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From 34cd2bfe90fc659491ec3c89d9bf871615b23192 Mon Sep 17 00:00:00 2001
From: Gert Wollny <gw.fossdev@gmail.com>
Date: Fri, 9 Feb 2018 11:11:13 +0100
Subject: [PATCH 09/13] mesa/st/glsl_to_tgsi: move evaluation of read mask up
in the call hierarchy
In preparation of the array live range tracking the evaluation of the read
mask is moved out the register live range tracking to the enclosing call
of the generalized read access tracking.
Signed-off-by: Gert Wollny <gw.fossdev@gmail.com>
---
src/mesa/state_tracker/st_glsl_to_tgsi_temprename.cpp | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi_temprename.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi_temprename.cpp
index ae3ea17..4734a98 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi_temprename.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi_temprename.cpp
@@ -494,13 +494,8 @@ void temp_access::record_write(int line, prog_scope *scope, int writemask)
comp[3].record_write(line, scope);
}
-void temp_access::record_read(int line, prog_scope *scope, int swizzle)
+void temp_access::record_read(int line, prog_scope *scope, int readmask)
{
- int readmask = 0;
- for (int idx = 0; idx < 4; ++idx) {
- int swz = GET_SWZ(swizzle, idx);
- readmask |= (1 << swz) & 0xF;
- }
update_access_mask(readmask);
if (readmask & WRITEMASK_X)
@@ -926,8 +921,14 @@ access_recorder::~access_recorder()
void access_recorder::record_read(const st_src_reg& src, int line,
prog_scope *scope)
{
+ int readmask = 0;
+ for (int idx = 0; idx < 4; ++idx) {
+ int swz = GET_SWZ(src.swizzle, idx);
+ readmask |= (1 << swz) & 0xF;
+ }
+
if (src.file == PROGRAM_TEMPORARY)
- temp_acc[src.index].record_read(line, scope, src.swizzle);
+ temp_acc[src.index].record_read(line, scope, readmask);
if (src.reladdr)
record_read(*src.reladdr, line, scope);
--
2.7.4
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