1 /*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "third_party/blink/renderer/modules/webgl/webgl_buffer.h"
27
28 #include "gpu/command_buffer/client/gles2_interface.h"
29 #include "third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.h"
30
31 namespace blink {
32
WebGLBuffer(WebGLRenderingContextBase * ctx)33 WebGLBuffer::WebGLBuffer(WebGLRenderingContextBase* ctx)
34 : WebGLSharedPlatform3DObject(ctx), initial_target_(0), size_(0) {
35 GLuint buffer;
36 ctx->ContextGL()->GenBuffers(1, &buffer);
37 SetObject(buffer);
38 }
39
40 WebGLBuffer::~WebGLBuffer() = default;
41
DeleteObjectImpl(gpu::gles2::GLES2Interface * gl)42 void WebGLBuffer::DeleteObjectImpl(gpu::gles2::GLES2Interface* gl) {
43 gl->DeleteBuffers(1, &object_);
44 object_ = 0;
45 }
46
SetInitialTarget(GLenum target)47 void WebGLBuffer::SetInitialTarget(GLenum target) {
48 // WebGL restricts the ability to bind buffers to multiple targets based on
49 // it's initial bind point.
50 DCHECK(!initial_target_);
51 initial_target_ = target;
52 }
53
54 } // namespace blink
55