d3d9/tests: Add test for surface format conversion
tilbjornar at gmail.com
Tue Jul 6 15:38:08 CDT 2010
On Mon, Jul 5, 2010 at 21:37, Stefan Dösinger <stefandoesinger at gmx.at> wrote:
> The DirectX9 SDK "Blobs" sample needs it. It creates a R32F surface, stretches
> to a R16F and then uses it for drawing. Later on I realized that DirectX9
> cards(at least my GF7400) don't support R16F, so the sample uses the original
> R32F surface for rendering. DirectX10 cards support R16F however, it would be
> interesting to see how this sample reacts to that.
On a Windows XP machine with a ATI HD 4870 graphics card,
D3DERR_INVALIDCALL was returned so I assumed it was an invalid call...
On Mon, Jul 5, 2010 at 21:23, Henri Verbeet <hverbeet at gmail.com> wrote:
> You're supposed to call IDirect3D9_CheckDeviceFormatConversion() to
> determine which conversions are supported.
Currently, that method always returns OK. Seems pointless to use it,
but I've implemented it in my revised patch.
Looking at , should we test for all combinations of source/target formats?
The frameranger demo  triggers conversions from
D3DFMT_A16B16G16R16F to D3DFMT_A8R8G8B8, which is, according to the
Microsoft reference, not a valid conversion. I created a test for
this, and it successfully executes on Windows XP. What's with that?
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