void test_getEntArrAdj_up()
{
iMesh_Instance mesh = create_mesh();
int err;
// get hexes adjacent to a row of faces in the z=0 plane
iBase_EntityHandle *adj = 0;
int *off = 0;
int adj_alloc = 0, off_alloc = 0;
int adj_size = -1, off_size = -1;
iMesh_getEntArrAdj( mesh, FACES[4][0], INTERVALS, iBase_REGION,
&adj, &adj_alloc, &adj_size,
&off, &off_alloc, &off_size,
&err );
CHECK_EQUAL( iBase_SUCCESS, err );
CHECK( 0 != adj );
CHECK( 0 != off );
CHECK_EQUAL( INTERVALS, adj_size ); // one hex adjacent to each skin face
CHECK_EQUAL( INTERVALS+1, off_size ); // one more than number of input handles
CHECK( adj_alloc >= adj_size );
CHECK( off_alloc >= off_size );
for (int i = 0; i < INTERVALS; ++i) {
CHECK_EQUAL( 1, off[i+1] - off[i] );
CHECK_EQUAL( HEXES[0][i][0], adj[off[i]] );
}
free(adj);
free(off);
}
int init( )
{
// etape 1 : decrire le triangle, les coordonnees des 3 sommets.
// creer un mesh pour stocker les coordonnees des sommets du triangle
triangle= create_mesh(GL_TRIANGLES);
// choisir une couleur pour les sommets, rouge + vert = jaune
vertex_color(triangle, make_color(1, 1, 0));
// donner les positions des 3 sommets, entre -1 1 sur x, y, z
push_vertex(triangle, -0.5, -0.5, 0);
push_vertex(triangle, 0.5, 0.5, 0);
push_vertex(triangle, -0.5, 0.5, 0);
return 0; // ras, pas d'erreur
// on peut aussi donner des couleurs differentes aux sommets du triangle :
/*
vertex_color(triangle, make_color(1, 0, 0));
push_vertex(triangle, -0.5, -0.5, 0);
vertex_color(triangle, make_color(0, 1, 0));
push_vertex(triangle, 0.5, 0.5, 0);
vertex_color(triangle, make_color(0, 0, 1));
push_vertex(triangle, -0.5, 0.5, 0);
return 0; // ras, pas d'erreur
*/
}
int init()
{
ASSERT(initSDL());
ASSERT(initGL() == 1);
ASSERT(create_mesh(mesh, N, M, SCREEN_WIDTH, SCREEN_HEIGHT));
ASSERT(init_simulation());
resize_window(SCREEN_WIDTH, SCREEN_HEIGHT);
#ifdef OPENMP
omp_set_num_treads(MAX_THREADS);
#endif
ASSERT(init_simulation());
int size = (N+2)*(M+2);
velocity_vectors = new Vector[size];
velocity_indices = new GLuint [size*2];
for(int i = 0; i < size*2; i++){
velocity_indices[i] = i;
}
for(int i = 0; i < size; i++){
velocity_vectors[i].p0.x = mesh.vertices[i].x;
velocity_vectors[i].p0.y = mesh.vertices[i].y;
velocity_vectors[i].p1.x = mesh.vertices[i].x;
velocity_vectors[i].p1.y = mesh.vertices[i].y;
}
return (TRUE);
}
int send_create_mesh(int i)
{
send_event(EVENT_CREATE_MESH);
send_index(i);
return create_mesh(i);
}
int main(int argc, char* argv[]) {
Mesh* mesh = create_mesh();
mesh_write("quad.mesh", mesh);
mesh_destroy(mesh);
Application app("my x11/win32 window", 600, 600, true);
return app.run();
}
void test_getEntArrAdj_invalid_size()
{
iMesh_Instance mesh = create_mesh();
int err = -1;
const int SPECIAL1 = 0xDeadBeef;
const int SPECIAL2 = 0xCafe5;
const int SPECIAL3 = 0xbabb1e;
// test a downward query
volatile int marker1 = SPECIAL1;
iBase_EntityHandle adj1[8*INTERVALS-1]; // one too small
volatile int marker2 = SPECIAL2;
int off1[INTERVALS+1];
int adj1_alloc = sizeof(adj1)/sizeof(adj1[0]);
int off1_alloc = sizeof(off1)/sizeof(off1[0]);
int adj_size, off_size;
iBase_EntityHandle* adj_ptr = adj1;
int* off_ptr = off1;
iMesh_getEntArrAdj( mesh, HEXES[0][0], INTERVALS, iBase_VERTEX,
&adj_ptr, &adj1_alloc, &adj_size,
&off_ptr, &off1_alloc, &off_size,
&err );
CHECK_EQUAL( &adj1[0], adj_ptr );
CHECK_EQUAL( &off1[0], off_ptr );
// first ensure no stack corruption from writing off end of array
CHECK_EQUAL( SPECIAL1, marker1 );
CHECK_EQUAL( SPECIAL2, marker2 );
// now verify that it correctly failed
CHECK_EQUAL( iBase_BAD_ARRAY_SIZE, err );
// now test an upwards query
volatile int marker3 = SPECIAL3;
int off2[INTERVALS];
volatile int marker4 = SPECIAL1;
int off2_alloc = sizeof(off2)/sizeof(off2[0]);
err = iBase_SUCCESS;
adj_ptr = adj1;
off_ptr = off2;
iMesh_getEntArrAdj( mesh, VERTS[0][0], INTERVALS+1, iBase_REGION,
&adj_ptr, &adj1_alloc, &adj_size,
&off_ptr, &off2_alloc, &off_size,
&err );
// first ensure no stack corruption from writing off end of array
CHECK_EQUAL( &adj1[0], adj_ptr );
CHECK_EQUAL( &off2[0], off_ptr );
CHECK_EQUAL( SPECIAL3, marker3 );
CHECK_EQUAL( SPECIAL1, marker4 );
// now verify that it correctly failed
CHECK_EQUAL( iBase_BAD_ARRAY_SIZE, err );
}
static void create_subd_mesh(Scene *scene,
Mesh *mesh,
BL::Object& b_ob,
BL::Mesh& b_mesh,
const vector<Shader*>& used_shaders,
float dicing_rate,
int max_subdivisions)
{
BL::SubsurfModifier subsurf_mod(b_ob.modifiers[b_ob.modifiers.length()-1]);
bool subdivide_uvs = subsurf_mod.use_subsurf_uv();
create_mesh(scene, mesh, b_mesh, used_shaders, true, subdivide_uvs);
/* export creases */
size_t num_creases = 0;
BL::Mesh::edges_iterator e;
for(b_mesh.edges.begin(e); e != b_mesh.edges.end(); ++e) {
if(e->crease() != 0.0f) {
num_creases++;
}
}
mesh->subd_creases.resize(num_creases);
Mesh::SubdEdgeCrease* crease = mesh->subd_creases.data();
for(b_mesh.edges.begin(e); e != b_mesh.edges.end(); ++e) {
if(e->crease() != 0.0f) {
crease->v[0] = e->vertices()[0];
crease->v[1] = e->vertices()[1];
crease->crease = e->crease();
crease++;
}
}
/* set subd params */
if(!mesh->subd_params) {
mesh->subd_params = new SubdParams(mesh);
}
SubdParams& sdparams = *mesh->subd_params;
PointerRNA cobj = RNA_pointer_get(&b_ob.ptr, "cycles");
sdparams.dicing_rate = max(0.1f, RNA_float_get(&cobj, "dicing_rate") * dicing_rate);
sdparams.max_level = max_subdivisions;
scene->camera->update();
sdparams.camera = scene->camera;
sdparams.objecttoworld = get_transform(b_ob.matrix_world());
}
geometry_ptr create_geometry(const attributes& attr, const std::string& name, const parameter_list& params)
{
if (name == PLANE) {
return geometry_ptr(new plane(attr.object_to_world, attr.material));
} else if (name == RECTANGLE) {
return geometry_ptr(new rectangle(attr.object_to_world, attr.material));
} else if (name == SPHERE) {
return geometry_ptr(new sphere(attr.object_to_world, attr.material));
} else if (name == MESH) {
return create_mesh(attr, params);
} else {
throw std::invalid_argument("invalid geometry: " + name);
}
}
int init( )
{
// etape 1 : decrire le triangle, les coordonnees des 3 sommets.
