r600/sfn: Be able to track expected AR uses

Because AR emission and AR use must be in the same CF we have to
be able to track whether all AR ready are emitted.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21347>

diff --git a/src/gallium/drivers/r600/sfn/sfn_instr.h b/src/gallium/drivers/r600/sfn/sfn_instr.h
index 4f4d068..23b4fbe 100644 (file)
--- a/src/gallium/drivers/r600/sfn/sfn_instr.h
+++ b/src/gallium/drivers/r600/sfn/sfn_instr.h
@@ -222,6 +222,13 @@ public:
 
    int inc_rat_emitted() { return ++m_emitted_rat_instr; }
 
+   void set_expected_ar_uses(uint32_t n) {m_expected_ar_uses = n;}
+   auto expected_ar_uses() const {return m_expected_ar_uses;}
+   void dec_expected_ar_uses() {
+      assert(m_expected_ar_uses > 0);
+      --m_expected_ar_uses;
+   }
+
    static void set_chipclass(r600_chip_class chip_class);
 
 private:
@@ -247,6 +254,7 @@ private:
    AluInstr *m_lds_group_start{nullptr};
    static unsigned s_max_kcache_banks;
    int m_emitted_rat_instr{0};
+   uint32_t m_expected_ar_uses{0};
 };
 
 class InstrWithResource : public Instr {