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[PATCH 0/1] MR2716: po: Update Lithuanian translation.
by Aurimas Fišeras (＠AurimasF) 27 Apr '23

27 Apr '23

-- https://gitlab.winehq.org/wine/wine/-/merge_requests/2716

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[PATCH 0/4] MR181: vkd3d-shader: Normalise signatures and input/output registers to the Shader Model 6 pattern.
by Conor McCarthy (＠cmccarthy) 27 Apr '23

27 Apr '23

-- https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/181

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[PATCH v2 0/1] MR180: vkd3d-shader/hlsl: Partially implement static expressions evaluation.
by Nikolay Sivov (＠nsivov) 27 Apr '23

27 Apr '23

-- v2: vkd3d-shader/hlsl: Partially implement static expressions evaluation. https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/180

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[PATCH 0/1] MR182: vkd3d-shader/hlsl: Introduce hlsl_ir_index, part 2/2 (optional).
by Francisco Casas (＠fcasas) 27 Apr '23

27 Apr '23

This patch makes index expressions on resources hlsl_ir_index nodes instead of hlsl_ir_resource_load nodes, because it is not known if they will be used later as the lhs of an hlsl_ir_resource_store. For now, the only benefit is consistency. -- https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/182

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[PATCH v5 0/2] MR161: vkd3d-shader/hlsl: Implement D3DCOLORtoUBYTE4().
by Nikolay Sivov (＠nsivov) 27 Apr '23

27 Apr '23

-- v5: vkd3d-shader/hlsl: Implement D3DCOLORtoUBYTE4() function. vkd3d-shader/hlsl: Partially implement trunc(). https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/161

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[PATCH v4 0/1] MR2713: kernelbase: Add GetPackagesByPackageFamily stub.
by Etaash Mathamsetty (＠etaash.mathamsetty) 27 Apr '23

27 Apr '23

webview2 uses this function to locate media foundation. I also saw the UWP version of FH5 calling this function as well, interestingly. -- v4: kernelbase: Add GetPackagesByPackageFamily stub. https://gitlab.winehq.org/wine/wine/-/merge_requests/2713

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[PATCH v2 0/2] MR184: Draft: vkd3d-shader/hlsl: Add support for SampleGrad() method
by Ethan Lee (＠flibitijibibo) 27 Apr '23

27 Apr '23

~~This one's marked as a draft, as there seems to be a blocker with the method parameters.~~ ~~The first commit totally works, _if_ the ddx/ddy parameters are literals - they do _not_ work when passing a variable of any kind. The test comes from tests/d3d12.c, so I'm mostly just trying to migrate that to the HLSL test suite, but it currently hits an assert before we get to the resource load (which does eventually work) and I'm not sure what's causing it:~~ ``` vkd3d-compiler: libs/vkd3d-shader/tpf.c:3190: sm4_register_from_node: Assertion `instr->reg.allocated' failed. ``` ~~Seems like it's surprised when we try to load from the constant buffer maybe?~~ Fixed! -- v2: tests: Add tests for SampleGrad() method. vkd3d-shader/hlsl: Add support for SampleGrad() method https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/184

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[PATCH 0/2] MR184: Draft: vkd3d-shader/hlsl: Add support for SampleGrad() method
by Ethan Lee (＠flibitijibibo) 27 Apr '23

27 Apr '23

This one's marked as a draft, as there seems to be a blocker with the method parameters. The first commit totally works, _if_ the ddx/ddy parameters are literals - they do _not_ work when passing a variable of any kind. The test comes from tests/d3d12.c, so I'm mostly just trying to migrate that to the HLSL test suite, but it currently hits an assert before we get to the resource load (which does eventually work) and I'm not sure what's causing it: ``` vkd3d-compiler: libs/vkd3d-shader/tpf.c:3190: sm4_register_from_node: Assertion `instr->reg.allocated' failed. ``` Seems like it's surprised when we try to load from the constant buffer maybe? -- https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/184

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Re: [PATCH v2 0/4] MR174: Consolidate the TPF and d3dbc handling code.
by Zebediah Figura (＠zfigura) 27 Apr '23

