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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/webgl/webgl_polygon_mode.h"
#include "third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.h"
namespace blink {
WebGLPolygonMode::WebGLPolygonMode(WebGLRenderingContextBase* context,
ExecutionContext*)
: WebGLExtension(context) {
context->ExtensionsUtil()->EnsureExtensionEnabled("GL_ANGLE_polygon_mode");
}
WebGLExtensionName WebGLPolygonMode::GetName() const {
return kWebGLPolygonModeName;
}
bool WebGLPolygonMode::Supported(WebGLRenderingContextBase* context) {
return context->ExtensionsUtil()->SupportsExtension("GL_ANGLE_polygon_mode");
}
const char* WebGLPolygonMode::ExtensionName() {
return "WEBGL_polygon_mode";
}
void WebGLPolygonMode::polygonModeWEBGL(GLenum face, GLenum mode) {
WebGLExtensionScopedContext scoped(this);
if (scoped.IsLost()) {
return;
}
EmitDeferredPortabilityWarning(scoped.Context());
scoped.Context()->ContextGL()->PolygonModeANGLE(face, mode);
}
void WebGLPolygonMode::EmitDeferredPortabilityWarning(
WebGLRenderingContextBase* context) {
if (!emitted_warning_) {
context->EmitGLWarning(
"this extension has very low support on mobile devices; do not rely on "
"it for rendering effects without implementing a fallback path",
"WEBGL_polygon_mode");
emitted_warning_ = true;
}
}
} // namespace blink
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