Stop doing nastly shit to OpenGL stream buffers.

Instead we keep the loaded vertices in CPU memory.

1 files changed, 5 insertions, 1 deletions

diff --git a/Source/Core/VideoCommon/VertexLoaderManager.cpp b/Source/Core/VideoCommon/VertexLoaderManager.cpp
index 9cc8861186..e0115a0d29 100644
--- a/Source/Core/VideoCommon/VertexLoaderManager.cpp
+++ b/Source/Core/VideoCommon/VertexLoaderManager.cpp
@@ -157,8 +157,12 @@ int RunVertices(int vtx_attr_group, int primitive, int count, DataReader src, bo
 		VertexManager::Flush();
 	s_current_vtx_fmt = loader->m_native_vertex_format;
 
+	// if cull mode is CULL_ALL, tell VertexManager to skip triangles and quads.
+	// They still need to go through vertex loading, because we need to calculate a zfreeze refrence slope.
+	bool cullall = (bpmem.genMode.cullmode == GenMode::CULL_ALL && primitive < 5);
+
 	DataReader dst = VertexManager::PrepareForAdditionalData(primitive, count,
-			loader->m_native_vtx_decl.stride);
+			loader->m_native_vtx_decl.stride, cullall);
 
 	count = loader->RunVertices(primitive, count, src, dst);