本文整理汇总了C++中ogre::VertexBufferBinding::getBindings方法的典型用法代码示例。如果您正苦于以下问题：C++ VertexBufferBinding::getBindings方法的具体用法？C++ VertexBufferBinding::getBindings怎么用？C++ VertexBufferBinding::getBindings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ogre::VertexBufferBinding的用法示例。
在下文中一共展示了VertexBufferBinding::getBindings方法的2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: memcpy
/// @author https://bitbucket.org/ChaosCreator/imgui-ogre2.1-binding/src/8f1a01db510f543a987c3c16859d0a33400d9097/ImguiRenderable.cpp?at=master&fileviewer=file-view-default
/// Commentary on OGRE forums: http://www.ogre3d.org/forums/viewtopic.php?f=5&t=89081#p531059
void OgreImGui::ImGUIRenderable::updateVertexData(const ImDrawVert* vtxBuf, const ImDrawIdx* idxBuf, unsigned int vtxCount, unsigned int idxCount)
{
Ogre::VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
if (bind->getBindings().empty() || mVertexBufferSize != vtxCount)
{
mVertexBufferSize = vtxCount;
bind->setBinding(0, Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(sizeof(ImDrawVert), mVertexBufferSize, Ogre::HardwareBuffer::HBU_WRITE_ONLY));
}
if (mRenderOp.indexData->indexBuffer.isNull() || mIndexBufferSize != idxCount)
{
mIndexBufferSize = idxCount;
mRenderOp.indexData->indexBuffer =
Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, mIndexBufferSize, Ogre::HardwareBuffer::HBU_WRITE_ONLY);
}
// Copy all vertices
ImDrawVert* vtxDst = (ImDrawVert*)(bind->getBuffer(0)->lock(Ogre::HardwareBuffer::HBL_DISCARD));
ImDrawIdx* idxDst = (ImDrawIdx*)(mRenderOp.indexData->indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
memcpy(vtxDst, vtxBuf, mVertexBufferSize * sizeof(ImDrawVert));
memcpy(idxDst, idxBuf, mIndexBufferSize * sizeof(ImDrawIdx));
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.vertexData->vertexCount = vtxCount;
mRenderOp.indexData->indexStart = 0;
mRenderOp.indexData->indexCount = idxCount;
bind->getBuffer(0)->unlock();
mRenderOp.indexData->indexBuffer->unlock();
}示例2: memcpy
void OgreImGui::ImGUIRenderable::updateVertexData(ImDrawData* draw_data,unsigned int cmdIndex)
{
Ogre::VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
const ImDrawList* cmd_list = draw_data->CmdLists[cmdIndex];
if (bind->getBindings().empty() || mVertexBufferSize != cmd_list->VtxBuffer.size())
{
mVertexBufferSize = cmd_list->VtxBuffer.size();
bind->setBinding(0,Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(sizeof(ImDrawVert),mVertexBufferSize,Ogre::HardwareBuffer::HBU_WRITE_ONLY));
}
if (mRenderOp.indexData->indexBuffer.isNull() || mIndexBufferSize != cmd_list->IdxBuffer.size())
{
mIndexBufferSize = cmd_list->IdxBuffer.size();
mRenderOp.indexData->indexBuffer=
Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT,mIndexBufferSize,Ogre::HardwareBuffer::HBU_WRITE_ONLY);
}
// Copy all vertices
ImDrawVert* vtx_dst = (ImDrawVert*)(bind->getBuffer(0)->lock(Ogre::HardwareBuffer::HBL_DISCARD));
ImDrawIdx* idx_dst = (ImDrawIdx*)(mRenderOp.indexData->indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
memcpy(vtx_dst, &cmd_list->VtxBuffer[0], mVertexBufferSize * sizeof(ImDrawVert));
memcpy(idx_dst, &cmd_list->IdxBuffer[0], mIndexBufferSize * sizeof(ImDrawIdx));
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.vertexData->vertexCount = cmd_list->VtxBuffer.size();
mRenderOp.indexData->indexStart = 0;
mRenderOp.indexData->indexCount = cmd_list->IdxBuffer.size();
bind->getBuffer(0)->unlock();
mRenderOp.indexData->indexBuffer->unlock();
}