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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_COMMAND_BUFFER_SERVICE_TEXTURE_BASE_H_
#define GPU_COMMAND_BUFFER_SERVICE_TEXTURE_BASE_H_
#include <stdint.h>
#include "gpu/command_buffer/service/gpu_command_buffer_service_export.h"
namespace gpu {
class GPU_COMMAND_BUFFER_SERVICE_EXPORT TextureBase {
public:
explicit TextureBase(unsigned int service_id);
virtual ~TextureBase();
// The service side OpenGL id of the texture.
unsigned int service_id() const { return service_id_; }
// Returns the target this texure was first bound to or 0 if it has not
// been bound. Once a texture is bound to a specific target it can never be
// bound to a different target.
unsigned int target() const { return target_; }
// An identifier for subclasses. Necessary for safe downcasting.
enum class Type { kNone, kValidated, kPassthrough };
virtual Type GetType() const;
protected:
// The id of the texture.
unsigned int service_id_;
// The target. 0 if unset, otherwise GL_TEXTURE_2D or GL_TEXTURE_CUBE_MAP.
// Or GL_TEXTURE_2D_ARRAY or GL_TEXTURE_3D (for GLES3).
// Or GL_TEXTURE_EXTERNAL_OES for YUV textures.
unsigned int target_;
void SetTarget(unsigned int target);
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_TEXTURE_BASE_H_
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