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wined3d: Discard the backbuffer in swapchain_gl_present() with the "discard" swap effect. 

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Stefan Dösinger 2016-05-17 14:01:56 +02:00 committed by Alexandre Julliard
parent 3a72716556
commit aa475ce23f
1 changed files with 3 additions and 0 deletions
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3
dlls/wined3d/swapchain.c
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@ -606,6 +606,9 @@ static void swapchain_gl_present(struct wined3d_swapchain *swapchain,
* The FLIP swap effect is not implemented yet. We could mark WINED3D_LOCATION_DRAWABLE
* up to date and hope WGL flipped front and back buffers and read this data into
* the FBO. Don't bother about this for now. */
if (swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_DISCARD)
wined3d_texture_validate_location(swapchain->back_buffers[swapchain->desc.backbuffer_count - 1],
0, WINED3D_LOCATION_DISCARDED);
if (fb->depth_stencil)
{