dom/canvas/WebGLShader.h

   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 WEBGLSHADER_H_
   7 #define WEBGLSHADER_H_
   8
   9 #include "WebGLObjectModel.h"
  10 #include "WebGLUniformInfo.h"
  11
  12 #include "nsWrapperCache.h"
  13
  14 #include "angle/ShaderLang.h"
  15
  16 #include "mozilla/LinkedList.h"
  17 #include "mozilla/MemoryReporting.h"
  18
  19 namespace mozilla {
  20
  21 struct WebGLMappedIdentifier {
  22     nsCString original, mapped; // ASCII strings
  23     WebGLMappedIdentifier(const nsACString& o, const nsACString& m) : original(o), mapped(m) {}
  24 };
  25
  26 class WebGLShader MOZ_FINAL
  27     : public nsWrapperCache
  28     , public WebGLRefCountedObject<WebGLShader>
  29     , public LinkedListElement<WebGLShader>
  30     , public WebGLContextBoundObject
  31 {
  32     friend class WebGLContext;
  33     friend class WebGLProgram;
  34
  35 public:
  36     WebGLShader(WebGLContext *context, GLenum stype);
  37
  38     size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
  39
  40     GLuint GLName() { return mGLName; }
  41     GLenum ShaderType() { return mType; }
  42
  43     void SetSource(const nsAString& src) {
  44         // XXX do some quick gzip here maybe -- getting this will be very rare
  45         mSource.Assign(src);
  46     }
  47
  48     const nsString& Source() const { return mSource; }
  49
  50     void SetNeedsTranslation() { mNeedsTranslation = true; }
  51     bool NeedsTranslation() const { return mNeedsTranslation; }
  52
  53     void SetCompileStatus (bool status) {
  54         mCompileStatus = status;
  55     }
  56
  57     void Delete();
  58
  59     bool CompileStatus() const {
  60         return mCompileStatus;
  61     }
  62
  63     void SetTranslationSuccess();
  64
  65     void SetTranslationFailure(const nsCString& msg) {
  66         mTranslationLog.Assign(msg);
  67     }
  68
  69     const nsCString& TranslationLog() const { return mTranslationLog; }
  70
  71     const nsString& TranslatedSource() const { return mTranslatedSource; }
  72
  73     WebGLContext *GetParentObject() const {
  74         return Context();
  75     }
  76
  77     virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;
  78
  79     NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLShader)
  80     NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLShader)
  81
  82 protected:
  83     ~WebGLShader() {
  84         DeleteOnce();
  85     }
  86
  87     GLuint mGLName;
  88     GLenum mType;
  89     nsString mSource;
  90     nsString mTranslatedSource;
  91     nsCString mTranslationLog; // The translation log should contain only ASCII characters
  92     bool mNeedsTranslation;
  93     nsTArray<WebGLMappedIdentifier> mAttributes;
  94     nsTArray<WebGLMappedIdentifier> mUniforms;
  95     nsTArray<WebGLUniformInfo> mUniformInfos;
  96     int mAttribMaxNameLength;
  97     bool mCompileStatus;
  98 };
  99 } // namespace mozilla
 100
 101 #endif