// creer un mesh pour stocker les coordonnees des sommets du triangle
triangle= create_mesh(GL_TRIANGLES);
vertex_color(triangle, make_color(1, 0, 0));
push_vertex(triangle, -0.5, -0.5, 0);
vertex_color(triangle, make_color(0, 1, 0));
push_vertex(triangle, 0.5, 0.5, 0);
vertex_color(triangle, make_color(0, 0, 1));
push_vertex(triangle, -0.5, 0.5, 0);
return 0; // ras, pas d'erreur
}
int init( )
{
// etape 1 : decrire le triangle, les coordonnees des 3 sommets.
// creer un mesh pour stocker les coordonnees des sommets du triangle
triangle= create_mesh(GL_TRIANGLES);
vertex_color(triangle, make_color(1, 0, 0));
push_vertex(triangle, -0.5, -0.5, 0);
vertex_color(triangle, make_color(0, 1, 0));
push_vertex(triangle, 0.5, 0.5, 0);
vertex_color(triangle, make_color(0, 0, 1));
push_vertex(triangle, -0.5, 0.5, 0);
// etape 2 : creer une camera par defaut, elle est placee en 0, 0, 5 et regarde les objets situes en 0, 0, 0
camera= make_orbiter();
return 0; // ras, pas d'erreur
}
void test_getEntArrAdj_none()
{
iMesh_Instance mesh = create_mesh();
int err = -1;
iBase_EntityHandle* adj = 0;
int* off = 0;
int adj_alloc = 0, off_alloc = 0;
int adj_size = -1, off_size = -1;
iMesh_getEntArrAdj( mesh, NULL, 0, iBase_REGION,
&adj, &adj_alloc, &adj_size,
&off, &off_alloc, &off_size,
&err );
CHECK_EQUAL( iBase_SUCCESS, err );
CHECK_EQUAL( 0, adj_alloc );
CHECK_EQUAL( 0, adj_size );
CHECK_EQUAL( 1, off_size );
CHECK( off_alloc >= 1 );
CHECK_EQUAL( 0, off[0] );
free(off);
}
int main( int argc, char* argv[] )
{
REGISTER_TEST( test_getEntArrAdj_conn );
REGISTER_TEST( test_getEntArrAdj_vertex );
REGISTER_TEST( test_getEntArrAdj_up );
REGISTER_TEST( test_getEntArrAdj_down );
REGISTER_TEST( test_getEntArrAdj_invalid_size );
REGISTER_TEST( test_getEntArrAdj_none );
REGISTER_TEST( test_existinterface );
#ifdef MOAB_HAVE_HDF5
REGISTER_TEST( test_tags_retrieval );
#endif
int result = RUN_TESTS( argc, argv );
// Delete the static iMesh instance defined in create_mesh()
iMesh_Instance mesh = create_mesh();
int err;
iMesh_dtor(mesh, &err);
CHECK_EQUAL(iBase_SUCCESS, err);
return result;
}
void test_getEntArrAdj_vertex()
{
iMesh_Instance mesh = create_mesh();
int err;
// get hexes adjacent to row of vertices at x=0,y=0;
iBase_EntityHandle *adj = 0;
int *off = 0;
int adj_alloc = 0, off_alloc = 0;
int adj_size = -1, off_size = -1;
iMesh_getEntArrAdj( mesh, VERTS[0][0], INTERVALS+1, iBase_REGION,
&adj, &adj_alloc, &adj_size,
&off, &off_alloc, &off_size,
&err );
CHECK_EQUAL( iBase_SUCCESS, err );
CHECK( 0 != adj );
CHECK( 0 != off );
CHECK_EQUAL( 2*INTERVALS, adj_size ); // INTERVALS+1 verts, end ones with one hex, others with two
CHECK_EQUAL( INTERVALS+2, off_size ); // one more than number of input handles
CHECK( adj_alloc >= adj_size );
CHECK( off_alloc >= off_size );
// first and last vertices should have one adjacent hex
CHECK_EQUAL( 1, off[1] - off[0] );
CHECK_EQUAL( HEXES[0][0][0], adj[off[0]] );
CHECK_EQUAL( 1, off[INTERVALS+1] - off[INTERVALS] );
CHECK_EQUAL( HEXES[0][0][INTERVALS-1], adj[off[INTERVALS]] );
// middle ones should have two adjacent hexes
for (int i = 1; i < INTERVALS; ++i) {
CHECK_EQUAL( 2, off[i+1] - off[i] );
CHECK_EQUAL( HEXES[0][0][i-1], adj[off[i] ] );
CHECK_EQUAL( HEXES[0][0][i ], adj[off[i]+1] );
}
free(adj);
free(off);
}
static void create_subd_mesh(Scene *scene,
Mesh *mesh,
BL::Object& b_ob,
BL::Mesh& b_mesh,
PointerRNA *cmesh,
const vector<Shader*>& used_shaders,
float dicing_rate,
int max_subdivisions)
{
Mesh basemesh;
create_mesh(scene, &basemesh, b_mesh, used_shaders);
SubdParams sdparams(mesh, 0, true, false);
sdparams.dicing_rate = max(0.1f, RNA_float_get(cmesh, "dicing_rate") * dicing_rate);
sdparams.max_level = max_subdivisions;
scene->camera->update();
sdparams.camera = scene->camera;
sdparams.objecttoworld = get_transform(b_ob.matrix_world());
/* tesselate */
DiagSplit dsplit(sdparams);
basemesh.tessellate(&dsplit);
}
static Mesh* process_mesh(struct aiMesh* mesh, struct aiScene* scene) {
Vertex **vertices = malloc(sizeof(Vertex *) * mesh->mNumVertices);
for (int i = 0; i < mesh->mNumVertices; i++) {
vertices[i] = malloc(sizeof(Vertex));
}
// Process vertices
if (mesh->mVertices && mesh->mNumVertices > 0) {
for (int i = 0; i < mesh->mNumVertices; i++) {
struct aiVector3D position = mesh->mVertices[i];
vertices[i]->position = create_vec(position.x, position.y, position.z, 1.0);
}
} else {
gl_log(INFO, "A mesh was processed with no vertices.");
}
// Process normals
if (mesh->mNormals) {
for (int i = 0; i < mesh->mNumVertices; i++) {
struct aiVector3D normal = mesh->mNormals[i];
vertices[i]->normal = create_vec(normal.x, normal.y, normal.z, 1.0);
}
} else {
gl_log(INFO, "A mesh was processed with no normals.");
}
// Process texture coords
if (mesh->mTextureCoords[0]) {
for (int i = 0; i < mesh->mNumVertices; i++) {
struct aiVector3D texture = mesh->mTextureCoords[0][i];
vertices[i]->texture_coords = create_vec(texture.x, texture.y, texture.z, 1.0);
}
} else {
for (int i = 0; i < mesh->mNumVertices; i++) {
vertices[i]->texture_coords = 0;
}
gl_log(INFO, "A mesh was processed with no texture coordinates.");
}
// Process material
Texture* mesh_texture = malloc(sizeof(Texture));
Material* mesh_material = malloc(sizeof(Material));
if (mesh->mMaterialIndex >= 0) {
struct aiString path;
struct aiMaterial *material = scene->mMaterials[mesh->mMaterialIndex];
aiGetMaterialTexture(material, aiTextureType_DIFFUSE, 0, &path, 0, 0, 0, 0, 0, 0);
mesh_texture->id = create_texture(path.data);
