summaryrefslogtreecommitdiffstats
path: root/src/shader_recompiler/frontend/maxwell/translate/impl/output_geometry.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/output_geometry.cpp')
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/output_geometry.cpp45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/output_geometry.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/output_geometry.cpp
new file mode 100644
index 000000000..01cfad88d
--- /dev/null
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/output_geometry.cpp
@@ -0,0 +1,45 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
+
+namespace Shader::Maxwell {
+namespace {
+void OUT(TranslatorVisitor& v, u64 insn, IR::U32 stream_index) {
+ union {
+ u64 raw;
+ BitField<0, 8, IR::Reg> dest_reg;
+ BitField<8, 8, IR::Reg> output_reg; // Not needed on host
+ BitField<39, 1, u64> emit;
+ BitField<40, 1, u64> cut;
+ } const out{insn};
+
+ stream_index = v.ir.BitwiseAnd(stream_index, v.ir.Imm32(0b11));
+
+ if (out.emit != 0) {
+ v.ir.EmitVertex(stream_index);
+ }
+ if (out.cut != 0) {
+ v.ir.EndPrimitive(stream_index);
+ }
+ // Host doesn't need the output register, but we can write to it to avoid undefined reads
+ v.X(out.dest_reg, v.ir.Imm32(0));
+}
+} // Anonymous namespace
+
+void TranslatorVisitor::OUT_reg(u64 insn) {
+ OUT(*this, insn, GetReg20(insn));
+}
+
+void TranslatorVisitor::OUT_cbuf(u64 insn) {
+ OUT(*this, insn, GetCbuf(insn));
+}
+
+void TranslatorVisitor::OUT_imm(u64 insn) {
+ OUT(*this, insn, GetImm20(insn));
+}
+
+} // namespace Shader::Maxwell