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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_CONTEXT_FACTORY_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_CONTEXT_FACTORY_H_
#include <memory>
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/core/html/canvas/canvas_rendering_context.h"
#include "third_party/blink/renderer/core/html/canvas/canvas_rendering_context_factory.h"
namespace blink {
class CanvasContextCreationAttributesCore;
// Used to tell CanvasRenderingContext how to create a WebGL 1/2 context in
// <canvas>.getContext(). Handles set up of the WebGL context and error
// handling to generate a WebGLContextEvent on error.
class WebGLContextFactory : public CanvasRenderingContextFactory {
public:
static std::unique_ptr<WebGLContextFactory> MakeWebGL1();
static std::unique_ptr<WebGLContextFactory> MakeWebGL2();
explicit WebGLContextFactory(bool is_webgl2);
~WebGLContextFactory() override = default;
WebGLContextFactory(const WebGLContextFactory&) = delete;
WebGLContextFactory& operator=(const WebGLContextFactory&) = delete;
CanvasRenderingContext* Create(
CanvasRenderingContextHost*,
const CanvasContextCreationAttributesCore&) override;
CanvasRenderingContext::CanvasRenderingAPI GetRenderingAPI() const override;
void OnError(HTMLCanvasElement*, const String& error) override;
private:
CanvasRenderingContext* CreateInternal(
CanvasRenderingContextHost*,
const CanvasContextCreationAttributesCore&);
CanvasRenderingContext* CreateInternalWebGPU(
CanvasRenderingContextHost*,
const CanvasContextCreationAttributesCore&);
const char* GetContextName() const;
Platform::ContextType GetContextType() const;
bool is_webgl2_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_CONTEXT_FACTORY_H_
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