Added modes test.

readme.html

@@ -280,6 +280,7 @@ version of GLFW.</p>
   <li>Added <code>windows</code> simple multi-window test program</li>
   <li>Added <code>sharing</code> simple OpenGL object sharing test program</li>
   <li>Added <code>dynamic</code> simple dynamic linking test program</li>
+  <li>Added <code>modes</code> video mode enumeration and setting test program</li>
   <li>Added a parameter to <code>glfwOpenWindow</code> for specifying a context the new window's context will share objects with</li>
   <li>Added initial window title parameter to <code>glfwOpenWindow</code></li>
   <li>Added <code>glfwSetGamma</code>, <code>glfwSetGammaRamp</code> and <code>glfwGetGammaRamp</code> functions and <code>GLFWgammaramp</code> type for monitor gamma ramp control</li>

tests/CMakeLists.txt

@@ -36,6 +36,9 @@ target_link_libraries(joysticks ${STATIC_DEPS})
 add_executable(listmodes listmodes.c)
 target_link_libraries(listmodes ${STATIC_DEPS})
 
+add_executable(modes modes.c getopt.c)
+target_link_libraries(modes ${STATIC_DEPS})
+
 add_executable(peter peter.c)
 target_link_libraries(peter ${STATIC_DEPS})
 
@@ -64,7 +67,7 @@ set_target_properties(windows PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Windows")
 
 set(WINDOWS_BINARIES accuracy sharing tearing title windows)
 set(CONSOLE_BINARIES defaults events fsaa fsfocus gamma glfwinfo iconify
-                     joysticks listmodes peter reopen)
+                     joysticks listmodes modes peter reopen)
 
 if (MSVC)
     # Tell MSVC to use main instead of WinMain for Windows subsystem executables

tests/modes.c

@@ -0,0 +1,225 @@
+//========================================================================
+// Video mode test
+// Copyright (c) Camilla Berglund <elmindreda@elmindreda.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 enumerates or verifies video modes
+//
+//========================================================================
+
+#include <GL/glfw3.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "getopt.h"
+
+static GLFWwindow window = NULL;
+
+enum Mode
+{
+    NO_MODE,
+    LIST_MODE,
+    TEST_MODE
+};
+
+static void usage(void)
+{
+    printf("Usage: modes -l\n");
+    printf("       modes -t\n");
+    printf("       modes -h\n");
+}
+
+static void print_mode(GLFWvidmode* mode)
+{
+    printf("%i x %i x %i (%i %i %i)",
+           mode->width, mode->height,
+           mode->redBits + mode->greenBits + mode->blueBits,
+           mode->redBits, mode->greenBits, mode->blueBits);
+}
+
+static void error_callback(int error, const char* description)
+{
+    fprintf(stderr, "Error: %s\n", description);
+}
+
+static void window_size_callback(GLFWwindow window, int width, int height)
+{
+    printf("Window resized to %ix%i\n", width, height);
+
+    glViewport(0, 0, width, height);
+}
+
+static int window_close_callback(GLFWwindow dummy)
+{
+    window = NULL;
+    return GL_TRUE;
+}
+
+static void list_modes(GLFWvidmode* modes, int count)
+{
+    int i;
+    GLFWvidmode mode;
+
+    glfwGetDesktopMode(&mode);
+    printf("Desktop mode: ");
+    print_mode(&mode);
+    putchar('\n');
+
+    for (i = 0;  i < count;  i++)
+    {
+        printf("%3i: ", i);
+        print_mode(modes + i);
+        putchar('\n');
+    }
+}
+
+static void test_modes(GLFWvidmode* modes, int count)
+{
+    int i, width, height;
+
+    glfwSetWindowSizeCallback(window_size_callback);
+    glfwSetWindowCloseCallback(window_close_callback);
+
+    for (i = 0;  i < count;  i++)
+    {
+        glfwOpenWindowHint(GLFW_RED_BITS, modes[i].redBits);
+        glfwOpenWindowHint(GLFW_GREEN_BITS, modes[i].greenBits);
+        glfwOpenWindowHint(GLFW_BLUE_BITS, modes[i].blueBits);
+
+        printf("Opening ");
+        print_mode(modes + i);
+        printf(" window\n");
+
+        window = glfwOpenWindow(modes[i].width, modes[i].height,
+                                GLFW_FULLSCREEN, "Video Mode Test",
+                                NULL);
+        if (!window)
+        {
+            printf("Failed to enter mode %i: ", i);
+            print_mode(modes + i);
+            putchar('\n');
+            continue;
+        }
+
+        glfwSetTime(0.0);
+        glfwSwapInterval(1);
+
+        while (glfwGetTime() < 5.0)
+        {
+            glClear(GL_COLOR_BUFFER_BIT);
+            glfwSwapBuffers();
+            glfwPollEvents();
+
+            if (!window)
+            {
+                printf("User terminated program\n");
+                exit(EXIT_SUCCESS);
+            }
+        }
+
+        if (glfwGetWindowParam(window, GLFW_RED_BITS) != modes[i].redBits ||
+            glfwGetWindowParam(window, GLFW_GREEN_BITS) != modes[i].greenBits ||
+            glfwGetWindowParam(window, GLFW_BLUE_BITS) != modes[i].blueBits)
+        {
+            printf("*** Color bit mismatch: (%i %i %i) instead of (%i %i %i)\n",
+                   glfwGetWindowParam(window, GLFW_RED_BITS),
+                   glfwGetWindowParam(window, GLFW_GREEN_BITS),
+                   glfwGetWindowParam(window, GLFW_BLUE_BITS),
+                   modes[i].redBits,
+                   modes[i].greenBits,
+                   modes[i].blueBits);
+        }
+
+        glfwGetWindowSize(window, &width, &height);
+
+        if (width != modes[i].width || height != height)
+        {
+            printf("*** Size mismatch: %ix%i instead of %ix%i\n",
+                   width, height,
+                   modes[i].width, modes[i].height);
+        }
+
+        printf("Closing window\n");
+
+        glfwCloseWindow(window);
+        glfwPollEvents();
+        window = NULL;
+
+        sleep(5);
+    }
+}
+
+int main(int argc, char** argv)
+{
+    int ch, found, count = 0, mode = NO_MODE;
+    GLFWvidmode* modes = NULL;
+
+    while ((ch = getopt(argc, argv, "lth")) != -1)
+    {
+        switch (ch)
+        {
+            case 'h':
+                usage();
+                exit(EXIT_SUCCESS);
+            case 'l':
+                mode = LIST_MODE;
+                break;
+            case 't':
+                mode = TEST_MODE;
+                break;
+            default:
+                usage();
+                exit(EXIT_FAILURE);
+        }
+    }
+
+    argc -= optind;
+    argv += optind;
+
+    glfwSetErrorCallback(error_callback);
+
+    if (!glfwInit())
+        exit(EXIT_FAILURE);
+
+    for (;;)
+    {
+        count += 256;
+        modes = realloc(modes, sizeof(GLFWvidmode) * count);
+
+        found = glfwGetVideoModes(modes, count);
+        if (found < count)
+            break;
+    }
+
+    if (mode == LIST_MODE)
+        list_modes(modes, found);
+    else if (mode == TEST_MODE)
+        test_modes(modes, found);
+
+    free(modes);
+    modes = NULL;
+
+    exit(EXIT_SUCCESS);
+}
+