void icetStateSetDefaults(void)
{
GLint *int_array;
int i;
icetDiagnostics(ICET_DIAG_ALL_NODES | ICET_DIAG_WARNINGS);
icetStateSetInteger(ICET_RANK, ICET_COMM_RANK());
icetStateSetInteger(ICET_NUM_PROCESSES, ICET_COMM_SIZE());
icetStateSetInteger(ICET_ABSOLUTE_FAR_DEPTH, 1);
/*icetStateSetInteger(ICET_ABSOLUTE_FAR_DEPTH, 0xFFFFFFFF);*/
icetStateSetFloatv(ICET_BACKGROUND_COLOR, 4, black);
icetStateSetInteger(ICET_BACKGROUND_COLOR_WORD, 0);
icetResetTiles();
icetStateSetIntegerv(ICET_DISPLAY_NODES, 0, NULL);
icetStateSetDoublev(ICET_GEOMETRY_BOUNDS, 0, NULL);
icetStateSetInteger(ICET_NUM_BOUNDING_VERTS, 0);
icetStateSetPointer(ICET_STRATEGY_COMPOSE, NULL);
icetInputOutputBuffers(ICET_COLOR_BUFFER_BIT | ICET_DEPTH_BUFFER_BIT,
ICET_COLOR_BUFFER_BIT);
int_array = malloc(ICET_COMM_SIZE() * sizeof(GLint));
for (i = 0; i < ICET_COMM_SIZE(); i++) {
int_array[i] = i;
}
icetStateSetIntegerv(ICET_COMPOSITE_ORDER, ICET_COMM_SIZE(), int_array);
icetStateSetIntegerv(ICET_PROCESS_ORDERS, ICET_COMM_SIZE(), int_array);
free(int_array);
icetStateSetInteger(ICET_DATA_REPLICATION_GROUP, ICET_COMM_RANK());
icetStateSetInteger(ICET_DATA_REPLICATION_GROUP_SIZE, 1);
icetStateSetPointer(ICET_DRAW_FUNCTION, NULL);
icetStateSetInteger(ICET_READ_BUFFER, GL_BACK);
#ifdef _WIN32
icetStateSetInteger(ICET_COLOR_FORMAT, GL_BGRA_EXT);
#else
icetStateSetInteger(ICET_COLOR_FORMAT, GL_RGBA);
#endif
icetStateSetInteger(ICET_FRAME_COUNT, 0);
icetEnable(ICET_FLOATING_VIEWPORT);
icetDisable(ICET_ORDERED_COMPOSITE);
icetDisable(ICET_CORRECT_COLORED_BACKGROUND);
icetEnable(ICET_DISPLAY);
icetDisable(ICET_DISPLAY_COLORED_BACKGROUND);
icetDisable(ICET_DISPLAY_INFLATE);
icetEnable(ICET_DISPLAY_INFLATE_WITH_HARDWARE);
icetStateSetBoolean(ICET_IS_DRAWING_FRAME, 0);
icetStateSetPointer(ICET_COLOR_BUFFER, NULL);
icetStateSetPointer(ICET_DEPTH_BUFFER, NULL);
icetStateSetBoolean(ICET_COLOR_BUFFER_VALID, 0);
icetStateSetBoolean(ICET_DEPTH_BUFFER_VALID, 0);
icetStateResetTiming();
}
IceTImage icetDrawFrame(const IceTDouble *projection_matrix,
const IceTDouble *modelview_matrix,
const IceTFloat *background_color)
{
IceTInt frame_count;
IceTImage image;
IceTDouble render_time;
IceTDouble buf_read_time;
IceTDouble compose_time;
IceTDouble total_time;
icetRaiseDebug("In icetDrawFrame");
{
IceTBoolean isDrawing;
icetGetBooleanv(ICET_IS_DRAWING_FRAME, &isDrawing);
if (isDrawing) {
icetRaiseError("Recursive frame draw detected.",
ICET_INVALID_OPERATION);
return icetImageNull();
}
}
icetStateResetTiming();
icetTimingDrawFrameBegin();
icetStateSetDoublev(ICET_PROJECTION_MATRIX, 16, projection_matrix);
icetStateSetDoublev(ICET_MODELVIEW_MATRIX, 16, modelview_matrix);
drawUseBackgroundColor(background_color);
icetGetIntegerv(ICET_FRAME_COUNT, &frame_count);
frame_count++;
icetStateSetIntegerv(ICET_FRAME_COUNT, 1, &frame_count);
drawProjectBounds();
{
IceTEnum strategy;
icetGetEnumv(ICET_STRATEGY, &strategy);
/* drawCollectTileInformation does an allgather to get information
* about the tiles in other processes. These variables are
* ICET_ALL_CONTAINED_TILES_MASKS, ICET_TILE_CONTRIB_COUNTS, and
* ICET_TOTAL_IMAGE_COUNT. However, the sequential strategy ignores
* this information and just uses all processes for all tiles. When
* compositing a single tile, this is a fine strategy and we can save
* a significant proportion of frame time by skipping this step. */
if (strategy != ICET_STRATEGY_SEQUENTIAL) {
drawCollectTileInformation();
}
}
{
IceTInt tile_displayed;
icetGetIntegerv(ICET_TILE_DISPLAYED, &tile_displayed);
if (tile_displayed >= 0) {
const IceTInt *tile_viewports
= icetUnsafeStateGetInteger(ICET_TILE_VIEWPORTS);
IceTInt num_pixels = ( tile_viewports[4*tile_displayed+2]
* tile_viewports[4*tile_displayed+3] );
