Mesa (master): st/mesa: init hash keys with memset(), not designated initializers
GitLab Mirror
gitlab-mirror at kemper.freedesktop.org
Fri Mar 8 17:28:26 UTC 2019
Module: Mesa
Branch: master
Commit: e5e2be3c737d6770b2973e2c9a84ebba9498487b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e5e2be3c737d6770b2973e2c9a84ebba9498487b
Author: Brian Paul <brianp at vmware.com>
Date: Fri Mar 8 10:09:15 2019 -0700
st/mesa: init hash keys with memset(), not designated initializers
Since the compiler may not zero-out padding in the object.
Add a couple comments about this to prevent misunderstandings in
the future.
Fixes: 67d96816ff5 ("st/mesa: move, clean-up shader variant key decls/inits")
Reviewed-by: Roland Scheidegger <sroland at vmware.com>
---
src/mesa/state_tracker/st_atom_shader.c | 9 +++++++--
src/mesa/state_tracker/st_program.c | 13 ++++++++++---
2 files changed, 17 insertions(+), 5 deletions(-)
diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c
index ac7a1a5b64b..a4475e28df7 100644
--- a/src/mesa/state_tracker/st_atom_shader.c
+++ b/src/mesa/state_tracker/st_atom_shader.c
@@ -112,7 +112,10 @@ st_update_fp( struct st_context *st )
!stfp->variants->key.bitmap) {
shader = stfp->variants->driver_shader;
} else {
- struct st_fp_variant_key key = {0};
+ struct st_fp_variant_key key;
+
+ /* use memset, not an initializer to be sure all memory is zeroed */
+ memset(&key, 0, sizeof(key));
key.st = st->has_shareable_shaders ? NULL : st;
@@ -168,7 +171,9 @@ st_update_vp( struct st_context *st )
stvp->variants->key.passthrough_edgeflags == st->vertdata_edgeflags) {
st->vp_variant = stvp->variants;
} else {
- struct st_vp_variant_key key = {0};
+ struct st_vp_variant_key key;
+
+ memset(&key, 0, sizeof(key));
key.st = st->has_shareable_shaders ? NULL : st;
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 5e43a2eaa45..7015e503d12 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -1772,7 +1772,10 @@ st_get_cp_variant(struct st_context *st,
{
struct pipe_context *pipe = st->pipe;
struct st_basic_variant *v;
- struct st_basic_variant_key key = {0};
+ struct st_basic_variant_key key;
+
+ /* use memset, not an initializer to be sure all memory is zeroed */
+ memset(&key, 0, sizeof(key));
key.st = st->has_shareable_shaders ? NULL : st;
@@ -1995,7 +1998,9 @@ st_precompile_shader_variant(struct st_context *st,
switch (prog->Target) {
case GL_VERTEX_PROGRAM_ARB: {
struct st_vertex_program *p = (struct st_vertex_program *)prog;
- struct st_vp_variant_key key = {0};
+ struct st_vp_variant_key key;
+
+ memset(&key, 0, sizeof(key));
key.st = st->has_shareable_shaders ? NULL : st;
st_get_vp_variant(st, p, &key);
@@ -2022,7 +2027,9 @@ st_precompile_shader_variant(struct st_context *st,
case GL_FRAGMENT_PROGRAM_ARB: {
struct st_fragment_program *p = (struct st_fragment_program *)prog;
- struct st_fp_variant_key key = {0};
+ struct st_fp_variant_key key;
+
+ memset(&key, 0, sizeof(key));
key.st = st->has_shareable_shaders ? NULL : st;
st_get_fp_variant(st, p, &key);
More information about the mesa-commit
mailing list