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Update tiny_gltf_v3.h

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
Syoyo Fujita
2026-03-21 05:35:53 +09:00
committed by GitHub
parent 3331c6cee2
commit 5d6984b9fd
1 changed files with 15 additions and 10 deletions
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25
tiny_gltf_v3.h
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@@ -2315,17 +2315,22 @@ static int tg3__parse_buffer(tg3__parse_ctx *ctx, const tg3__json &o,
/* Load buffer data */
if (ctx->is_binary && buf_idx == 0 && buf->uri.len == 0) {
/* GLB: first buffer uses binary chunk */
if (ctx->bin_data && ctx->bin_size >= byte_length) {
uint8_t *data = (uint8_t *)tg3__arena_alloc(ctx->arena, (size_t)byte_length);
if (!data) {
tg3__error_push(ctx->errors, TG3_SEVERITY_ERROR,
TG3_ERR_OUT_OF_MEMORY, "OOM for buffer data", NULL, -1);
return 0;
}
memcpy(data, ctx->bin_data, (size_t)byte_length);
buf->data.data = data;
buf->data.count = byte_length;
if (!ctx->bin_data || ctx->bin_size < byte_length) {
tg3__error_push(ctx->errors, TG3_SEVERITY_ERROR,
TG3_ERR_BUFFER_SIZE_MISMATCH,
"GLB BIN chunk missing or smaller than buffer.byteLength",
NULL, -1);
return 0;
}
uint8_t *data = (uint8_t *)tg3__arena_alloc(ctx->arena, (size_t)byte_length);
if (!data) {
tg3__error_push(ctx->errors, TG3_SEVERITY_ERROR,
TG3_ERR_OUT_OF_MEMORY, "OOM for buffer data", NULL, -1);
return 0;
}
memcpy(data, ctx->bin_data, (size_t)byte_length);
buf->data.data = data;
buf->data.count = byte_length;
} else if (buf->uri.len > 0) {
if (tg3_is_data_uri(buf->uri.data, buf->uri.len)) {
/* Data URI */