struct aiColor4D color;
aiGetMaterialColor(material, AI_MATKEY_COLOR_DIFFUSE, &color);
mesh_material->diffuse_color = create_vec(color.r, color.g, color.b, color.a);
aiGetMaterialColor(material, AI_MATKEY_COLOR_AMBIENT, &color);
mesh_material->ambient_color = create_vec(color.r, color.g, color.b, color.a);
aiGetMaterialColor(material, AI_MATKEY_COLOR_SPECULAR, &color);
mesh_material->specular_color = create_vec(color.r, color.g, color.b, color.a);
} else {
gl_log(INFO, "A mesh was processed with no material.");
}
return create_mesh(vertices, mesh->mNumVertices, mesh_texture, mesh_material);
}
int main(void)
{
GLuint pid;
ALLEGRO_DISPLAY *d;
ALLEGRO_EVENT_QUEUE *queue;
ALLEGRO_EVENT event;
int frames = 0;
double start;
if (!al_init()) {
abort_example("Could not init Allegro.\n");
return 1;
}
al_set_new_display_flags(ALLEGRO_OPENGL);
al_set_new_display_option(ALLEGRO_SAMPLE_BUFFERS, 1, ALLEGRO_SUGGEST);
al_set_new_display_option(ALLEGRO_SAMPLES, 4, ALLEGRO_SUGGEST);
d = al_create_display(WINDOW_W, WINDOW_H);
if (!d) {
abort_example("Unable to open a OpenGL display.\n");
return -1;
}
if (al_get_display_option(ALLEGRO_SAMPLE_BUFFERS)) {
printf("With multisampling, level %i\n", al_get_display_option(ALLEGRO_SAMPLES));
}
else {
printf("Without multisampling.\n");
}
al_install_keyboard();
queue = al_create_event_queue();
al_register_event_source(queue, al_get_keyboard_event_source());
al_register_event_source(queue, al_get_display_event_source(d));
if (al_get_opengl_extension_list()->ALLEGRO_GL_ARB_multisample) {
glEnable(GL_MULTISAMPLE_ARB);
}
if (!al_get_opengl_extension_list()->ALLEGRO_GL_ARB_vertex_program) {
abort_example("This example requires a video card that supports "
" the ARB_vertex_program extension.\n");
return -1;
}
glEnable(GL_DEPTH_TEST);
glShadeModel(GL_SMOOTH);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glDisable(GL_CULL_FACE);
/* Setup projection and modelview matrices */
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0, WINDOW_W/(float)WINDOW_H, 0.1, 100.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
/* Position the camera to look at our mesh from a distance */
gluLookAt(0.0f, 20.0f, -45.0f, 0.0f, 0.0f, 0.0f, 0, 1, 0);
create_mesh();
/* Define the vertex program */
glEnable(GL_VERTEX_PROGRAM_ARB);
glGenProgramsARB(1, &pid);
glBindProgramARB(GL_VERTEX_PROGRAM_ARB, pid);
glGetError();
if (al_get_opengl_extension_list()->ALLEGRO_GL_NV_vertex_program2_option) {
glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
strlen(program_nv), program_nv);
}
else {
glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
strlen(program), program);
}
/* Check for errors */
if (glGetError()) {
const char *pgm = al_get_opengl_extension_list()->ALLEGRO_GL_NV_vertex_program2_option
? program_nv : program;
GLint error_pos;
const GLubyte *error_str = glGetString(GL_PROGRAM_ERROR_STRING_ARB);
glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &error_pos);
abort_example("Error compiling the vertex program:\n%s\n\nat "
"character: %i\n%s\n", error_str, (int)error_pos,
pgm + error_pos);
return -1;
}
start = al_current_time();
while (1) {
if (!al_event_queue_is_empty(queue)) {
while (al_get_next_event(queue, &event)) {
switch (event.type) {
case ALLEGRO_EVENT_DISPLAY_CLOSE:
goto done;
case ALLEGRO_EVENT_KEY_DOWN:
if (event.keyboard.keycode == ALLEGRO_KEY_ESCAPE)
goto done;
break;
}
}
}
draw_mesh();
al_flip_display();
frames++;
}
done:
printf("%.1f FPS\n", frames / (al_current_time() - start));
glDeleteProgramsARB(1, &pid);
al_destroy_event_queue(queue);
return 0;
}
int main()
{
/* Really this is for testing purposes, in no way will this be the final usage */
GFXContext context;
context.major = 0;
context.minor = 0;
if(!gfx_init(context, GFX_ERROR_MODE_DEBUG))
{
GFXError error;
if(gfx_errors_peek(&error)) print_error(error);
return 0;
}
/* Setup 2 windows */
GFXColorDepth depth;
depth.redBits = 8;
depth.greenBits = 8;
depth.blueBits = 8;
GFXWindow* window1 = gfx_window_create(NULL, 0, &depth, "Window Unos", 100, 100, 800, 600, GFX_WINDOW_RESIZABLE);
GFXWindow* window2 = gfx_window_create(NULL, 0, &depth, "Window Deux", 200, 200, 800, 600, GFX_WINDOW_RESIZABLE);
/* Pipeline */
GFXPipeline* pipeline = gfx_pipeline_create();
char targets[] = { 0 };
GFXViewport viewport = { 0, 0, 800, 600 };
pipeline->viewport = viewport;
gfx_pipeline_target(pipeline, 1, targets);
GFXPipe* bucket = gfx_pipeline_push_bucket(pipeline, 0);
gfx_pipe_get_state(bucket)->render.state = GFX_STATE_DEFAULT | GFX_CLEAR_COLOR;
/* Texture */
GFXTextureFormat format;
format.components = 3;
format.type.unpacked = GFX_UNSIGNED_BYTE;
format.interpret = GFX_INTERPRET_NORMALIZED;
GFXTexture* tex = gfx_texture_create(GFX_TEXTURE_2D, format, 0, 800, 600, 1);
GFXTextureImage image;
image.texture = tex;
image.mipmap = 0;
image.layer = 0;
gfx_pipeline_attach(pipeline, image, GFX_COLOR_ATTACHMENT, 0);
/* Post processing */
const char* vertSrc =
"in ivec4 data;"
"out vec2 coord;"
"void main() {"
"gl_Position = vec4(data.xy, 0, 1);"
"coord = data.zw;"
"}";
const char* fragSrcA =
"in vec2 coord;"
"out vec3 color;"
"uniform sampler2D tex;"
"void main() {"
"color = vec3(1.0f) - texture(tex, coord).rgb;"
"}";
const char* fragSrcB =
"in vec2 coord;"
"out vec3 color;"
"uniform sampler2D tex;"
"void main() {"
"color = texture(tex, coord).rgb;"
"}";
GFXShader* vert = gfx_shader_create(GFX_VERTEX_SHADER);
GFXShader* frag = gfx_shader_create(GFX_FRAGMENT_SHADER);
gfx_shader_set_source(vert, 1, &vertSrc, NULL);