icetStateSetInteger(ICET_VALID_PIXELS_TILE, tile_displayed);
icetStateSetInteger(ICET_VALID_PIXELS_OFFSET, 0);
icetStateSetInteger(ICET_VALID_PIXELS_NUM, num_pixels);
} else {
icetStateSetInteger(ICET_VALID_PIXELS_TILE, -1);
icetStateSetInteger(ICET_VALID_PIXELS_OFFSET, 0);
icetStateSetInteger(ICET_VALID_PIXELS_NUM, 0);
}
}
image = drawInvokeStrategy();
/* Calculate times. */
icetGetDoublev(ICET_RENDER_TIME, &render_time);
icetGetDoublev(ICET_BUFFER_READ_TIME, &buf_read_time);
icetTimingDrawFrameEnd();
icetGetDoublev(ICET_TOTAL_DRAW_TIME, &total_time);
compose_time = total_time - render_time - buf_read_time;
icetStateSetDouble(ICET_COMPOSITE_TIME, compose_time);
icetStateSetDouble(ICET_BUFFER_WRITE_TIME, 0.0);
icetStateCheckMemory();
return image;
}
void icetStateSetDefaults(void)
{
IceTInt *int_array;
int i;
int comm_size, comm_rank;
icetDiagnostics(ICET_DIAG_ALL_NODES | ICET_DIAG_WARNINGS);
comm_size = icetCommSize();
comm_rank = icetCommRank();
icetStateSetInteger(ICET_RANK, comm_rank);
icetStateSetInteger(ICET_NUM_PROCESSES, comm_size);
/* icetStateSetInteger(ICET_ABSOLUTE_FAR_DEPTH, 1); */
/*icetStateSetInteger(ICET_ABSOLUTE_FAR_DEPTH, 0xFFFFFFFF);*/
icetStateSetFloatv(ICET_BACKGROUND_COLOR, 4, black);
icetStateSetInteger(ICET_BACKGROUND_COLOR_WORD, 0);
icetStateSetInteger(ICET_COLOR_FORMAT, ICET_IMAGE_COLOR_RGBA_UBYTE);
icetStateSetInteger(ICET_DEPTH_FORMAT, ICET_IMAGE_DEPTH_FLOAT);
icetResetTiles();
icetStateSetIntegerv(ICET_DISPLAY_NODES, 0, NULL);
icetStateSetDoublev(ICET_GEOMETRY_BOUNDS, 0, NULL);
icetStateSetInteger(ICET_NUM_BOUNDING_VERTS, 0);
icetStateSetInteger(ICET_STRATEGY, ICET_STRATEGY_UNDEFINED);
icetSingleImageStrategy(ICET_SINGLE_IMAGE_STRATEGY_AUTOMATIC);
icetCompositeMode(ICET_COMPOSITE_MODE_Z_BUFFER);
int_array = icetStateAllocateInteger(ICET_COMPOSITE_ORDER, comm_size);
for (i = 0; i < comm_size; i++) {
int_array[i] = i;
}
int_array = icetStateAllocateInteger(ICET_PROCESS_ORDERS, comm_size);
for (i = 0; i < comm_size; i++) {
int_array[i] = i;
}
icetStateSetInteger(ICET_DATA_REPLICATION_GROUP, comm_rank);
icetStateSetInteger(ICET_DATA_REPLICATION_GROUP_SIZE, 1);
icetStateSetInteger(ICET_FRAME_COUNT, 0);
if (getenv("ICET_MAGIC_K") != NULL) {
IceTInt magic_k = atoi(getenv("ICET_MAGIC_K"));
if (magic_k > 1) {
icetStateSetInteger(ICET_MAGIC_K, magic_k);
} else {
icetRaiseError("Environment varible ICET_MAGIC_K must be set"
" to an integer greater than 1.",
ICET_INVALID_VALUE);
icetStateSetInteger(ICET_MAGIC_K, ICET_MAGIC_K_DEFAULT);
}
} else {
icetStateSetInteger(ICET_MAGIC_K, ICET_MAGIC_K_DEFAULT);
}
if (getenv("ICET_MAX_IMAGE_SPLIT") != NULL) {
IceTInt max_image_split = atoi(getenv("ICET_MAX_IMAGE_SPLIT"));
if (max_image_split > 0) {
icetStateSetInteger(ICET_MAX_IMAGE_SPLIT, max_image_split);
} else {
icetRaiseError("Environment variable ICET_MAX_IMAGE_SPLIT must be"
" set to an integer greater than 0.",
ICET_INVALID_VALUE);
icetStateSetInteger(ICET_MAX_IMAGE_SPLIT,
ICET_MAX_IMAGE_SPLIT_DEFAULT);
}
} else {
icetStateSetInteger(ICET_MAX_IMAGE_SPLIT, ICET_MAX_IMAGE_SPLIT_DEFAULT);
}
icetStateSetPointer(ICET_DRAW_FUNCTION, NULL);
icetStateSetPointer(ICET_RENDER_LAYER_DESTRUCTOR, NULL);
icetEnable(ICET_FLOATING_VIEWPORT);
icetDisable(ICET_ORDERED_COMPOSITE);
icetDisable(ICET_CORRECT_COLORED_BACKGROUND);
icetEnable(ICET_COMPOSITE_ONE_BUFFER);
icetEnable(ICET_INTERLACE_IMAGES);
icetEnable(ICET_COLLECT_IMAGES);
icetDisable(ICET_RENDER_EMPTY_IMAGES);
icetStateSetBoolean(ICET_IS_DRAWING_FRAME, 0);
icetStateSetBoolean(ICET_RENDER_BUFFER_SIZE, 0);
icetStateSetInteger(ICET_VALID_PIXELS_TILE, -1);
icetStateSetInteger(ICET_VALID_PIXELS_OFFSET, 0);
icetStateSetInteger(ICET_VALID_PIXELS_NUM, 0);
icetStateResetTiming();
}
