LibWeb: Ensure WebGL buffers don't mix between index and other data

The spec mandates that a buffer during its lifetime can only get bound to either an index buffer or any other type.
Author: https://github.com/cqundefine Commit: 7d6212ae71 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6744 Reviewed-by: https://github.com/gmta ✅ Reviewed-by: https://github.com/konradekk
2025-12-08 06:09:58 +00:00 · 2025-11-06 22:39:51 +01:00 · 2025-11-06 22:39:51 +01:00 · 7d6212ae71 · 2025-11-27 18:21:19 +00:00
commit 7d6212ae71
parent 85478c9215
4 changed files with 38 additions and 0 deletions
--- a/Libraries/LibWeb/WebGL/WebGLRenderingContextImpl.cpp
+++ b/Libraries/LibWeb/WebGL/WebGLRenderingContextImpl.cpp
@ -134,6 +134,11 @@ void WebGLRenderingContextImpl::bind_buffer(WebIDL::UnsignedLong target, GC::Roo
            return;
        }
        buffer_handle = handle_or_error.release_value();
+
+        if (!buffer->is_compatible_with(target)) {
+            set_error(GL_INVALID_OPERATION);
+            return;
+        }
    }

    if (m_context->webgl_version() == OpenGLContext::WebGLVersion::WebGL2) {