fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-07 04:58:05 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

vc4: Initialize the various qreg arrays when allocating them.

Browse source 
This is particularly important for outputs, where we try to MOV the whole
vec4 to the VPM, even if only 1-3 components had been set up.  It might
also be important for temporaries, if the shader reads components before
writing them.
This commit is contained in:
Eric Anholt 2014-09-17 13:10:51 -07:00
parent b44a7a3223
commit b0256fb75f
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/gallium/drivers/vc4/vc4_program.c
View file

@ -73,12 +73,16 @@ resize_qreg_array(struct vc4_compile *c,
if (*size >= decl_size) if (*size >= decl_size)
return; return;
uint32_t old_size = *size;
*size = MAX2(*size * 2, decl_size); *size = MAX2(*size * 2, decl_size);
*regs = reralloc(c, *regs, struct qreg, *size); *regs = reralloc(c, *regs, struct qreg, *size);
if (!*regs) { if (!*regs) {
fprintf(stderr, "Malloc failure\n"); fprintf(stderr, "Malloc failure\n");
abort(); abort();
} }
for (uint32_t i = old_size; i < *size; i++)
(*regs)[i] = c->undef;
} }
static struct qreg static struct qreg