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-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp25
1 files changed, 21 insertions, 4 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
index b5c08d611..7e8f37563 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
@@ -13,9 +13,6 @@ namespace Shader::Backend::GLASM {
13namespace { 13namespace {
14void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32 offset, 14void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32 offset,
15 std::string_view size) { 15 std::string_view size) {
16 if (!binding.IsImmediate()) {
17 throw NotImplementedException("Indirect constant buffer loading");
18 }
19 const Register ret{ctx.reg_alloc.Define(inst)}; 16 const Register ret{ctx.reg_alloc.Define(inst)};
20 if (offset.type == Type::U32) { 17 if (offset.type == Type::U32) {
21 // Avoid reading arrays out of bounds, matching hardware's behavior 18 // Avoid reading arrays out of bounds, matching hardware's behavior
@@ -24,7 +21,27 @@ void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU
24 return; 21 return;
25 } 22 }
26 } 23 }
27 ctx.Add("LDC.{} {},c{}[{}];", size, ret, binding.U32(), offset); 24
25 if (binding.IsImmediate()) {
26 ctx.Add("LDC.{} {},c{}[{}];", size, ret, binding.U32(), offset);
27 return;
28 }
29
30 const ScalarU32 idx{ctx.reg_alloc.Consume(binding)};
31 for (u32 i = 0; i < Info::MAX_INDIRECT_CBUFS; i++) {
32 ctx.Add("SEQ.S.CC RC.x,{},{};"
33 "IF NE.x;"
34 "LDC.{} {},c{}[{}];",
35 idx, i, size, ret, i, offset);
36
37 if (i != Info::MAX_INDIRECT_CBUFS - 1) {
38 ctx.Add("ELSE;");
39 }
40 }
41
42 for (u32 i = 0; i < Info::MAX_INDIRECT_CBUFS; i++) {
43 ctx.Add("ENDIF;");
44 }
28} 45}
29 46
30bool IsInputArray(Stage stage) { 47bool IsInputArray(Stage stage) {