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-rw-r--r--libdimension/Doxyfile.in2
-rw-r--r--libdimension/Makefile.am12
-rw-r--r--libdimension/bench/Makefile.am41
-rw-r--r--libdimension/bench/array.c118
-rw-r--r--libdimension/bench/geometry.c171
-rw-r--r--libdimension/bench/polynomial.c72
-rw-r--r--libdimension/bench/prtree.c119
-rw-r--r--libdimension/tests/Makefile.am81
-rw-r--r--libdimension/tests/cxx.cpp36
-rw-r--r--libdimension/tests/display-stubs.c38
-rw-r--r--libdimension/tests/display.c151
-rw-r--r--libdimension/tests/error.c30
-rw-r--r--libdimension/tests/gl.c87
-rw-r--r--libdimension/tests/png.c106
-rw-r--r--libdimension/tests/polynomial.c62
-rw-r--r--libdimension/tests/prtree.c98
-rw-r--r--libdimension/tests/render.c309
-rw-r--r--libdimension/tests/tests.h46
-rw-r--r--libdimension/tests/warning-as-error.c31
-rw-r--r--libdimension/tests/warning.c30
20 files changed, 1637 insertions, 3 deletions
diff --git a/libdimension/Doxyfile.in b/libdimension/Doxyfile.in
index 23d7bfb..145bd15 100644
--- a/libdimension/Doxyfile.in
+++ b/libdimension/Doxyfile.in
@@ -1,7 +1,7 @@
DOXYFILE_ENCODING = UTF-8
PROJECT_NAME = libdimension
PROJECT_NUMBER = @VERSION@
-OUTPUT_DIRECTORY = @top_builddir@/doc/libdimension
+OUTPUT_DIRECTORY = @top_builddir@/libdimension/doc
OUTPUT_LANGUAGE = English
FULL_PATH_NAMES = YES
OPTIMIZE_OUTPUT_FOR_C = YES
diff --git a/libdimension/Makefile.am b/libdimension/Makefile.am
index 4d4f58e..0a134b1 100644
--- a/libdimension/Makefile.am
+++ b/libdimension/Makefile.am
@@ -17,6 +17,9 @@
## along with this program. If not, see <http://www.gnu.org/licenses/>. ##
###########################################################################
+SUBDIRS = bench \
+ tests
+
# Make dmnsn_error() backtraces useful
AM_LDFLAGS = -rdynamic
@@ -130,6 +133,12 @@ if PROFILE
libdimension_la_SOURCES += profile.c
endif
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libdimension.pc
+
+bench: all-recursive
+ cd bench && $(MAKE) $(AM_MAKEFLAGS) bench
+
clean-local: clean-docs
doc:
@@ -137,5 +146,4 @@ doc:
clean-docs:
rm -rf $(top_builddir)/doc/libdimension
-pkgconfigdir = $(libdir)/pkgconfig
-pkgconfig_DATA = libdimension.pc
+.PHONY: bench doc
diff --git a/libdimension/bench/Makefile.am b/libdimension/bench/Makefile.am
new file mode 100644
index 0000000..353acb3
--- /dev/null
+++ b/libdimension/bench/Makefile.am
@@ -0,0 +1,41 @@
+###########################################################################
+## Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> ##
+## ##
+## This file is part of The Dimension Build Suite. ##
+## ##
+## The Dimension Build Suite is free software; you can redistribute it ##
+## and/or modify it under the terms of the GNU General Public License as ##
+## published by the Free Software Foundation; either version 3 of the ##
+## License, or (at your option) any later version. ##
+## ##
+## The Dimension Build Suite is distributed in the hope that it will be ##
+## useful, but WITHOUT ANY WARRANTY; without even the implied warranty ##
+## of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ##
+## General Public License for more details. ##
+## ##
+## You should have received a copy of the GNU General Public License ##
+## along with this program. If not, see <http://www.gnu.org/licenses/>. ##
+###########################################################################
+
+INCLUDES = -I$(top_srcdir)/libdimension
+
+EXTRA_PROGRAMS = bench-array \
+ bench-geometry \
+ bench-polynomial \
+ bench-prtree
+
+AM_CFLAGS = $(libsandglass_CFLAGS) -fno-inline
+AM_LDFLAGS = $(libsandglass_LIBS) $(top_builddir)/libdimension/libdimension.la
+
+bench_array_SOURCES = array.c
+bench_geometry_SOURCES = geometry.c
+bench_polynomial_SOURCES = polynomial.c
+bench_prtree_SOURCES = prtree.c
+
+bench: $(EXTRA_PROGRAMS)
+ ./bench-array
+ ./bench-geometry
+ ./bench-polynomial
+ ./bench-prtree
+
+.PHONY: bench
diff --git a/libdimension/bench/array.c b/libdimension/bench/array.c
new file mode 100644
index 0000000..3fe0c83
--- /dev/null
+++ b/libdimension/bench/array.c
@@ -0,0 +1,118 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Benchmark Suite. *
+ * *
+ * The Dimension Benchmark Suite is free software; you can redistribute *
+ * it and/or modify it under the terms of the GNU General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Benchmark Suite is distributed in the hope that it will *
+ * be useful, but WITHOUT ANY WARRANTY; without even the implied *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See *
+ * the GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "dimension.h"
+#include <sandglass.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+int
+main(void)
+{
+ const unsigned int count = 32;
+ uint32_t object = 1;
+
+ sandglass_t sandglass;
+ if (sandglass_init_monotonic(&sandglass, SANDGLASS_CPUTIME) != 0) {
+ perror("sandglass_create()");
+ return EXIT_FAILURE;
+ }
+
+ /* Benchmark allocation and deallocation */
+ dmnsn_array *array;
+ sandglass_bench_fine(&sandglass, {
+ array = dmnsn_new_array(sizeof(object));
+ dmnsn_delete_array(array);
+ });
+ printf("dmnsn_new_array() + dmnsn_delete_array(): %ld\n", sandglass.grains);
