From 3a7e9ff7cd7bb370d667b27abaa8d61421a40354 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Fri, 23 Jan 2015 22:40:04 -0800
Subject: [PATCH] Fixed transient buffer alignment.

---
 include/bgfx.h | 2 +-
 src/bgfx.cpp   | 2 +-
 src/bgfx_p.h   | 8 ++++----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/bgfx.h b/include/bgfx.h
index 1a8059cb0..8a01ff615 100644
--- a/include/bgfx.h
+++ b/include/bgfx.h
@@ -324,8 +324,8 @@ namespace bgfx
 	{
 		uint8_t* data;
 		uint32_t size;
-		IndexBufferHandle handle;
 		uint32_t startIndex;
+		IndexBufferHandle handle;
 	};
 
 	///
diff --git a/src/bgfx.cpp b/src/bgfx.cpp
index 3f2a64387..9435ead64 100644
--- a/src/bgfx.cpp
+++ b/src/bgfx.cpp
@@ -2746,7 +2746,7 @@ again:
 	{
 		BGFX_CHECK_MAIN_THREAD();
 		BX_CHECK(NULL != _tvb, "_tvb can't be NULL");
-		s_ctx->setVertexBuffer(_tvb, _tvb->startVertex + _startVertex, _numVertices);
+		s_ctx->setVertexBuffer(_tvb, _startVertex, _numVertices);
 	}
 
 	void setInstanceDataBuffer(const InstanceDataBuffer* _idb, uint32_t _num)
diff --git a/src/bgfx_p.h b/src/bgfx_p.h
index 4e6725585..f81403411 100644
--- a/src/bgfx_p.h
+++ b/src/bgfx_p.h
@@ -1365,7 +1365,7 @@ namespace bgfx
 
 		void setVertexBuffer(const TransientVertexBuffer* _tvb, uint32_t _startVertex, uint32_t _numVertices)
 		{
-			m_draw.m_startVertex  = _startVertex;
+			m_draw.m_startVertex  = _tvb->startVertex + _startVertex;
 			m_draw.m_numVertices  = bx::uint32_min(_tvb->size/_tvb->stride, _numVertices);
 			m_draw.m_vertexBuffer = _tvb->handle;
 			m_draw.m_vertexDecl   = _tvb->decl;
@@ -2017,7 +2017,7 @@ namespace bgfx
 		BGFX_API_FUNC(DynamicIndexBufferHandle createDynamicIndexBuffer(uint32_t _num, uint8_t _flags) )
 		{
 			DynamicIndexBufferHandle handle = BGFX_INVALID_HANDLE;
-			uint32_t size = BX_ALIGN_16(_num*2);
+			uint32_t size = BX_ALIGN_16( (_num+1)*2);
 
 			uint64_t ptr = 0;
 			if (0 != (_flags & BGFX_BUFFER_COMPUTE_WRITE))
@@ -2334,8 +2334,8 @@ namespace bgfx
 			uint32_t offset = m_submit->allocTransientVertexBuffer(_num, _decl.m_stride);
 
 			_tvb->data = &dvb.data[offset];
-			_tvb->size = _num * _decl.m_stride;
-			_tvb->startVertex = offset/_decl.m_stride;
+			_tvb->size = (_num+1) * _decl.m_stride;
+			_tvb->startVertex = strideAlign(offset, _decl.m_stride)/_decl.m_stride;
 			_tvb->stride = _decl.m_stride;
 			_tvb->handle = dvb.handle;
 			_tvb->decl   = declHandle;