gecko-dev/dom/canvas/WebGLUniformLocation.h

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2.4 KiB
C++

/* -*- 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 "GLDefs.h"
#include "mozilla/WeakPtr.h"
#include "nsCycleCollectionParticipant.h" // NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS
#include "nsISupportsImpl.h" // NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING
#include "nsWrapperCache.h"
#include "WebGLObjectModel.h"
struct JSContext;
namespace mozilla {
class WebGLActiveInfo;
class WebGLContext;
class WebGLProgram;
namespace webgl {
struct LinkedProgramInfo;
} // namespace webgl
class WebGLUniformLocation final
: public nsWrapperCache
, public WebGLContextBoundObject
{
public:
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLUniformLocation)
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLUniformLocation)
virtual JSObject* WrapObject(JSContext* js, JS::Handle<JSObject*> givenProto) override;
WebGLContext* GetParentObject() const {
return mContext;
}
const WeakPtr<const webgl::LinkedProgramInfo> mLinkInfo;
const GLuint mLoc;
const WebGLActiveInfo* const mActiveInfo;
WebGLUniformLocation(WebGLContext* webgl, const webgl::LinkedProgramInfo* linkInfo,
GLuint loc, const WebGLActiveInfo* activeInfo);
bool ValidateForProgram(WebGLProgram* prog, WebGLContext* webgl,
const char* funcName) const;
bool ValidateSamplerSetter(GLint value, WebGLContext* webgl,
const char* funcName) const;
bool ValidateSizeAndType(uint8_t setterElemSize, GLenum setterType,
WebGLContext* webgl, const char* funcName) const;
bool ValidateArrayLength(uint8_t setterElemSize, size_t setterArraySize,
WebGLContext* webgl, const char* funcName) const;
JS::Value GetUniform(JSContext* js, WebGLContext* webgl) const;
// Needed for certain helper functions like ValidateObject.
// `WebGLUniformLocation`s can't be 'Deleted' in the WebGL sense.
bool IsDeleted() const { return false; }
protected:
~WebGLUniformLocation();
};
} // namespace mozilla
#endif // WEBGL_UNIFORM_LOCATION_H_