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authorGravatar bunnei2020-04-30 12:55:39 -0400
committerGravatar GitHub2020-04-30 12:55:39 -0400
commit6572660fde7dd873611f02cac1fc0593167b8093 (patch)
tree23fe8a29559e29894607b2b2275bb2bfdc3ea2a8
parentMerge pull request #3826 from MerryMage/update-dynarmic (diff)
parentRevert: shader_decode: Fix LD, LDG when track constant buffer. (diff)
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Merge pull request #3788 from FernandoS27/revert
Revert: shader_decode: Fix LD, LDG when track constant buffer.
-rw-r--r--src/video_core/shader/track.cpp20
1 files changed, 6 insertions, 14 deletions
diff --git a/src/video_core/shader/track.cpp b/src/video_core/shader/track.cpp
index 513e9bf49..eb97bfd41 100644
--- a/src/video_core/shader/track.cpp
+++ b/src/video_core/shader/track.cpp
@@ -153,21 +153,13 @@ std::tuple<Node, u32, u32> ShaderIR::TrackCbuf(Node tracked, const NodeBlock& co
153 if (gpr->GetIndex() == Tegra::Shader::Register::ZeroIndex) { 153 if (gpr->GetIndex() == Tegra::Shader::Register::ZeroIndex) {
154 return {}; 154 return {};
155 } 155 }
156 s64 current_cursor = cursor; 156 // Reduce the cursor in one to avoid infinite loops when the instruction sets the same
157 while (current_cursor > 0) { 157 // register that it uses as operand
158 // Reduce the cursor in one to avoid infinite loops when the instruction sets the same 158 const auto [source, new_cursor] = TrackRegister(gpr, code, cursor - 1);
159 // register that it uses as operand 159 if (!source) {
160 const auto [source, new_cursor] = TrackRegister(gpr, code, current_cursor - 1); 160 return {};
161 current_cursor = new_cursor;
162 if (!source) {
163 continue;
164 }
165 const auto [base_address, index, offset] = TrackCbuf(source, code, current_cursor);
166 if (base_address != nullptr) {
167 return {base_address, index, offset};
168 }
169 } 161 }
170 return {}; 162 return TrackCbuf(source, code, new_cursor);
171 } 163 }
172 if (const auto operation = std::get_if<OperationNode>(&*tracked)) { 164 if (const auto operation = std::get_if<OperationNode>(&*tracked)) {
173 for (std::size_t i = operation->GetOperandsCount(); i > 0; --i) { 165 for (std::size_t i = operation->GetOperandsCount(); i > 0; --i) {