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iris: fix crash when binding optional shader for the first time

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This commit is contained in:
Kenneth Graunke 2018-08-23 21:21:04 -07:00
parent 6331b754df
commit 47d3019c4a
1 changed files with 3 additions and 1 deletions
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4
src/gallium/drivers/iris/iris_program_cache.c
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@ -172,7 +172,9 @@ iris_bind_cached_shader(struct iris_context *ice,
if (!shader)
return false;
if (memcmp(shader, ice->shaders.prog[cache_id], sizeof(*shader)) != 0) {
// XXX: why memcmp?
if (!ice->shaders.prog[cache_id] ||
memcmp(shader, ice->shaders.prog[cache_id], sizeof(*shader)) != 0) {
ice->shaders.prog[cache_id] = shader;
ice->state.dirty |= dirty_flag_for_cache(cache_id);
}