+
+ /* Create our test array */
+ array = dmnsn_new_array(sizeof(object));
+
+ /* dmnsn_array_push() */
+
+ printf("dmnsn_array_push():");
+
+ for (unsigned int i = 0; i < count; ++i) {
+ sandglass_bench_noprecache(&sandglass, dmnsn_array_push(array, &object));
+ printf(" %ld", sandglass.grains);
+ }
+ printf("\n");
+
+ /* dmnsn_array_get() */
+ sandglass_bench_fine(&sandglass, dmnsn_array_get(array, count/2, &object));
+ printf("dmnsn_array_get(): %ld\n", sandglass.grains);
+
+ /* dmnsn_array_set() */
+ sandglass_bench_fine(&sandglass, dmnsn_array_set(array, count/2, &object));
+ printf("dmnsn_array_set(): %ld\n", sandglass.grains);
+
+ /* dmnsn_array_at() */
+ void *ptr;
+ sandglass_bench_fine(&sandglass, ptr = dmnsn_array_at(array, count/2));
+ printf("dmnsn_array_at() = %p: %ld\n", ptr, sandglass.grains);
+
+ /* dmnsn_array_size() */
+ size_t size;
+ sandglass_bench_fine(&sandglass, size = dmnsn_array_size(array));
+ printf("dmnsn_array_size() = %zu: %ld\n", size, sandglass.grains);
+
+ /* dmnsn_array_resize() */
+ dmnsn_array_resize(array, count);
+ sandglass_bench_noprecache(&sandglass, dmnsn_array_resize(array, count * 2));
+ printf("dmnsn_array_resize(): %ld", sandglass.grains);
+
+ sandglass_bench_noprecache(&sandglass, dmnsn_array_resize(array, count));
+ printf(" %ld\n", sandglass.grains);
+
+ /* dmnsn_array_insert() */
+
+ printf("dmnsn_array_insert():");
+
+ for (size_t i = 0; i < count; ++i) {
+ sandglass_bench_noprecache(&sandglass,
+ dmnsn_array_insert(array, count/2, &object));
+ printf(" %ld", sandglass.grains);
+ }
+ printf("\n");
+
+ /* dmnsn_array_remove() */
+
+ printf("dmnsn_array_remove():");
+
+ for (size_t i = 0; i < count; ++i) {
+ sandglass_bench_noprecache(&sandglass,
+ dmnsn_array_remove(array, count/2));
+ printf(" %ld", sandglass.grains);
+ }
+ printf("\n");
+
+ /* dmnsn_array_pop() */
+
+ printf("dmnsn_array_pop():");
+
+ for (size_t i = 0; i < count; ++i) {
+ sandglass_bench_noprecache(&sandglass, dmnsn_array_pop(array, &object));
+ printf(" %ld", sandglass.grains);
+ }
+ printf("\n");
+
+ dmnsn_delete_array(array);
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/bench/geometry.c b/libdimension/bench/geometry.c
new file mode 100644
index 0000000..4b77c9b
--- /dev/null
+++ b/libdimension/bench/geometry.c
@@ -0,0 +1,171 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Benchmark Suite. *
+ * *
+ * The Dimension Benchmark Suite is free software; you can redistribute *
+ * it and/or modify it under the terms of the GNU General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Benchmark Suite is distributed in the hope that it will *
+ * be useful, but WITHOUT ANY WARRANTY; without even the implied *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See *
+ * the GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "dimension.h"
+#include <sandglass.h>
+#include <stdlib.h>
+
+int
+main(void)
+{
+ dmnsn_vector vector, vector2;
+ dmnsn_matrix matrix, matrix2;
+ dmnsn_line line;
+ double result;
+
+ sandglass_t sandglass;
+ if (sandglass_init_monotonic(&sandglass, SANDGLASS_CPUTIME) != 0) {
+ perror("sandglass_create()");
+ return EXIT_FAILURE;
+ }
+
+ /* dmnsn_new_vector() */
+ sandglass_bench_fine(&sandglass, {
+ vector = dmnsn_new_vector(1.0, 2.0, 3.0);
+ });
+ printf("dmnsn_new_vector(): %ld\n", sandglass.grains);
+
+ /* dmnsn_matrix_construct() */
+ sandglass_bench_fine(&sandglass, {
+ matrix = dmnsn_new_matrix(1.0, 1.0, 0.0, 0.0,
+ 1.0, 1.0, 1.0, 0.0,
+ 0.0, 1.0, 1.0, 0.0);
+ });
+ printf("dmnsn_new_matrix(): %ld\n", sandglass.grains);
+
+ /* dmnsn_identity_matrix() */
+ sandglass_bench_fine(&sandglass, {
+ matrix = dmnsn_identity_matrix();
+ });
+ printf("dmnsn_identity_matrix(): %ld\n", sandglass.grains);
+
+ /* dmnsn_scale_matrix() */
+ sandglass_bench_fine(&sandglass, {
+ matrix = dmnsn_scale_matrix(vector);
+ });
+ printf("dmnsn_scale_matrix(): %ld\n", sandglass.grains);
+
+ /* dmnsn_identity_matrix() */
+ sandglass_bench_fine(&sandglass, {
+ matrix = dmnsn_translation_matrix(vector);
+ });
+ printf("dmnsn_translation_matrix(): %ld\n", sandglass.grains);
+
+ /* dmnsn_rotation_matrix() */
+ sandglass_bench_fine(&sandglass, {
+ matrix = dmnsn_rotation_matrix(vector);
+ });
+ printf("dmnsn_rotation_matrix(): %ld\n", sandglass.grains);
+
+ /* dmnsn_new_line() */
+ vector2 = dmnsn_new_vector(3.0, 2.0, 1.0);
+ sandglass_bench_fine(&sandglass, {
+ line = dmnsn_new_line(vector, vector2);
+ });
+ printf("dmnsn_new_line(): %ld\n", sandglass.grains);
+
+ /* dmnsn_vector_add() */
+ sandglass_bench_fine(&sandglass, {
+ vector = dmnsn_vector_add(vector, vector2);
+ });
+ printf("dmnsn_vector_add(): %ld\n", sandglass.grains);
+
+ /* dmnsn_vector_sub() */
+ sandglass_bench_fine(&sandglass, {
+ vector = dmnsn_vector_sub(vector, vector2);
+ });
+ printf("dmnsn_vector_sub(): %ld\n", sandglass.grains);
+
+ /* dmnsn_vector_mul() */
+ sandglass_bench_fine(&sandglass, {
+ vector = dmnsn_vector_mul(2.0, vector);
+ });
+ printf("dmnsn_vector_mul(): %ld\n", sandglass.grains);
+
+ /* dmnsn_vector_div() */
+ sandglass_bench_fine(&sandglass, {
+ vector = dmnsn_vector_div(vector, 2.0);
+ });