gfx_shader_set_source(frag, 1, &fragSrcA, NULL);
GFXShader* shaders[] = { vert, frag };
GFXPipe* pipeA = gfx_pipeline_push_process(pipeline, window1, 0);
GFXProgram* programA = gfx_pipe_process_add(pipeA->process, GFX_ALL_SHADERS, 1);
gfx_program_set_attribute(programA, 0, "data");
gfx_program_link(programA, 2, shaders, 0);
gfx_shader_set_source(frag, 1, &fragSrcB, NULL);
GFXPipe* pipeB = gfx_pipeline_push_process(pipeline, window2, 0);
GFXProgram* programB = gfx_pipe_process_add(pipeB->process, GFX_ALL_SHADERS, 1);
gfx_program_set_attribute(programB, 0, "data");
gfx_program_link(programB, 2, shaders, 0);
gfx_shader_free(vert);
gfx_shader_free(frag);
/* Property map */
GFXSampler sampler =
{
.minFilter = GFX_FILTER_LINEAR,
.mipFilter = GFX_FILTER_NEAREST,
.magFilter = GFX_FILTER_LINEAR,
.maxAnisotropy = 1.0f,
.lodMin = 0,
.lodMax = 0,
.wrapS = GFX_WRAP_REPEAT,
.wrapT = GFX_WRAP_REPEAT,
.wrapR = GFX_WRAP_REPEAT
};
GFXPropertyMap* mapA = gfx_pipe_process_get_map(pipeA->process, 1);
GFXPropertyMap* mapB = gfx_pipe_process_get_map(pipeB->process, 1);
gfx_property_map_forward_named(mapA, 0, 0, 0, GFX_FRAGMENT_SHADER, "tex");
gfx_property_map_set_sampler(mapA, 0, 0, sampler);
gfx_property_map_set_texture(mapA, 0, 0, tex);
gfx_property_map_forward_named(mapB, 0, 0, 0, GFX_FRAGMENT_SHADER, "tex");
gfx_property_map_set_sampler_share(mapB, 0, 0, mapA, 0, 0);
gfx_property_map_set_texture(mapB, 0, 0, tex);
/* Mesh and material */
GFXMaterial* material = create_material();
GFXMesh* mesh = create_mesh();
/* Batch */
GFXBatch* batch = gfx_batch_create(
bucket->bucket, material, mesh, 0, 0, 1, 1);
gfx_batch_set_level(
batch, 0, 0, 0, 1);
gfx_batch_set(
batch, 0, 1, 1);
/* Setup a loop */
while(gfx_poll_events() && gfx_get_num_windows())
{
/* Execute pipeline & swap buffers */
gfx_pipeline_execute(pipeline, 0);
/* Print time */
//double time = gfx_get_time();
//gfx_set_time(0.0);
//printf("%f\n", 1.0 / time);
/* Print all the errors! */
GFXError error;
while(gfx_errors_peek(&error))
{
print_error(error);
gfx_errors_pop();
}
}
/* Free all the things */
gfx_batch_free(batch);
gfx_mesh_free(mesh);
gfx_material_free(material);
gfx_program_map_free(programMap);
gfx_texture_free(tex);
gfx_pipeline_free(pipeline);
gfx_window_free(window1);
gfx_window_free(window2);
gfx_terminate();
return 0;
}
void test_getEntArrAdj_down()
{
iMesh_Instance mesh = create_mesh();
int err;
// get quads adjacent to a edge-row of hexes
iBase_EntityHandle *adj = 0;
int *off = 0;
int adj_alloc = 0, off_alloc = 0;
int adj_size = -1, off_size = -1;
iMesh_getEntArrAdj( mesh, HEXES[0][0], INTERVALS, iBase_FACE,
&adj, &adj_alloc, &adj_size,
&off, &off_alloc, &off_size,
&err );
CHECK_EQUAL( iBase_SUCCESS, err );
CHECK( 0 != adj );
CHECK( 0 != off );
CHECK_EQUAL( 2*INTERVALS+2, adj_size ); // corner hexes adj to 3 faces, others adj to 2
CHECK_EQUAL( INTERVALS+1, off_size ); // one more than number of input handles
CHECK( adj_alloc >= adj_size );
CHECK( off_alloc >= off_size );
// first (corner) hex should have three adjacent faces
CHECK_EQUAL( 3, off[1] - off[0] );
iBase_EntityHandle exp[3] = { FACES[0][0][0],
FACES[3][0][0],
FACES[4][0][0] };
iBase_EntityHandle act[3];
std::copy( adj + off[0], adj+off[1], act );
std::sort( exp, exp+3 );
std::sort( act, act+3 );
CHECK_ARRAYS_EQUAL( exp, 3, act, 3 );
// last (corner) hex should have three adjacent faces
CHECK_EQUAL( 3, off[INTERVALS] - off[INTERVALS-1] );
iBase_EntityHandle exp2[3] = { FACES[0][0][INTERVALS-1],
FACES[3][0][INTERVALS-1],
FACES[5][0][0] };
std::copy( adj + off[INTERVALS-1], adj+off[INTERVALS], act );
std::sort( exp2, exp2+3 );
std::sort( act, act+3 );
CHECK_ARRAYS_EQUAL( exp2, 3, act, 3 );
// all middle hexes should have two adjacent faces
for (int i = 1; i < INTERVALS-1; ++i) {
iBase_EntityHandle e1, e2, a1, a2;
e1 = FACES[0][0][i];
e2 = FACES[3][0][i];
if (e1 > e2) std::swap(e1,e2);
CHECK_EQUAL( 2, off[i+1] - off[i] );
a1 = adj[off[i] ];
a2 = adj[off[i]+1];
if (a1 > a2) std::swap(a1,a2);
CHECK_EQUAL( e1, a1 );
CHECK_EQUAL( e2, a2 );
}
free(adj);
free(off);
}
Mesh *BlenderSync::sync_mesh(BL::Object b_ob, bool object_updated, bool hide_tris)
{
/* test if we can instance or if the object is modified */
BL::ID b_ob_data = b_ob.data();
BL::ID key = (BKE_object_is_modified(b_ob))? b_ob: b_ob_data;
BL::Material material_override = render_layer.material_override;
/* find shader indices */
vector<uint> used_shaders;
BL::Object::material_slots_iterator slot;
for(b_ob.material_slots.begin(slot); slot != b_ob.material_slots.end(); ++slot) {
if(material_override)
find_shader(material_override, used_shaders, scene->default_surface);
else
find_shader(slot->material(), used_shaders, scene->default_surface);
}
if(used_shaders.size() == 0) {
if(material_override)
find_shader(material_override, used_shaders, scene->default_surface);
else
used_shaders.push_back(scene->default_surface);
}
/* test if we need to sync */
Mesh *mesh;
if(!mesh_map.sync(&mesh, key)) {
/* if transform was applied to mesh, need full update */
if(object_updated && mesh->transform_applied);
/* test if shaders changed, these can be object level so mesh
* does not get tagged for recalc */
else if(mesh->used_shaders != used_shaders);
else {
/* even if not tagged for recalc, we may need to sync anyway
* because the shader needs different mesh attributes */
bool attribute_recalc = false;
foreach(uint shader, mesh->used_shaders)
if(scene->shaders[shader]->need_update_attributes)
attribute_recalc = true;
if(!attribute_recalc)
