diff --git a/examples/08-update/update.cpp b/examples/08-update/update.cpp
index d03154e0..8e046df1 100644
--- a/examples/08-update/update.cpp
+++ b/examples/08-update/update.cpp
@@ -293,8 +293,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 	const uint32_t textureSide = 2048;
 
 	bgfx::TextureHandle textureCube = 
-		bgfx::createTextureCube(6
-			, textureSide
+		bgfx::createTextureCube(textureSide
 			, 1
 			, bgfx::TextureFormat::BGRA8
 			, BGFX_TEXTURE_MIN_POINT|BGFX_TEXTURE_MAG_POINT|BGFX_TEXTURE_MIP_POINT
diff --git a/examples/common/cube_atlas.cpp b/examples/common/cube_atlas.cpp
index fa73e4dc..15d91b98 100644
--- a/examples/common/cube_atlas.cpp
+++ b/examples/common/cube_atlas.cpp
@@ -274,8 +274,7 @@ Atlas::Atlas(uint16_t _textureSize, uint16_t _maxRegionsCount)
 	m_textureBuffer = new uint8_t[ _textureSize * _textureSize * 6 * 4 ];
 	memset(m_textureBuffer, 0, _textureSize * _textureSize * 6 * 4);
 
-	m_textureHandle = bgfx::createTextureCube(6
-		, _textureSize
+	m_textureHandle = bgfx::createTextureCube(_textureSize
 		, 1
 		, bgfx::TextureFormat::BGRA8
 		);
@@ -298,8 +297,7 @@ Atlas::Atlas(uint16_t _textureSize, const uint8_t* _textureBuffer, uint16_t _reg
 	memcpy(m_regions, _regionBuffer, _regionCount * sizeof(AtlasRegion) );
 	memcpy(m_textureBuffer, _textureBuffer, getTextureBufferSize() );
 
-	m_textureHandle = bgfx::createTextureCube(6
-		, _textureSize
+	m_textureHandle = bgfx::createTextureCube(_textureSize
 		, 1
 		, bgfx::TextureFormat::BGRA8
 		, BGFX_TEXTURE_NONE
diff --git a/examples/common/fpumath.h b/examples/common/fpumath.h
index 8ed6a24b..b83543a8 100644
--- a/examples/common/fpumath.h
+++ b/examples/common/fpumath.h
@@ -492,7 +492,7 @@ inline void mtxViewFlipHandedness(float* __restrict _dst, const float* __restric
 	_dst[15] =  _src[15];
 }
 
-inline void calcPlane(float _result[4], float _va[3], float _vb[3], float _vc[3])
+inline void calcNormal(float _result[3], float _va[3], float _vb[3], float _vc[3])
 {
 	float ba[3];
 	vec3Sub(ba, _vb, _va);
@@ -503,8 +503,13 @@ inline void calcPlane(float _result[4], float _va[3], float _vb[3], float _vc[3]
 	float baxca[3];
 	vec3Cross(baxca, ba, ca);
 
+	vec3Norm(_result, baxca);
+}
+
+inline void calcPlane(float _result[4], float _va[3], float _vb[3], float _vc[3])
+{
 	float normal[3];
-	vec3Norm(normal, baxca);
+	calcNormal(normal, _va, _vb, _vc);
 
 	_result[0] = normal[0];
 	_result[1] = normal[1];
diff --git a/include/bgfx.h b/include/bgfx.h
index d01f10aa..e539422c 100644
--- a/include/bgfx.h
+++ b/include/bgfx.h
@@ -525,6 +525,9 @@ namespace bgfx
 		///
 		void add(Attrib::Enum _attrib, uint8_t _num, AttribType::Enum _type, bool _normalized = false, bool _asInt = false);
 
+		/// Skip _num bytes in vertex stream.
+		void skip(uint8_t _num);
+
 		/// Decode attribute.
 		void decode(Attrib::Enum _attrib, uint8_t& _num, AttribType::Enum& _type, bool& _normalized, bool& _asInt) const;
 
@@ -578,11 +581,12 @@ namespace bgfx
 	///
 	/// @param _width Width of input image (pixels).
 	/// @param _height Height of input image (pixels).
+	/// @param _pitch Pitch of input image (bytes).
 	/// @param _src Source image.
 	/// @param _dst Destination image. Must be the same size as input image.
 	///   _dst might be pointer to the same memory as _src.
 	///
-	void imageSwizzleBgra8(uint32_t _width, uint32_t _height, const void* _src, void* _dst);
+	void imageSwizzleBgra8(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst);
 
