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authorReinUsesLisp <reinuseslisp@airmail.cc>2018-12-21 02:42:47 +0100
committerReinUsesLisp <reinuseslisp@airmail.cc>2019-01-15 21:54:49 +0100
commit864e8f55cf48bc6c8ad95c35cbe9217449936662 (patch)
tree7d1c58e41f74a2b77b57348e5088f88e422a2aab
parentshader_ir: Add register getter (diff)
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-rw-r--r--src/video_core/shader/shader_ir.cpp21
-rw-r--r--src/video_core/shader/shader_ir.h4
2 files changed, 25 insertions, 0 deletions
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp
index ff4e462f2..3bc9f72f5 100644
--- a/src/video_core/shader/shader_ir.cpp
+++ b/src/video_core/shader/shader_ir.cpp
@@ -54,6 +54,27 @@ Node ShaderIR::GetImmediate32(Instruction instr) {
return Immediate(instr.alu.GetImm20_32());
}
+Node ShaderIR::GetConstBuffer(u64 index_, u64 offset_) {
+ const auto index = static_cast<u32>(index_);
+ const auto offset = static_cast<u32>(offset_);
+
+ const auto [entry, is_new] = used_cbufs.try_emplace(index);
+ entry->second.MarkAsUsed(offset);
+
+ return StoreNode(CbufNode(index, Immediate(offset)));
+}
+
+Node ShaderIR::GetConstBufferIndirect(u64 index_, u64 offset_, Node node) {
+ const auto index = static_cast<u32>(index_);
+ const auto offset = static_cast<u32>(offset_);
+
+ const auto [entry, is_new] = used_cbufs.try_emplace(index);
+ entry->second.MarkAsUsedIndirect();
+
+ const Node final_offset = Operation(OperationCode::UAdd, NO_PRECISE, node, Immediate(offset));
+ return StoreNode(CbufNode(index, final_offset));
+}
+
Node ShaderIR::GetPredicate(u64 pred_, bool negated) {
const auto pred = static_cast<Pred>(pred_);
if (pred != Pred::UnusedIndex && pred != Pred::NeverExecute) {
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index 30b75c3ed..4e786a344 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -616,6 +616,10 @@ private:
Node GetImmediate19(Tegra::Shader::Instruction instr);
/// Generates a node representing a 32-bit immediate value
Node GetImmediate32(Tegra::Shader::Instruction instr);
+ /// Generates a node representing a constant buffer
+ Node GetConstBuffer(u64 index, u64 offset);
+ /// Generates a node representing a constant buffer with a variadic offset
+ Node GetConstBufferIndirect(u64 index, u64 offset, Node node);
/// Generates a node for a passed predicate. It can be optionally negated
Node GetPredicate(u64 pred, bool negated = false);
/// Generates a predicate node for an immediate true or false value