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

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7937596f8fb2a7aef3b61e93ee0c1e3f0062e80c
URL:    https://gitlab.winehq.org/wine/wine/-/commit/7937596f8fb2a7aef3b61e93ee0c1e3...

Author: Zhiyi Zhang 
Date:   Thu Feb  2 10:34:17 2023 +0800

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

---

dlls/opengl32/tests/opengl.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/dlls/opengl32/tests/opengl.c b/dlls/opengl32/tests/opengl.c
index 42c2626a2c2..6979e00792e 100644
--- 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)