return mesh;
}
}
/* ensure we only sync instanced meshes once */
if(mesh_synced.find(mesh) != mesh_synced.end())
return mesh;
mesh_synced.insert(mesh);
/* create derived mesh */
PointerRNA cmesh = RNA_pointer_get(&b_ob_data.ptr, "cycles");
vector<Mesh::Triangle> oldtriangle = mesh->triangles;
/* compares curve_keys rather than strands in order to handle quick hair
* adjustsments in dynamic BVH - other methods could probably do this better*/
vector<float4> oldcurve_keys = mesh->curve_keys;
mesh->clear();
mesh->used_shaders = used_shaders;
mesh->name = ustring(b_ob_data.name().c_str());
if(render_layer.use_surfaces || render_layer.use_hair) {
if(preview)
b_ob.update_from_editmode();
bool need_undeformed = mesh->need_attribute(scene, ATTR_STD_GENERATED);
BL::Mesh b_mesh = object_to_mesh(b_data, b_ob, b_scene, true, !preview, need_undeformed);
if(b_mesh) {
if(render_layer.use_surfaces && !hide_tris) {
if(cmesh.data && experimental && RNA_boolean_get(&cmesh, "use_subdivision"))
create_subd_mesh(scene, mesh, b_mesh, &cmesh, used_shaders);
else
create_mesh(scene, mesh, b_mesh, used_shaders);
create_mesh_volume_attributes(scene, b_ob, mesh);
}
if(render_layer.use_hair)
sync_curves(mesh, b_mesh, b_ob, false);
/* free derived mesh */
b_data.meshes.remove(b_mesh);
}
}
/* displacement method */
if(cmesh.data) {
const int method = RNA_enum_get(&cmesh, "displacement_method");
if(method == 0 || !experimental)
mesh->displacement_method = Mesh::DISPLACE_BUMP;
else if(method == 1)
mesh->displacement_method = Mesh::DISPLACE_TRUE;
else
mesh->displacement_method = Mesh::DISPLACE_BOTH;
}
/* tag update */
bool rebuild = false;
if(oldtriangle.size() != mesh->triangles.size())
rebuild = true;
else if(oldtriangle.size()) {
if(memcmp(&oldtriangle[0], &mesh->triangles[0], sizeof(Mesh::Triangle)*oldtriangle.size()) != 0)
rebuild = true;
}
if(oldcurve_keys.size() != mesh->curve_keys.size())
rebuild = true;
else if(oldcurve_keys.size()) {
if(memcmp(&oldcurve_keys[0], &mesh->curve_keys[0], sizeof(float4)*oldcurve_keys.size()) != 0)
rebuild = true;
}
mesh->tag_update(scene, rebuild);
return mesh;
}
void test_getEntArrAdj_conn()
{
iMesh_Instance mesh = create_mesh();
int err;
// test hex vertices
for (int i = 0; i < INTERVALS; ++i) {
for (int j = 0; j < INTERVALS; ++j) {
iBase_EntityHandle adj[8*INTERVALS];
int off[INTERVALS+1];
int adj_alloc = sizeof(adj)/sizeof(adj[0]);
int off_alloc = sizeof(off)/sizeof(off[0]);
int adj_size = -1, off_size = -1;
iBase_EntityHandle* adj_ptr = adj;
int* off_ptr = off;
iMesh_getEntArrAdj( mesh, HEXES[i][j], INTERVALS, iBase_VERTEX,
&adj_ptr, &adj_alloc, &adj_size,
&off_ptr, &off_alloc, &off_size,
&err );
CHECK_EQUAL( &adj[0], adj_ptr );
CHECK_EQUAL( &off[0], off_ptr );
CHECK_EQUAL( iBase_SUCCESS, err );
CHECK_EQUAL( 8*INTERVALS, adj_size );
CHECK_EQUAL( 8*INTERVALS, adj_alloc );
CHECK_EQUAL( INTERVALS+1, off_size );
CHECK_EQUAL( INTERVALS+1, off_alloc );
for (int k = 0; k < INTERVALS; ++k) {
CHECK_EQUAL( 8*k, off[k] );
iBase_EntityHandle conn[8];
HEX_VERTS( i, j, k, conn );
CHECK_ARRAYS_EQUAL( conn, 8, adj + off[k], off[k+1]-off[k] );
}
}
}
// test quad vertices for one side of mesh
const int f = 0;
for (int i = 0; i < INTERVALS; ++i) {
iBase_EntityHandle adj[4*INTERVALS];
int off[INTERVALS+1];
int adj_alloc = sizeof(adj)/sizeof(adj[0]);
int off_alloc = sizeof(off)/sizeof(off[0]);
int adj_size = -1, off_size = -1;
iBase_EntityHandle* adj_ptr = adj;
int* off_ptr = off;
iMesh_getEntArrAdj( mesh, FACES[f][i], INTERVALS, iBase_VERTEX,
&adj_ptr, &adj_alloc, &adj_size,
&off_ptr, &off_alloc, &off_size,
&err );
CHECK_EQUAL( &adj[0], adj_ptr );
CHECK_EQUAL( &off[0], off_ptr );
CHECK_EQUAL( iBase_SUCCESS, err );
CHECK_EQUAL( 4*INTERVALS, adj_size );
CHECK_EQUAL( 4*INTERVALS, adj_alloc );
CHECK_EQUAL( INTERVALS+1, off_size );
CHECK_EQUAL( INTERVALS+1, off_alloc );
for (int k = 0; k < INTERVALS; ++k) {
CHECK_EQUAL( 4*k, off[k] );
iBase_EntityHandle conn[4];
QUAD_VERTS( f, i, k, conn );
CHECK_ARRAYS_EQUAL( conn, 4, adj + off[k], off[k+1]-off[k] );
}
}
}
void draw()
{
int mesh = 0, multi = 0, meshcolor = 0;
switch (state) {
case STATE_GRAY_SOURCE:
parg_shader_bind(P_GRAY);
parg_texture_bind(graytex, 0);
parg_uniform1f(U_ZSCALE, 1);
break;
case STATE_COLOR_IH:
mesh = 1;
parg_shader_bind(P_GRAYMESH);
parg_uniform1f(U_ZSCALE, 0.3);
break;
case STATE_COLOR_DHSCSI:
mesh = multi = 1;
parg_shader_bind(P_GRAYMESH);
parg_uniform1f(U_ZSCALE, 0.3);
break;
case STATE_MULTI_RGBA:
case STATE_MULTI_RGB:
case STATE_MULTI_DIAGRAM:
meshcolor = mesh = multi = 1;
parg_shader_bind(P_GRAYMESH);
parg_uniform1f(U_ZSCALE, 0.25);
break;
case STATE_COLOR_DEFAULT:
case STATE_GRAY_DEFAULT:
case STATE_GRAY_SIMPLIFY:
case STATE_GRAY_INVERT:
case STATE_GRAY_HEIGHTS:
mesh = 1;
parg_shader_bind(P_GRAYMESH);
parg_uniform1f(U_ZSCALE, 1);
break;
case STATE_GRAY_MULTI:
mesh = multi = 1;
parg_shader_bind(P_GRAYMESH);
parg_texture_bind(colortex, 0);
parg_uniform1f(U_ZSCALE, 0.3);
break;
case STATE_GRAY_DUAL:
mesh = multi = 1;
parg_shader_bind(P_GRAYMESH);
parg_texture_bind(colortex, 0);
parg_uniform1f(U_ZSCALE, 1);
break;
case STATE_GRAY_DHS:
case STATE_GRAY_DHSC:
mesh = multi = 1;
parg_shader_bind(P_GRAYMESH);
parg_texture_bind(colortex, 0);
parg_uniform1f(U_ZSCALE, 0.5);
break;
case STATE_COLOR_SOURCE:
parg_texture_bind(colortex, 0);
parg_shader_bind(P_COLOR);
parg_uniform1f(U_ZSCALE, 1);
break;
default:
break;
}
if (mesh) {
for (int i = 0; i < sizeof(trimesh) / sizeof(trimesh[0]); i++) {
parg_mesh_free(trimesh[i]);
}