+ printf("dmnsn_vector_div(): %ld\n", sandglass.grains);
+
+ /* dmnsn_vector_cross() */
+ sandglass_bench_fine(&sandglass, {
+ vector = dmnsn_vector_cross(vector, vector2);
+ });
+ printf("dmnsn_vector_cross(): %ld\n", sandglass.grains);
+
+ /* dmnsn_vector_dot() */
+ sandglass_bench_fine(&sandglass, {
+ result = dmnsn_vector_dot(vector, vector2);
+ });
+ printf("dmnsn_vector_dot(): %ld\n", sandglass.grains);
+
+ /* dmnsn_vector_norm() */
+ sandglass_bench_fine(&sandglass, {
+ result = dmnsn_vector_norm(vector);
+ });
+ printf("dmnsn_vector_norm(): %ld\n", sandglass.grains);
+
+ /* dmnsn_vector_normalize() */
+ sandglass_bench_fine(&sandglass, {
+ vector = dmnsn_vector_normalize(vector);
+ });
+ printf("dmnsn_vector_normalize(): %ld\n", sandglass.grains);
+
+ /* dmnsn_matrix_inverse() */
+ sandglass_bench_fine(&sandglass, {
+ matrix = dmnsn_matrix_inverse(matrix);
+ });
+ printf("dmnsn_matrix_inverse(): %ld\n", sandglass.grains);
+
+ /* dmnsn_matrix_inverse(HARD) */
+ matrix2 = dmnsn_new_matrix(1.0, 1.0, 0.0, 0.0,
+ 1.0, 1.0, 1.0, 0.0,
+ 0.0, 1.0, 1.0, 0.0);
+ sandglass_bench_fine(&sandglass, {
+ matrix = dmnsn_matrix_inverse(matrix2);
+ });
+ printf("dmnsn_matrix_inverse(HARD): %ld\n", sandglass.grains);
+
+ /* dmnsn_matrix_mul() */
+ sandglass_bench_fine(&sandglass, {
+ matrix = dmnsn_matrix_mul(matrix, matrix2);
+ });
+ printf("dmnsn_matrix_mul(): %ld\n", sandglass.grains);
+
+ /* dmnsn_transform_vector() */
+ sandglass_bench_fine(&sandglass, {
+ vector = dmnsn_transform_vector(matrix, vector);
+ });
+ printf("dmnsn_transform_vector(): %ld\n", sandglass.grains);
+
+ /* dmnsn_transform_line() */
+ sandglass_bench_fine(&sandglass, {
+ line = dmnsn_transform_line(matrix, line);
+ });
+ printf("dmnsn_transform_line(): %ld\n", sandglass.grains);
+
+ /* dmnsn_line_point() */
+ sandglass_bench_fine(&sandglass, {
+ vector = dmnsn_line_point(line, result);
+ });
+ printf("dmnsn_line_point(): %ld\n", sandglass.grains);
+
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/bench/polynomial.c b/libdimension/bench/polynomial.c
new file mode 100644
index 0000000..0313060
--- /dev/null
+++ b/libdimension/bench/polynomial.c
@@ -0,0 +1,72 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Benchmark Suite. *
+ * *
+ * The Dimension Benchmark Suite is free software; you can redistribute *
+ * it and/or modify it under the terms of the GNU General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Benchmark Suite is distributed in the hope that it will *
+ * be useful, but WITHOUT ANY WARRANTY; without even the implied *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See *
+ * the GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "dimension.h"
+#include <sandglass.h>
+#include <stdlib.h>
+
+int
+main(void)
+{
+#define NPOLY 5
+ double p[NPOLY][NPOLY + 1], x[NPOLY];
+
+ /* p[0][] = x - 0.5; */
+ p[0][1] = 1.0;
+ p[0][0] = -0.5;
+
+ /* p[1][] = (x + 0.5)*(x - 0.5) */
+ p[1][2] = 1.0;
+ p[1][1] = 0.0;
+ p[1][0] = -0.25;
+
+ /* p[2][] = (x + 1)*(x - 1.2345)*(x - 100) */
+ p[2][3] = 1.0;
+ p[2][2] = -100.2345;
+ p[2][1] = 22.2155;
+ p[2][0] = 123.45;
+
+ /* p[3][] = (x + 1)*(x - 1.2345)*(x - 5)*(x - 100) */
+ p[3][4] = 1.0;
+ p[3][3] = -105.2345;
+ p[3][2] = 523.388;
+ p[3][1] = 12.3725;
+ p[3][0] = -617.25;
+
+ /* p[4][] = (x + 1)*(x - 1.2345)*(x - 2.3456)*(x - 5)*(x - 100) */
+ p[4][5] = 1.0;
+ p[4][4] = -107.5801;
+ p[4][3] = 770.2260432;
+ p[4][2] = -1215.2863928;
+ p[4][1] = -646.270936;
+ p[4][0] = 1447.8216;
+
+ sandglass_t sandglass;
+ if (sandglass_init_monotonic(&sandglass, SANDGLASS_CPUTIME) != 0) {
+ perror("sandglass_create()");
+ return EXIT_FAILURE;
+ }
+
+ for (size_t i = 0; i < NPOLY; ++i) {
+ sandglass_bench_fine(&sandglass, dmnsn_solve_polynomial(p[i], i + 1, x));
+ printf("dmnsn_solve_polynomial(x^%zu): %ld\n", i + 1, sandglass.grains);
+ }
+
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/bench/prtree.c b/libdimension/bench/prtree.c
new file mode 100644
index 0000000..b6f778a
--- /dev/null
+++ b/libdimension/bench/prtree.c
@@ -0,0 +1,119 @@
+/*************************************************************************
+ * Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Benchmark Suite. *
+ * *
+ * The Dimension Benchmark Suite is free software; you can redistribute *
+ * it and/or modify it under the terms of the GNU General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Benchmark Suite is distributed in the hope that it will *
+ * be useful, but WITHOUT ANY WARRANTY; without even the implied *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See *
+ * the GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "dimension-impl.h"
+#include <sandglass.h>
+#include <stdlib.h>
+
+static bool
+dmnsn_fake_intersection_fn(const dmnsn_object *object, dmnsn_line line,
+ dmnsn_intersection *intersection)
+{
+ intersection->t = (object->bounding_box.min.z - line.x0.z)/line.n.z;
+ intersection->normal = dmnsn_x;
+ return true;
+}
+
+static bool
+dmnsn_fake_inside_fn(const dmnsn_object *object, dmnsn_vector point)
+{
+ return true;
+}
+
+static void
+dmnsn_randomize_bounding_box(dmnsn_object *object)
+{
+ dmnsn_vector a, b;
+
