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Put all pieces together and clean up leftover code

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sfan5 2024-08-28 21:46:52 +02:00
parent 6b7fc1e9fe
commit 62131fe295
11 changed files with 105 additions and 169 deletions
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26
irr/include/IIndexBuffer.h
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@ -7,6 +7,7 @@
#include "IReferenceCounted.h"
#include "irrArray.h"
#include "EHardwareBufferFlags.h"
#include "EPrimitiveTypes.h"
#include "SVertexIndex.h"
namespace irr
@ -50,6 +51,31 @@ public:
//! Used by the VideoDriver to remember the buffer link.
virtual void setHWBuffer(void *ptr) const = 0;
virtual void *getHWBuffer() const = 0;
//! Calculate how many geometric primitives would be drawn
u32 getPrimitiveCount(E_PRIMITIVE_TYPE primitiveType) const
{
const u32 indexCount = getCount();
switch (primitiveType) {
case scene::EPT_POINTS:
return indexCount;
case scene::EPT_LINE_STRIP:
return indexCount - 1;
case scene::EPT_LINE_LOOP:
return indexCount;
case scene::EPT_LINES:
return indexCount / 2;
case scene::EPT_TRIANGLE_STRIP:
return (indexCount - 2);
case scene::EPT_TRIANGLE_FAN:
return (indexCount - 2);
case scene::EPT_TRIANGLES:
return indexCount / 3;
case scene::EPT_POINT_SPRITES:
return indexCount;
}
return 0;
}
};
} // end namespace scene