зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
3.5 KiB
C++
108 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WEBGL_SHADER_H_
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#define WEBGL_SHADER_H_
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#include <string>
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#include <vector>
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#include "GLDefs.h"
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#include "mozilla/LinkedList.h"
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#include "mozilla/MemoryReporting.h"
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#include "nsString.h"
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#include "nsWrapperCache.h"
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#include "WebGLObjectModel.h"
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namespace mozilla {
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namespace webgl {
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class ShaderValidator;
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} // namespace webgl
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class WebGLShader final
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: public nsWrapperCache
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, public WebGLRefCountedObject<WebGLShader>
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, public LinkedListElement<WebGLShader>
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, public WebGLContextBoundObject
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{
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friend class WebGLContext;
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friend class WebGLProgram;
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public:
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WebGLShader(WebGLContext* webgl, GLenum type);
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protected:
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~WebGLShader();
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public:
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// GL funcs
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void CompileShader();
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JS::Value GetShaderParameter(GLenum pname) const;
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void GetShaderInfoLog(nsAString* out) const;
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void GetShaderSource(nsAString* out) const;
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void GetShaderTranslatedSource(nsAString* out) const;
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void ShaderSource(const nsAString& source);
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// Util funcs
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bool CanLinkTo(const WebGLShader* prev, nsCString* const out_log) const;
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size_t CalcNumSamplerUniforms() const;
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size_t NumAttributes() const;
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void BindAttribLocation(GLuint prog, const nsCString& userName, GLuint index) const;
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bool FindActiveOutputMappedNameByUserName(const nsACString& userName,
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nsCString* const out_mappedName) const;
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bool FindAttribUserNameByMappedName(const nsACString& mappedName,
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nsDependentCString* const out_userName) const;
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bool FindVaryingByMappedName(const nsACString& mappedName,
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nsCString* const out_userName,
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bool* const out_isArray) const;
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bool FindUniformByMappedName(const nsACString& mappedName,
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nsCString* const out_userName,
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bool* const out_isArray) const;
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bool FindUniformBlockByMappedName(const nsACString& mappedName,
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nsCString* const out_userName,
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bool* const out_isArray) const;
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bool IsCompiled() const {
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return mTranslationSuccessful && mCompilationSuccessful;
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}
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void ApplyTransformFeedbackVaryings(GLuint prog,
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const std::vector<nsCString>& varyings,
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GLenum bufferMode,
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std::vector<std::string>* out_mappedVaryings) const;
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// Other funcs
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size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
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void Delete();
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WebGLContext* GetParentObject() const { return mContext; }
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virtual JSObject* WrapObject(JSContext* js, JS::Handle<JSObject*> givenProto) override;
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLShader)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLShader)
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public:
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const GLuint mGLName;
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const GLenum mType;
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protected:
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nsString mSource;
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nsCString mCleanSource;
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UniquePtr<webgl::ShaderValidator> mValidator;
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nsCString mValidationLog;
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bool mTranslationSuccessful;
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nsCString mTranslatedSource;
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bool mCompilationSuccessful;
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nsCString mCompilationLog;
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};
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} // namespace mozilla
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#endif // WEBGL_SHADER_H_
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