openharmony/third_party_vulkan-loader
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Detect Variant versions in given api versions

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Since it is possible that API versions given to the loader have a variant
component, the loader should know how to handle them. It shouldn't use a
variant other than 0, but that is up to the caller to handle.
This commit is contained in:
Charles Giessen 2022-01-26 15:40:03 -07:00 committed by Charles Giessen
parent b411580d64
commit ddd6b69de7
1 changed files with 12 additions and 2 deletions
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14
loader/loader.c
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@ -231,8 +231,9 @@ static size_t loader_platform_combine_path(char *dest, size_t len, ...) {
}
// Given string of three part form "maj.min.pat" convert to a vulkan version number.
// Also can understand four part form "variant.major.minor.patch" if provided.
static uint32_t loader_make_version(char *vers_str) {
uint32_t major = 0, minor = 0, patch = 0;
uint32_t variant = 0, major = 0, minor = 0, patch = 0;
char *vers_tok;
if (!vers_str) {
@ -248,11 +249,20 @@ static uint32_t loader_make_version(char *vers_str) {
vers_tok = strtok(NULL, ".\"\n\r");
if (NULL != vers_tok) {
patch = (uint16_t)atoi(vers_tok);
vers_tok = strtok(NULL, ".\"\n\r");
// check that we are using a 4 part version string
if (NULL != vers_tok) {
// if we are, find the correct major, minor, and patch values (basically skip variant)
variant = major;
major = minor;
minor = patch;
patch = (uint16_t)atoi(vers_tok);
}
}
}
}
return VK_MAKE_API_VERSION(0, major, minor, patch);
return VK_MAKE_API_VERSION(variant, major, minor, patch);
}
bool compare_vk_extension_properties(const VkExtensionProperties *op1, const VkExtensionProperties *op2) {