+ a.x = 2.0*((double)rand())/RAND_MAX - 1.0;
+ a.y = 2.0*((double)rand())/RAND_MAX - 1.0;
+ a.z = 2.0*((double)rand())/RAND_MAX - 1.0;
+
+ b.x = 2.0*((double)rand())/RAND_MAX - 1.0;
+ b.y = 2.0*((double)rand())/RAND_MAX - 1.0;
+ b.z = 2.0*((double)rand())/RAND_MAX - 1.0;
+
+ object->bounding_box.min = dmnsn_vector_min(a, b);
+ object->bounding_box.max = dmnsn_vector_max(a, b);
+}
+
+static dmnsn_object *
+dmnsn_new_fake_object(void)
+{
+ dmnsn_object *object = dmnsn_new_object();
+ /* Generate a bounding box in (-1, -1, -1), (1, 1, 1) */
+ dmnsn_randomize_bounding_box(object);
+ object->intersection_fn = dmnsn_fake_intersection_fn;
+ object->inside_fn = dmnsn_fake_inside_fn;
+ return object;
+}
+
+int
+main(void)
+{
+ const size_t nobjects = 10000;
+
+ sandglass_t sandglass;
+ if (sandglass_init_monotonic(&sandglass, SANDGLASS_CPUTIME) != 0) {
+ perror("sandglass_create()");
+ return EXIT_FAILURE;
+ }
+
+ dmnsn_array *objects = dmnsn_new_array(sizeof(dmnsn_object *));
+ for (size_t i = 0; i < nobjects; ++i) {
+ dmnsn_object *object = dmnsn_new_fake_object();
+ dmnsn_initialize_object(object);
+ dmnsn_array_push(objects, &object);
+ }
+
+ dmnsn_prtree *tree;
+ sandglass_bench_noprecache(&sandglass, {
+ tree = dmnsn_new_prtree(objects);
+ });
+ printf("dmnsn_new_prtree(): %ld\n", sandglass.grains);
+
+ /* dmnsn_prtree_intersection() */
+ dmnsn_line ray = dmnsn_new_line(
+ dmnsn_new_vector( 1.0, 1.0, -2.0),
+ dmnsn_new_vector(-0.5, -0.5, 1.0)
+ );
+ dmnsn_intersection intersection;
+
+ sandglass_bench_fine(&sandglass, {
+ dmnsn_prtree_intersection(tree, ray, &intersection, true);
+ });
+ printf("dmnsn_prtree_intersection(): %ld\n", sandglass.grains);
+
+ /* dmnsn_prtree_inside() */
+ sandglass_bench_fine(&sandglass, {
+ dmnsn_prtree_inside(tree, dmnsn_zero);
+ });
+ printf("dmnsn_prtree_inside(): %ld\n", sandglass.grains);
+
+ /* Cleanup */
+ dmnsn_delete_prtree(tree);
+ for (size_t i = 0; i < nobjects; ++i) {
+ dmnsn_object *object;
+ dmnsn_array_get(objects, i, &object);
+ dmnsn_delete_object(object);
+ }
+
+ dmnsn_delete_array(objects);
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/tests/Makefile.am b/libdimension/tests/Makefile.am
new file mode 100644
index 0000000..6b5f8ca
--- /dev/null
+++ b/libdimension/tests/Makefile.am
@@ -0,0 +1,81 @@
+###########################################################################
+## Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com> ##
+## ##
+## This file is part of The Dimension Build Suite. ##
+## ##
+## The Dimension Build Suite is free software; you can redistribute it ##
+## and/or modify it under the terms of the GNU General Public License as ##
+## published by the Free Software Foundation; either version 3 of the ##
+## License, or (at your option) any later version. ##
+## ##
+## The Dimension Build Suite is distributed in the hope that it will be ##
+## useful, but WITHOUT ANY WARRANTY; without even the implied warranty ##
+## of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ##
+## General Public License for more details. ##
+## ##
+## You should have received a copy of the GNU General Public License ##
+## along with this program. If not, see <http://www.gnu.org/licenses/>. ##
+###########################################################################
+
+INCLUDES = -I$(top_srcdir)/libdimension
+
+check_LTLIBRARIES = libdimension-tests.la
+check_PROGRAMS = warning-test \
+ warning-as-error-test \
+ error-test \
+ polynomial-test \
+ prtree-test \
+ png-test \
+ gl-test \
+ render-test \
+ cxx-test
+TESTS = $(check_PROGRAMS)
+XFAIL_TESTS = warning-as-error-test error-test
+
+if !PNG
+XFAIL_TESTS += png-test
+endif
+
+if !GL
+XFAIL_TESTS += gl-test
+endif
+
+libdimension_tests_la_SOURCES = tests.h
+libdimension_tests_la_LIBADD = $(top_builddir)/libdimension/libdimension.la
+
+if GLX
+libdimension_tests_la_SOURCES += display.c
+libdimension_tests_la_LIBADD += -lX11 -lGL
+else
+libdimension_tests_la_SOURCES += display-stubs.c
+endif
+
+warning_test_SOURCES = warning.c
+warning_test_LDADD = libdimension-tests.la
+
+warning_as_error_test_SOURCES = warning-as-error.c
+warning_as_error_test_LDADD = libdimension-tests.la
+
+error_test_SOURCES = error.c
+error_test_LDADD = libdimension-tests.la
+
+polynomial_test_SOURCES = polynomial.c
+polynomial_test_LDADD = libdimension-tests.la
+
+prtree_test_SOURCES = prtree.c
+prtree_test_LDADD = libdimension-tests.la
+
+png_test_SOURCES = png.c
+png_test_LDADD = libdimension-tests.la
+
+gl_test_SOURCES = gl.c
+gl_test_LDADD = libdimension-tests.la
+
+render_test_SOURCES = render.c
+render_test_LDADD = libdimension-tests.la
+
+cxx_test_SOURCES = cxx.cpp
+cxx_test_LDADD = libdimension-tests.la
+
+clean-local:
+ rm -f *.png
diff --git a/libdimension/tests/cxx.cpp b/libdimension/tests/cxx.cpp
new file mode 100644
index 0000000..7405502
--- /dev/null
+++ b/libdimension/tests/cxx.cpp
@@ -0,0 +1,36 @@
+/*************************************************************************
+ * Copyright (C) 2010-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "tests.h"
+#include <cstdlib>
+
+/*
+ * Ensure that dimension.h can be included in a C++ program and behave properly.
