forked from mirrors/gecko-dev
027c306ce3
"unqualified friend declaration referring to type outside of the nearest enclosing namespace is a Microsoft extension; add a nested name specifier [-Wmicrosoft-unqualified-friend]"
234 lines
7.3 KiB
C++
234 lines
7.3 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_PROGRAM_H_
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#define WEBGL_PROGRAM_H_
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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#include "mozilla/LinkedList.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/WeakPtr.h"
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#include "nsString.h"
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#include "nsWrapperCache.h"
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#include "CacheMap.h"
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#include "WebGLContext.h"
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#include "WebGLObjectModel.h"
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namespace mozilla {
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class ErrorResult;
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class WebGLActiveInfo;
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class WebGLProgram;
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class WebGLShader;
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class WebGLUniformLocation;
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namespace dom {
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template<typename> struct Nullable;
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class OwningUnsignedLongOrUint32ArrayOrBoolean;
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template<typename> class Sequence;
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} // namespace dom
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namespace webgl {
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struct AttribInfo final
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{
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const RefPtr<WebGLActiveInfo> mActiveInfo;
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const GLint mLoc; // -1 for active built-ins
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const GLenum mBaseType;
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};
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struct UniformInfo final
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{
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typedef decltype(WebGLContext::mBound2DTextures) TexListT;
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const RefPtr<WebGLActiveInfo> mActiveInfo;
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const TexListT* const mSamplerTexList;
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std::vector<uint32_t> mSamplerValues;
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protected:
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static const TexListT*
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GetTexList(WebGLActiveInfo* activeInfo);
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public:
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explicit UniformInfo(WebGLActiveInfo* activeInfo);
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};
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struct UniformBlockInfo final
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{
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const nsCString mUserName;
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const nsCString mMappedName;
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const uint32_t mDataSize;
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const IndexedBufferBinding* mBinding;
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UniformBlockInfo(WebGLContext* webgl, const nsACString& userName,
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const nsACString& mappedName, uint32_t dataSize)
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: mUserName(userName)
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, mMappedName(mappedName)
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, mDataSize(dataSize)
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, mBinding(&webgl->mIndexedUniformBufferBindings[0])
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{ }
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};
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struct CachedDrawFetchLimits final {
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uint64_t maxVerts;
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uint64_t maxInstances;
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};
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struct LinkedProgramInfo final
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: public RefCounted<LinkedProgramInfo>
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, public SupportsWeakPtr<LinkedProgramInfo>
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{
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friend class mozilla::WebGLProgram;
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MOZ_DECLARE_REFCOUNTED_TYPENAME(LinkedProgramInfo)
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MOZ_DECLARE_WEAKREFERENCE_TYPENAME(LinkedProgramInfo)
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//////
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WebGLProgram* const prog;
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const GLenum transformFeedbackBufferMode;
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std::vector<AttribInfo> attribs;
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std::vector<UniformInfo*> uniforms; // Owns its contents.
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std::vector<UniformBlockInfo*> uniformBlocks; // Owns its contents.
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std::vector<RefPtr<WebGLActiveInfo>> transformFeedbackVaryings;
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// Needed for draw call validation.
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std::vector<UniformInfo*> uniformSamplers;
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mutable std::vector<size_t> componentsPerTFVert;
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bool attrib0Active;
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//////
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// The maps for the frag data names to the translated names.
