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/* -*- c -*- *****************************************************************
** Copyright (C) 2003 Sandia Corporation
** Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
** the U.S. Government retains certain rights in this software.
**
** This source code is released under the New BSD License.
**
** This test has the display node not draw anything while everyone else
** does. This should test some boundry conditions where the display node
** will receive images even when it doesn't generate any and for other
** nodes to send images without receiving any.
**
** In addition, this test will also place a blank tile in one of the other
** processors. This should flag some problems with assumed far depths.
*****************************************************************************/
#include <IceTGL.h>
#include "test_codes.h"
#include "test_util.h"
#include <stdlib.h>
#include <stdio.h>
static int global_iteration;
static int global_rank;
static int global_num_proc;
static int global_result;
static void draw(void)
{
/* printrank("In draw\n"); */
if (global_rank == 0) {
printrank("ERROR: Draw called on rank 0!\n");
global_result = TEST_FAILED;
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (global_rank != global_iteration) {
glBegin(GL_QUADS);
glVertex3d(-1.0, -1.0, 0.0);
glVertex3d(1.0, -1.0, 0.0);
glVertex3d(1.0, 1.0, 0.0);
glVertex3d(-1.0, 1.0, 0.0);
glEnd();
}
/* printrank("Leaving draw\n"); */
}
static void DisplayNoDrawInit(void)
{
printstat("Setting tile.");
icetResetTiles();
icetAddTile(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, 0);
icetGLDrawCallback(draw);
icetSetColorFormat(ICET_IMAGE_COLOR_RGBA_UBYTE);
icetSetDepthFormat(ICET_IMAGE_DEPTH_FLOAT);
if (global_rank == 0) {
icetBoundingBoxd(100.0, 101.0, 100.0, 101.0, 100.0, 101.0);
} else {
icetBoundingBoxd(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
}
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glDisable(GL_LIGHTING);
glColor4d(1.0, 1.0, 1.0, 1.0);
}
static void DisplayNoDrawDoTest(void)
{
for (global_iteration = 0; global_iteration < global_num_proc;
global_iteration++) {
IceTImage image;
IceTUByte *color_buffer;
printstat("Blank image is rank %d\n", global_iteration);
image = icetGLDrawFrame();
swap_buffers();
if ( (global_rank == 0)
&& (global_num_proc > 1)
/* This last case covers when there is only 2 processes,
* the root, as always, is not drawing anything and the
* other process is drawing the clear screen. */
&& ((global_num_proc > 2) || (global_iteration != 1)) ) {
int p;
int bad_count = 0;
printstat("Checking pixels.\n");
color_buffer = icetImageGetColorub(image);
for (p = 0;
(p < SCREEN_WIDTH*SCREEN_HEIGHT*4) && (bad_count < 10); p++) {
if (color_buffer[p] != 255) {
printrank("BAD PIXEL %d.%d\n", p/4, p%4);
printrank(" Expected 255, got %d\n", color_buffer[p]);
bad_count++;
}
}
if (bad_count >= 10) {
char filename[256];
global_result = TEST_FAILED;
sprintf(filename, "DisplayNoDraw_%s_%s_%d.ppm",
icetGetStrategyName(), icetGetSingleImageStrategyName(),
global_iteration);
write_ppm(filename, color_buffer,
(int)SCREEN_WIDTH, (int)SCREEN_HEIGHT);
}
}
}
}
static int DisplayNoDrawRun(void)
{
int strategy_index;
icetGetIntegerv(ICET_RANK, &global_rank);
icetGetIntegerv(ICET_NUM_PROCESSES, &global_num_proc);
printstat("Starting DisplayNoDraw.\n");
global_result = TEST_PASSED;
DisplayNoDrawInit();
for (strategy_index = 0;
strategy_index < STRATEGY_LIST_SIZE; strategy_index++) {
IceTEnum strategy = strategy_list[strategy_index];
int single_image_strategy_index;
int num_single_image_strategy;
icetStrategy(strategy);
printstat("\n\nUsing %s strategy.\n", icetGetStrategyName());
if (strategy_uses_single_image_strategy(strategy)) {
num_single_image_strategy = SINGLE_IMAGE_STRATEGY_LIST_SIZE;
} else {
/* Set to one since single image strategy does not matter. */
num_single_image_strategy = 1;
}
for (single_image_strategy_index = 0;
single_image_strategy_index < num_single_image_strategy;
single_image_strategy_index++) {
IceTEnum single_image_strategy
= single_image_strategy_list[single_image_strategy_index];
icetSingleImageStrategy(single_image_strategy);
printstat("Using %s single image sub-strategy.\n",
icetGetSingleImageStrategyName());
DisplayNoDrawDoTest();
}
}
return global_result;
}
int DisplayNoDraw(int argc, char *argv[])
{
/* To remove warning */
(void)argc;
(void)argv;
return run_test(DisplayNoDrawRun);
}
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