+ */
+int
+main(void)
+{
+ /* Treat warnings as errors for tests */
+ dmnsn_die_on_warnings(true);
+
+ /* Make sure we can to bit-ops on this enum type */
+ dmnsn_quality quality = DMNSN_RENDER_PIGMENT | DMNSN_RENDER_LIGHTS;
+
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/tests/display-stubs.c b/libdimension/tests/display-stubs.c
new file mode 100644
index 0000000..e3fb99e
--- /dev/null
+++ b/libdimension/tests/display-stubs.c
@@ -0,0 +1,38 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "tests.h"
+#include <errno.h>
+
+dmnsn_display *
+dmnsn_new_display(const dmnsn_canvas *canvas)
+{
+ errno = ENOSYS;
+ return NULL;
+}
+
+void
+dmnsn_delete_display(dmnsn_display *display)
+{
+}
+
+void
+dmnsn_display_flush(dmnsn_display *display)
+{
+}
diff --git a/libdimension/tests/display.c b/libdimension/tests/display.c
new file mode 100644
index 0000000..d4e2a1c
--- /dev/null
+++ b/libdimension/tests/display.c
@@ -0,0 +1,151 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "tests.h"
+#include <GL/glx.h>
+#include <GL/gl.h>
+#include <stdlib.h>
+
+struct dmnsn_display {
+ Display *dpy;
+ Window win;
+ Colormap cmap;
+ GLXContext cx;
+ XEvent event;
+ XVisualInfo *vi;
+};
+
+/* XIfEvent callback */
+static Bool
+WaitForNotify(Display *d, XEvent *e, char *arg)
+{
+ return (e->type == MapNotify) && (e->xmap.window == (Window)arg);
+}
+
+dmnsn_display *
+dmnsn_new_display(const dmnsn_canvas *canvas)
+{
+ int attributeList[] = {
+ GLX_RGBA,
+ GLX_DOUBLEBUFFER,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ None
+ };
+ XSetWindowAttributes swa;
+ dmnsn_display *display;
+
+ display = dmnsn_malloc(sizeof(dmnsn_display));
+
+ display->dpy = NULL;
+ display->win = 0;
+ display->cmap = 0;
+ display->cx = NULL;
+ display->vi = NULL;
+
+ /* Get an X connection */
+ display->dpy = XOpenDisplay(0);
+ if (!display->dpy) {
+ dmnsn_delete_display(display);
+ return NULL;
+ }
+
+ /* Get an appropriate visual */
+ display->vi = glXChooseVisual(display->dpy, DefaultScreen(display->dpy),
+ attributeList);
+ if (!display->vi) {
+ dmnsn_delete_display(display);
+ return NULL;
+ }
+
+ /* Create a GLX context */
+ display->cx = glXCreateContext(display->dpy, display->vi, 0, GL_TRUE);
+ if (!display->cx) {
+ dmnsn_delete_display(display);
+ return NULL;
+ }
+
+ /* Create a color map */
+ display->cmap = XCreateColormap(display->dpy,
+ RootWindow(display->dpy, display->vi->screen),
+ display->vi->visual, AllocNone);
+ if (!display->cmap) {
+ dmnsn_delete_display(display);
+ return NULL;
+ }
+
+ /* Create a window */
+ swa.colormap = display->cmap;
+ swa.border_pixel = 0;
+ swa.event_mask = StructureNotifyMask;
+ display->win = XCreateWindow(display->dpy,
+ RootWindow(display->dpy, display->vi->screen),
+ 0, 0, canvas->width, canvas->height,
+ 0, display->vi->depth, InputOutput,
+ display->vi->visual,
+ CWBorderPixel|CWColormap|CWEventMask, &swa);
+ if (!display->win) {
+ dmnsn_delete_display(display);
+ return NULL;
+ }
+
+ XStoreName(display->dpy, display->win, "glX");
+
+ XMapWindow(display->dpy, display->win);
+ XIfEvent(display->dpy, &display->event, WaitForNotify, (char*)display->win);
+
+ /* Connect the context to the window */
+ glXMakeCurrent(display->dpy, display->win, display->cx);
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ dmnsn_display_flush(display);
+
+ return display;
+}
+
+void
+dmnsn_delete_display(dmnsn_display *display)
+{
+ if (display) {
+ if (display->win)
+ XDestroyWindow(display->dpy, display->win);
+
+ if (display->cmap)
+ XFreeColormap(display->dpy, display->cmap);
+
+ if (display->cx)
+ glXDestroyContext(display->dpy, display->cx);
+
+ if (display->vi)
+ XFree(display->vi);
+
+ if (display->dpy)
+ XCloseDisplay(display->dpy);
+
+ dmnsn_free(display);
+ }
+}
+
+void
+dmnsn_display_flush(dmnsn_display *display)
+{
+ glXWaitX();
+ glXSwapBuffers(display->dpy, display->win);
+}
diff --git a/libdimension/tests/error.c b/libdimension/tests/error.c
new file mode 100644
index 0000000..5a4d7fd
--- /dev/null
+++ b/libdimension/tests/error.c
@@ -0,0 +1,30 @@
+/*************************************************************************
+ * Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/* Make sure that errors terminate us - this test should fail */
+
+#include "dimension.h"
+#include <stdlib.h>
+
+int
+main(void)
+{
+ dmnsn_error("This error is expected.");
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/tests/gl.c b/libdimension/tests/gl.c
new file mode 100644
index 0000000..8d93cf5
--- /dev/null
+++ b/libdimension/tests/gl.c
@@ -0,0 +1,87 @@
+/*************************************************************************
+ * Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "tests.h"
+#include <stdlib.h>
+
+int
+main(void)
+{
+ /* Treat warnings as errors for tests */
+ dmnsn_die_on_warnings(true);
+
+ /* Allocate our canvas */
+ dmnsn_canvas *canvas = dmnsn_new_canvas(768, 480);
+
+ /* Optimize the canvas for GL drawing */
+ if (dmnsn_gl_optimize_canvas(canvas) != 0) {
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Couldn't optimize canvas for GL! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* Paint the canvas blue */
+ dmnsn_clear_canvas(canvas, dmnsn_blue);
+
+ /* Create a new glX display */
+ dmnsn_display *display = dmnsn_new_display(canvas);
+ if (!display) {
+ fprintf(stderr, "--- WARNING: Couldn't initialize X or glX! ---\n");
+ return EXIT_SUCCESS;
+ }
+
+ /* Draw to OpenGL */
+ printf("Drawing to OpenGL\n");
+ if (dmnsn_gl_write_canvas(canvas) != 0) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Drawing to OpenGL failed! ---\n");
+ return EXIT_FAILURE;
+ }
+ dmnsn_display_flush(display);
+ dmnsn_delete_canvas(canvas);
+
+ /*
+ * Now test GL import/export
+ */
+
+ /* Read the image back from OpenGL */
+ printf("Reading from OpenGL\n");
+ canvas = dmnsn_gl_read_canvas(0, 0, 768, 480);
+ if (!canvas) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Reading from OpenGL failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* And draw it back */
