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