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d3d9: Add a LockRect test for DXTn formats.

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H. Verbeet 2007-03-15 23:27:58 +01:00 committed by Alexandre Julliard
parent fd64779fd0
commit 1283772a26
1 changed files with 57 additions and 1 deletions
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58
dlls/d3d9/tests/surface.c
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2006 Henri Verbeet
* Copyright 2006-2007 Henri Verbeet
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -172,6 +172,61 @@ static void test_surface_alignment(IDirect3DDevice9 *device_ptr)
}
}
/* Since the DXT formats are based on 4x4 blocks, locking works slightly
* different than with regular formats. This patch verifies we return the
* correct memory offsets */
static void test_lockrect_offset(IDirect3DDevice9 *device)
{
IDirect3DSurface9 *surface = 0;
const RECT rect = {60, 60, 68, 68};
D3DLOCKED_RECT locked_rect;
unsigned int expected_offset;
unsigned int offset;
unsigned int i;
BYTE *base;
HRESULT hr;
const struct {
D3DFORMAT fmt;
const char *name;
unsigned int block_width;
unsigned int block_height;
unsigned int block_size;
} dxt_formats[] = {
{D3DFMT_DXT1, "D3DFMT_DXT1", 4, 4, 8},
{D3DFMT_DXT2, "D3DFMT_DXT2", 4, 4, 16},
{D3DFMT_DXT3, "D3DFMT_DXT3", 4, 4, 16},
{D3DFMT_DXT4, "D3DFMT_DXT4", 4, 4, 16},
{D3DFMT_DXT5, "D3DFMT_DXT5", 4, 4, 16},
};
for (i = 0; i < (sizeof(dxt_formats) / sizeof(*dxt_formats)); ++i) {
hr = IDirect3DDevice9_CreateOffscreenPlainSurface(device, 128, 128, dxt_formats[i].fmt, D3DPOOL_SCRATCH, &surface, 0);
ok(SUCCEEDED(hr), "CreateOffscreenPlainSurface failed (%08x)\n", hr);
hr = IDirect3DSurface9_LockRect(surface, &locked_rect, NULL, 0);
ok(SUCCEEDED(hr), "LockRect failed (%08x)\n", hr);
base = locked_rect.pBits;
hr = IDirect3DSurface9_UnlockRect(surface);
ok(SUCCEEDED(hr), "UnlockRect failed (%08x)\n", hr);
hr = IDirect3DSurface9_LockRect(surface, &locked_rect, &rect, 0);
ok(SUCCEEDED(hr), "LockRect failed (%08x)\n", hr);
offset = (BYTE *)locked_rect.pBits - base;
expected_offset = (rect.top / dxt_formats[i].block_height) * locked_rect.Pitch
+ (rect.left / dxt_formats[i].block_width) * dxt_formats[i].block_size;
todo_wine ok(offset == expected_offset, "Got offset %u, expected offset %u for format %s\n", offset, expected_offset, dxt_formats[i].name);
hr = IDirect3DSurface9_UnlockRect(surface);
ok(SUCCEEDED(hr), "UnlockRect failed (%08x)\n", hr);
IDirect3DSurface9_Release(surface);
}
}
START_TEST(surface)
{
HMODULE d3d9_handle;
@ -189,4 +244,5 @@ START_TEST(surface)
test_surface_get_container(device_ptr);
test_surface_alignment(device_ptr);
test_lockrect_offset(device_ptr);
}