Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 156 insertions, 0 deletions

diff --git a/PhysX_3.4/Samples/SampleFramework/renderer/src/RendererVertexBuffer.cpp b/PhysX_3.4/Samples/SampleFramework/renderer/src/RendererVertexBuffer.cpp
new file mode 100644
index 00000000..c6bb4528
--- /dev/null
+++ b/PhysX_3.4/Samples/SampleFramework/renderer/src/RendererVertexBuffer.cpp
@@ -0,0 +1,156 @@
+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
+#include <RendererVertexBuffer.h>
+#include <RendererVertexBufferDesc.h>
+
+using namespace SampleRenderer;
+
+PxU32 RendererVertexBuffer::getFormatByteSize(Format format)
+{
+	PxU32 size = 0;
+	switch(format)
+	{
+	case FORMAT_FLOAT1:   		size = sizeof(float) * 1; break;
+	case FORMAT_FLOAT2:   		size = sizeof(float) * 2; break;
+	case FORMAT_FLOAT3:   		size = sizeof(float) * 3; break;
+	case FORMAT_FLOAT4:   		size = sizeof(float) * 4; break;
+	case FORMAT_UBYTE4:   		size = sizeof(PxU8)  * 4; break;
+	case FORMAT_USHORT4:  		size = sizeof(PxU16) * 4; break;
+	case FORMAT_COLOR_BGRA:		size = sizeof(PxU8)  * 4; break;
+	case FORMAT_COLOR_RGBA:		size = sizeof(PxU8)  * 4; break;
+	case FORMAT_COLOR_NATIVE:	size = sizeof(PxU8)  * 4; break;
+	default: break;
+	}
+	RENDERER_ASSERT(size, "Unable to determine size of Format.");
+	return size;
+}
+
+RendererVertexBuffer::RendererVertexBuffer(const RendererVertexBufferDesc &desc) :
+RendererInteropableBuffer(desc.registerInCUDA, desc.interopContext),	
+	m_hint(desc.hint),
+	m_deferredUnlock(desc.interopContext == NULL)
+{
+	m_maxVertices      = 0;
+	m_stride           = 0;
+	m_lockedBuffer     = 0;
+	m_numSemanticLocks = 0;
+
+	for(PxU32 i=0; i<NUM_SEMANTICS; i++)
+	{
+		Format format = desc.semanticFormats[i];
+		if(format < NUM_FORMATS)
+		{
+			SemanticDesc &sm  = m_semanticDescs[i];
+			sm.format         = format;
+			sm.offset         = m_stride;
+			m_stride         += getFormatByteSize(format);
+		}
+	}
+}
+
+RendererVertexBuffer::~RendererVertexBuffer(void)
+{
+	RENDERER_ASSERT(m_numSemanticLocks==0, "VertexBuffer had outstanding locks during destruction!");
+}
+
+PxU32 RendererVertexBuffer::getMaxVertices(void) const
+{
+	return m_maxVertices;
+}
+
+RendererVertexBuffer::Hint RendererVertexBuffer::getHint(void) const
+{
+	return m_hint;
+}
+
+RendererVertexBuffer::Format RendererVertexBuffer::getFormatForSemantic(Semantic semantic) const
+{
+	RENDERER_ASSERT(semantic < NUM_SEMANTICS, "Invalid VertexBuffer Semantic!");
+	return m_semanticDescs[semantic].format;
+}
+
+void *RendererVertexBuffer::lockSemantic(Semantic semantic, PxU32 &stride)
+{
+	void *semanticBuffer = 0;
+	RENDERER_ASSERT(semantic < NUM_SEMANTICS, "Invalid VertexBuffer Semantic!");
+	if(semantic < NUM_SEMANTICS)
+	{
+		SemanticDesc &sm = m_semanticDescs[semantic];
+		RENDERER_ASSERT(!sm.locked,              "VertexBuffer Semantic already locked.");
+		RENDERER_ASSERT(sm.format < NUM_FORMATS, "VertexBuffer does not use this semantic.");
+		if(!sm.locked && sm.format < NUM_FORMATS)
+		{
+			if(!m_lockedBuffer && !m_numSemanticLocks)
+			{
+				m_lockedBuffer = lock();
+			}
+			RENDERER_ASSERT(m_lockedBuffer, "Unable to lock VertexBuffer!");
+			if(m_lockedBuffer)
+			{
+				m_numSemanticLocks++;
+				sm.locked        = true;
+				semanticBuffer   = ((PxU8*)m_lockedBuffer) + sm.offset;
+				stride           = m_stride;
+			}
+		}
+	}
+	return semanticBuffer;
+}
+
+void RendererVertexBuffer::unlockSemantic(Semantic semantic)
+{
+	RENDERER_ASSERT(semantic < NUM_SEMANTICS, "Invalid VertexBuffer Semantic!");
+	if(semantic < NUM_SEMANTICS)
+	{
+		SemanticDesc &sm = m_semanticDescs[semantic];
+		RENDERER_ASSERT(m_lockedBuffer && m_numSemanticLocks && sm.locked, "Trying to unlock a semantic that was not locked.");
+		if(m_lockedBuffer && m_numSemanticLocks && sm.locked)
+		{
+			if(m_lockedBuffer && semantic == SEMANTIC_COLOR)
+			{
+				swizzleColor(((PxU8*)m_lockedBuffer)+sm.offset, m_stride, m_maxVertices, sm.format);
+			}
+			sm.locked = false;
+			m_numSemanticLocks--;
+		}
+		if(m_lockedBuffer && m_numSemanticLocks == 0 && m_deferredUnlock == false)
+		{
+			unlock();
+			m_lockedBuffer = 0;
+		}
+	}
+}
+
+void RendererVertexBuffer::prepareForRender(void)
+{
+	if(m_lockedBuffer && m_numSemanticLocks == 0)
+	{
+		unlock();
+		m_lockedBuffer = 0;
+	}
+	RENDERER_ASSERT(m_lockedBuffer==0, "Vertex Buffer locked during usage!");
+}