+ printf("Drawing to OpenGL\n");
+ if (dmnsn_gl_write_canvas(canvas) != 0) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Drawing to OpenGL failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ dmnsn_display_flush(display);
+ dmnsn_delete_display(display);
+ dmnsn_delete_canvas(canvas);
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/tests/png.c b/libdimension/tests/png.c
new file mode 100644
index 0000000..328ee36
--- /dev/null
+++ b/libdimension/tests/png.c
@@ -0,0 +1,106 @@
+/*************************************************************************
+ * Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "tests.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+ /* Treat warnings as errors for tests */
+ dmnsn_die_on_warnings(true);
+
+ /* Allocate our canvas */
+ dmnsn_canvas *canvas = dmnsn_new_canvas(768, 480);
+
+ /* Optimize the canvas for PNG export */
+ if (dmnsn_png_optimize_canvas(canvas) != 0) {
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Couldn't optimize canvas for PNG! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* Paint the canvas blue */
+ dmnsn_clear_canvas(canvas, dmnsn_blue);
+
+ /* Write the image to PNG */
+
+ printf("Writing scene to PNG\n");
+ FILE *ofile = fopen("png1.png", "wb");
+ if (!ofile) {
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Couldn't open 'png1.png' for writing! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ if (dmnsn_png_write_canvas(canvas, ofile) != 0) {
+ fclose(ofile);
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Writing canvas to PNG failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ fclose(ofile);
+ dmnsn_delete_canvas(canvas);
+
+ /*
+ * Now test PNG import/export
+ */
+
+ /* Read the image back from PNG */
+
+ printf("Reading scene from PNG\n");
+ FILE *ifile = fopen("png1.png", "rb");
+ if (!ifile) {
+ fprintf(stderr, "--- Couldn't open 'png1.png' for reading! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ canvas = dmnsn_png_read_canvas(ifile);
+ if (!canvas) {
+ fclose(ifile);
+ fprintf(stderr, "--- Reading canvas from PNG failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ fclose(ifile);
+
+ /* And write it back */
+
+ printf("Writing scene to PNG\n");
+ ofile = fopen("png2.png", "wb");
+ if (!ofile) {
+ fprintf(stderr, "--- Couldn't open 'png2.png' for writing! ---\n");
+ dmnsn_delete_canvas(canvas);
+ return EXIT_FAILURE;
+ }
+
+ if (dmnsn_png_write_canvas(canvas, ofile) != 0) {
+ fclose(ofile);
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Writing canvas to PNG failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ fclose(ofile);
+ dmnsn_delete_canvas(canvas);
+
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/tests/polynomial.c b/libdimension/tests/polynomial.c
new file mode 100644
index 0000000..5632b49
--- /dev/null
+++ b/libdimension/tests/polynomial.c
@@ -0,0 +1,62 @@
+/*************************************************************************
+ * Copyright (C) 2010-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/*
+ * Basic test of numerical polynomial root-finder
+ */
+
+#include "dimension.h"
+#include <stddef.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+ /* Treat warnings as errors for tests */
+ dmnsn_die_on_warnings(true);
+
+ double poly[6], x[5];
+ /* poly[] = (x + 1)*(x - 1.2345)*(x - 2.3456)*(x - 5)*(x - 100) */
+ poly[5] = 1.0;
+ poly[4] = -107.5801;
+ poly[3] = 770.2260432;
+ poly[2] = -1215.2863928;
+ poly[1] = -646.270936;
+ poly[0] = 1447.8216;
+
+ size_t n = dmnsn_solve_polynomial(poly, 5, x);
+ if (n != 4) {
+ fprintf(stderr,
+ "--- Wrong number of roots found (%zu, should be %u) ---\n",
+ n, 4);
+ return EXIT_FAILURE;
+ }
+
+ for (size_t i = 0; i < n; ++i) {
+ double evmin = dmnsn_evaluate_polynomial(poly, 5, x[i] - dmnsn_epsilon);
+ double ev = dmnsn_evaluate_polynomial(poly, 5, x[i]);
+ double evmax = dmnsn_evaluate_polynomial(poly, 5, x[i] + dmnsn_epsilon);
+ if (fabs(evmin) < ev || fabs(evmax) < ev) {
+ fprintf(stderr, "--- Root %.15g is inaccurate! ---\n", x[i]);
+ return EXIT_FAILURE;
+ }
+ }
+
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/tests/prtree.c b/libdimension/tests/prtree.c
new file mode 100644
index 0000000..cb36153
--- /dev/null
+++ b/libdimension/tests/prtree.c
@@ -0,0 +1,98 @@
+/*************************************************************************
+ * Copyright (C) 2010-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/*
+ * Basic tests of PR-trees
+ */
+
+#include "dimension-impl.h"
+#include "../../libdimension/prtree.c" /* For DMNSN_PRTREE_B */
+#include <stdio.h>
+#include <stdlib.h>
+
+unsigned int calls = 0;
+
+static bool
+dmnsn_fake_intersection_fn(const dmnsn_object *object, dmnsn_line line,
+ dmnsn_intersection *intersection)
+{
+ intersection->t = (object->bounding_box.min.z - line.x0.z)/line.n.z;
+ intersection->normal = dmnsn_x;
+ ++calls;
+ return true;
+}
+
+static void
+dmnsn_randomize_bounding_box(dmnsn_object *object)
+{
+ dmnsn_vector a, b;
+
+ a.x = 2.0*((double)rand())/RAND_MAX - 1.0;
+ a.y = 2.0*((double)rand())/RAND_MAX - 1.0;
+ a.z = 2.0*((double)rand())/RAND_MAX - 1.0;
+
+ b.x = 2.0*((double)rand())/RAND_MAX - 1.0;
+ b.y = 2.0*((double)rand())/RAND_MAX - 1.0;
+ b.z = 2.0*((double)rand())/RAND_MAX - 1.0;
+
+ object->bounding_box.min = dmnsn_vector_min(a, b);
+ object->bounding_box.max = dmnsn_vector_max(a, b);
+}
+
+int
+main(void)
+{
+ /* Treat warnings as errors for tests */
+ dmnsn_die_on_warnings(true);
+
+ const size_t nobjects = 128;
+ dmnsn_scene *scene = dmnsn_new_scene();
+
+ for (size_t i = 0; i < nobjects; ++i) {
+ dmnsn_object *object = dmnsn_new_object();
+ dmnsn_randomize_bounding_box(object);
+ object->intersection_fn = dmnsn_fake_intersection_fn;
+ dmnsn_initialize_object(object);
+ dmnsn_array_push(scene->objects, &object);
+ }
+
+ dmnsn_prtree *prtree = dmnsn_new_prtree(scene->objects);
+
+ dmnsn_intersection intersection;
+ dmnsn_line ray = dmnsn_new_line(
+ dmnsn_new_vector(0.0, 0.0, -2.0),
