shader_recompiler: Implement render target swizzles when no format is available (#739)

* shader_recompiler: Use null image when shader is compiled with unbound sharp

* video_core: Refactor and render target swizzles

* liverpool_to_vk: Add missing swap format from RDR

* video_core: Refactor shader recompiler interface

* Makes it much easier to pass runtime information to the recompiler and have it treated as part of the shader key. Also pulls out most runtime state from Info struct

* shader_recompiler: Avoid some asserts
This commit is contained in:
TheTurtle 2024-09-03 14:04:30 +03:00 committed by GitHub
parent 3f8a8d3a24
commit f087f43736
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GPG key ID: B5690EEEBB952194
30 changed files with 704 additions and 560 deletions

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@ -2,6 +2,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include "shader_recompiler/frontend/translate/translate.h"
#include "shader_recompiler/runtime_info.h"
namespace Shader::Gcn {
@ -19,12 +20,28 @@ void Translator::EmitExport(const GcnInst& inst) {
IR::VectorReg(inst.src[3].code),
};
const auto swizzle = [&](u32 comp) {
if (!IR::IsMrt(attrib)) {
return comp;
}
const u32 index = u32(attrib) - u32(IR::Attribute::RenderTarget0);
switch (runtime_info.fs_info.mrt_swizzles[index]) {
case MrtSwizzle::Identity:
return comp;
case MrtSwizzle::Alt:
static constexpr std::array<u32, 4> AltSwizzle = {2, 1, 0, 3};
return AltSwizzle[comp];
default:
UNREACHABLE();
}
};
const auto unpack = [&](u32 idx) {
const IR::Value value = ir.UnpackHalf2x16(ir.GetVectorReg(vsrc[idx]));
const IR::F32 r = IR::F32{ir.CompositeExtract(value, 0)};
const IR::F32 g = IR::F32{ir.CompositeExtract(value, 1)};
ir.SetAttribute(attrib, r, idx * 2);
ir.SetAttribute(attrib, g, idx * 2 + 1);
ir.SetAttribute(attrib, r, swizzle(idx * 2));
ir.SetAttribute(attrib, g, swizzle(idx * 2 + 1));
};
// Components are float16 packed into a VGPR
@ -45,7 +62,7 @@ void Translator::EmitExport(const GcnInst& inst) {
continue;
}
const IR::F32 comp = ir.GetVectorReg<IR::F32>(vsrc[i]);
ir.SetAttribute(attrib, comp, i);
ir.SetAttribute(attrib, comp, swizzle(i));
}
}
}