dom/canvas/WebGLUniformLocation.h
author Sotaro Ikeda <sikeda@mozilla.com>
Tue, 03 Mar 2015 08:51:05 -0800
changeset 250242 610aae9b5e36906b303dde44af508a1c30d1675c
parent 249180 a7f64e53893ef5d4bed1996acce1e0d459b8df8d
child 250581 b5c6dd9423cf8830adf266c672ef550e83dc43f6
permissions -rw-r--r--
Bug 1137251 - Disable RemoveTextureFromCompositableTracker except gonk. r=nical, a=lizzard

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef WEBGL_UNIFORM_LOCATION_H_
#define WEBGL_UNIFORM_LOCATION_H_

#include "WebGLObjectModel.h"
#include "WebGLUniformInfo.h"

namespace mozilla {

class WebGLProgram;

class WebGLUniformLocation MOZ_FINAL
    : public WebGLContextBoundObject
{
public:
    WebGLUniformLocation(WebGLContext* context, WebGLProgram* program,
                         GLint location, const WebGLUniformInfo& info);

    // needed for certain helper functions like ValidateObject.
    // WebGLUniformLocation's can't be 'Deleted' in the WebGL sense.
    bool IsDeleted() const { return false; }

    const WebGLUniformInfo& Info() const { return mInfo; }

    WebGLProgram* Program() const { return mProgram; }
    GLint Location() const { return mLocation; }
    uint32_t ProgramGeneration() const { return mProgramGeneration; }
    int ElementSize() const { return mElementSize; }

    JSObject* WrapObject(JSContext* cx);

    NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLUniformLocation)
    NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(WebGLUniformLocation)

protected:
    ~WebGLUniformLocation() { }

    // nsRefPtr, not WebGLRefPtr, so that we don't prevent the program from being explicitly deleted.
    // we just want to avoid having a dangling pointer.
    nsRefPtr<WebGLProgram> mProgram;

    uint32_t mProgramGeneration;
    GLint mLocation;
    WebGLUniformInfo mInfo;
    int mElementSize;
    friend class WebGLProgram;
};

} // namespace mozilla

#endif // WEBGL_UNIFORM_LOCATION_H_