27 Apr '23

> Among other things, this means that it's still not completely clear to me what you mean by "maximally CISC" or "minimally CISC" (and while I think I sort of get the general idea for the terms, that's not nearly enough to understand options (3) and (4)). Ah, I'm sorry. To put it into more concrete terms: HLSL is intentionally a quite simple IR. I would describe it as erring on the side of RISC in design. Everything operates on SSA values except for extern and resource loads; single instructions do pretty much maximally modular things; we avoid adding new expression types or instruction types if we can instead just lower them to simpler expressions immediately. By contrast, both sm1 and sm4 are more CISC. One instruction can do multiple arithmetic operations (abs, neg, sat) in addition to whatever else it's doing; instructions load directly from multiple types of registers (instead of always going through an SSA value, or even just always going through a temporary register). Part of being able to make statements like "HLSL IR is RISC" is the knowledge that it used to be less so (e.g. we used to have HLSL_IR_CONSTRUCTOR, which I assume you can guess the idea of) and also that we've considered making it less so. On the basis that one HLSL instruction corresponds to one smX instruction we've considered adding some of those features to HLSL IR (for example, making hlsl_src hold a union that includes not just SSA values but also immediate constants or something similar to hlsl_deref). We eventually decided against those on the grounds that it would make the IR more complex, and harder to reason about when doing optimization passes. > * In general, I think that code processing should be done in the form of IR passes as much as possible, rather than be embedded in the frontends or backends. This helps modularity and code sharing. I think Conor's patches go into this direction, which makes sense to me. Frontends and backends already care about serialization and deserialization and should not be loaded with excessive other duties. Yeah. Well, in a sense the question can be rephrased as: should v-s IR exist just as a common, "neutral" format, and then we'd have basically frontend- and/or backend-specific IR that we'd do passes over? E.g. in this case the backend IR would probably be adapted from struct sm4_instruction, which currently exists just to be a slightly more structured version of the byte code, but could grow to be more than that. It seems we probably won't be moving this way, but that's kind of what I was envisioning with that proposal. In that case struct vkd3d_shader_instruction wouldn't have any optimization passes done over it, the only raison d'être would be to help allow mixing any frontend with any backend. > * Currently my understanding is that `vkd3d_shader_instrucion` is basically modeled after SM4. When converting SM4 -> SPIR-V, the SM4 code is basically deserialized to `vkd3d_shader_instruction` and then rewritten to SPIR-V in a rather naive way. The deserialization step is very syntactical, to the point that the original SM4 code can be faithfully disassembled from the IR. I believe that vkd3d_shader_instruction is modeled after (or even "adapted directly from") struct wined3d_shader_instruction, which was designed to handle both sm1 and sm4. Fundamentally the formats are relatively similar, enough that it's possible to write a single disassembly routine, and a single GLSL shader backend, that mostly handles both, although there did need to be a lot of version-specific code in the latter case. > If we want `vkd3d_shader_instruction` to be flexible enough to support different frontends and backends, I think it must somehow be unchained from SM4. In particular, SM4 disassembling has to go through a different path. Right, and there's part of the rub. If we want it to be usable for things like disassembly (and assembly), we need v_s_i to be able to express everything that *any* frontend or backend can. This ends up kind of bloating the structure, which is one of the reasons I'm not sure we want that "maximally CISC" kind of IR. Like I mentioned, the less complicated an IR is, the easier it is to work with. On the other hand, the kind of passes we'd be potentially doing over a maximally CISC v_s_ir aren't the same as the work we do with HLSL IR. HLSL has to bridge the gap from text all the way down to byte code, but v_s_ir would potentially just be a bunch of peepholes. The fact that it doesn't have to deal with *types*, or well, doesn't have to deal with data structures, is already quite a benefit. So I'm not sure anymore that that per se is a concern. And of course when trading off one complex IR against multiple (ideally less complex) IRs, it takes some judgement to decide which is the best option. -- https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/174#note_31316

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[PATCH v3 0/1] MR2710: ntdll: Implement efficiency class reporting for intel hybrid CPUs.
by Torge Matthies (＠tmatthies) 27 Apr '23

27 Apr '23

Signed-off-by: Torge Matthies <tmatthies(a)codeweavers.com> -- v3: ntdll: Implement efficiency class reporting for intel hybrid CPUs. https://gitlab.winehq.org/wine/wine/-/merge_requests/2710

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