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nir: Don't replace the nir_shader when NIR_TEST_SERIALIZE=1

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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108957
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Jason Ekstrand
2019-06-04 17:50:22 -05:00
parent 9eba6d9a88
commit fe2fc30cb5
2 changed files with 16 additions and 10 deletions
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5
src/compiler/nir/nir.h
View File

@@ -2920,7 +2920,7 @@ nir_variable *nir_variable_clone(const nir_variable *c, nir_shader *shader);
void nir_shader_replace(nir_shader *dest, nir_shader *src);
nir_shader *nir_shader_serialize_deserialize(void *mem_ctx, nir_shader *s);
void nir_shader_serialize_deserialize(nir_shader *s);
#ifndef NDEBUG
void nir_validate_shader(nir_shader *shader, const char *when);
@@ -2995,8 +2995,7 @@ static inline bool should_print_nir(void) { return false; }
nir_shader_replace(nir, clone); \
} \
if (should_serialize_deserialize_nir()) { \
void *mem_ctx = ralloc_parent(nir); \
nir = nir_shader_serialize_deserialize(mem_ctx, nir); \
nir_shader_serialize_deserialize(nir); \
} \
} while (0)

21
src/compiler/nir/nir_serialize.c
View File

@@ -1202,21 +1202,28 @@ nir_deserialize(void *mem_ctx,
return ctx.nir;
}
nir_shader *
nir_shader_serialize_deserialize(void *mem_ctx, nir_shader *s)
void
nir_shader_serialize_deserialize(nir_shader *shader)
{
const struct nir_shader_compiler_options *options = s->options;
const struct nir_shader_compiler_options *options = shader->options;
struct blob writer;
blob_init(&writer);
nir_serialize(&writer, s);
ralloc_free(s);
nir_serialize(&writer, shader);
/* Delete all of dest's ralloc children but leave dest alone */
void *dead_ctx = ralloc_context(NULL);
ralloc_adopt(dead_ctx, shader);
ralloc_free(dead_ctx);
dead_ctx = ralloc_context(NULL);
struct blob_reader reader;
blob_reader_init(&reader, writer.data, writer.size);
nir_shader *ns = nir_deserialize(mem_ctx, options, &reader);
nir_shader *copy = nir_deserialize(dead_ctx, options, &reader);
blob_finish(&writer);
return ns;
nir_shader_replace(shader, copy);
ralloc_free(dead_ctx);
}