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/* -*- 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_SHADER_H_
#define WEBGL_SHADER_H_
#include <map>
#include <string>
#include <vector>
#include "GLDefs.h"
#include "mozilla/LinkedList.h"
#include "mozilla/MemoryReporting.h"
#include "nsString.h"
#include "nsWrapperCache.h"
#include "WebGLObjectModel.h"
namespace mozilla {
namespace webgl {
class ShaderValidator;
} // namespace webgl
class WebGLShader final
: public nsWrapperCache
, public WebGLRefCountedObject<WebGLShader>
, public LinkedListElement<WebGLShader>
{
friend class WebGLContext;
friend class WebGLProgram;
public:
WebGLShader(WebGLContext* webgl, GLenum type);
protected:
~WebGLShader();
public:
// GL funcs
void CompileShader();
JS::Value GetShaderParameter(GLenum pname) const;
void GetShaderInfoLog(nsAString* out) const;
void GetShaderSource(nsAString* out) const;
void GetShaderTranslatedSource(nsAString* out) const;
void ShaderSource(const nsAString& source);
// Util funcs
bool CanLinkTo(const WebGLShader* prev, nsCString* const out_log) const;
size_t CalcNumSamplerUniforms() const;
size_t NumAttributes() const;
bool FindAttribUserNameByMappedName(const nsACString& mappedName,
nsCString* const out_userName) const;
bool FindVaryingByMappedName(const nsACString& mappedName,
nsCString* const out_userName,
bool* const out_isArray) const;
bool FindUniformByMappedName(const nsACString& mappedName,
nsCString* const out_userName,
bool* const out_isArray) const;
bool UnmapUniformBlockName(const nsACString& baseMappedName,
nsCString* const out_baseUserName) const;
void EnumerateFragOutputs(std::map<nsCString, const nsCString> &out_FragOutputs) const;
bool IsCompiled() const {
return mTranslationSuccessful && mCompilationSuccessful;
}
private:
void BindAttribLocation(GLuint prog, const nsCString& userName, GLuint index) const;
void MapTransformFeedbackVaryings(const std::vector<nsString>& varyings,
std::vector<std::string>* out_mappedVaryings) const;
public:
// Other funcs
size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
void Delete();
WebGLContext* GetParentObject() const { return mContext; }
virtual JSObject* WrapObject(JSContext* js, JS::Handle<JSObject*> givenProto) override;
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLShader)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLShader)
public:
const GLuint mGLName;
const GLenum mType;
protected:
nsString mSource;
nsCString mCleanSource;
UniquePtr<webgl::ShaderValidator> mValidator;
nsCString mValidationLog;
bool mTranslationSuccessful;
nsCString mTranslatedSource;
bool mCompilationSuccessful;
nsCString mCompilationLog;
};
} // namespace mozilla
#endif // WEBGL_SHADER_H_
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