gecko-dev/dom/canvas/WebGLUniformLocation.h
2016-11-22 23:59:24 -08:00

74 lines
2.2 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;
struct UniformInfo;
} // 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;
webgl::UniformInfo* const mInfo;
const GLuint mLoc;
const size_t mArrayIndex;
//////
WebGLUniformLocation(WebGLContext* webgl, const webgl::LinkedProgramInfo* linkInfo,
webgl::UniformInfo* info, GLuint loc, size_t arrayIndex);
bool ValidateForProgram(const WebGLProgram* prog, const char* funcName) const;
bool ValidateSizeAndType(uint8_t setterElemSize, GLenum setterType,
const char* funcName) const;
bool ValidateArrayLength(uint8_t setterElemSize, size_t setterArraySize,
const char* funcName) const;
JS::Value GetUniform(JSContext* js) 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_