memset(trimesh, 0, sizeof(trimesh));
create_mesh();
}
Matrix4 model;
if (mesh) {
model = M4MakeScale(V3MakeFromElems(20, 20, 10));
model = M4Mul(M4MakeTranslation(V3MakeFromElems(-10, -10, 0)), model);
} else {
model = M4MakeIdentity();
}
Matrix4 modelview = M4Mul(view, model);
Matrix4 mvp = M4Mul(projection, modelview);
parg_uniform_matrix4f(U_MVP, &mvp);
parg_draw_clear();
if (mesh) {
Vector4 colors[3];
colors[0] = (Vector4){0, 0.6, 0.9, 1};
colors[1] = (Vector4){0, 0.9, 0.6, 1};
colors[2] = (Vector4){0.9, 0.6, 0, 1};
Vector4 black = {0, 0, 0, 1.0};
for (int imesh = 0; imesh < nmeshes; imesh++) {
parg_varray_enable(parg_mesh_coord(trimesh[imesh]), A_POSITION, 3,
PARG_FLOAT, 0, 0);
parg_varray_bind(parg_mesh_index(trimesh[imesh]));
if (meshcolor) {
unsigned int b = meshcolors[imesh] & 0xff;
unsigned int g = (meshcolors[imesh] >> 8) & 0xff;
unsigned int r = (meshcolors[imesh] >> 16) & 0xff;
unsigned int a = (meshcolors[imesh] >> 24) & 0xff;
Vector4 color;
color.x = r / 255.0f;
color.y = g / 255.0f;
color.z = b / 255.0f;
color.w = a / 255.0f;
parg_uniform4f(U_COLOR, &color);
} else {
parg_uniform4f(U_COLOR, &colors[imesh]);
}
parg_draw_triangles_u16(0, parg_mesh_ntriangles(trimesh[imesh]));
parg_uniform4f(U_COLOR, &black);
parg_draw_wireframe_triangles_u16(
0, parg_mesh_ntriangles(trimesh[imesh]));
}
} else {
void recv_create_mesh(void)
{
int i = recv_index();
create_mesh(i);
}
/**
* メッシュ情報を読み込む
*
* @param mesh メッシュ情報
*/
void FbxFileLoader::load_mesh( FbxMesh* mesh )
{
if ( ! mesh )
{
return;
}
if ( ! get_model()->get_mesh() )
{
get_model()->set_mesh( create_mesh() );
}
VertexIndexMap vertex_index_map;
VertexList vertex_list;
Mesh::PositionList position_list;
Mesh::VertexWeightList vertex_weight_list;
// load_mesh_vertex()
for ( int n = 0; n < mesh->GetControlPointsCount(); n++ )
{
FbxVector4 v = mesh->GetControlPointAt( n );
position_list.push_back(
Mesh::Position(
static_cast< float >( v[ 0 ] ),
static_cast< float >( v[ 1 ] ),
static_cast< float >( v[ 2 ] ) ) );
}
// load_mesh_vertex_weight()
{
int skin_count = mesh->GetDeformerCount( FbxDeformer::eSkin );
if ( skin_count > 0 )
{
assert( skin_count == 1 );
vertex_weight_list.resize( position_list.size() );
FbxSkin* skin = FbxCast< FbxSkin >( mesh->GetDeformer( 0, FbxDeformer::eSkin ) );
load_mesh_vertex_weight( skin, vertex_weight_list );
}
}
FbxLayerElementSmoothing* smoothing = 0;
// load_mesh_smoothing_info()
{
FbxLayer* layer = mesh->GetLayer( 0 );
smoothing = layer->GetSmoothing();
}
if ( ! smoothing )
{
COMMON_THROW_EXCEPTION_MESSAGE( "this FBX format is not supported. ( no smoothing info )" );
}
// load_mesh_plygon()
FbxLayerElementArrayTemplate< int >* material_indices;
mesh->GetMaterialIndices( & material_indices );
for ( int n = 0; n < mesh->GetPolygonCount(); n++ )
{
Mesh::VertexGroup* vertex_group = get_model()->get_mesh()->get_vertex_group_at( material_indices->GetAt( n ) );
bool is_smooth = smoothing->GetDirectArray().GetAt( n ) != 0;
FbxVector4 polygon_normal( 0.f, 0.f, 0.f );
if ( ! is_smooth )
{
// ポリゴンの法線を計算する
Mesh::Position p1( position_list.at( mesh->GetPolygonVertex( n, 0 ) ) );
Mesh::Position p2( position_list.at( mesh->GetPolygonVertex( n, 1 ) ) );
Mesh::Position p3( position_list.at( mesh->GetPolygonVertex( n, 2 ) ) );
FbxVector4 a = FbxVector4( p1.x(), p1.y(), p1.z() );
FbxVector4 b = FbxVector4( p2.x(), p2.y(), p2.z() );
FbxVector4 c = FbxVector4( p3.x(), p3.y(), p3.z() );
FbxVector4 ab( b - a );
FbxVector4 bc( c - b );
polygon_normal = ab.CrossProduct( bc );
polygon_normal.Normalize();
}
for ( int m = 0; m < mesh->GetPolygonSize( n ); m++ )
{
int position_index = mesh->GetPolygonVertex( n, m );
Mesh::Vertex v;
v.Position = Mesh::Position( position_list.at( position_index ) );
FbxVector2 uv_vector;
bool unmapped;
if ( mesh->GetPolygonVertexUV( n, m, "UVMap", uv_vector, unmapped) )
{
v.TexCoord = Mesh::TexCoord(
static_cast< float >( uv_vector[ 0 ] ),
1.f - static_cast< float >( uv_vector[ 1 ] ) );
}
if ( is_smooth )
{
FbxVector4 normal_vector;
// 頂点の法線
if ( mesh->GetPolygonVertexNormal( n, m, normal_vector ) )
{
v.Normal = Mesh::Normal(
static_cast< float >( normal_vector[ 0 ] ),
static_cast< float >( normal_vector[ 1 ] ),
static_cast< float >( normal_vector[ 2 ] ) );
}
}
else
{
// ポリゴンの法線
v.Normal = Mesh::Normal(
static_cast< float >( polygon_normal[ 0 ] ),
static_cast< float >( polygon_normal[ 1 ] ),
static_cast< float >( polygon_normal[ 2 ] ) );
}
// 頂点の一覧に追加
{
VertexIndexMap::iterator i = vertex_index_map.find( v );
if ( i != vertex_index_map.end() )
{
vertex_group->add_index( i->second );
}
else
{
Mesh::Index vertex_index = static_cast< Mesh::Index >( get_model()->get_mesh()->get_vertex_count() );
get_model()->get_mesh()->add_vertex( v );
if ( ! vertex_weight_list.empty() )
{
get_model()->get_mesh()->add_vertex_weight( vertex_weight_list.at( position_index ) );
}
vertex_group->add_index( vertex_index );
vertex_index_map[ v ] = vertex_index;
}
}
}
}
}
Mesh *BlenderSync::sync_mesh(BL::Depsgraph &b_depsgraph,
BL::Object &b_ob,
BL::Object &b_ob_instance,
bool object_updated,
bool show_self,
bool show_particles)
{
/* test if we can instance or if the object is modified */
BL::ID b_ob_data = b_ob.data();
BL::ID key = (BKE_object_is_modified(b_ob)) ? b_ob_instance : b_ob_data;
BL::Material material_override = view_layer.material_override;
/* find shader indices */
vector<Shader *> used_shaders;
BL::Object::material_slots_iterator slot;
for (b_ob.material_slots.begin(slot); slot != b_ob.material_slots.end(); ++slot) {
