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d3dx9: Validate the size of a volume texture in D3DXGetImageInfoFromFile.

This commit is contained in:
Józef Kucia 2012-07-03 16:06:43 +02:00 committed by Alexandre Julliard
parent 563355d651
commit 0ad6af9caa
2 changed files with 7 additions and 4 deletions
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9
dlls/d3dx9_36/surface.c
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@ -317,8 +317,8 @@ static HRESULT calculate_dds_surface_size(const D3DXIMAGE_INFO *img_info,
static HRESULT get_image_info_from_dds(const void *buffer, UINT length, D3DXIMAGE_INFO *info)
{
UINT i;
UINT faces = 0;
UINT width, height;
UINT faces = 1;
UINT width, height, depth;
const struct dds_header *header = buffer;
UINT expected_length = 0;
@ -347,6 +347,7 @@ static HRESULT get_image_info_from_dds(const void *buffer, UINT length, D3DXIMAG
else if (header->caps2 & DDS_CAPS2_CUBEMAP)
{
DWORD face;
faces = 0;
for (face = DDS_CAPS2_CUBEMAP_POSITIVEX; face <= DDS_CAPS2_CUBEMAP_NEGATIVEZ; face <<= 1)
{
if (header->caps2 & face)
@ -356,20 +357,22 @@ static HRESULT get_image_info_from_dds(const void *buffer, UINT length, D3DXIMAG
}
else
{
faces = 1;
info->ResourceType = D3DRTYPE_TEXTURE;
}
/* calculate the expected length */
width = info->Width;
height = info->Height;
depth = info->Depth;
for (i = 0; i < info->MipLevels; i++)
{
UINT pitch, size = 0;
calculate_dds_surface_size(info, width, height, &pitch, &size);
size *= depth;
expected_length += size;
width = max(1, width / 2);
height = max(1, height / 2);
depth = max(1, depth / 2);
}
expected_length *= faces;

2
dlls/d3dx9_36/tests/surface.c
View File

@ -544,7 +544,7 @@ static void test_D3DXGetImageInfo(void)
ok(hr == D3DXERR_INVALIDDATA, "D3DXGetImageInfoFromFileInMemory returned %#x, expected %#x\n", hr, D3DXERR_INVALIDDATA);
hr = D3DXGetImageInfoFromFileInMemory(dds_volume_map, sizeof(dds_volume_map) - 1, &info);
todo_wine ok(hr == D3DXERR_INVALIDDATA, "D3DXGetImageInfoFromFileInMemory returned %#x, expected %#x\n", hr, D3DXERR_INVALIDDATA);
ok(hr == D3DXERR_INVALIDDATA, "D3DXGetImageInfoFromFileInMemory returned %#x, expected %#x\n", hr, D3DXERR_INVALIDDATA);
/* cleanup */