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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WebGLActiveInfo.h"
#include "mozilla/dom/WebGLRenderingContextBinding.h"
namespace mozilla {
static uint8_t
ElemSizeFromType(GLenum elemType)
{
switch (elemType) {
case LOCAL_GL_BOOL:
case LOCAL_GL_FLOAT:
case LOCAL_GL_INT:
case LOCAL_GL_UNSIGNED_INT:
case LOCAL_GL_SAMPLER_2D:
case LOCAL_GL_SAMPLER_3D:
case LOCAL_GL_SAMPLER_CUBE:
case LOCAL_GL_SAMPLER_2D_SHADOW:
case LOCAL_GL_SAMPLER_2D_ARRAY:
case LOCAL_GL_SAMPLER_2D_ARRAY_SHADOW:
case LOCAL_GL_SAMPLER_CUBE_SHADOW:
case LOCAL_GL_INT_SAMPLER_2D:
case LOCAL_GL_INT_SAMPLER_3D:
case LOCAL_GL_INT_SAMPLER_CUBE:
case LOCAL_GL_INT_SAMPLER_2D_ARRAY:
case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D:
case LOCAL_GL_UNSIGNED_INT_SAMPLER_3D:
case LOCAL_GL_UNSIGNED_INT_SAMPLER_CUBE:
case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
return 1;
case LOCAL_GL_BOOL_VEC2:
case LOCAL_GL_FLOAT_VEC2:
case LOCAL_GL_INT_VEC2:
case LOCAL_GL_UNSIGNED_INT_VEC2:
return 2;
case LOCAL_GL_BOOL_VEC3:
case LOCAL_GL_FLOAT_VEC3:
case LOCAL_GL_INT_VEC3:
case LOCAL_GL_UNSIGNED_INT_VEC3:
return 3;
case LOCAL_GL_BOOL_VEC4:
case LOCAL_GL_FLOAT_VEC4:
case LOCAL_GL_INT_VEC4:
case LOCAL_GL_UNSIGNED_INT_VEC4:
case LOCAL_GL_FLOAT_MAT2:
return 4;
case LOCAL_GL_FLOAT_MAT2x3:
case LOCAL_GL_FLOAT_MAT3x2:
return 6;
case LOCAL_GL_FLOAT_MAT2x4:
case LOCAL_GL_FLOAT_MAT4x2:
return 8;
case LOCAL_GL_FLOAT_MAT3:
return 9;
case LOCAL_GL_FLOAT_MAT3x4:
case LOCAL_GL_FLOAT_MAT4x3:
return 12;
case LOCAL_GL_FLOAT_MAT4:
return 16;
default:
MOZ_CRASH("GFX: Bad `elemType`.");
}
}
////////////////////
WebGLActiveInfo::WebGLActiveInfo(WebGLContext* webgl, GLint elemCount, GLenum elemType,
bool isArray, const nsACString& baseUserName,
const nsACString& baseMappedName)
: mWebGL(webgl)
, mElemCount(elemCount)
, mElemType(elemType)
, mBaseUserName(baseUserName)
, mIsArray(isArray)
, mElemSize(ElemSizeFromType(elemType))
, mBaseMappedName(baseMappedName)
{ }
bool
WebGLActiveInfo::IsSampler() const
{
switch (mElemType) {
case LOCAL_GL_SAMPLER_2D:
case LOCAL_GL_SAMPLER_3D:
case LOCAL_GL_SAMPLER_CUBE:
case LOCAL_GL_SAMPLER_2D_SHADOW:
case LOCAL_GL_SAMPLER_2D_ARRAY:
case LOCAL_GL_SAMPLER_2D_ARRAY_SHADOW:
case LOCAL_GL_SAMPLER_CUBE_SHADOW:
case LOCAL_GL_INT_SAMPLER_2D:
case LOCAL_GL_INT_SAMPLER_3D:
case LOCAL_GL_INT_SAMPLER_CUBE:
case LOCAL_GL_INT_SAMPLER_2D_ARRAY:
case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D:
case LOCAL_GL_UNSIGNED_INT_SAMPLER_3D:
case LOCAL_GL_UNSIGNED_INT_SAMPLER_CUBE:
case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
return true;
default:
return false;
}
}
////////////////////////////////////////////////////////////////////////////////
JSObject*
WebGLActiveInfo::WrapObject(JSContext* js, JS::Handle<JSObject*> givenProto)
{
return dom::WebGLActiveInfoBinding::Wrap(js, this, givenProto);
}
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLActiveInfo)
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLActiveInfo, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLActiveInfo, Release)
} // namespace mozilla
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