summaryrefslogtreecommitdiff
path: root/libs/glfw-3.3.8/tests/timeout.c
diff options
context:
space:
mode:
authorsanine <sanine.not@pm.me>2022-08-21 20:27:25 -0500
committersanine <sanine.not@pm.me>2022-08-21 20:27:25 -0500
commit5a1275f661f2d879411411a1376b790f8aec7947 (patch)
treee552e2290883d3c6a40c4c123fed1ff5bdedeff9 /libs/glfw-3.3.8/tests/timeout.c
parentced4c513947132cae08c6627fd2030b4345eb39d (diff)
add glfw library
Diffstat (limited to 'libs/glfw-3.3.8/tests/timeout.c')
-rw-r--r--libs/glfw-3.3.8/tests/timeout.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/libs/glfw-3.3.8/tests/timeout.c b/libs/glfw-3.3.8/tests/timeout.c
new file mode 100644
index 0000000..bda2560
--- /dev/null
+++ b/libs/glfw-3.3.8/tests/timeout.c
@@ -0,0 +1,98 @@
+//========================================================================
+// Event wait timeout test
+// Copyright (c) Camilla Löwy <elmindreda@glfw.org>
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would
+// be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+// be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+// distribution.
+//
+//========================================================================
+//
+// This test is intended to verify that waiting for events with timeout works
+//
+//========================================================================
+
+#include <glad/gl.h>
+#define GLFW_INCLUDE_NONE
+#include <GLFW/glfw3.h>
+
+#include <time.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void error_callback(int error, const char* description)
+{
+ fprintf(stderr, "Error: %s\n", description);
+}
+
+static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
+{
+ if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
+ glfwSetWindowShouldClose(window, GLFW_TRUE);
+}
+
+static float nrand(void)
+{
+ return (float) rand() / (float) RAND_MAX;
+}
+
+int main(void)
+{
+ GLFWwindow* window;
+
+ srand((unsigned int) time(NULL));
+
+ glfwSetErrorCallback(error_callback);
+
+ if (!glfwInit())
+ exit(EXIT_FAILURE);
+
+ window = glfwCreateWindow(640, 480, "Event Wait Timeout Test", NULL, NULL);
+ if (!window)
+ {
+ glfwTerminate();
+ exit(EXIT_FAILURE);
+ }
+
+ glfwMakeContextCurrent(window);
+ gladLoadGL(glfwGetProcAddress);
+ glfwSetKeyCallback(window, key_callback);
+
+ while (!glfwWindowShouldClose(window))
+ {
+ int width, height;
+ float r = nrand(), g = nrand(), b = nrand();
+ float l = (float) sqrt(r * r + g * g + b * b);
+
+ glfwGetFramebufferSize(window, &width, &height);
+
+ glViewport(0, 0, width, height);
+ glClearColor(r / l, g / l, b / l, 1.f);
+ glClear(GL_COLOR_BUFFER_BIT);
+ glfwSwapBuffers(window);
+
+ glfwWaitEventsTimeout(1.0);
+ }
+
+ glfwDestroyWindow(window);
+
+ glfwTerminate();
+ exit(EXIT_SUCCESS);
+}
+