Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 20; 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             : #include "WebGLActiveInfo.h"
       7             : 
       8             : #include "mozilla/dom/WebGLRenderingContextBinding.h"
       9             : 
      10             : namespace mozilla {
      11             : 
      12             : static uint8_t
      13           0 : ElemSizeFromType(GLenum elemType)
      14             : {
      15           0 :     switch (elemType) {
      16             :     case LOCAL_GL_BOOL:
      17             :     case LOCAL_GL_FLOAT:
      18             :     case LOCAL_GL_INT:
      19             :     case LOCAL_GL_UNSIGNED_INT:
      20             :     case LOCAL_GL_SAMPLER_2D:
      21             :     case LOCAL_GL_SAMPLER_3D:
      22             :     case LOCAL_GL_SAMPLER_CUBE:
      23             :     case LOCAL_GL_SAMPLER_2D_SHADOW:
      24             :     case LOCAL_GL_SAMPLER_2D_ARRAY:
      25             :     case LOCAL_GL_SAMPLER_2D_ARRAY_SHADOW:
      26             :     case LOCAL_GL_SAMPLER_CUBE_SHADOW:
      27             :     case LOCAL_GL_INT_SAMPLER_2D:
      28             :     case LOCAL_GL_INT_SAMPLER_3D:
      29             :     case LOCAL_GL_INT_SAMPLER_CUBE:
      30             :     case LOCAL_GL_INT_SAMPLER_2D_ARRAY:
      31             :     case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D:
      32             :     case LOCAL_GL_UNSIGNED_INT_SAMPLER_3D:
      33             :     case LOCAL_GL_UNSIGNED_INT_SAMPLER_CUBE:
      34             :     case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
      35           0 :         return 1;
      36             : 
      37             :     case LOCAL_GL_BOOL_VEC2:
      38             :     case LOCAL_GL_FLOAT_VEC2:
      39             :     case LOCAL_GL_INT_VEC2:
      40             :     case LOCAL_GL_UNSIGNED_INT_VEC2:
      41           0 :         return 2;
      42             : 
      43             :     case LOCAL_GL_BOOL_VEC3:
      44             :     case LOCAL_GL_FLOAT_VEC3:
      45             :     case LOCAL_GL_INT_VEC3:
      46             :     case LOCAL_GL_UNSIGNED_INT_VEC3:
      47           0 :         return 3;
      48             : 
      49             :     case LOCAL_GL_BOOL_VEC4:
      50             :     case LOCAL_GL_FLOAT_VEC4:
      51             :     case LOCAL_GL_INT_VEC4:
      52             :     case LOCAL_GL_UNSIGNED_INT_VEC4:
      53             :     case LOCAL_GL_FLOAT_MAT2:
      54           0 :         return 4;
      55             : 
      56             :     case LOCAL_GL_FLOAT_MAT2x3:
      57             :     case LOCAL_GL_FLOAT_MAT3x2:
      58           0 :         return 6;
      59             : 
      60             :     case LOCAL_GL_FLOAT_MAT2x4:
      61             :     case LOCAL_GL_FLOAT_MAT4x2:
      62           0 :         return 8;
      63             : 
      64             :     case LOCAL_GL_FLOAT_MAT3:
      65           0 :         return 9;
      66             : 
      67             :     case LOCAL_GL_FLOAT_MAT3x4:
      68             :     case LOCAL_GL_FLOAT_MAT4x3:
      69           0 :         return 12;
      70             : 
      71             :     case LOCAL_GL_FLOAT_MAT4:
      72           0 :         return 16;
      73             : 
      74             :     default:
      75           0 :         MOZ_CRASH("GFX: Bad `elemType`.");
      76             :     }
      77             : }
      78             : 
      79             : ////////////////////
      80             : 
      81           0 : WebGLActiveInfo::WebGLActiveInfo(WebGLContext* webgl, GLint elemCount, GLenum elemType,
      82             :                                  bool isArray, const nsACString& baseUserName,
      83           0 :                                  const nsACString& baseMappedName)
      84             :     : mWebGL(webgl)
      85             :     , mElemCount(elemCount)
      86             :     , mElemType(elemType)
      87             :     , mBaseUserName(baseUserName)
      88             :     , mIsArray(isArray)
      89           0 :     , mElemSize(ElemSizeFromType(elemType))
      90           0 :     , mBaseMappedName(baseMappedName)
      91           0 : { }
      92             : 
      93             : bool
      94           0 : WebGLActiveInfo::IsSampler() const
      95             : {
      96           0 :     switch (mElemType) {
      97             :     case LOCAL_GL_SAMPLER_2D:
      98             :     case LOCAL_GL_SAMPLER_3D:
      99             :     case LOCAL_GL_SAMPLER_CUBE:
     100             :     case LOCAL_GL_SAMPLER_2D_SHADOW:
     101             :     case LOCAL_GL_SAMPLER_2D_ARRAY:
     102             :     case LOCAL_GL_SAMPLER_2D_ARRAY_SHADOW:
     103             :     case LOCAL_GL_SAMPLER_CUBE_SHADOW:
     104             :     case LOCAL_GL_INT_SAMPLER_2D:
     105             :     case LOCAL_GL_INT_SAMPLER_3D:
     106             :     case LOCAL_GL_INT_SAMPLER_CUBE:
     107             :     case LOCAL_GL_INT_SAMPLER_2D_ARRAY:
     108             :     case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D:
     109             :     case LOCAL_GL_UNSIGNED_INT_SAMPLER_3D:
     110             :     case LOCAL_GL_UNSIGNED_INT_SAMPLER_CUBE:
     111             :     case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
     112           0 :         return true;
     113             : 
     114             :     default:
     115           0 :         return false;
     116             :     }
     117             : }
     118             : 
     119             : ////////////////////////////////////////////////////////////////////////////////
     120             : 
     121             : JSObject*
     122           0 : WebGLActiveInfo::WrapObject(JSContext* js, JS::Handle<JSObject*> givenProto)
     123             : {
     124           0 :     return dom::WebGLActiveInfoBinding::Wrap(js, this, givenProto);
     125             : }
     126             : 
     127           0 : NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLActiveInfo)
     128             : 
     129           0 : NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLActiveInfo, AddRef)
     130           0 : NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLActiveInfo, Release)
     131             : 
     132             : } // namespace mozilla