opengl32/tests: Make context current before calling wglCopyContext().

Otherwise, wglCopyContext() crashes on Windows with a NVIDIA GPU and fails on Windows with a AMD GPU. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51311 Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54103

opengl32/tests: Make context current before calling wglCopyContext().
7937596f · Zhiyi Zhang · Alexandre Julliard · 2fbe1f35 · 7937596f
Commit 7937596f authored Feb 02, 2023 by Zhiyi Zhang Committed by Alexandre Julliard Feb 02, 2023
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Showing with 11 additions and 1 deletion

opengl.c dlls/opengl32/tests/opengl.c +11 -1

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--- a/dlls/opengl32/tests/opengl.c
+++ b/dlls/opengl32/tests/opengl.c
@@ -1899,11 +1899,16 @@ static void test_wglChoosePixelFormatARB(HDC hdc)

 static void test_copy_context(HDC hdc)
 {
-    HGLRC ctx, ctx2;
+    HGLRC ctx, ctx2, old_ctx;
    BOOL ret;

+    old_ctx = wglGetCurrentContext();
+    ok(!!old_ctx, "wglGetCurrentContext failed, last error %#lx.\n", GetLastError());
+
    ctx = wglCreateContext(hdc);
    ok(!!ctx, "Failed to create GL context, last error %#lx.\n", GetLastError());
+    ret = wglMakeCurrent(hdc, ctx);
+    ok(ret, "wglMakeCurrent failed, last error %#lx.\n", GetLastError());
    ctx2 = wglCreateContext(hdc);
    ok(!!ctx2, "Failed to create GL context, last error %#lx.\n", GetLastError());

@@ -1911,10 +1916,15 @@ static void test_copy_context(HDC hdc)
    todo_wine
    ok(ret, "Failed to copy GL context, last error %#lx.\n", GetLastError());

+    ret = wglMakeCurrent(NULL, NULL);
+    ok(ret, "wglMakeCurrent failed, last error %#lx.\n", GetLastError());
    ret = wglDeleteContext(ctx2);
    ok(ret, "Failed to delete GL context, last error %#lx.\n", GetLastError());
    ret = wglDeleteContext(ctx);
    ok(ret, "Failed to delete GL context, last error %#lx.\n", GetLastError());
+
+    ret = wglMakeCurrent(hdc, old_ctx);
+    ok(ret, "wglMakeCurrent failed, last error %#lx.\n", GetLastError());
 }

 START_TEST(opengl)