//---------------------------------------------------------------------
void BorderPanelOverlayElement::initialise(void)
{
bool init = !mInitialised;
// init mRenderOp2 before calling superclass, as virtual _restoreManualHardwareResources would be called within
if (init)
{
// Setup render op in advance
mRenderOp2.vertexData = OGRE_NEW VertexData();
mRenderOp2.vertexData->vertexCount = 4 * 8; // 8 cells, can't necessarily share vertices cos
// texcoords may differ
mRenderOp2.vertexData->vertexStart = 0;
// Vertex declaration
VertexDeclaration* decl = mRenderOp2.vertexData->vertexDeclaration;
// Position and texture coords each have their own buffers to allow
// each to be edited separately with the discard flag
decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);
decl->addElement(TEXCOORD_BINDING, 0, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
// Index data
mRenderOp2.operationType = RenderOperation::OT_TRIANGLE_LIST;
mRenderOp2.useIndexes = true;
mRenderOp2.indexData = OGRE_NEW IndexData();
mRenderOp2.indexData->indexCount = 8 * 6;
mRenderOp2.indexData->indexStart = 0;
mRenderOp2.useGlobalInstancingVertexBufferIsAvailable = false;
// Create sub-object for rendering border
mBorderRenderable = OGRE_NEW BorderRenderable(this);
}
// superclass will handle the interior panel area and call _restoreManualHardwareResources
PanelOverlayElement::initialise();
}
//---------------------------------------------------------------------
void BorderPanelOverlayElement::initialise(void)
{
bool init = !mInitialised;
PanelOverlayElement::initialise();
// superclass will handle the interior panel area
if (init)
{
// Setup render op in advance
mRenderOp2.vertexData = OGRE_NEW VertexData();
mRenderOp2.vertexData->vertexCount = 4 * 8; // 8 cells, can't necessarily share vertices cos
// texcoords may differ
mRenderOp2.vertexData->vertexStart = 0;
// Vertex declaration
VertexDeclaration* decl = mRenderOp2.vertexData->vertexDeclaration;
// Position and texture coords each have their own buffers to allow
// each to be edited separately with the discard flag
decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);
decl->addElement(TEXCOORD_BINDING, 0, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
// Vertex buffer #1, position
HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton()
.createVertexBuffer(
decl->getVertexSize(POSITION_BINDING),
mRenderOp2.vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// bind position
VertexBufferBinding* binding = mRenderOp2.vertexData->vertexBufferBinding;
binding->setBinding(POSITION_BINDING, vbuf);
// Vertex buffer #2, texcoords
vbuf = HardwareBufferManager::getSingleton()
.createVertexBuffer(
decl->getVertexSize(TEXCOORD_BINDING),
mRenderOp2.vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY, true);
// bind texcoord
binding->setBinding(TEXCOORD_BINDING, vbuf);
mRenderOp2.operationType = RenderOperation::OT_TRIANGLE_LIST;
mRenderOp2.useIndexes = true;
// Index data
mRenderOp2.indexData = OGRE_NEW IndexData();
mRenderOp2.indexData->indexCount = 8 * 6;
mRenderOp2.indexData->indexStart = 0;
mRenderOp2.useGlobalInstancingVertexBufferIsAvailable = false;
/* Each cell is
0-----2
| /|
| / |
|/ |
1-----3
*/
mRenderOp2.indexData->indexBuffer = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
mRenderOp2.indexData->indexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ushort* pIdx = static_cast<ushort*>(
mRenderOp2.indexData->indexBuffer->lock(
0,
mRenderOp2.indexData->indexBuffer->getSizeInBytes(),
HardwareBuffer::HBL_DISCARD) );
for (ushort cell = 0; cell < 8; ++cell)
{
ushort base = cell * 4;
*pIdx++ = base;
*pIdx++ = base + 1;
*pIdx++ = base + 2;
*pIdx++ = base + 2;
*pIdx++ = base + 1;
*pIdx++ = base + 3;
}
mRenderOp2.indexData->indexBuffer->unlock();
// Create sub-object for rendering border
mBorderRenderable = OGRE_NEW BorderRenderable(this);
mInitialised = true;
}
}
