本文整理汇总了C++中WebGLBuffer::ElementArrayCacheBufferSubData方法的典型用法代码示例。如果您正苦于以下问题：C++ WebGLBuffer::ElementArrayCacheBufferSubData方法的具体用法？C++ WebGLBuffer::ElementArrayCacheBufferSubData怎么用？C++ WebGLBuffer::ElementArrayCacheBufferSubData使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WebGLBuffer的用法示例。
在下文中一共展示了WebGLBuffer::ElementArrayCacheBufferSubData方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: ErrorInvalidValue
void
WebGLContext::BufferSubData(GLenum target, WebGLsizeiptr byteOffset,
const ArrayBufferView& data)
{
if (IsContextLost())
return;
WebGLRefPtr<WebGLBuffer>* bufferSlot = GetBufferSlotByTarget(target, "bufferSubData");
if (!bufferSlot) {
return;
}
if (byteOffset < 0)
return ErrorInvalidValue("bufferSubData: negative offset");
WebGLBuffer* boundBuffer = bufferSlot->get();
if (!boundBuffer)
return ErrorInvalidOperation("bufferSubData: no buffer bound!");
CheckedInt<WebGLsizeiptr> checked_neededByteLength = CheckedInt<WebGLsizeiptr>(byteOffset) + data.Length();
if (!checked_neededByteLength.isValid())
return ErrorInvalidValue("bufferSubData: integer overflow computing the needed byte length");
if (checked_neededByteLength.value() > boundBuffer->ByteLength())
return ErrorInvalidValue("bufferSubData: not enough data -- operation requires %d bytes, but buffer only has %d bytes",
checked_neededByteLength.value(), boundBuffer->ByteLength());
boundBuffer->ElementArrayCacheBufferSubData(byteOffset, data.Data(), data.Length());
MakeContextCurrent();
gl->fBufferSubData(target, byteOffset, data.Length(), data.Data());
}示例2: ErrorInvalidValue
void
WebGLContext::BufferSubDataT(GLenum target,
WebGLsizeiptr byteOffset,
const BufferT& data)
{
if (IsContextLost())
return;
if (!ValidateBufferTarget(target, "bufferSubData"))
return;
WebGLRefPtr<WebGLBuffer>& bufferSlot = GetBufferSlotByTarget(target);
if (byteOffset < 0)
return ErrorInvalidValue("bufferSubData: negative offset");
WebGLBuffer* boundBuffer = bufferSlot.get();
if (!boundBuffer)
return ErrorInvalidOperation("bufferData: no buffer bound!");
data.ComputeLengthAndData();
CheckedInt<WebGLsizeiptr> checked_neededByteLength =
CheckedInt<WebGLsizeiptr>(byteOffset) + data.Length();
if (!checked_neededByteLength.isValid()) {
ErrorInvalidValue("bufferSubData: Integer overflow computing the needed"
" byte length.");
return;
}
if (checked_neededByteLength.value() > boundBuffer->ByteLength()) {
ErrorInvalidValue("bufferSubData: Not enough data. Operation requires"
" %d bytes, but buffer only has %d bytes.",
checked_neededByteLength.value(),
boundBuffer->ByteLength());
return;
}
boundBuffer->ElementArrayCacheBufferSubData(byteOffset, data.Data(),
data.Length());
MakeContextCurrent();
gl->fBufferSubData(target, byteOffset, data.Length(), data.Data());
}示例3: ErrorInvalidValue
void
WebGLContext::BufferSubData(GLenum target, WebGLsizeiptr byteOffset,
const Nullable<ArrayBuffer> &maybeData)
{
if (IsContextLost())
return;
if (maybeData.IsNull()) {
// see http://www.khronos.org/bugzilla/show_bug.cgi?id=386
return;
}
WebGLRefPtr<WebGLBuffer>* bufferSlot = GetBufferSlotByTarget(target, "bufferSubData");
if (!bufferSlot) {
return;
}
if (byteOffset < 0)
return ErrorInvalidValue("bufferSubData: negative offset");
WebGLBuffer* boundBuffer = bufferSlot->get();
if (!boundBuffer)
return ErrorInvalidOperation("bufferData: no buffer bound!");
const ArrayBuffer& data = maybeData.Value();
data.ComputeLengthAndData();
CheckedInt<WebGLsizeiptr> checked_neededByteLength = CheckedInt<WebGLsizeiptr>(byteOffset) + data.Length();
if (!checked_neededByteLength.isValid())
return ErrorInvalidValue("bufferSubData: integer overflow computing the needed byte length");
if (checked_neededByteLength.value() > boundBuffer->ByteLength())
return ErrorInvalidValue("bufferSubData: not enough data - operation requires %d bytes, but buffer only has %d bytes",
checked_neededByteLength.value(), boundBuffer->ByteLength());
MakeContextCurrent();
boundBuffer->ElementArrayCacheBufferSubData(byteOffset, data.Data(), data.Length());
gl->fBufferSubData(target, byteOffset, data.Length(), data.Data());
}