Add a test for basic functionality on win32.

test/.gitignore

@@ -6,5 +6,6 @@ glx_public_api
 glx_public_api_core
 headerguards
 miscdefines
+wgl_core_and_exts
 *.log
 *.trs

test/Makefile.am

@@ -23,6 +23,7 @@ EPOXY = $(builddir)/../src/libepoxy.la
 check_LTLIBRARIES = \
 	$(EGL_LIBS) \
 	$(GLX_LIBS) \
+	$(WGL_LIBS) \
 	$()
 
 libegl_common_la_SOURCES = \
@@ -35,6 +36,12 @@ libglx_common_la_SOURCES = \
 	glx_common.h
 	$()
 
+libwgl_common_la_SOURCES = \
+	wgl_common.c \
+	wgl_common.h
+	$()
+libwgl_common_la_LIBADD = $(EPOXY)
+
 AM_CPPFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(top_builddir)/include \
@@ -43,6 +50,7 @@ AM_CPPFLAGS = \
 TESTS = \
 	$(EGL_TESTS) \
 	$(GLX_TESTS) \
+	$(WGL_TESTS) \
 	headerguards$(EXEEXT) \
 	miscdefines$(EXEEXT) \
 	$()
@@ -69,6 +77,14 @@ GLX_TESTS = \
 GLX_LIBS = libglx_common.la
 endif
 
+if BUILD_WGL
+WGL_TESTS = \
+	wgl_core_and_exts$(EXEEXT) \
+	$()
+
+WGL_LIBS = libwgl_common.la
+endif
+
 egl_has_extension_nocontext_LDFLAGS = $(X11_LIBS) $(EPOXY) libegl_common.la
 egl_has_extension_nocontext_DEPENDENCIES = libegl_common.la
 
@@ -86,3 +102,6 @@ glx_glxgetprocaddress_nocontext_DEPENDENCIES = libglx_common.la
 
 glx_has_extension_nocontext_LDFLAGS = $(X11_LIBS) $(EPOXY) libglx_common.la
 glx_has_extension_nocontext_DEPENDENCIES = libglx_common.la
+
+wgl_core_and_exts_LDFLAGS = $(EPOXY) libwgl_common.la -lgdi32
+wgl_core_and_exts_DEPENDENCIES = libwgl_common.la

test/wgl_common.c

@@ -0,0 +1,128 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <epoxy/wgl.h>
+#include "wgl_common.h"
+
+static int (*test_callback)(HDC hdc);
+
+static void
+setup_pixel_format(HDC hdc)
+{
+    PIXELFORMATDESCRIPTOR pfd = {
+        sizeof(PIXELFORMATDESCRIPTOR),
+        1,
+        PFD_SUPPORT_OPENGL |
+        PFD_DRAW_TO_WINDOW |
+        PFD_DOUBLEBUFFER,
+        PFD_TYPE_RGBA,
+        32,
+        0, 0, 0, 0, 0, 0,
+        0,
+        0,
+        0,
+        0, 0, 0, 0,
+        16,
+        0,
+        0,
+        PFD_MAIN_PLANE,
+        0,
+        0, 0, 0,
+    };
+    int pixel_format;
+
+    pixel_format = ChoosePixelFormat(hdc, &pfd);
+    if (!pixel_format) {
+        fprintf(stderr, "ChoosePixelFormat failed.");
+        exit(1);
+    }
+
+    if (SetPixelFormat(hdc, pixel_format, &pfd) != TRUE) {
+        fprintf(stderr, "SetPixelFormat() failed.");
+        exit(1);
+    }
+}
+
+static LRESULT CALLBACK
+window_proc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
+{
+    HDC hdc = GetDC(hwnd);
+    int ret;
+
+    switch (message) {
+    case WM_CREATE:
+        setup_pixel_format(hdc);
+        ret = test_callback(hdc);
+        ReleaseDC(hwnd, hdc);
+        exit(ret);
+        return 0;
+    default:
+        return DefWindowProc(hwnd, message, wparam, lparam);
+    }
+}
+
+void
+make_window_and_test(int (*callback)(HDC hdc))
+{
+    const char *class_name = "epoxy";
+    const char *window_name = "epoxy";
+    int width = 150;
+    int height = 150;
+    HWND hwnd;
+    HINSTANCE hcurrentinst = NULL;
+    WNDCLASS window_class;
+
+    test_callback = callback;
+
+    memset(&window_class, 0, sizeof(window_class));
+    window_class.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
+    window_class.lpfnWndProc = window_proc;
+    window_class.cbClsExtra = 0;
+    window_class.cbWndExtra = 0;
+    window_class.hInstance = hcurrentinst;
+    window_class.hIcon = LoadIcon(NULL, IDI_APPLICATION);
+    window_class.hCursor = LoadCursor(NULL, IDC_ARROW);
+    window_class.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
+    window_class.lpszMenuName = NULL;
+    window_class.lpszClassName = class_name;
+    if (!RegisterClass(&window_class)) {
+        fprintf(stderr, "Failed to register window class\n");
+        exit(1);
+    }
+
+    /* create window */
+    hwnd = CreateWindow(class_name, window_name,
+                        WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
+                        0, 0, width, height,
+                        NULL, NULL, hcurrentinst, NULL);
+
+    ShowWindow(hwnd, SW_SHOWDEFAULT);
+    UpdateWindow(hwnd);
+
+    MSG msg;
+    while (GetMessage(&msg, NULL, 0, 0)) {
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+    }
+}

test/wgl_common.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <epoxy/wgl.h>
+
+void
+make_window_and_test(int (*callback)(HDC hdc));

test/wgl_core_and_exts.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <config.h>
+#include <stdio.h>
+
+#include "wgl_common.h"
+#include <epoxy/gl.h>
+
+static int
+test_function(HDC hdc)
+{
+    bool pass = true;
+    int val;
+    HGLRC ctx;
+
+    ctx = wglCreateContext(hdc);
+    if (!ctx) {
+        fprintf(stderr, "Failed to create wgl context\n");
+        return 1;
+    }
+    if (!wglMakeCurrent(hdc, ctx)) {
+        fprintf(stderr, "Failed to make context current\n");
+        return 1;
+    }
+
+    /* GL 1.0 APIs are available as symbols in opengl32.dll. */
+    glEnable(GL_LIGHTING);
+    val = 0;
+    glGetIntegerv(GL_LIGHTING, &val);
+    if (!val) {
+        fprintf(stderr, "Enabling GL_LIGHTING didn't stick.\n");
+        pass = false;
+    }
+
+    if (epoxy_gl_version() >= 15 ||
+        epoxy_has_gl_extension("GL_ARB_vertex_buffer_object")) {
+        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 1234);
+
+        val = 0;
+        glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &val);
+        if (val != 1234) {
+            printf("GL_ELEMENT_ARRAY_BUFFER_BINDING didn't stick: %d\n", val);
+            pass = false;
+        }
+    }
+
+    wglMakeCurrent(NULL, NULL);
+    wglDeleteContext(ctx);
+
+    return !pass;
+}
+
+int
+main(int argc, char **argv)
+{
+    make_window_and_test(test_function);
+
+    /* UNREACHED */
+    return 1;
+}