+ dmnsn_new_vector(0.0, 0.0, 1.0)
+ );
+
+ if (!dmnsn_prtree_intersection(prtree, ray, &intersection, true)) {
+ fprintf(stderr, "--- Didn't find intersection! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ if (calls > DMNSN_PRTREE_B) {
+ fprintf(stderr,
+ "--- Too many intersection function calls: %u! ---\n",
+ calls);
+ return EXIT_FAILURE;
+ }
+
+ dmnsn_delete_prtree(prtree);
+ dmnsn_delete_scene(scene);
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/tests/render.c b/libdimension/tests/render.c
new file mode 100644
index 0000000..5b03423
--- /dev/null
+++ b/libdimension/tests/render.c
@@ -0,0 +1,309 @@
+/*************************************************************************
+ * Copyright (C) 2010-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "tests.h"
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/*
+ * Test scene -- code version of tests/dimension/demo.pov
+ */
+static dmnsn_scene *
+dmnsn_new_test_scene(void)
+{
+ /* Allocate a new scene */
+ dmnsn_scene *scene = dmnsn_new_scene();
+
+ /* Default finish */
+ scene->default_texture->finish = dmnsn_new_finish_combination(
+ dmnsn_new_ambient_finish(
+ dmnsn_color_mul(0.1, dmnsn_white)
+ ),
+ dmnsn_new_diffuse_finish(0.6)
+ );
+
+ /* Allocate a canvas */
+ scene->canvas = dmnsn_new_canvas(768, 480);
+
+ /* Set up the transformation matrix for the perspective camera */
+ dmnsn_matrix trans = dmnsn_scale_matrix(
+ dmnsn_new_vector(
+ ((double)scene->canvas->width)/scene->canvas->height, 1.0, 1.0
+ )
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_rotation_matrix(dmnsn_new_vector(0.0624188099959577, 0.0, 0.0)),
+ trans
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_translation_matrix(dmnsn_new_vector(0.0, 0.25, -4.0)),
+ trans
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_rotation_matrix(dmnsn_new_vector(0.0, dmnsn_radians(53.0), 0.0)),
+ trans
+ );
+
+ /* Create a perspective camera */
+ scene->camera = dmnsn_new_perspective_camera();
+ scene->camera->trans = trans;
+
+ /* Background color */
+ scene->background = dmnsn_clear;
+
+ /* Sky sphere */
+ scene->sky_sphere = dmnsn_new_sky_sphere();
+ dmnsn_pattern *sky_gradient = dmnsn_new_gradient_pattern(dmnsn_y);
+ dmnsn_map *sky_gradient_color_map = dmnsn_new_color_map();
+ dmnsn_add_map_entry(sky_gradient_color_map, 0.0, &dmnsn_orange);
+ dmnsn_color background = dmnsn_new_color5(0.0, 0.1, 0.2, 0.1, 0.0);
+ dmnsn_add_map_entry(sky_gradient_color_map, 0.35, &background);
+ dmnsn_pigment *sky_pigment
+ = dmnsn_new_color_map_pigment(sky_gradient, sky_gradient_color_map);
+ dmnsn_array_push(scene->sky_sphere->pigments, &sky_pigment);
+
+ /* Light source */
+ dmnsn_light *light = dmnsn_new_point_light(
+ dmnsn_new_vector(-15.0, 20.0, 10.0),
+ dmnsn_white
+ );
+ dmnsn_array_push(scene->lights, &light);
+
+ /* Now make our objects */
+
+ dmnsn_object *cube = dmnsn_new_cube();
+ cube->trans = dmnsn_rotation_matrix(
+ dmnsn_new_vector(dmnsn_radians(45.0), 0.0, 0.0)
+ );
+ cube->texture = dmnsn_new_texture();
+
+ dmnsn_color cube_color = dmnsn_blue;
+ cube_color.filter = 0.25;
+ cube_color.trans = 0.5;
+ cube->texture->pigment = dmnsn_new_solid_pigment(cube_color);
+
+ dmnsn_color reflect = dmnsn_color_mul(0.5, dmnsn_white);
+ cube->texture->finish = dmnsn_new_reflective_finish(reflect, reflect, 1.0);
+
+ cube->interior = dmnsn_new_interior();
+ cube->interior->ior = 1.1;
+
+ dmnsn_object *sphere = dmnsn_new_sphere();
+ sphere->texture = dmnsn_new_texture();
+ sphere->texture->pigment = dmnsn_new_solid_pigment(dmnsn_green);
+ sphere->texture->finish = dmnsn_new_phong_finish(0.2, 40.0);
+ sphere->trans = dmnsn_scale_matrix(dmnsn_new_vector(1.25, 1.25, 1.25));
+
+ dmnsn_object *csg = dmnsn_new_csg_difference(cube, sphere);
+ dmnsn_array_push(scene->objects, &csg);
+
+ dmnsn_array *arrow_array = dmnsn_new_array(sizeof(dmnsn_object *));
+
+ dmnsn_object *cylinder = dmnsn_new_cone(0.1, 0.1, false);
+ cylinder->trans = dmnsn_scale_matrix(dmnsn_new_vector(1.0, 1.25, 1.0));
+ dmnsn_array_push(arrow_array, &cylinder);
+
+ dmnsn_object *cone = dmnsn_new_cone(0.1, 0.0, true);
+ cone->trans =
+ dmnsn_matrix_mul(
+ dmnsn_translation_matrix(dmnsn_new_vector(0.0, 1.375, 0.0)),
+ dmnsn_scale_matrix(dmnsn_new_vector(1.0, 0.125, 1.0))
+ );
+ dmnsn_array_push(arrow_array, &cone);
+
+ dmnsn_object *arrow = dmnsn_new_csg_union(arrow_array);
+ arrow->trans = dmnsn_rotation_matrix(
+ dmnsn_new_vector(dmnsn_radians(-45.0), 0.0, 0.0)
+ );
+ dmnsn_pattern *gradient = dmnsn_new_gradient_pattern(dmnsn_y);
+ dmnsn_map *gradient_color_map = dmnsn_new_color_map();
+ dmnsn_add_map_entry(gradient_color_map, 0.0, &dmnsn_red);
+ dmnsn_add_map_entry(gradient_color_map, 1.0/6.0, &dmnsn_orange);
+ dmnsn_add_map_entry(gradient_color_map, 2.0/6.0, &dmnsn_yellow);
+ dmnsn_add_map_entry(gradient_color_map, 3.0/6.0, &dmnsn_green);
+ dmnsn_add_map_entry(gradient_color_map, 4.0/6.0, &dmnsn_blue);
+ dmnsn_add_map_entry(gradient_color_map, 5.0/6.0, &dmnsn_magenta);
+ dmnsn_add_map_entry(gradient_color_map, 1.0, &dmnsn_red);
+ arrow->texture = dmnsn_new_texture();
+ arrow->texture->pigment
+ = dmnsn_new_color_map_pigment(gradient, gradient_color_map);
+ arrow->texture->trans =
+ dmnsn_matrix_mul(
+ dmnsn_translation_matrix(dmnsn_new_vector(0.0, -1.25, 0.0)),
+ dmnsn_scale_matrix(dmnsn_new_vector(1.0, 2.75, 1.0))
+ );
+ dmnsn_array_push(scene->objects, &arrow);
+ dmnsn_delete_array(arrow_array);
+
+ dmnsn_array *torus_array = dmnsn_new_array(sizeof(dmnsn_object *));
+
+ dmnsn_object *torus1 = dmnsn_new_torus(0.15, 0.05);
+ torus1->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, -1.0, 0.0));
+ dmnsn_array_push(torus_array, &torus1);
+
+ dmnsn_object *torus2 = dmnsn_new_torus(0.15, 0.05);
+ dmnsn_array_push(torus_array, &torus2);
+
+ dmnsn_object *torus3 = dmnsn_new_torus(0.15, 0.05);
+ torus3->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, 1.0, 0.0));
+ dmnsn_array_push(torus_array, &torus3);
+
+ dmnsn_object *torii = dmnsn_new_csg_union(torus_array);
