From 4e34615872011f906bf653f61e7ac75d2066a06b Mon Sep 17 00:00:00 2001
From: Niklas Haas <git@haasn.xyz>
Date: Wed, 27 Sep 2017 17:08:06 +0200
Subject: vo_gpu: vulkan: refactor vk_cmdpool

1. No more static arrays (deps / callbacks / queues / cmds)
2. Allows safely recording multiple commands at the same time
3. Uses resources optimally by never over-allocating commands
---
 ta/ta_talloc.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'ta')

diff --git a/ta/ta_talloc.h b/ta/ta_talloc.h
index 693fd091e0..9ebedd94fd 100644
--- a/ta/ta_talloc.h
+++ b/ta/ta_talloc.h
@@ -124,6 +124,13 @@ char *ta_talloc_asprintf_append_buffer(char *s, const char *fmt, ...) TA_PRF(2,
         (idxvar)--;                                 \
     } while (0)
 
+// Returns whether or not there was any element to pop.
+#define MP_TARRAY_POP(p, idxvar, out)               \
+    ((idxvar) > 0                                   \
+        ? (*(out) = (p)[--(idxvar)], true)          \
+        : false                                     \
+    )
+
 #define talloc_struct(ctx, type, ...) \
     talloc_memdup(ctx, &(type) TA_EXPAND_ARGS(__VA_ARGS__), sizeof(type))
 
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