[SharedArrayBuffer] Add "AllowShared" extended attribute, used for WebGL

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.idl

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 468 matching lines @@
     void bindRenderbuffer(GLenum target, WebGLRenderbuffer? renderbuffer);
     void bindTexture(GLenum target, WebGLTexture? texture);
     void blendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
     void blendEquation(GLenum mode);
     void blendEquationSeparate(GLenum modeRGB, GLenum modeAlpha);
     void blendFunc(GLenum sfactor, GLenum dfactor);
     void blendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha);
     // FIXME: should be union type
     // https://www.khronos.org/bugzilla/show_bug.cgi?id=1172
     void bufferData(GLenum target, GLsizeiptr size, GLenum usage);
-    void bufferData(GLenum target, ArrayBufferView data, GLenum usage);
+    void bufferData(GLenum target, [AllowShared] ArrayBufferView data, GLenum usage);
     void bufferData(GLenum target, ArrayBuffer? data, GLenum usage);
     void bufferSubData(GLenum target, GLintptr offset, [FlexibleArrayBufferView] ArrayBufferView data);
     void bufferSubData(GLenum target, GLintptr offset, ArrayBuffer data);
 
     GLenum checkFramebufferStatus(GLenum target);
     void clear(GLbitfield mask);
     void clearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
     void clearDepth(GLclampf depth);
     void clearStencil(GLint s);
     void colorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
     void compileShader(WebGLShader shader);
 
     void compressedTexImage2D(GLenum target, GLint level, GLenum internalformat,
-                              GLsizei width, GLsizei height, GLint border, ArrayBufferView data);
+                              GLsizei width, GLsizei height, GLint border, [AllowShared] ArrayBufferView data);
     void compressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
-                                 GLsizei width, GLsizei height, GLenum format, ArrayBufferView data);
+                                 GLsizei width, GLsizei height, GLenum format, [AllowShared] ArrayBufferView data);
 
     void copyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
     void copyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
 
     WebGLBuffer createBuffer();
     WebGLFramebuffer createFramebuffer();
     WebGLProgram createProgram();
     WebGLRenderbuffer createRenderbuffer();
     WebGLShader createShader(GLenum type);
     WebGLTexture createTexture();
@@ skipping 72 matching lines @@
     GLboolean isFramebuffer(WebGLFramebuffer? framebuffer);
     GLboolean isProgram(WebGLProgram? program);
     GLboolean isRenderbuffer(WebGLRenderbuffer? renderbuffer);
     GLboolean isShader(WebGLShader? shader);
     GLboolean isTexture(WebGLTexture? texture);
     void lineWidth(GLfloat width);
     void linkProgram(WebGLProgram program);
     void pixelStorei(GLenum pname, GLint param);
     void polygonOffset(GLfloat factor, GLfloat units);
 
-    void readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, ArrayBufferView? pixels);
+    void readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);
 
     void renderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
     void sampleCoverage(GLclampf value, GLboolean invert);
     void scissor(GLint x, GLint y, GLsizei width, GLsizei height);
     void shaderSource(WebGLShader shader, DOMString string);
     void stencilFunc(GLenum func, GLint ref, GLuint mask);
     void stencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask);
     void stencilMask(GLuint mask);
     void stencilMaskSeparate(GLenum face, GLuint mask);
     void stencilOp(GLenum fail, GLenum zfail, GLenum zpass);
     void stencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass);
 
     void texParameterf(GLenum target, GLenum pname, GLfloat param);
     void texParameteri(GLenum target, GLenum pname, GLint param);
 
     // Supported forms:
     // FIXME: should be union type
     // https://www.khronos.org/bugzilla/show_bug.cgi?id=1172
     void texImage2D(
         GLenum target, GLint level, GLint internalformat,
         GLsizei width, GLsizei height, GLint border,
-        GLenum format, GLenum type, ArrayBufferView? pixels);
+        GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);
     void texImage2D(
         GLenum target, GLint level, GLint internalformat,
         GLenum format, GLenum type, ImageData pixels);
     [CallWith=ExecutionContext, RaisesException] void texImage2D(
         GLenum target, GLint level, GLint internalformat,
         GLenum format, GLenum type, HTMLImageElement image);
     [CallWith=ExecutionContext, RaisesException] void texImage2D(
         GLenum target, GLint level, GLint internalformat,
         GLenum format, GLenum type, HTMLCanvasElement canvas);
     [CallWith=ExecutionContext, RaisesException] void texImage2D(
         GLenum target, GLint level, GLint internalformat,
         GLenum format, GLenum type, HTMLVideoElement video);
     [RaisesException] void texImage2D(
         GLenum target, GLint level, GLint internalformat,
         GLenum format, GLenum type, ImageBitmap bitmap);
 
