aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa
diff options
context:
space:
mode:
authorDave Airlie <[email protected]>2017-02-08 01:20:10 +0000
committerDave Airlie <[email protected]>2017-02-08 02:12:31 +0000
commit30cff4f5f740f2d774ec663d5f6ae319f48737b8 (patch)
treead9206f644a021736ffe10529758febfc58ab518 /src/mesa
parent6d5d6dad20901fbffd65239937562b80c075e476 (diff)
mesa/uniform: fix strict aliasing issues with int64 code.
This fixes these like the double version does. Reviewed-by: Timothy Arceri <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/main/uniform_query.cpp38
1 files changed, 26 insertions, 12 deletions
diff --git a/src/mesa/main/uniform_query.cpp b/src/mesa/main/uniform_query.cpp
index 418cfc9a0df..f177e963337 100644
--- a/src/mesa/main/uniform_query.cpp
+++ b/src/mesa/main/uniform_query.cpp
@@ -506,20 +506,28 @@ _mesa_get_uniform(struct gl_context *ctx, GLuint program, GLint location,
case GLSL_TYPE_INT64:
case GLSL_TYPE_UINT64:
switch (uni->type->base_type) {
- case GLSL_TYPE_UINT:
- *(int64_t *)&dst[didx].u = (int64_t) src[sidx].u;
+ case GLSL_TYPE_UINT: {
+ uint64_t tmp = src[sidx].u;
+ memcpy(&dst[didx].u, &tmp, sizeof(tmp));
break;
+ }
case GLSL_TYPE_INT:
case GLSL_TYPE_SAMPLER:
- case GLSL_TYPE_IMAGE:
- *(int64_t *)&dst[didx].u = (int64_t) src[sidx].i;
+ case GLSL_TYPE_IMAGE: {
+ int64_t tmp = src[sidx].i;
+ memcpy(&dst[didx].u, &tmp, sizeof(tmp));
break;
- case GLSL_TYPE_BOOL:
- *(int64_t *)&dst[didx].u = src[sidx].i ? 1.0f : 0.0f;
+ }
+ case GLSL_TYPE_BOOL: {
+ int64_t tmp = src[sidx].i ? 1.0f : 0.0f;
+ memcpy(&dst[didx].u, &tmp, sizeof(tmp));
break;
- case GLSL_TYPE_FLOAT:
- *(int64_t *)&dst[didx].u = (int64_t) src[sidx].f;
+ }
+ case GLSL_TYPE_FLOAT: {
+ int64_t tmp = src[sidx].f;
+ memcpy(&dst[didx].u, &tmp, sizeof(tmp));
break;
+ }
default:
assert(!"Should not get here.");
break;
@@ -562,12 +570,18 @@ log_uniform(const void *values, enum glsl_base_type basicType,
case GLSL_TYPE_INT:
printf("%d ", v[i].i);
break;
- case GLSL_TYPE_UINT64:
- printf("%lu ", *(uint64_t* )&v[i * 2].u);
+ case GLSL_TYPE_UINT64: {
+ uint64_t tmp;
+ memcpy(&tmp, &v[i * 2].u, sizeof(tmp));
+ printf("%lu ", tmp);
break;
- case GLSL_TYPE_INT64:
- printf("%ld ", *(int64_t* )&v[i * 2].u);
+ }
+ case GLSL_TYPE_INT64: {
+ int64_t tmp;
+ memcpy(&tmp, &v[i * 2].u, sizeof(tmp));
+ printf("%ld ", tmp);
break;
+ }
case GLSL_TYPE_FLOAT:
printf("%g ", v[i].f);
break;