 	/// Downsample RGBA8 image with 2x2 pixel average filter.
 	///
@@ -859,23 +863,45 @@ namespace bgfx
 
 	/// Create Cube texture.
 	///
-	/// @param _sides
-	/// @param _width
+	/// @param _size
 	/// @param _numMips
 	/// @param _format
 	/// @param _flags
 	/// @param _mem
 	///
-	TextureHandle createTextureCube(uint16_t _sides, uint16_t _width, uint8_t _numMips, TextureFormat::Enum _format, uint32_t _flags = BGFX_TEXTURE_NONE, const Memory* _mem = NULL);
+	TextureHandle createTextureCube(uint16_t _size, uint8_t _numMips, TextureFormat::Enum _format, uint32_t _flags = BGFX_TEXTURE_NONE, const Memory* _mem = NULL);
 
 	/// Update 2D texture.
-	void updateTexture2D(TextureHandle _handle, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const Memory* _mem);
+	///
+	/// @param _handle
+	/// @param _mip
+	/// @param _x
+	/// @param _y
+	/// @param _width
+	/// @param _height
+	/// @param _mem
+	/// @param _pitch Pitch of input image (bytes). When _pitch is set to
+	///   UINT16_MAX, it will be calculated internally based on _width.
+	///
+	void updateTexture2D(TextureHandle _handle, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const Memory* _mem, uint16_t _pitch = UINT16_MAX);
 
 	/// Update 3D texture.
+	///
+	/// @param _handle
+	/// @param _mip
+	/// @param _x
+	/// @param _y
+	/// @param _z
+	/// @param _width
+	/// @param _height
+	/// @param _depth
+	/// @param _mem
+	///
 	void updateTexture3D(TextureHandle _handle, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _z, uint16_t _width, uint16_t _height, uint16_t _depth, const Memory* _mem);
 
 	/// Update Cube texture.
 	///
+	/// @param _handle
 	/// @param _side Cubemap side, where 0 is +X, 1 is -X, 2 is +Y, 3 is
 	///   -Y, 4 is +Z, and 5 is -Z.
 	///
@@ -896,7 +922,16 @@ namespace bgfx
 	///              | +---->+x |
 	///              +----------+
 	///
-	void updateTextureCube(TextureHandle _handle, uint8_t _side, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const Memory* _mem);
+	/// @param _mip
+	/// @param _x
+	/// @param _y
+	/// @param _width
+	/// @param _height
+	/// @param _mem
+	/// @param _pitch Pitch of input image (bytes). When _pitch is set to
+	///   UINT16_MAX, it will be calculated internally based on _width.
+	///
+	void updateTextureCube(TextureHandle _handle, uint8_t _side, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const Memory* _mem, uint16_t _pitch = UINT16_MAX);
 
 	/// Destroy texture.
 	void destroyTexture(TextureHandle _handle);
diff --git a/src/bgfx.cpp b/src/bgfx.cpp
index 5e9f76e0..4256a484 100644
--- a/src/bgfx.cpp
+++ b/src/bgfx.cpp
@@ -1113,6 +1113,9 @@ namespace bgfx
 				uint16_t depth;
 				_cmdbuf.read(depth);
 
+				uint16_t pitch;
+				_cmdbuf.read(pitch);
+
 				Memory* mem;
 				_cmdbuf.read(mem);
 
@@ -1127,7 +1130,7 @@ namespace bgfx
 					rendererUpdateTextureBegin(handle, side, mip);
 				}
 
-				rendererUpdateTexture(handle, side, mip, rect, zz, depth, mem);
+				rendererUpdateTexture(handle, side, mip, rect, zz, depth, pitch, mem);
 
 				release(mem);
 			}
@@ -1452,7 +1455,12 @@ namespace bgfx
 					uint8_t mip;
 					_cmdbuf.read(mip);
 
