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authorNguyen Dac Nam <nam.kazt.91@gmail.com>2020-02-28 05:59:05 +0100
committerGitHub <noreply@github.com>2020-02-28 05:59:05 +0100
commit1c385362f57a2c6fb977aff20258fcb2deaa5c94 (patch)
tree0dd554fa0604d65f0a7e19231870ca743826978c
parentMerge pull request #3430 from bunnei/split-presenter (diff)
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-rw-r--r--src/video_core/shader/track.cpp16
1 files changed, 12 insertions, 4 deletions
diff --git a/src/video_core/shader/track.cpp b/src/video_core/shader/track.cpp
index face8c943..a113a5868 100644
--- a/src/video_core/shader/track.cpp
+++ b/src/video_core/shader/track.cpp
@@ -159,11 +159,19 @@ std::tuple<Node, u32, u32> ShaderIR::TrackCbuf(Node tracked, const NodeBlock& co
}
// Reduce the cursor in one to avoid infinite loops when the instruction sets the same
// register that it uses as operand
- const auto [source, new_cursor] = TrackRegister(gpr, code, cursor - 1);
- if (!source) {
- return {};
+ s64 current_cursor = cursor;
+ while (current_cursor > 0) {
+ const auto [source, new_cursor] = TrackRegister(gpr, code, current_cursor - 1);
+ current_cursor = new_cursor;
+ if (!source) {
+ continue;
+ }
+ const auto [base_address, index, offset] = TrackCbuf(source, code, current_cursor);
+ if (base_address != nullptr) {
+ return {base_address, index, offset};
+ }
}
- return TrackCbuf(source, code, new_cursor);
+ return {};
}
if (const auto operation = std::get_if<OperationNode>(&*tracked)) {
for (std::size_t i = operation->GetOperandsCount(); i > 0; --i) {