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dxgi/tests: Windows 10 properly makes buffers read only. 

Signed-off-by: Stefan Dösinger <stefan@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Stefan Dösinger 2015-11-24 22:18:46 +01:00 committed by Alexandre Julliard
parent a971d4f2f6
commit 8492b19395
1 changed files with 13 additions and 9 deletions
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22
dlls/dxgi/tests/device.c
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@ -1051,7 +1051,7 @@ static void test_swapchain_parameters(void)
HRESULT hr;
unsigned int i, j;
ULONG refcount;
DXGI_USAGE usage, expected_usage;
DXGI_USAGE usage, expected_usage, broken_usage;
HWND window;
static const struct
{
@ -1191,13 +1191,14 @@ static void test_swapchain_parameters(void)
hr = IDXGISwapChain_GetBuffer(swapchain, j, &IID_IDXGIResource, (void **)&resource);
ok(SUCCEEDED(hr), "GetBuffer(%u) failed, hr %#x, test %u.\n", hr, i, j);
expected_usage = DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_BACK_BUFFER;
/* Buffers > 0 are supposed to be read only. This is the case except that in
* fullscreen mode the last backbuffer (BufferCount - 1) is writeable. This
* is not the case if an unsupported refresh rate is passed for some reason,
* probably because the invalid refresh rate triggers a kinda-sorta windowed
* mode.
* fullscreen mode on Windows <= 8 the last backbuffer (BufferCount - 1) is
* writeable. This is not the case if an unsupported refresh rate is passed
* for some reason, probably because the invalid refresh rate triggers a
* kinda-sorta windowed mode.
*
* On Windows 10 all buffers > 0 are read-only. Mark the earlier behavior
* broken.
*
* This last buffer acts as a shadow frontbuffer. Writing to it doesn't show
* the draw on the screen right away (Aero on or off doesn't matter), but
@ -1206,12 +1207,15 @@ static void test_swapchain_parameters(void)
* Note that if the application doesn't have focused creating a fullscreen
* swapchain returns DXGI_STATUS_OCCLUDED and we get a windowed swapchain,
* so use the Windowed property of the swapchain that was actually created. */
expected_usage = DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_BACK_BUFFER | DXGI_USAGE_READ_ONLY;
broken_usage = DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_BACK_BUFFER;
if (desc.Windowed || j < tests[i].highest_accessible_buffer)
expected_usage |= DXGI_USAGE_READ_ONLY;
broken_usage |= DXGI_USAGE_READ_ONLY;
hr = IDXGIResource_GetUsage(resource, &usage);
ok(SUCCEEDED(hr), "Failed to get resource usage, hr %#x, test %u, buffer %u.\n", hr, i, j);
ok(usage == expected_usage, "Got usage %x, expected %x, test %u, buffer %u.\n",
ok(usage == expected_usage || broken(usage == broken_usage), "Got usage %x, expected %x, test %u, buffer %u.\n",
usage, expected_usage, i, j);
IDXGIResource_Release(resource);