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-rw-r--r--libdimension/Makefile.am6
-rw-r--r--libdimension/X.c36
-rw-r--r--libdimension/dimension.h1
-rw-r--r--libdimension/dimension/X.h37
-rw-r--r--tests/Makefile.am4
-rw-r--r--tests/X.c189
6 files changed, 271 insertions, 2 deletions
diff --git a/libdimension/Makefile.am b/libdimension/Makefile.am
index 7a18535..42d3788 100644
--- a/libdimension/Makefile.am
+++ b/libdimension/Makefile.am
@@ -31,7 +31,8 @@ nobase_include_HEADERS = dimension.h \
dimension/object.h \
dimension/objects.h \
dimension/raytrace.h \
- dimension/scene.h
+ dimension/scene.h \
+ dimension/X.h
lib_LTLIBRARIES = libdimension.la
@@ -49,6 +50,7 @@ libdimension_la_SOURCES = $(nobase_include_HEADERS) \
object.c \
objects.c \
raytrace.c \
- scene.c
+ scene.c \
+ X.c
libdimension_la_LDFLAGS = -version-info 0:0:0
libdimension_la_LIBADD = -lm -lpthread -lpng -lGL
diff --git a/libdimension/X.c b/libdimension/X.c
new file mode 100644
index 0000000..05ab5a2
--- /dev/null
+++ b/libdimension/X.c
@@ -0,0 +1,36 @@
+/*************************************************************************
+ * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser 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 Library 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 *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "dimension.h"
+
+/* Write canvas to X window. Returns 0 on success, nonzero on failure. */
+int
+dmnsn_X_write_canvas(const dmnsn_canvas *canvas)
+{
+ return 1;
+}
+
+/* Read a canvas from a GL framebuffer. Returns NULL on failure. */
+dmnsn_canvas *
+dmnsn_X_read_canvas(unsigned int x0, unsigned int y0,
+ unsigned int width, unsigned int height)
+{
+ return NULL;
+}
diff --git a/libdimension/dimension.h b/libdimension/dimension.h
index 869b959..1745f97 100644
--- a/libdimension/dimension.h
+++ b/libdimension/dimension.h
@@ -57,6 +57,7 @@ extern "C" {
#include <dimension/geometry.h>
#include <dimension/color.h>
#include <dimension/canvas.h>
+#include <dimension/X.h>
#include <dimension/gl.h>
#include <dimension/png.h>
#include <dimension/object.h>
diff --git a/libdimension/dimension/X.h b/libdimension/dimension/X.h
new file mode 100644
index 0000000..58de945
--- /dev/null
+++ b/libdimension/dimension/X.h
@@ -0,0 +1,37 @@
+/*************************************************************************
+ * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser 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 Library 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 *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/*
+ * Draw a canvas to an X window.
+ */
+
+#ifndef DIMENSION_X_H
+#define DIMENSION_X_H
+
+#include <stdio.h>
+
+/* Write canvas to X window. Returns 0 on success, nonzero on failure. */
+int dmnsn_X_write_canvas(const dmnsn_canvas *canvas);
+
+/* Read a canvas from a GL framebuffer. Returns NULL on failure. */
+dmnsn_canvas *dmnsn_X_read_canvas(unsigned int x0, unsigned int y0,
+ unsigned int width, unsigned int height);
+
+#endif /* DIMENSION_X_H */
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 6d496f6..8ad26c5 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -25,6 +25,7 @@ check_PROGRAMS = warning-test \
pngxx-test \
raytrace-test \
raytracexx-test \
+ X-test \
gl-test
TESTS = $(check_PROGRAMS)
XFAIL_TESTS = error-test
@@ -57,5 +58,8 @@ raytrace_test_LDADD = ./libdimension-tests.la
raytracexx_test_SOURCES = raytracexx.cpp
raytracexx_test_LDADD = ./libdimensionxx-tests.la
+X_test_SOURCES = X.c
+X_test_LDADD = ./libdimension-tests.la
+
gl_test_SOURCES = gl.c
gl_test_LDADD = ./libdimension-tests.la
diff --git a/tests/X.c b/tests/X.c
new file mode 100644
index 0000000..b8735e3
--- /dev/null
+++ b/tests/X.c
@@ -0,0 +1,189 @@
+/*************************************************************************
+ * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * Dimension is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU Lesser General Public License as published *
+ * by the Free Software Foundation; either version 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * Dimension 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 *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser 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() {
