diff options
Diffstat (limited to 'dom/canvas/WebGLContextVertexArray.cpp')
-rw-r--r-- | dom/canvas/WebGLContextVertexArray.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/dom/canvas/WebGLContextVertexArray.cpp b/dom/canvas/WebGLContextVertexArray.cpp new file mode 100644 index 000000000..5b7a10f22 --- /dev/null +++ b/dom/canvas/WebGLContextVertexArray.cpp @@ -0,0 +1,86 @@ +/* -*- Mode: C++; tab-width: 4; 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 "WebGLContext.h" + +#include "GLContext.h" +#include "WebGLBuffer.h" +#include "WebGLVertexArray.h" +#include "WebGLVertexAttribData.h" + +namespace mozilla { + +void +WebGLContext::BindVertexArray(WebGLVertexArray* array) +{ + if (IsContextLost()) + return; + + if (array && !ValidateObject("bindVertexArrayObject", *array)) + return; + + InvalidateBufferFetching(); + + MakeContextCurrent(); + + if (mBoundVertexArray) { + mBoundVertexArray->AddBufferBindCounts(-1); + } + + if (array == nullptr) { + array = mDefaultVertexArray; + } + + array->BindVertexArray(); + + MOZ_ASSERT(mBoundVertexArray == array); + if (mBoundVertexArray) { + mBoundVertexArray->AddBufferBindCounts(+1); + } +} + +already_AddRefed<WebGLVertexArray> +WebGLContext::CreateVertexArray() +{ + if (IsContextLost()) + return nullptr; + + RefPtr<WebGLVertexArray> globj = CreateVertexArrayImpl(); + + MakeContextCurrent(); + globj->GenVertexArray(); + + return globj.forget(); +} + +WebGLVertexArray* +WebGLContext::CreateVertexArrayImpl() +{ + return WebGLVertexArray::Create(this); +} + +void +WebGLContext::DeleteVertexArray(WebGLVertexArray* array) +{ + if (!ValidateDeleteObject("deleteVertexArray", array)) + return; + + if (mBoundVertexArray == array) + BindVertexArray(static_cast<WebGLVertexArray*>(nullptr)); + + array->RequestDelete(); +} + +bool +WebGLContext::IsVertexArray(const WebGLVertexArray* array) +{ + if (!ValidateIsObject("isVertexArray", array)) + return false; + + MakeContextCurrent(); + return array->IsVertexArray(); +} + +} // namespace mozilla |