+ torii->trans = dmnsn_rotation_matrix(
+ dmnsn_new_vector(dmnsn_radians(-45.0), 0.0, 0.0)
+ );
+ torii->texture = dmnsn_new_texture();
+ torii->texture->pigment = dmnsn_new_solid_pigment(dmnsn_blue);
+ torii->texture->finish = dmnsn_new_ambient_finish(dmnsn_white);
+ dmnsn_array_push(scene->objects, &torii);
+ dmnsn_delete_array(torus_array);
+
+ dmnsn_object *plane = dmnsn_new_plane(dmnsn_new_vector(0.0, 1.0, 0.0));
+ plane->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, -2.0, 0.0));
+ plane->texture = dmnsn_new_texture();
+ dmnsn_pattern *checker1 = dmnsn_new_checker_pattern();
+ dmnsn_pattern *checker2 = dmnsn_new_checker_pattern();
+ dmnsn_map *checker_color_map = dmnsn_new_color_map();
+ dmnsn_add_map_entry(checker_color_map, 0.0, &dmnsn_black);
+ dmnsn_add_map_entry(checker_color_map, 1.0, &dmnsn_white);
+ dmnsn_pigment *pigment1 = dmnsn_new_solid_pigment(dmnsn_white);
+ dmnsn_pigment *pigment2
+ = dmnsn_new_color_map_pigment(checker1, checker_color_map);
+ pigment2->trans
+ = dmnsn_scale_matrix(dmnsn_new_vector(1.0/3.0, 1.0/3.0, 1.0/3.0));
+ dmnsn_map *checker_pigment_map = dmnsn_new_pigment_map();
+ dmnsn_add_map_entry(checker_pigment_map, 0.0, &pigment1);
+ dmnsn_add_map_entry(checker_pigment_map, 1.0, &pigment2);
+ plane->texture->pigment
+ = dmnsn_new_pigment_map_pigment(checker2, checker_pigment_map);
+ plane->texture->pigment->quick_color = dmnsn_new_color(1.0, 0.5, 0.75);
+ dmnsn_array_push(scene->objects, &plane);
+
+ return scene;
+}
+
+int
+main(void)
+{
+ /* Treat warnings as errors for tests */
+ dmnsn_die_on_warnings(true);
+
+ /* Create the test scene */
+ dmnsn_scene *scene = dmnsn_new_test_scene();
+
+ /* Optimize the canvas for PNG export */
+ bool have_png = true;
+ errno = 0;
+ if (dmnsn_png_optimize_canvas(scene->canvas) != 0) {
+ if (errno == ENOSYS) {
+ have_png = false;
+ } else {
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Couldn't optimize canvas for PNG! ---\n");
+ return EXIT_FAILURE;
+ }
+ }
+
+ /* Optimize the canvas for GL drawing */
+ bool have_gl = true;
+ errno = 0;
+ if (dmnsn_gl_optimize_canvas(scene->canvas) != 0) {
+ if (errno == ENOSYS) {
+ have_gl = false;
+ } else {
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Couldn't optimize canvas for GL! ---\n");
+ return EXIT_FAILURE;
+ }
+ }
+
+ dmnsn_clear_canvas(scene->canvas, dmnsn_black);
+
+ /* Create a new glX display */
+ dmnsn_display *display = NULL;
+ if (have_gl) {
+ display = dmnsn_new_display(scene->canvas);
+ if (!display) {
+ fprintf(stderr, "--- WARNING: Couldn't initialize X or glX! ---\n");
+ }
+ }
+
+ /* Render the scene */
+
+ printf("Rendering scene\n");
+ dmnsn_progress *progress = dmnsn_raytrace_scene_async(scene);
+
+ /* Display the scene as it's rendered */
+ if (display) {
+ while (dmnsn_get_progress(progress) < 1.0) {
+ if (dmnsn_gl_write_canvas(scene->canvas) != 0) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Drawing to OpenGL failed! ---\n");
+ return EXIT_FAILURE;
+ }
+ dmnsn_display_flush(display);
+ }
+ }
+
+ if (dmnsn_finish_progress(progress) != 0) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Raytracing failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* Make sure we show the completed rendering */
+ if (display) {
+ printf("Drawing to OpenGL\n");
+ if (dmnsn_gl_write_canvas(scene->canvas) != 0) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Drawing to OpenGL failed! ---\n");
+ return EXIT_FAILURE;
+ }
+ dmnsn_display_flush(display);
+ }
+
+ if (have_png) {
+ printf("Writing scene to PNG\n");
+ FILE *ofile = fopen("render.png", "wb");
+ if (!ofile) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Couldn't open 'render.png' for writing! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ if (dmnsn_png_write_canvas(scene->canvas, ofile) != 0) {
+ fclose(ofile);
+ dmnsn_delete_display(display);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Writing canvas to PNG failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ fclose(ofile);
+ }
+
+ dmnsn_delete_display(display);
+ dmnsn_delete_scene(scene);
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/tests/tests.h b/libdimension/tests/tests.h
new file mode 100644
index 0000000..d61e442
--- /dev/null
+++ b/libdimension/tests/tests.h
@@ -0,0 +1,46 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#ifndef TESTS_H
+#define TESTS_H
+
+#include "dimension.h"
+
+#ifdef __cplusplus
+/* We've been included from a C++ file; mark everything here as extern "C" */
+extern "C" {
+#endif
+
+/*
+ * Windowing
+ */
+
+typedef struct dmnsn_display dmnsn_display;
+
+dmnsn_display *dmnsn_new_display(const dmnsn_canvas *canvas);
+void dmnsn_delete_display(dmnsn_display *display);
+
+/* Flush the GL buffers */
+void dmnsn_display_flush(dmnsn_display *display);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TESTS_H */
diff --git a/libdimension/tests/warning-as-error.c b/libdimension/tests/warning-as-error.c
new file mode 100644
index 0000000..ce274d3
--- /dev/null
+++ b/libdimension/tests/warning-as-error.c
@@ -0,0 +1,31 @@
+/*************************************************************************
+ * Copyright (C) 2009-2011 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/* Make sure warnings kill us in strict mode - this test should fail */
+
+#include "dimension.h"
+#include <stdlib.h>
+
+int
+main(void)
+{
+ dmnsn_die_on_warnings(true);
+ dmnsn_warning("This warning is expected.");
+ return EXIT_SUCCESS;
+}
diff --git a/libdimension/tests/warning.c b/libdimension/tests/warning.c
new file mode 100644
index 0000000..aecedd5
--- /dev/null
+++ b/libdimension/tests/warning.c
@@ -0,0 +1,30 @@
+/*************************************************************************
+ * Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/* Make sure warnings don't kill us - this test should pass */
+
+#include "dimension.h"
+#include <stdlib.h>
+
+int
+main(void)
+{
+ dmnsn_warning("This warning is expected.");
+ return EXIT_SUCCESS;
+}
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