Mesa (master): nir: pack nir_variable::data::stream
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Mon Nov 4 23:17:58 UTC 2019
Module: Mesa
Branch: master
Commit: 08dc541b662c39ebae80935d4845b2f40e92d028
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=08dc541b662c39ebae80935d4845b2f40e92d028
Author: Marek Olšák <marek.olsak at amd.com>
Date: Fri Oct 25 14:55:06 2019 -0400
nir: pack nir_variable::data::stream
Reviewed-by: Connor Abbott <cwabbott0 at gmail.com>
---
src/compiler/glsl/glsl_to_nir.cpp | 2 ++
src/compiler/nir/nir.h | 7 ++++---
src/gallium/drivers/radeonsi/si_shader_nir.c | 4 ++--
3 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/src/compiler/glsl/glsl_to_nir.cpp b/src/compiler/glsl/glsl_to_nir.cpp
index c9bba912622..9b9da7f8187 100644
--- a/src/compiler/glsl/glsl_to_nir.cpp
+++ b/src/compiler/glsl/glsl_to_nir.cpp
@@ -445,6 +445,8 @@ nir_visitor::visit(ir_variable *ir)
var->data.invariant = ir->data.invariant;
var->data.location = ir->data.location;
var->data.stream = ir->data.stream;
+ if (ir->data.stream & (1u << 31))
+ var->data.stream |= NIR_STREAM_PACKED;
var->data.compact = false;
switch(ir->data.mode) {
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 00e5028d27b..e1f0fdd707c 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -60,6 +60,7 @@ extern "C" {
#define NIR_TRUE (~0u)
#define NIR_MAX_VEC_COMPONENTS 4
#define NIR_MAX_MATRIX_COLUMNS 4
+#define NIR_STREAM_PACKED (1 << 8)
typedef uint8_t nir_component_mask_t;
/** Defines a cast function
@@ -450,10 +451,10 @@ typedef struct nir_variable {
/**
* Vertex stream output identifier.
*
- * For packed outputs, bit 31 is set and bits [2*i+1,2*i] indicate the
- * stream of the i-th component.
+ * For packed outputs, NIR_STREAM_PACKED is set and bits [2*i+1,2*i]
+ * indicate the stream of the i-th component.
*/
- unsigned stream;
+ unsigned stream:9;
/**
* output index for dual source blending.
diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index 4df625ed274..463ec0b5421 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -466,8 +466,8 @@ static void scan_output_slot(const nir_variable *var,
ubyte usagemask = ((1 << num_components) - 1) << component;
unsigned gs_out_streams;
- if (var->data.stream & (1u << 31)) {
- gs_out_streams = var->data.stream & ~(1u << 31);
+ if (var->data.stream & NIR_STREAM_PACKED) {
+ gs_out_streams = var->data.stream & ~NIR_STREAM_PACKED;
} else {
assert(var->data.stream < 4);
gs_out_streams = 0;
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