if (material_override) {
find_shader(material_override, used_shaders, scene->default_surface);
}
else {
BL::ID b_material(slot->material());
find_shader(b_material, used_shaders, scene->default_surface);
}
}
if (used_shaders.size() == 0) {
if (material_override)
find_shader(material_override, used_shaders, scene->default_surface);
else
used_shaders.push_back(scene->default_surface);
}
/* test if we need to sync */
int requested_geometry_flags = Mesh::GEOMETRY_NONE;
if (view_layer.use_surfaces) {
requested_geometry_flags |= Mesh::GEOMETRY_TRIANGLES;
}
if (view_layer.use_hair) {
requested_geometry_flags |= Mesh::GEOMETRY_CURVES;
}
Mesh *mesh;
if (!mesh_map.sync(&mesh, key)) {
/* if transform was applied to mesh, need full update */
if (object_updated && mesh->transform_applied)
;
/* test if shaders changed, these can be object level so mesh
* does not get tagged for recalc */
else if (mesh->used_shaders != used_shaders)
;
else if (requested_geometry_flags != mesh->geometry_flags)
;
else {
/* even if not tagged for recalc, we may need to sync anyway
* because the shader needs different mesh attributes */
bool attribute_recalc = false;
foreach (Shader *shader, mesh->used_shaders)
if (shader->need_update_mesh)
attribute_recalc = true;
if (!attribute_recalc)
return mesh;
}
}
/* ensure we only sync instanced meshes once */
if (mesh_synced.find(mesh) != mesh_synced.end())
return mesh;
progress.set_sync_status("Synchronizing object", b_ob.name());
mesh_synced.insert(mesh);
/* create derived mesh */
array<int> oldtriangles;
array<Mesh::SubdFace> oldsubd_faces;
array<int> oldsubd_face_corners;
oldtriangles.steal_data(mesh->triangles);
oldsubd_faces.steal_data(mesh->subd_faces);
oldsubd_face_corners.steal_data(mesh->subd_face_corners);
/* compares curve_keys rather than strands in order to handle quick hair
* adjustments in dynamic BVH - other methods could probably do this better*/
array<float3> oldcurve_keys;
array<float> oldcurve_radius;
oldcurve_keys.steal_data(mesh->curve_keys);
oldcurve_radius.steal_data(mesh->curve_radius);
mesh->clear();
mesh->used_shaders = used_shaders;
mesh->name = ustring(b_ob_data.name().c_str());
if (requested_geometry_flags != Mesh::GEOMETRY_NONE) {
/* Adaptive subdivision setup. Not for baking since that requires
* exact mapping to the Blender mesh. */
if (scene->bake_manager->get_baking()) {
mesh->subdivision_type = Mesh::SUBDIVISION_NONE;
}
else {
mesh->subdivision_type = object_subdivision_type(b_ob, preview, experimental);
}
/* For some reason, meshes do not need this... */
bool need_undeformed = mesh->need_attribute(scene, ATTR_STD_GENERATED);
BL::Mesh b_mesh = object_to_mesh(
b_data, b_ob, b_depsgraph, need_undeformed, mesh->subdivision_type);
if (b_mesh) {
/* Sync mesh itself. */
if (view_layer.use_surfaces && show_self) {
if (mesh->subdivision_type != Mesh::SUBDIVISION_NONE)
create_subd_mesh(scene, mesh, b_ob, b_mesh, used_shaders, dicing_rate, max_subdivisions);
else
create_mesh(scene, mesh, b_mesh, used_shaders, false);
create_mesh_volume_attributes(scene, b_ob, mesh, b_scene.frame_current());
}
/* Sync hair curves. */
if (view_layer.use_hair && show_particles &&
mesh->subdivision_type == Mesh::SUBDIVISION_NONE) {
sync_curves(mesh, b_mesh, b_ob, false);
}
free_object_to_mesh(b_data, b_ob, b_mesh);
}
}
mesh->geometry_flags = requested_geometry_flags;
/* fluid motion */
sync_mesh_fluid_motion(b_ob, scene, mesh);
/* tag update */
bool rebuild = (oldtriangles != mesh->triangles) || (oldsubd_faces != mesh->subd_faces) ||
(oldsubd_face_corners != mesh->subd_face_corners) ||
(oldcurve_keys != mesh->curve_keys) || (oldcurve_radius != mesh->curve_radius);
mesh->tag_update(scene, rebuild);
return mesh;
}
Mesh *BlenderSync::sync_mesh(BL::Object b_ob, bool object_updated)
{
/* test if we can instance or if the object is modified */
BL::ID b_ob_data = b_ob.data();
BL::ID key = (object_is_modified(b_ob))? b_ob: b_ob_data;
/* find shader indices */
vector<uint> used_shaders;
BL::Object::material_slots_iterator slot;
for(b_ob.material_slots.begin(slot); slot != b_ob.material_slots.end(); ++slot) {
BL::Material material_override = render_layers.front().material_override;
if(material_override)
find_shader(material_override, used_shaders, scene->default_surface);
else
find_shader(slot->material(), used_shaders, scene->default_surface);
}
if(used_shaders.size() == 0)
used_shaders.push_back(scene->default_surface);
/* test if we need to sync */
Mesh *mesh;
if(!mesh_map.sync(&mesh, key)) {
/* if transform was applied to mesh, need full update */
if(object_updated && mesh->transform_applied);
/* test if shaders changed, these can be object level so mesh
does not get tagged for recalc */
else if(mesh->used_shaders != used_shaders);
else {
/* even if not tagged for recalc, we may need to sync anyway
* because the shader needs different mesh attributes */
bool attribute_recalc = false;
foreach(uint shader, mesh->used_shaders)
if(scene->shaders[shader]->need_update_attributes)
attribute_recalc = true;
if(!attribute_recalc)
return mesh;
}
}
/* ensure we only sync instanced meshes once */
if(mesh_synced.find(mesh) != mesh_synced.end())
return mesh;
mesh_synced.insert(mesh);
/* create derived mesh */
BL::Mesh b_mesh = object_to_mesh(b_ob, b_scene, true, !preview);
PointerRNA cmesh = RNA_pointer_get(&b_ob_data.ptr, "cycles");
vector<Mesh::Triangle> oldtriangle = mesh->triangles;
mesh->clear();
mesh->used_shaders = used_shaders;
mesh->name = ustring(b_ob_data.name().c_str());
