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glsl: turn runtime asserts of compile-time value into compile-time asserts

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Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
This commit is contained in:
Eric Engestrom 2019-09-24 16:58:31 +01:00 • committed by Eric Engestrom
parent ae8a7d5c8f
commit b3e3af0e37
1 changed files with 12 additions and 6 deletions
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18
src/compiler/glsl/ir_constant_expression.cpp
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@ -73,7 +73,8 @@ dot_d(ir_constant *op0, ir_constant *op1)
static float static float
bitcast_u2f(unsigned int u) bitcast_u2f(unsigned int u)
{ {
assert(sizeof(float) == sizeof(unsigned int)); static_assert(sizeof(float) == sizeof(unsigned int),
"float and unsigned int size mismatch");
float f; float f;
memcpy(&f, &u, sizeof(f)); memcpy(&f, &u, sizeof(f));
return f; return f;
@ -82,7 +83,8 @@ bitcast_u2f(unsigned int u)
static unsigned int static unsigned int
bitcast_f2u(float f) bitcast_f2u(float f)
{ {
assert(sizeof(float) == sizeof(unsigned int)); static_assert(sizeof(float) == sizeof(unsigned int),
"float and unsigned int size mismatch");
unsigned int u; unsigned int u;
memcpy(&u, &f, sizeof(f)); memcpy(&u, &f, sizeof(f));
return u; return u;
@ -91,7 +93,8 @@ bitcast_f2u(float f)
static double static double
bitcast_u642d(uint64_t u) bitcast_u642d(uint64_t u)
{ {
assert(sizeof(double) == sizeof(uint64_t)); static_assert(sizeof(double) == sizeof(uint64_t),
"double and uint64_t size mismatch");
double d; double d;
memcpy(&d, &u, sizeof(d)); memcpy(&d, &u, sizeof(d));
return d; return d;
@ -100,7 +103,8 @@ bitcast_u642d(uint64_t u)
static double static double
bitcast_i642d(int64_t i) bitcast_i642d(int64_t i)
{ {
assert(sizeof(double) == sizeof(int64_t)); static_assert(sizeof(double) == sizeof(int64_t),
"double and int64_t size mismatch");
double d; double d;
memcpy(&d, &i, sizeof(d)); memcpy(&d, &i, sizeof(d));
return d; return d;
@ -109,7 +113,8 @@ bitcast_i642d(int64_t i)
static uint64_t static uint64_t
bitcast_d2u64(double d) bitcast_d2u64(double d)
{ {
assert(sizeof(double) == sizeof(uint64_t)); static_assert(sizeof(double) == sizeof(uint64_t),
"double and uint64_t size mismatch");
uint64_t u; uint64_t u;
memcpy(&u, &d, sizeof(d)); memcpy(&u, &d, sizeof(d));
return u; return u;
@ -118,7 +123,8 @@ bitcast_d2u64(double d)
static int64_t static int64_t
bitcast_d2i64(double d) bitcast_d2i64(double d)
{ {
assert(sizeof(double) == sizeof(int64_t)); static_assert(sizeof(double) == sizeof(int64_t),
"double and int64_t size mismatch");
int64_t i; int64_t i;
memcpy(&i, &d, sizeof(d)); memcpy(&i, &d, sizeof(d));
return i; return i;