gecko/dom/canvas/WebGL1ContextBuffers.cpp
Dan Glastonbury 39cecb01b3 Bug 1048731 - [WebGL2] Implement new buffer binding targets. r=jgilbert
--HG--
extra : rebase_source : cbba1bb1995a35e7238b40a6819274d2fb15a40c
extra : source : 0f5fc69cd1f616e224ff5837f4c7486c126197e0
2014-12-05 17:04:55 +10:00

53 lines
1.4 KiB
C++

/* -*- 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 "WebGL1Context.h"
#include "WebGLBuffer.h"
#include "GLContext.h"
using namespace mozilla;
using namespace mozilla::dom;
// -------------------------------------------------------------------------
// Buffer objects
/** Target validation for BindBuffer, etc */
bool
WebGL1Context::ValidateBufferTarget(GLenum target, const char* info)
{
switch (target) {
case LOCAL_GL_ARRAY_BUFFER:
case LOCAL_GL_ELEMENT_ARRAY_BUFFER:
return true;
default:
ErrorInvalidEnumInfo(info, target);
return false;
}
}
bool
WebGL1Context::ValidateBufferIndexedTarget(GLenum target, const char* info)
{
ErrorInvalidEnumInfo(info, target);
return false;
}
/** Buffer and Target validation for BindBuffer */
bool
WebGL1Context::ValidateBufferForTarget(GLenum target, WebGLBuffer* buffer,
const char* info)
{
if (!buffer)
return true;
if (buffer->HasEverBeenBound() && target != buffer->Target()) {
ErrorInvalidOperation("%s: buffer already bound to a different target", info);
return false;
}
return true;
}