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| author | Pierre Bourdon <delroth@gmail.com> | 2015-01-25 18:18:49 +0100 |
|---|---|---|
| committer | Pierre Bourdon <delroth@gmail.com> | 2015-01-25 18:18:49 +0100 |
| commit | a93433a860af23ca862fe3f1f0e58d1ea6dfd9d4 (patch) | |
| tree | bd58ae03674e565a8d0d6958d9621a7b592a1667 /Source/Core/VideoCommon | |
| parent | 0aef1d27aa03e79e2cecb96a3bbf540f3ddb4aa0 (diff) | |
| parent | 61215e718028de2d4b0e302f2226e43d0051876f (diff) | |
Merge pull request #1960 from phire/zfreeze-buffer-underrun
Fix a buffer underrun in CalculateZSlope.
Diffstat (limited to 'Source/Core/VideoCommon')
| -rw-r--r-- | Source/Core/VideoCommon/VertexManagerBase.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Source/Core/VideoCommon/VertexManagerBase.cpp b/Source/Core/VideoCommon/VertexManagerBase.cpp index e34af09bfc..2ebb42122f 100644 --- a/Source/Core/VideoCommon/VertexManagerBase.cpp +++ b/Source/Core/VideoCommon/VertexManagerBase.cpp @@ -287,6 +287,10 @@ void VertexManager::CalculateZSlope(NativeVertexFormat* format) size_t posOff = vert_decl.position.offset; size_t mtxOff = vert_decl.posmtx.offset; + // Make sure the buffer contains at lest 3 vertices. + if ((s_pCurBufferPointer - s_pBaseBufferPointer) < (vert_decl.stride * 3)) + return; + // Lookup vertices of the last rendered triangle and software-transform them // This allows us to determine the depth slope, which will be used if z--freeze // is enabled in the following flush. |