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std::map<nsCString, const nsCString> fragDataMap;
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//////
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mutable CacheMap<const WebGLVertexArray*,
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CachedDrawFetchLimits> mDrawFetchCache;
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const CachedDrawFetchLimits* GetDrawFetchLimits(const char* funcName) const;
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//////
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explicit LinkedProgramInfo(WebGLProgram* prog);
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~LinkedProgramInfo();
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bool FindAttrib(const nsCString& userName, const AttribInfo** const out_info) const;
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bool FindUniform(const nsCString& userName, nsCString* const out_mappedName,
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size_t* const out_arrayIndex, UniformInfo** const out_info) const;
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bool MapFragDataName(const nsCString& userName,
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nsCString* const out_mappedName) const;
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};
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} // namespace webgl
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class WebGLProgram final
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: public nsWrapperCache
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, public WebGLRefCountedObject<WebGLProgram>
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, public LinkedListElement<WebGLProgram>
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{
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friend class WebGLTransformFeedback;
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friend struct webgl::LinkedProgramInfo;
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public:
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLProgram)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLProgram)
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explicit WebGLProgram(WebGLContext* webgl);
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void Delete();
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// GL funcs
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void AttachShader(WebGLShader* shader);
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void BindAttribLocation(GLuint index, const nsAString& name);
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void DetachShader(const WebGLShader* shader);
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already_AddRefed<WebGLActiveInfo> GetActiveAttrib(GLuint index) const;
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already_AddRefed<WebGLActiveInfo> GetActiveUniform(GLuint index) const;
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void GetAttachedShaders(nsTArray<RefPtr<WebGLShader>>* const out) const;
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GLint GetAttribLocation(const nsAString& name) const;
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GLint GetFragDataLocation(const nsAString& name) const;
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void GetProgramInfoLog(nsAString* const out) const;
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JS::Value GetProgramParameter(GLenum pname) const;
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GLuint GetUniformBlockIndex(const nsAString& name) const;
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void GetActiveUniformBlockName(GLuint uniformBlockIndex, nsAString& name) const;
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JS::Value GetActiveUniformBlockParam(GLuint uniformBlockIndex, GLenum pname) const;
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JS::Value GetActiveUniformBlockActiveUniforms(JSContext* cx, GLuint uniformBlockIndex,
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ErrorResult* const out_error) const;
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already_AddRefed<WebGLUniformLocation> GetUniformLocation(const nsAString& name) const;
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void GetUniformIndices(const dom::Sequence<nsString>& uniformNames,
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dom::Nullable< nsTArray<GLuint> >& retval) const;
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void UniformBlockBinding(GLuint uniformBlockIndex, GLuint uniformBlockBinding) const;
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void LinkProgram();
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bool UseProgram() const;
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void ValidateProgram() const;
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////////////////
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bool FindAttribUserNameByMappedName(const nsACString& mappedName,
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nsCString* 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 UnmapUniformBlockName(const nsCString& mappedName,
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nsCString* const out_userName) const;
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void TransformFeedbackVaryings(const dom::Sequence<nsString>& varyings,
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GLenum bufferMode);
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already_AddRefed<WebGLActiveInfo> GetTransformFeedbackVarying(GLuint index) const;
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void EnumerateFragOutputs(std::map<nsCString, const nsCString> &out_FragOutputs) const;
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bool IsLinked() const { return mMostRecentLinkInfo; }
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const webgl::LinkedProgramInfo* LinkInfo() const {
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return mMostRecentLinkInfo.get();
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}
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WebGLContext* GetParentObject() const {
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return mContext;
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}
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virtual JSObject* WrapObject(JSContext* js, JS::Handle<JSObject*> givenProto) override;
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private:
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~WebGLProgram();
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void LinkAndUpdate();
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bool ValidateForLink();
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bool ValidateAfterTentativeLink(nsCString* const out_linkLog) const;
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public:
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const GLuint mGLName;
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private:
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WebGLRefPtr<WebGLShader> mVertShader;
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WebGLRefPtr<WebGLShader> mFragShader;
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size_t mNumActiveTFOs;
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std::map<nsCString, GLuint> mNextLink_BoundAttribLocs;
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std::vector<nsString> mNextLink_TransformFeedbackVaryings;
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GLenum mNextLink_TransformFeedbackBufferMode;
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nsCString mLinkLog;
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RefPtr<const webgl::LinkedProgramInfo> mMostRecentLinkInfo;
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};
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} // namespace mozilla
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#endif // WEBGL_PROGRAM_H_
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