| /* |
| * Copyright (C) 2011 Google 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 |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "third_party/blink/renderer/modules/webgl/oes_vertex_array_object.h" |
| |
| #include "gpu/command_buffer/client/gles2_interface.h" |
| #include "third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.h" |
| #include "third_party/blink/renderer/modules/webgl/webgl_vertex_array_object_oes.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| |
| namespace blink { |
| |
| OESVertexArrayObject::OESVertexArrayObject(WebGLRenderingContextBase* context) |
| : WebGLExtension(context) { |
| context->ExtensionsUtil()->EnsureExtensionEnabled( |
| "GL_OES_vertex_array_object"); |
| } |
| |
| WebGLExtensionName OESVertexArrayObject::GetName() const { |
| return kOESVertexArrayObjectName; |
| } |
| |
| OESVertexArrayObject* OESVertexArrayObject::Create( |
| WebGLRenderingContextBase* context) { |
| return MakeGarbageCollected<OESVertexArrayObject>(context); |
| } |
| |
| WebGLVertexArrayObjectOES* OESVertexArrayObject::createVertexArrayOES() { |
| WebGLExtensionScopedContext scoped(this); |
| if (scoped.IsLost()) |
| return nullptr; |
| |
| return WebGLVertexArrayObjectOES::Create( |
| scoped.Context(), WebGLVertexArrayObjectOES::kVaoTypeUser); |
| } |
| |
| void OESVertexArrayObject::deleteVertexArrayOES( |
| WebGLVertexArrayObjectOES* array_object) { |
| WebGLExtensionScopedContext scoped(this); |
| if (!array_object || scoped.IsLost()) |
| return; |
| |
| if (!array_object->IsDefaultObject() && |
| array_object == scoped.Context()->bound_vertex_array_object_) |
| scoped.Context()->SetBoundVertexArrayObject(nullptr); |
| |
| array_object->DeleteObject(scoped.Context()->ContextGL()); |
| } |
| |
| GLboolean OESVertexArrayObject::isVertexArrayOES( |
| WebGLVertexArrayObjectOES* array_object) { |
| WebGLExtensionScopedContext scoped(this); |
| if (!array_object || scoped.IsLost()) |
| return 0; |
| |
| if (!array_object->HasEverBeenBound()) |
| return 0; |
| if (array_object->MarkedForDeletion()) |
| return 0; |
| |
| return scoped.Context()->ContextGL()->IsVertexArrayOES( |
| array_object->Object()); |
| } |
| |
| void OESVertexArrayObject::bindVertexArrayOES( |
| WebGLVertexArrayObjectOES* array_object) { |
| WebGLExtensionScopedContext scoped(this); |
| if (scoped.IsLost()) |
| return; |
| |
| if (!scoped.Context()->ValidateNullableWebGLObject( |
| "OESVertexArrayObject.bindVertexArrayOES", array_object)) |
| return; |
| |
| if (array_object && !array_object->IsDefaultObject() && |
| array_object->Object()) { |
| scoped.Context()->ContextGL()->BindVertexArrayOES(array_object->Object()); |
| |
| array_object->SetHasEverBeenBound(); |
| scoped.Context()->SetBoundVertexArrayObject(array_object); |
| } else { |
| scoped.Context()->ContextGL()->BindVertexArrayOES(0); |
| scoped.Context()->SetBoundVertexArrayObject(nullptr); |
| } |
| } |
| |
| bool OESVertexArrayObject::Supported(WebGLRenderingContextBase* context) { |
| return context->ExtensionsUtil()->SupportsExtension( |
| "GL_OES_vertex_array_object"); |
| } |
| |
| const char* OESVertexArrayObject::ExtensionName() { |
| return "OES_vertex_array_object"; |
| } |
| |
| } // namespace blink |