+ dmnsn_display *display;
+ dmnsn_progress *progress;
+ dmnsn_scene *scene;
+ dmnsn_object *sphere, *cube;
+ dmnsn_sRGB sRGB;
+ dmnsn_color color;
+ dmnsn_matrix trans;
+ unsigned int i;
+
+ /* Set the resilience low for tests */
+ dmnsn_set_resilience(DMNSN_SEVERITY_LOW);
+
+ /* Allocate our new scene */
+ scene = dmnsn_new_scene();
+ if (!scene) {
+ fprintf(stderr, "--- Allocation of scene failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* Allocate a canvas */
+ scene->canvas = dmnsn_new_canvas(768, 480);
+ if (!scene->canvas) {
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Allocation of canvas failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* Set up the transformation matrix for the perspective camera */
+ trans = dmnsn_scale_matrix(
+ dmnsn_vector_construct(
+ ((double)scene->canvas->x)/scene->canvas->y, 1.0, 1.0
+ )
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_translation_matrix(dmnsn_vector_construct(0.0, 0.0, -4.0)),
+ trans
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.0, 1.0, 0.0)),
+ trans
+ );
+
+ /* Create a perspective camera */
+ scene->camera = dmnsn_new_perspective_camera(trans);
+ if (!scene->camera) {
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Allocation of camera failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* Background color */
+ sRGB.R = 0.0;
+ sRGB.G = 0.0;
+ sRGB.B = 0.1;
+ color = dmnsn_color_from_sRGB(sRGB);
+ color.filter = 0.1;
+ scene->background = color;
+
+ /* Now make our objects */
+
+ sphere = dmnsn_new_sphere();
+ if (!sphere) {
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Allocation of sphere failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ sphere->trans = dmnsn_matrix_inverse(
+ dmnsn_scale_matrix(dmnsn_vector_construct(1.25, 1.25, 1.25))
+ );
+ dmnsn_array_push(scene->objects, &sphere);
+
+ cube = dmnsn_new_cube();
+ if (!cube) {
+ dmnsn_delete_sphere(sphere);
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Allocation of cube failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ cube->trans = dmnsn_matrix_inverse(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.75, 0.0, 0.0))
+ );
+ dmnsn_array_push(scene->objects, &cube);
+
+ display = dmnsn_new_X_display(scene->canvas);
+ if (!display) {
+ dmnsn_delete_cube(cube);
+ dmnsn_delete_sphere(sphere);
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Couldn't initialize X! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ for (i = 0; i < 10; ++i) {
+ progress = dmnsn_raytrace_scene_async(scene);
+ if (!progress) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_cube(cube);
+ dmnsn_delete_sphere(sphere);
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Couldn't start raytracing worker thread! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ progressbar("Raytracing scene: ", progress);
+
+ if (dmnsn_finish_progress(progress) != 0) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_cube(cube);
+ dmnsn_delete_sphere(sphere);
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Raytracing failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ if (dmnsn_X_write_canvas(scene->canvas) != 0) {
+ dmnsn_delete_display(display);
+ dmnsn_delete_cube(cube);
+ dmnsn_delete_sphere(sphere);
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ fprintf(stderr, "--- Drawing to X failed! ---\n");
+ return EXIT_FAILURE;
+ }
+ dmnsn_display_frame(display);
+
+ /* Rotate the cube and camera for the next frame */
+
+ cube->trans = dmnsn_matrix_mul(
+ dmnsn_matrix_inverse(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.025, 0.0, 0.0))
+ ),
+ cube->trans
+ );
+
+ trans = dmnsn_matrix_mul(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.0, -0.05, 0.0)),
+ trans
+ );
+ dmnsn_set_perspective_camera_trans(scene->camera, trans);
+ }
+
+ dmnsn_delete_display(display);
+ dmnsn_delete_cube(cube);
+ dmnsn_delete_sphere(sphere);
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return EXIT_SUCCESS;
+}
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