diff options
| author | Eric Anholt <[email protected]> | 2014-09-17 13:10:51 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2014-09-17 14:21:24 -0700 |
| commit | b0256fb75f40a4e428366fcc69ebee47970fd01d (patch) | |
| tree | 5b4544dbfdaf07894b9bed21a48893c8ebbd289f /src/gallium | |
| parent | b44a7a32232b509c29a40316dce98780e034e85a (diff) | |
vc4: Initialize the various qreg arrays when allocating them.
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.
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index a662dc2ce54..539fede50a1 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -73,12 +73,16 @@ resize_qreg_array(struct vc4_compile *c, if (*size >= decl_size) return; + uint32_t old_size = *size; *size = MAX2(*size * 2, decl_size); *regs = reralloc(c, *regs, struct qreg, *size); if (!*regs) { fprintf(stderr, "Malloc failure\n"); abort(); } + + for (uint32_t i = old_size; i < *size; i++) + (*regs)[i] = c->undef; } static struct qreg |