if(b_mesh) {
if(cmesh.data && experimental && RNA_boolean_get(&cmesh, "use_subdivision"))
create_subd_mesh(mesh, b_mesh, &cmesh, used_shaders);
else
create_mesh(scene, mesh, b_mesh, used_shaders);
/* free derived mesh */
object_remove_mesh(b_data, b_mesh);
}
/* displacement method */
if(cmesh.data) {
int method = RNA_enum_get(&cmesh, "displacement_method");
if(method == 0 || !experimental)
mesh->displacement_method = Mesh::DISPLACE_BUMP;
else if(method == 1)
mesh->displacement_method = Mesh::DISPLACE_TRUE;
else
mesh->displacement_method = Mesh::DISPLACE_BOTH;
}
/* tag update */
bool rebuild = false;
if(oldtriangle.size() != mesh->triangles.size())
rebuild = true;
else if(oldtriangle.size()) {
if(memcmp(&oldtriangle[0], &mesh->triangles[0], sizeof(Mesh::Triangle)*oldtriangle.size()) != 0)
rebuild = true;
}
mesh->tag_update(scene, rebuild);
return mesh;
}
Mesh *BlenderSync::sync_mesh(BL::Object& b_ob,
bool object_updated,
bool hide_tris)
{
/* When viewport display is not needed during render we can force some
* caches to be releases from blender side in order to reduce peak memory
* footprint during synchronization process.
*/
const bool is_interface_locked = b_engine.render() &&
b_engine.render().use_lock_interface();
const bool can_free_caches = BlenderSession::headless || is_interface_locked;
/* test if we can instance or if the object is modified */
BL::ID b_ob_data = b_ob.data();
BL::ID key = (BKE_object_is_modified(b_ob))? b_ob: b_ob_data;
BL::Material material_override = render_layer.material_override;
/* find shader indices */
vector<uint> used_shaders;
BL::Object::material_slots_iterator slot;
for(b_ob.material_slots.begin(slot); slot != b_ob.material_slots.end(); ++slot) {
if(material_override) {
find_shader(material_override, used_shaders, scene->default_surface);
}
else {
BL::ID b_material(slot->material());
find_shader(b_material, used_shaders, scene->default_surface);
}
}
if(used_shaders.size() == 0) {
if(material_override)
find_shader(material_override, used_shaders, scene->default_surface);
else
used_shaders.push_back(scene->default_surface);
}
/* test if we need to sync */
int requested_geometry_flags = Mesh::GEOMETRY_NONE;
if(render_layer.use_surfaces) {
requested_geometry_flags |= Mesh::GEOMETRY_TRIANGLES;
}
if(render_layer.use_hair) {
requested_geometry_flags |= Mesh::GEOMETRY_CURVES;
}
Mesh *mesh;
if(!mesh_map.sync(&mesh, key)) {
/* if transform was applied to mesh, need full update */
if(object_updated && mesh->transform_applied);
/* test if shaders changed, these can be object level so mesh
* does not get tagged for recalc */
else if(mesh->used_shaders != used_shaders);
else if(requested_geometry_flags != mesh->geometry_flags);
else {
/* even if not tagged for recalc, we may need to sync anyway
* because the shader needs different mesh attributes */
bool attribute_recalc = false;
foreach(uint shader, mesh->used_shaders)
if(scene->shaders[shader]->need_update_attributes)
attribute_recalc = true;
if(!attribute_recalc)
return mesh;
}
}
/* ensure we only sync instanced meshes once */
if(mesh_synced.find(mesh) != mesh_synced.end())
return mesh;
mesh_synced.insert(mesh);
/* create derived mesh */
PointerRNA cmesh = RNA_pointer_get(&b_ob_data.ptr, "cycles");
vector<Mesh::Triangle> oldtriangle = mesh->triangles;
/* compares curve_keys rather than strands in order to handle quick hair
* adjustments in dynamic BVH - other methods could probably do this better*/
vector<float4> oldcurve_keys = mesh->curve_keys;
mesh->clear();
mesh->used_shaders = used_shaders;
mesh->name = ustring(b_ob_data.name().c_str());
if(requested_geometry_flags != Mesh::GEOMETRY_NONE) {
/* mesh objects does have special handle in the dependency graph,
* they're ensured to have properly updated.
*
* updating meshes here will end up having derived mesh referencing
* freed data from the blender side.
*/
if(preview && b_ob.type() != BL::Object::type_MESH)
b_ob.update_from_editmode();
bool need_undeformed = mesh->need_attribute(scene, ATTR_STD_GENERATED);
BL::Mesh b_mesh = object_to_mesh(b_data, b_ob, b_scene, true, !preview, need_undeformed);
if(b_mesh) {
if(render_layer.use_surfaces && !hide_tris) {
if(cmesh.data && experimental && RNA_boolean_get(&cmesh, "use_subdivision"))
create_subd_mesh(scene, mesh, b_mesh, &cmesh, used_shaders);
else
create_mesh(scene, mesh, b_mesh, used_shaders);
create_mesh_volume_attributes(scene, b_ob, mesh, b_scene.frame_current());
}
if(render_layer.use_hair)
sync_curves(mesh, b_mesh, b_ob, false);
if(can_free_caches) {
b_ob.cache_release();
}
/* free derived mesh */
b_data.meshes.remove(b_mesh);
}
}
mesh->geometry_flags = requested_geometry_flags;
/* displacement method */
if(cmesh.data) {
const int method = get_enum(cmesh, "displacement_method");
if(method == 0 || !experimental)
mesh->displacement_method = Mesh::DISPLACE_BUMP;
else if(method == 1)
mesh->displacement_method = Mesh::DISPLACE_TRUE;
else
mesh->displacement_method = Mesh::DISPLACE_BOTH;
}
/* tag update */
bool rebuild = false;
if(oldtriangle.size() != mesh->triangles.size())
rebuild = true;
else if(oldtriangle.size()) {
if(memcmp(&oldtriangle[0], &mesh->triangles[0], sizeof(Mesh::Triangle)*oldtriangle.size()) != 0)
rebuild = true;
}
if(oldcurve_keys.size() != mesh->curve_keys.size())
rebuild = true;
else if(oldcurve_keys.size()) {
if(memcmp(&oldcurve_keys[0], &mesh->curve_keys[0], sizeof(float4)*oldcurve_keys.size()) != 0)
rebuild = true;
}
mesh->tag_update(scene, rebuild);
return mesh;
}