1 files changed, 107 insertions, 0 deletions
diff --git a/Runtime/GfxDevice/null/GfxNullVBO.cpp b/Runtime/GfxDevice/null/GfxNullVBO.cpp
new file mode 100644
index 0000000..b624160
--- /dev/null
+++ b/Runtime/GfxDevice/null/GfxNullVBO.cpp
@@ -0,0 +1,107 @@
+#include "UnityPrefix.h"
+#include "Runtime/Shaders/VBO.h"
+#include "GfxNullVBO.h"
+#include "Runtime/GfxDevice/GfxDevice.h"
+
+
+
+void GfxNullVBO::UpdateVertexData( const VertexBufferData& buffer )
+{
+	BufferAccessibleVertexData(buffer);
+		}
+
+void GfxNullVBO::UpdateIndexData (const IndexBufferData& buffer)
+{
+}
+
+void GfxNullVBO::DrawVBO (const ChannelAssigns& channels, UInt32 firstIndexByte, UInt32 indexCount, GfxPrimitiveType topology, UInt32 firstVertex, UInt32 vertexCount )
+{
+}
+#if GFX_ENABLE_DRAW_CALL_BATCHING
+	void GfxNullVBO::DrawCustomIndexed( const ChannelAssigns& channels, void* indices, UInt32 indexCount,
+								   GfxPrimitiveType topology, UInt32 vertexRangeBegin, UInt32 vertexRangeEnd, UInt32 drawVertexCount )
+	{
+	}
+#endif
+
+
+bool GfxDynamicNullVBO::GetChunk( UInt32 shaderChannelMask, UInt32 maxVertices, UInt32 maxIndices, RenderMode renderMode, void** outVB, void** outIB )
+{
+	AssertIf(this->m_LendedChunk);
+	AssertIf((maxVertices >= 65536) || (maxIndices >= (65536 * 3)));
+	bool indexed = IsIndexed(renderMode);
+	DebugAssertIf(indexed && (outIB == NULL));
+	DebugAssertIf(!indexed && ((maxIndices != 0) || (outIB != NULL)));
+	
+	this->m_LendedChunk = true;
+	this->m_LastChunkShaderChannelMask = shaderChannelMask;
+	this->m_LastRenderMode = renderMode;
+
+	if (maxVertices == 0)
+	{
+		maxVertices = 8;
+	}
+	
+	this->m_LastChunkStride = 0;
+
+	for (int i = 0; i < kShaderChannelCount; ++i)
+	{
+		if (shaderChannelMask & (1 << i))
+		{
+			this->m_LastChunkStride += GfxNullVBO::GetDefaultChannelByteSize(i);
+		}
+	}
+
+	//
+
+	DebugAssertIf(NULL == outVB);
+
+	UInt32 vbCapacity = (maxVertices * this->m_LastChunkStride);
+
+	if (vbCapacity > this->vertexBufferSize)
+	{
+		delete[] this->vertexBuffer;
+		this->vertexBuffer = new UInt8[vbCapacity];
+		this->vertexBufferSize = vbCapacity;
+	}
+
+	*outVB = this->vertexBuffer;
+
+	//
+	
+	if (maxIndices && indexed)
+	{
+		UInt32 ibCapacity = maxIndices * kVBOIndexSize;
+
+		if (ibCapacity > this->indexBufferSize)
+		{
+			delete[] this->indexBuffer;
+			this->indexBuffer = new UInt8[ibCapacity];
+			this->indexBufferSize = ibCapacity;
+		}
+
+		*outIB = this->indexBuffer;
+	}
+
+	//
+
+	return true;
+}
+
+void GfxDynamicNullVBO::ReleaseChunk( UInt32 actualVertices, UInt32 actualIndices )
+{
+	AssertIf(!m_LendedChunk);
+	this->m_LendedChunk = false;
+	
+	this->m_LastChunkVertices = actualVertices;
+	this->m_LastChunkIndices = actualIndices;
+	
+	if (!actualVertices || (IsIndexed(m_LastRenderMode) && !actualIndices))
+	{
+		this->m_LastChunkShaderChannelMask = 0;
+	}
+}
+
+void GfxDynamicNullVBO::DrawChunk (const ChannelAssigns& channels)
+{
+}