gecko-dev/dom/canvas/WebGLShader.h

102 строки
2.7 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 WEBGLSHADER_H_
#define WEBGLSHADER_H_
#include "WebGLObjectModel.h"
#include "WebGLUniformInfo.h"
#include "nsWrapperCache.h"
#include "angle/ShaderLang.h"
#include "mozilla/LinkedList.h"
#include "mozilla/MemoryReporting.h"
namespace mozilla {
struct WebGLMappedIdentifier {
nsCString original, mapped; // ASCII strings
WebGLMappedIdentifier(const nsACString& o, const nsACString& m) : original(o), mapped(m) {}
};
class WebGLShader MOZ_FINAL
: public nsWrapperCache
, public WebGLRefCountedObject<WebGLShader>
, public LinkedListElement<WebGLShader>
, public WebGLContextBoundObject
{
friend class WebGLContext;
friend class WebGLProgram;
public:
WebGLShader(WebGLContext *context, GLenum stype);
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
GLuint GLName() { return mGLName; }
GLenum ShaderType() { return mType; }
void SetSource(const nsAString& src) {
// XXX do some quick gzip here maybe -- getting this will be very rare
mSource.Assign(src);
}
const nsString& Source() const { return mSource; }
void SetNeedsTranslation() { mNeedsTranslation = true; }
bool NeedsTranslation() const { return mNeedsTranslation; }
void SetCompileStatus (bool status) {
mCompileStatus = status;
}
void Delete();
bool CompileStatus() const {
return mCompileStatus;
}
void SetTranslationSuccess();
void SetTranslationFailure(const nsCString& msg) {
mTranslationLog.Assign(msg);
}
const nsCString& TranslationLog() const { return mTranslationLog; }
const nsString& TranslatedSource() const { return mTranslatedSource; }
WebGLContext *GetParentObject() const {
return Context();
}
virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLShader)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLShader)
protected:
~WebGLShader() {
DeleteOnce();
}
GLuint mGLName;
GLenum mType;
nsString mSource;
nsString mTranslatedSource;
nsCString mTranslationLog; // The translation log should contain only ASCII characters
bool mNeedsTranslation;
nsTArray<WebGLMappedIdentifier> mAttributes;
nsTArray<WebGLMappedIdentifier> mUniforms;
nsTArray<WebGLUniformInfo> mUniformInfos;
int mAttribMaxNameLength;
bool mCompileStatus;
};
} // namespace mozilla
#endif