     void texSubImage2D(
         GLenum target, GLint level, GLint xoffset, GLint yoffset,
         GLsizei width, GLsizei height,
-        GLenum format, GLenum type, ArrayBufferView? pixels);
+        GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);
     void texSubImage2D(
         GLenum target, GLint level, GLint xoffset, GLint yoffset,
         GLenum format, GLenum type, ImageData pixels);
     [CallWith=ExecutionContext, RaisesException] void texSubImage2D(
         GLenum target, GLint level, GLint xoffset, GLint yoffset,
         GLenum format, GLenum type, HTMLImageElement image);
     [CallWith=ExecutionContext, RaisesException] void texSubImage2D(
         GLenum target, GLint level, GLint xoffset, GLint yoffset,
         GLenum format, GLenum type, HTMLCanvasElement canvas);
     [CallWith=ExecutionContext, RaisesException] void texSubImage2D(
@@ skipping 21 matching lines @@
     void uniform3i(WebGLUniformLocation? location, GLint x, GLint y, GLint z);
     void uniform3iv(WebGLUniformLocation? location, [FlexibleArrayBufferView] Int32Array v);
     void uniform3iv(WebGLUniformLocation? location, sequence<GLint> v);
     void uniform4f(WebGLUniformLocation? location, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
     void uniform4fv(WebGLUniformLocation? location, [FlexibleArrayBufferView] Float32Array v);
     void uniform4fv(WebGLUniformLocation? location, sequence<GLfloat> v);
     void uniform4i(WebGLUniformLocation? location, GLint x, GLint y, GLint z, GLint w);
     void uniform4iv(WebGLUniformLocation? location, [FlexibleArrayBufferView] Int32Array v);
     void uniform4iv(WebGLUniformLocation? location, sequence<GLint> v);
 
-    void uniformMatrix2fv(WebGLUniformLocation? location, GLboolean transpose, Float32Array array);
+    void uniformMatrix2fv(WebGLUniformLocation? location, GLboolean transpose, [AllowShared] Float32Array array);
     void uniformMatrix2fv(WebGLUniformLocation? location, GLboolean transpose, sequence<GLfloat> array);
-    void uniformMatrix3fv(WebGLUniformLocation? location, GLboolean transpose, Float32Array array);
+    void uniformMatrix3fv(WebGLUniformLocation? location, GLboolean transpose, [AllowShared] Float32Array array);
     void uniformMatrix3fv(WebGLUniformLocation? location, GLboolean transpose, sequence<GLfloat> array);
-    void uniformMatrix4fv(WebGLUniformLocation? location, GLboolean transpose, Float32Array array);
+    void uniformMatrix4fv(WebGLUniformLocation? location, GLboolean transpose, [AllowShared] Float32Array array);
     void uniformMatrix4fv(WebGLUniformLocation? location, GLboolean transpose, sequence<GLfloat> array);
 
     void useProgram(WebGLProgram? program);
     void validateProgram(WebGLProgram program);
 
     void vertexAttrib1f(GLuint indx, GLfloat x);
-    void vertexAttrib1fv(GLuint indx, Float32Array values);
+    void vertexAttrib1fv(GLuint indx, [AllowShared] Float32Array values);
     void vertexAttrib1fv(GLuint indx, sequence<GLfloat> values);
     void vertexAttrib2f(GLuint indx, GLfloat x, GLfloat y);
-    void vertexAttrib2fv(GLuint indx, Float32Array values);
+    void vertexAttrib2fv(GLuint indx, [AllowShared] Float32Array values);
     void vertexAttrib2fv(GLuint indx, sequence<GLfloat> values);
     void vertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z);
-    void vertexAttrib3fv(GLuint indx, Float32Array values);
+    void vertexAttrib3fv(GLuint indx, [AllowShared] Float32Array values);
     void vertexAttrib3fv(GLuint indx, sequence<GLfloat> values);
     void vertexAttrib4f(GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
-    void vertexAttrib4fv(GLuint indx, Float32Array values);
+    void vertexAttrib4fv(GLuint indx, [AllowShared] Float32Array values);
     void vertexAttrib4fv(GLuint indx, sequence<GLfloat> values);
     void vertexAttribPointer(GLuint indx, GLint size, GLenum type, GLboolean normalized,
                                                     GLsizei stride, GLintptr offset);
 
     void viewport(GLint x, GLint y, GLsizei width, GLsizei height);
 
     [RuntimeEnabled=ExperimentalCanvasFeatures, CallWith=ScriptState, RaisesException] Promise commit();
 };