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shader: run non-amplifying NGG programs in mesh workgroups

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Claxten
2026-10-07 19:19:02 +04:00
committed by nmzik
parent a8beac190f
commit 5297abb7ac
3 changed files with 85 additions and 36 deletions
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src/graphics/shader/recompiler/frontend/translate/Translate.cpp
+6 -1
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@@ -1137,7 +1137,8 @@ IR::Program TranslateProgram(const Decoder::Program& decoded, const CFG::Graph&
}
} else if (options.stage == ShaderType::Mesh) {
const auto& mesh = options.input_info.vertex->mesh;
EXIT_NOT_IMPLEMENTED(mesh.primitives_per_group == 0u || mesh.vertices_per_group > 64u ||
EXIT_NOT_IMPLEMENTED(mesh.primitives_per_group == 0u || mesh.vertices_per_group > 0x1ffu ||
mesh.primitives_per_group > 0x1ffu ||
total_threads > 15u * options.wave_size);
const auto u32 = [](uint32_t value) { return IR::U32(IR::Value(value)); };
const auto draw = [&](uint32_t index) {
@@ -1173,6 +1174,10 @@ IR::Program TranslateProgram(const Decoder::Program& decoded, const CFG::Graph&
const auto wave_info = entry_ir.BitwiseOr(entry_ir.ShiftLeftLogical(wave, u32(24)),
u32(((total_threads + options.wave_size - 1u) /
options.wave_size) << 28u));
entry_ir.SetScalarReg(
static_cast<IR::ScalarReg>(2),
entry_ir.BitwiseOr(entry_ir.ShiftLeftLogical(vertices, u32(12)),
entry_ir.ShiftLeftLogical(primitives, u32(22))));
entry_ir.SetScalarReg(
static_cast<IR::ScalarReg>(3),
entry_ir.BitwiseOr(wave_info, entry_ir.BitwiseOr(entry_ir.ShiftLeftLogical(