wined3d: Acquire a context for the front buffer in swapchain_gl_present().

Since context_acquire() doesn't take the resource location into account, it may consider the back-buffer to be offscreen, and return an already active context for a different swapchain. This fixes a regression introduced by commit 64d41b3d. Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wined3d: Acquire a context for the front buffer in swapchain_gl_present().
57d15862 · Henri Verbeet · Alexandre Julliard · 0b66af67 · 57d15862
Commit 57d15862 authored Jul 29, 2019 by Henri Verbeet Committed by Alexandre Julliard Jul 31, 2019
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swapchain.c dlls/wined3d/swapchain.c +1 -1

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--- a/dlls/wined3d/swapchain.c
+++ b/dlls/wined3d/swapchain.c
@@ -434,7 +434,7 @@ static void swapchain_gl_present(struct wined3d_swapchain *swapchain,
    struct wined3d_context *context;
    BOOL render_to_fbo;

-    context = context_acquire(swapchain->device, back_buffer, 0);
+    context = context_acquire(swapchain->device, swapchain->front_buffer, 0);
    context_gl = wined3d_context_gl(context);
    if (!context_gl->valid)
    {