKeyPressed = (GLFW_MOD_SUPER & mods);
// non modifier key actions
if (key == GLFW_KEY_ESCAPE || key == 'q' || key == 'Q') {
glfwSetWindowShouldClose(GLCanvas::window, GL_TRUE);
}
// other normal ascii keys...
if ( (action == GLFW_PRESS || action == GLFW_REPEAT) && key < 256) {
switch (key) {
// RAYTRACING STUFF
case 'r': case 'R': case 'g': case 'G': {
args->raytracing_animation = !args->raytracing_animation;
glfwGetWindowSize(window, &args->width, &args->height);
// animate raytracing of the scene
if (args->raytracing_animation) {
if (key == 'r' || key == 'R') {
args->gather_indirect = false;
printf ("raytracing animation started, press 'R' to stop\n");
} else {
args->gather_indirect = true;
printf ("photon mapping animation started, press 'G' to stop\n");
}
if (args->width <= args->height) {
raytracing_divs_x = 10;
raytracing_divs_y = 10 * args->height / float (args->width);
} else {
raytracing_divs_x = 10 * args->width / float (args->height);
raytracing_divs_y = 10;
}
raytracing_x = 0;
raytracing_y = 0;
raytracer->resetVBOs();
} else
printf ("raytracing animation stopped, press 'R' to start\n");
break;
}
case 't': case 'T': {
// visualize the ray tree for the pixel at the current mouse position
glfwGetWindowSize(window, &args->width, &args->height);
RayTree::Activate();
raytracing_divs_x = -1;
raytracing_divs_y = -1;
TraceRay(mouseX,args->height-mouseY);
RayTree::Deactivate();
glm::vec3 cp = camera->camera_position;
glm::vec3 poi = camera->point_of_interest;
float distance = glm::length((cp-poi)/2.0f);
RayTree::setupVBOs(distance / 500.0);
radiosity->setupVBOs();
photon_mapping->setupVBOs();
break; }
case 'l': case 'L': {
// toggle photon rendering
args->render_photons = !args->render_photons;
break; }
case 'k': case 'K': {
// toggle photon rendering
args->render_kdtree = !args->render_kdtree;
break; }
case 'p': case 'P': {
// toggle photon rendering
photon_mapping->TracePhotons();
photon_mapping->setupVBOs();
break; }
// RADIOSITY STUFF
case ' ':
// a single step of radiosity
radiosity->Iterate();
radiosity->setupVBOs();
break;
case 'a': case 'A':
// animate radiosity solution
args->radiosity_animation = !args->radiosity_animation;
if (args->radiosity_animation)
printf ("radiosity animation started, press 'A' to stop\n");
else
printf ("radiosity animation stopped, press 'A' to start\n");
break;
case 's': case 'S':
// subdivide the mesh for radiosity
radiosity->Cleanup();
radiosity->getMesh()->Subdivision();
radiosity->Reset();
radiosity->setupVBOs();
break;
case 'c': case 'C':
// clear the raytracing visualization
args->raytracing_animation = false;
raytracer->resetVBOs();
raytracer->setupVBOs();
// clear the radiosity solution
args->radiosity_animation = false;
radiosity->Reset();
radiosity->setupVBOs();
break;
// VISUALIZATIONS
case 'w': case 'W':
// render wireframe mode
args->wireframe = !args->wireframe;
break;
case 'v': case 'V':
// toggle the different visualization modes
args->render_mode = RENDER_MODE((args->render_mode+1)%NUM_RENDER_MODES);
switch (args->render_mode) {
case RENDER_MATERIALS: std::cout << "RENDER_MATERIALS\n"; fflush(stdout); break;
case RENDER_LIGHTS: std::cout << "RENDER_LIGHTS\n"; fflush(stdout); break;
case RENDER_UNDISTRIBUTED: std::cout << "RENDER_UNDISTRIBUTED\n"; fflush(stdout); break;
case RENDER_ABSORBED: std::cout << "RENDER_ABSORBED\n"; fflush(stdout); break;
case RENDER_RADIANCE: std::cout << "RENDER_RADIANCE\n"; fflush(stdout); break;
case RENDER_FORM_FACTORS: std::cout << "RENDER_FORM_FACTORS\n"; fflush(stdout); break;
default: assert(0); }
radiosity->setupVBOs();
break;
case 'i': case 'I':
// interpolate patch illumination values
args->interpolate = !args->interpolate;
radiosity->setupVBOs();
break;
case 'b': case 'B':
// interpolate patch illumination values
args->intersect_backfacing = !args->intersect_backfacing;
break;
case 'x': case 'X':
std::cout << "CURRENT CAMERA" << std::endl;
std::cout << *camera << std::endl;
break;
case 'q': case 'Q':
// quit
glfwSetWindowShouldClose(GLCanvas::window, GL_TRUE);
break;
default:
std::cout << "UNKNOWN KEYBOARD INPUT '" << (char)key << "'" << std::endl;
}
setupVBOs();
}
}