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glsl: allow NULL to be passed to encode_type_to_blob()

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This will be used by the following commit.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Timothy Arceri
2017-08-11 13:53:18 +10:00
parent 8985ad494b
commit 37eb67714e
1 changed files with 10 additions and 0 deletions
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10
src/compiler/glsl/shader_cache.cpp
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@@ -79,6 +79,11 @@ encode_type_to_blob(struct blob *blob, const glsl_type *type)
{ {
uint32_t encoding; uint32_t encoding;
if (!type) {
blob_write_uint32(blob, 0);
return;
}
switch (type->base_type) { switch (type->base_type) {
case GLSL_TYPE_UINT: case GLSL_TYPE_UINT:
case GLSL_TYPE_INT: case GLSL_TYPE_INT:
@@ -149,6 +154,11 @@ static const glsl_type *
decode_type_from_blob(struct blob_reader *blob) decode_type_from_blob(struct blob_reader *blob)
{ {
uint32_t u = blob_read_uint32(blob); uint32_t u = blob_read_uint32(blob);
if (u == 0) {
return NULL;
}
glsl_base_type base_type = (glsl_base_type) (u >> 24); glsl_base_type base_type = (glsl_base_type) (u >> 24);
switch (base_type) { switch (base_type) {