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shader: reflect masked hull control-point addresses

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Çağatay Güçlü
2026-10-28 22:19:09 +01:00
committed by nmzik
parent 41de2fd64e
commit 77458260f1
2 changed files with 17 additions and 6 deletions
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src/graphics/shader/recompiler/Tessellation.cpp
+7 -4
View File
@@ -156,11 +156,14 @@ void ReflectTessellationLayout(const Decoder::Program& program, bool local,
if (rhs.constant == 0u && third.constant == 8u) value = constant(0u);
}
break;
case Opcode::V_AND_B32:
if ((lhs.kind == Kind::PackedControlPoint && rhs == constant(0xffu)) ||
(rhs.kind == Kind::PackedControlPoint && lhs == constant(0xffu)))
value = constant(0u);
case Opcode::V_AND_B32: {
const auto mask = lhs.kind == Kind::PackedControlPoint ? rhs
: rhs.kind == Kind::PackedControlPoint ? lhs
: Address {};
if (mask == constant(0xffu)) value = constant(0u);
if (mask == constant(0x1f00u)) value = {Kind::Affine, 256u, 0u};
break;
}
case Opcode::V_ADD_NC_U32: value = add(lhs, rhs); break;
case Opcode::V_MUL_LO_U32: value = multiply(lhs, rhs); break;
case Opcode::V_MUL_U32_U24: value = multiply(low24(lhs), low24(rhs)); break;
tests/ShaderRecompilerComputeTests.cpp
+10 -2
View File
@@ -47230,8 +47230,15 @@ void CheckTessellationProgram(const char *name, u32 ls_stride, u32 hs_stride, u3
control.push_back(EncodeSopk(0x00, 106, control_points * hs_stride));
control.push_back(EncodeVop2(0x0b, 2, 249u, 1));
control.push_back(EncodeVop2Sdwa(106, 6, 0, 6, 0, 0, 0, 0, 0, 0, 0, 1));
AppendVop3(&control, 0x346, output_address, Vgpr(control_point), InlineU32(7),
Vgpr(2));
if (hs_stride == 256) {
// Keep the packed control-point field in place: bits 12:8 give a 256-byte stride.
control.push_back(EncodeVop2(0x1b, output_address, 255u, 1));
control.push_back(0x1f00u);
control.push_back(EncodeVop2(0x25, output_address, Vgpr(output_address), 2));
} else {
AppendVop3(&control, 0x346, output_address, Vgpr(control_point), InlineU32(7),
Vgpr(2));
}
control.push_back(EncodeVop2(0x0b, input_address, 255u, control_point));
control.push_back(ls_stride);
}
@@ -47513,6 +47520,7 @@ void CheckTessellationPrograms() {
CheckTessellationProgram("TessellationShiftedStride", 124, 128);
CheckTessellationProgram("TessellationMultipliedStride", 108, 112);
CheckTessellationProgram("TessellationQuadFactors", 36, 128, 2);
CheckTessellationProgram("TessellationMaskedControlPoint", 32, 256, 2);
CheckTessellationPatchConstants();
}