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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /mp/src/utils/nvtristriplib | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/utils/nvtristriplib')
| -rw-r--r-- | mp/src/utils/nvtristriplib/nvtristrip.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/mp/src/utils/nvtristriplib/nvtristrip.h b/mp/src/utils/nvtristriplib/nvtristrip.h new file mode 100644 index 00000000..65ad5ef8 --- /dev/null +++ b/mp/src/utils/nvtristriplib/nvtristrip.h @@ -0,0 +1,124 @@ +#ifndef NVTRISTRIP_H
+#define NVTRISTRIP_H
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+#pragma comment(lib, "nvtristrip")
+
+////////////////////////////////////////////////////////////////////////////////////////
+// Public interface for stripifier
+////////////////////////////////////////////////////////////////////////////////////////
+
+//GeForce1 and 2 cache size
+#define CACHESIZE_GEFORCE1_2 16
+
+//GeForce3 cache size
+#define CACHESIZE_GEFORCE3 24
+
+enum PrimType
+{
+ PT_LIST,
+ PT_STRIP,
+ PT_FAN
+};
+
+struct PrimitiveGroup
+{
+ PrimType type;
+ unsigned int numIndices;
+ unsigned short* indices;
+
+////////////////////////////////////////////////////////////////////////////////////////
+
+ PrimitiveGroup() : type(PT_STRIP), numIndices(0), indices(NULL) {}
+ ~PrimitiveGroup()
+ {
+ if(indices)
+ delete[] indices;
+ indices = NULL;
+ }
+};
+
+////////////////////////////////////////////////////////////////////////////////////////
+// SetCacheSize()
+//
+// Sets the cache size which the stripfier uses to optimize the data.
+// Controls the length of the generated individual strips.
+// This is the "actual" cache size, so 24 for GeForce3 and 16 for GeForce1/2
+// You may want to play around with this number to tweak performance.
+//
+// Default value: 16
+//
+void SetCacheSize(const unsigned int cacheSize);
+
+
+////////////////////////////////////////////////////////////////////////////////////////
+// SetStitchStrips()
+//
+// bool to indicate whether to stitch together strips into one huge strip or not.
+// If set to true, you'll get back one huge strip stitched together using degenerate
+// triangles.
+// If set to false, you'll get back a large number of separate strips.
+//
+// Default value: true
+//
+void SetStitchStrips(const bool bStitchStrips);
+
+
+////////////////////////////////////////////////////////////////////////////////////////
+// SetMinStripSize()
+//
+// Sets the minimum acceptable size for a strip, in triangles.
+// All strips generated which are shorter than this will be thrown into one big, separate list.
+//
+// Default value: 0
+//
+void SetMinStripSize(const unsigned int minSize);
+
+
+////////////////////////////////////////////////////////////////////////////////////////
+// SetListsOnly()
+//
+// If set to true, will return an optimized list, with no strips at all.
+//
+// Default value: false
+//
+void SetListsOnly(const bool bListsOnly);
+
+
+////////////////////////////////////////////////////////////////////////////////////////
+// GenerateStrips()
+//
+// in_indices: input index list, the indices you would use to render
+// in_numIndices: number of entries in in_indices
+// primGroups: array of optimized/stripified PrimitiveGroups
+// numGroups: number of groups returned
+//
+// Be sure to call delete[] on the returned primGroups to avoid leaking mem
+//
+void GenerateStrips(const unsigned short* in_indices, const unsigned int in_numIndices,
+ PrimitiveGroup** primGroups, unsigned short* numGroups);
+
+
+////////////////////////////////////////////////////////////////////////////////////////
+// RemapIndices()
+//
+// Function to remap your indices to improve spatial locality in your vertex buffer.
+//
+// in_primGroups: array of PrimitiveGroups you want remapped
+// numGroups: number of entries in in_primGroups
+// numVerts: number of vertices in your vertex buffer, also can be thought of as the range
+// of acceptable values for indices in your primitive groups.
+// remappedGroups: array of remapped PrimitiveGroups
+//
+// Note that, according to the remapping handed back to you, you must reorder your
+// vertex buffer.
+//
+// Credit goes to the MS Xbox crew for the idea for this interface.
+//
+void RemapIndices(const PrimitiveGroup* in_primGroups, const unsigned short numGroups,
+ const unsigned short numVerts, PrimitiveGroup** remappedGroups);
+
+#endif
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