The Tor Browser / file comparison
comparison: content/canvas/src/WebGLProgram.h
content/canvas/src/WebGLProgram.h
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
equal
deleted
inserted
replaced
| -1:000000000000 | 0:19ce3122d492 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef WEBGLPROGRAM_H_ | |
| 7 #define WEBGLPROGRAM_H_ | |
| 8 | |
| 9 #include "WebGLObjectModel.h" | |
| 10 | |
| 11 #include "nsWrapperCache.h" | |
| 12 | |
| 13 #include "mozilla/LinkedList.h" | |
| 14 #include "mozilla/CheckedInt.h" | |
| 15 #include <map> | |
| 16 | |
| 17 namespace mozilla { | |
| 18 | |
| 19 class WebGLShader; | |
| 20 class WebGLUniformInfo; | |
| 21 | |
| 22 typedef nsDataHashtable<nsCStringHashKey, nsCString> CStringMap; | |
| 23 typedef nsDataHashtable<nsCStringHashKey, WebGLUniformInfo> CStringToUniformInfoMap; | |
| 24 | |
| 25 class WebGLProgram MOZ_FINAL | |
| 26 : public nsWrapperCache | |
| 27 , public WebGLRefCountedObject<WebGLProgram> | |
| 28 , public LinkedListElement<WebGLProgram> | |
| 29 , public WebGLContextBoundObject | |
| 30 { | |
| 31 public: | |
| 32 WebGLProgram(WebGLContext *context); | |
| 33 | |
| 34 ~WebGLProgram() { | |
| 35 DeleteOnce(); | |
| 36 } | |
| 37 | |
| 38 void Delete(); | |
| 39 | |
| 40 void DetachShaders() { | |
| 41 mAttachedShaders.Clear(); | |
| 42 } | |
| 43 | |
| 44 GLuint GLName() { return mGLName; } | |
| 45 const nsTArray<WebGLRefPtr<WebGLShader> >& AttachedShaders() const { return mAttachedShaders; } | |
| 46 bool LinkStatus() { return mLinkStatus; } | |
| 47 uint32_t Generation() const { return mGeneration.value(); } | |
| 48 void SetLinkStatus(bool val) { mLinkStatus = val; } | |
| 49 | |
| 50 bool ContainsShader(WebGLShader *shader) { | |
| 51 return mAttachedShaders.Contains(shader); | |
| 52 } | |
| 53 | |
| 54 // return true if the shader wasn't already attached | |
| 55 bool AttachShader(WebGLShader *shader); | |
| 56 | |
| 57 // return true if the shader was found and removed | |
| 58 bool DetachShader(WebGLShader *shader); | |
| 59 | |
| 60 bool HasAttachedShaderOfType(GLenum shaderType); | |
| 61 | |
| 62 bool HasBothShaderTypesAttached() { | |
| 63 return | |
| 64 HasAttachedShaderOfType(LOCAL_GL_VERTEX_SHADER) && | |
| 65 HasAttachedShaderOfType(LOCAL_GL_FRAGMENT_SHADER); | |
| 66 } | |
| 67 | |
| 68 bool HasBadShaderAttached(); | |
| 69 | |
| 70 size_t UpperBoundNumSamplerUniforms(); | |
| 71 | |
| 72 bool NextGeneration() | |
| 73 { | |
| 74 if (!(mGeneration + 1).isValid()) | |
| 75 return false; // must exit without changing mGeneration | |
| 76 ++mGeneration; | |
| 77 return true; | |
| 78 } | |
| 79 | |
| 80 /* Called only after LinkProgram */ | |
| 81 bool UpdateInfo(); | |
| 82 | |
| 83 /* Getters for cached program info */ | |
| 84 bool IsAttribInUse(unsigned i) const { return mAttribsInUse[i]; } | |
| 85 | |
| 86 /* Maps identifier |name| to the mapped identifier |*mappedName| | |
| 87 * Both are ASCII strings. | |
| 88 */ | |
| 89 void MapIdentifier(const nsACString& name, nsCString *mappedName); | |
| 90 | |
| 91 /* Un-maps mapped identifier |name| to the original identifier |*reverseMappedName| | |
| 92 * Both are ASCII strings. | |
| 93 */ | |
| 94 void ReverseMapIdentifier(const nsACString& name, nsCString *reverseMappedName); | |
| 95 | |
| 96 /* Returns the uniform array size (or 1 if the uniform is not an array) of | |
| 97 * the uniform with given mapped identifier. | |
| 98 * | |
| 99 * Note: the input string |name| is the mapped identifier, not the original identifier. | |
| 100 */ | |
| 101 WebGLUniformInfo GetUniformInfoForMappedIdentifier(const nsACString& name); | |
| 102 | |
| 103 WebGLContext *GetParentObject() const { | |
| 104 return Context(); | |
| 105 } | |
| 106 | |
| 107 virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE; | |
| 108 | |
| 109 NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLProgram) | |
| 110 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLProgram) | |
| 111 | |
| 112 // public post-link data | |
| 113 std::map<GLint, nsCString> mActiveAttribMap; | |
| 114 | |
| 115 protected: | |
| 116 | |
| 117 GLuint mGLName; | |
| 118 bool mLinkStatus; | |
| 119 // attached shaders of the program object | |
| 120 nsTArray<WebGLRefPtr<WebGLShader> > mAttachedShaders; | |
| 121 CheckedUint32 mGeneration; | |
| 122 | |
| 123 // post-link data | |
| 124 FallibleTArray<bool> mAttribsInUse; | |
| 125 nsAutoPtr<CStringMap> mIdentifierMap, mIdentifierReverseMap; | |
| 126 nsAutoPtr<CStringToUniformInfoMap> mUniformInfoMap; | |
| 127 int mAttribMaxNameLength; | |
| 128 }; | |
| 129 | |
| 130 } // namespace mozilla | |
| 131 | |
| 132 #endif |
