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-rw-r--r--test/test_utils.h145
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diff --git a/test/test_utils.h b/test/test_utils.h
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+++ b/test/test_utils.h
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+/*
+ Copyright 2012-2019 David Robillard <http://drobilla.net>
+
+ Permission to use, copy, modify, and/or distribute this software for any
+ purpose with or without fee is hereby granted, provided that the above
+ copyright notice and this permission notice appear in all copies.
+
+ THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "pugl/pugl.h"
+
+#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+
+static const float cubeVertices[] = {
+ -1.0f, -1.0f, -1.0f,
+ -1.0f, -1.0f, 1.0f,
+ -1.0f, 1.0f, 1.0f,
+
+ 1.0f, 1.0f, -1.0f,
+ -1.0f, -1.0f, -1.0f,
+ -1.0f, 1.0f, -1.0f,
+
+ 1.0f, -1.0f, 1.0f,
+ -1.0f, -1.0f, -1.0f,
+ 1.0f, -1.0f, -1.0f,
+
+ 1.0f, 1.0f, -1.0f,
+ 1.0f, -1.0f, -1.0f,
+ -1.0f, -1.0f, -1.0f,
+
+ -1.0f, -1.0f, -1.0f,
+ -1.0f, 1.0f, 1.0f,
+ -1.0f, 1.0f, -1.0f,
+
+ 1.0f, -1.0f, 1.0f,
+ -1.0f, -1.0f, 1.0f,
+ -1.0f, -1.0f, -1.0f,
+
+ -1.0f, 1.0f, 1.0f,
+ -1.0f, -1.0f, 1.0f,
+ 1.0f, -1.0f, 1.0f,
+
+ 1.0f, 1.0f, 1.0f,
+ 1.0f, -1.0f, -1.0f,
+ 1.0f, 1.0f, -1.0f,
+
+ 1.0f, -1.0f, -1.0f,
+ 1.0f, 1.0f, 1.0f,
+ 1.0f, -1.0f, 1.0f,
+
+ 1.0f, 1.0f, 1.0f,
+ 1.0f, 1.0f, -1.0f,
+ -1.0f, 1.0f, -1.0f,
+
+ 1.0f, 1.0f, 1.0f,
+ -1.0f, 1.0f, -1.0f,
+ -1.0f, 1.0f, 1.0f,
+
+ 1.0f, 1.0f, 1.0f,
+ -1.0f, 1.0f, 1.0f,
+ 1.0f, -1.0f, 1.0f
+};
+
+/** Calculate a projection matrix for a given perspective. */
+static void
+perspective(float* m, float fov, float aspect, float zNear, float zFar)
+{
+ const float h = tanf(fov);
+ const float w = h / aspect;
+ const float depth = zNear - zFar;
+ const float q = (zFar + zNear) / depth;
+ const float qn = 2 * zFar * zNear / depth;
+
+ m[0] = w; m[1] = 0; m[2] = 0; m[3] = 0;
+ m[4] = 0; m[5] = h; m[6] = 0; m[7] = 0;
+ m[8] = 0; m[9] = 0; m[10] = q; m[11] = -1;
+ m[12] = 0; m[13] = 0; m[14] = qn; m[15] = 0;
+}
+
+static int
+printModifiers(const uint32_t mods)
+{
+ return fprintf(stderr, "Modifiers:%s%s%s%s\n",
+ (mods & PUGL_MOD_SHIFT) ? " Shift" : "",
+ (mods & PUGL_MOD_CTRL) ? " Ctrl" : "",
+ (mods & PUGL_MOD_ALT) ? " Alt" : "",
+ (mods & PUGL_MOD_SUPER) ? " Super" : "");
+}
+
+static int
+printEvent(const PuglEvent* event, const char* prefix)
+{
+ switch (event->type) {
+ case PUGL_KEY_PRESS:
+ return fprintf(stderr, "%sKey %u (char U+%04X special U+%04X) press (%s)%s\n",
+ prefix,
+ event->key.keycode, event->key.character, event->key.special,
+ event->key.utf8, event->key.filter ? " (filtered)" : "");
+
+ case PUGL_KEY_RELEASE:
+ return fprintf(stderr, "%sKey %u (char U+%04X special U+%04X) release (%s)%s\n",
+ prefix,
+ event->key.keycode, event->key.character, event->key.special,
+ event->key.utf8, event->key.filter ? " (filtered)" : "");
+ case PUGL_BUTTON_PRESS:
+ case PUGL_BUTTON_RELEASE:
+ return (fprintf(stderr, "%sMouse %d %s at %f,%f ",
+ prefix,
+ event->button.button,
+ (event->type == PUGL_BUTTON_PRESS) ? "down" : "up",
+ event->button.x,
+ event->button.y) +
+ printModifiers(event->scroll.state));
+ case PUGL_SCROLL:
+ return (fprintf(stderr, "%sScroll %f %f %f %f ",
+ prefix,
+ event->scroll.x, event->scroll.y,
+ event->scroll.dx, event->scroll.dy) +
+ printModifiers(event->scroll.state));
+ case PUGL_ENTER_NOTIFY:
+ return fprintf(stderr, "%sMouse enter at %f,%f\n",
+ prefix, event->crossing.x, event->crossing.y);
+ case PUGL_LEAVE_NOTIFY:
+ return fprintf(stderr, "%sMouse leave at %f,%f\n",
+ prefix, event->crossing.x, event->crossing.y);
+ case PUGL_FOCUS_IN:
+ return fprintf(stderr, "%sFocus in%s\n",
+ prefix, event->focus.grab ? " (grab)" : "");
+ case PUGL_FOCUS_OUT:
+ return fprintf(stderr, "%sFocus out%s\n",
+ prefix, event->focus.grab ? " (ungrab)" : "");
+ default: break;
+ }
+
+ return 0;
+}