[Mesa-dev] Direct3D 9 state tracker

[Stefan Dösinger]

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Am 2013-07-22 15:39, schrieb Jose Fonseca:
> It seems to me that this would be more useful if the state tracker
> targeted not the D3D9 API, but the WDDM D3D9 DDI [2].  Targeting
> the DDI would allow, e.g., to share more code with rest of WINE
> (the API->DDI runtime layer);
Fwiw, Wine does not use Microsoft's DDI in any way. We use our own
interface to abstract between d3d versions, which is a mix of d3d9 and
d3d10, with some ddraw-specific extras.

Our main d3d module (wined3d.dll) has some internal abstraction layers
for shader translation and fixed function pipeline implementations.
Right now we have implementations based on GLSL, ARB_program,
ATI_fragment_shader, NV_texture_shader and ARB_texture_env_combine, as
well as code to handle OpenGL fixed function vertex processing. Adding
a gallium-based backend should be a "relatively" easy challenge. The
bigger problem would be resource creation and loading (buffers,
textures) because there's no abstraction for that yet.

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