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Merging r6493 through r6517 from trunk to ogl-es branch

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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6518 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2023-08-03 19:12:11 +00:00
parent 1de0ec5459
commit e9c494503d
16 changed files with 216 additions and 85 deletions
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92
include/CDynamicMeshBuffer.h
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@@ -108,17 +108,97 @@ namespace scene
\param numVertices Number of vertices in the array.
\param indices Pointer to index array.
\param numIndices Number of indices in array. */
virtual void append(const void* const vertices, u32 numVertices, const u16* const indices, u32 numIndices) IRR_OVERRIDE
virtual void append(const void* const vertices, u32 numVertices, const u16* const indices, u32 numIndices, bool updateBoundingBox=true) IRR_OVERRIDE
{
// TODO
// We simply assume it has the same vertex and index type as this object. If other types are passed this will crash
append(getVertexType(), vertices, numVertices, getIndexType(), indices, numIndices, updateBoundingBox);
}
//! Append the meshbuffer to the current buffer
/** Only works for compatible vertex types
\param other Buffer to append to this one. */
virtual void append(const IMeshBuffer* const other) IRR_OVERRIDE
/** \param other Buffer to append to this one. */
virtual void append(const IMeshBuffer* const other, bool updateBoundingBox=true) IRR_OVERRIDE
{
// TODO
append(other->getVertexType(), other->getVertices(), other->getVertexCount(), other->getIndexType(), other->getIndices(), other->getIndexCount(), updateBoundingBox);
}
void append(video::E_VERTEX_TYPE vertexType, const void* const vertices, u32 numVertices, video::E_INDEX_TYPE indexType, const void* const indices, u32 numIndices, bool updateBoundingBox)
{
if (vertices == getVertices() || indices == getIndices()) // can't do that because we're doing reallocations on those blocks
return;
const u32 vertexCount = getVertexCount();
VertexBuffer->reallocate(vertexCount+numVertices, false);
if ( vertexType == getVertexType() )
{
const irr::u32 typeSize = getVertexPitchFromType(vertexType);
VertexBuffer->set_used(vertexCount+numVertices);
irr::u8* target = &static_cast<irr::u8*>(VertexBuffer->pointer())[vertexCount*typeSize];
memcpy(target, vertices, numVertices*typeSize);
}
else
{
switch ( vertexType )
{
case video::EVT_STANDARD:
for (u32 i=0; i<numVertices; ++i)
{
VertexBuffer->push_back(static_cast<const video::S3DVertex*>(vertices)[i]);
}
break;
case video::EVT_2TCOORDS:
for (u32 i=0; i<numVertices; ++i)
{
VertexBuffer->push_back(static_cast<const video::S3DVertex2TCoords*>(vertices)[i]);
}
break;
case video::EVT_TANGENTS:
for (u32 i=0; i<numVertices; ++i)
{
VertexBuffer->push_back(static_cast<const video::S3DVertexTangents*>(vertices)[i]);
}
break;
}
}
if ( updateBoundingBox && numVertices > 0)
{
if ( vertexCount == 0 )
BoundingBox.reset( static_cast<const video::S3DVertex*>(vertices)[0].Pos );
const u32 typePitch = getVertexPitchFromType(vertexType);
const irr::u8* v8 = static_cast<const irr::u8*>(vertices);
for (u32 i=0; i<numVertices; ++i, v8 += typePitch)
{
BoundingBox.addInternalPoint(reinterpret_cast<const video::S3DVertex*>(v8)->Pos);
}
}
IndexBuffer->reallocate(getIndexCount()+numIndices, false);
switch ( indexType )
{
case video::EIT_16BIT:
{
const irr::u16* indices16 = reinterpret_cast<const irr::u16*>(indices);
for (u32 i=0; i<numIndices; ++i)
{
// Note: This can overflow, not checked. Will result in broken models, but no crashes.
IndexBuffer->push_back(indices16[i]+vertexCount);
}
break;
}
case video::EIT_32BIT:
{
const irr::u32* indices32 = reinterpret_cast<const irr::u32*>(indices);
for (u32 i=0; i<numIndices; ++i)
{
IndexBuffer->push_back(indices32[i]+vertexCount);
}
break;
}
}
setDirty();
}