-					_cmdbuf.skip(sizeof(Rect)+sizeof(uint16_t)+sizeof(uint16_t)+sizeof(Memory*) );
+					_cmdbuf.skip(sizeof(Rect)
+						+ sizeof(uint16_t)
+						+ sizeof(uint16_t)
+						+ sizeof(uint16_t)
+						+ sizeof(Memory*)
+						);
 
 					uint32_t key = (handle.idx<<16)
 						| (side<<8)
@@ -1907,7 +1915,7 @@ namespace bgfx
 		return s_ctx->createTexture(mem, _flags, NULL);
 	}
 
-	TextureHandle createTextureCube(uint16_t _sides, uint16_t _width, uint8_t _numMips, TextureFormat::Enum _format, uint32_t _flags, const Memory* _mem)
+	TextureHandle createTextureCube(uint16_t _size, uint8_t _numMips, TextureFormat::Enum _format, uint32_t _flags, const Memory* _mem)
 	{
 		BGFX_CHECK_MAIN_THREAD();
 
@@ -1915,7 +1923,7 @@ namespace bgfx
 		if (NULL != _mem)
 		{
 			TextureInfo ti;
-			calcTextureSize(ti, _width, _width, 1, _numMips, _format);
+			calcTextureSize(ti, _size, _size, 1, _numMips, _format);
 			BX_CHECK(ti.storageSize*_sides == _mem->size
 				, "createTextureCube: Texture storage size doesn't match passed memory size (storage size: %d, memory size: %d)"
 				, ti.storageSize*_sides
@@ -1933,9 +1941,9 @@ namespace bgfx
 
 		TextureCreate tc;
 		tc.m_flags = _flags;
-		tc.m_width = _width;
-		tc.m_height = _width;
-		tc.m_sides = _sides;
+		tc.m_width = _size;
+		tc.m_height = _size;
+		tc.m_sides = 6;
 		tc.m_depth = 0;
 		tc.m_numMips = _numMips;
 		tc.m_format = uint8_t(_format);
@@ -1952,7 +1960,7 @@ namespace bgfx
 		s_ctx->destroyTexture(_handle);
 	}
 
-	void updateTexture2D(TextureHandle _handle, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const Memory* _mem)
+	void updateTexture2D(TextureHandle _handle, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const Memory* _mem, uint16_t _pitch)
 	{
 		BGFX_CHECK_MAIN_THREAD();
 		BX_CHECK(NULL != _mem, "_mem can't be NULL");
@@ -1963,7 +1971,7 @@ namespace bgfx
 		}
 		else
 		{
-			s_ctx->updateTexture(_handle, 0, _mip, _x, _y, 0, _width, _height, 1, _mem);
+			s_ctx->updateTexture(_handle, 0, _mip, _x, _y, 0, _width, _height, 1, _pitch, _mem);
 		}
 	}
 
@@ -1979,11 +1987,11 @@ namespace bgfx
 		}
 		else
 		{
-			s_ctx->updateTexture(_handle, 0, _mip, _x, _y, _z, _width, _height, _depth, _mem);
+			s_ctx->updateTexture(_handle, 0, _mip, _x, _y, _z, _width, _height, _depth, UINT16_MAX, _mem);
 		}
 	}
 
-	void updateTextureCube(TextureHandle _handle, uint8_t _side, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const Memory* _mem)
+	void updateTextureCube(TextureHandle _handle, uint8_t _side, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const Memory* _mem, uint16_t _pitch)
 	{
 		BGFX_CHECK_MAIN_THREAD();
 		BX_CHECK(NULL != _mem, "_mem can't be NULL");
@@ -1995,7 +2003,7 @@ namespace bgfx
 		}
 		else
 		{
-			s_ctx->updateTexture(_handle, _side, _mip, _x, _y, 0, _width, _height, 1, _mem);
+			s_ctx->updateTexture(_handle, _side, _mip, _x, _y, 0, _width, _height, 1, _pitch, _mem);
 		}
 	}
 
diff --git a/src/bgfx_p.h b/src/bgfx_p.h
index 9e7815e9..675c299a 100644
--- a/src/bgfx_p.h
+++ b/src/bgfx_p.h
@@ -2192,7 +2192,7 @@ namespace bgfx
 			m_submit->free(_handle);
 		}
 
-		BGFX_API_FUNC(void updateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _z, uint16_t _width, uint16_t _height, uint16_t _depth, const Memory* _mem) )
+		BGFX_API_FUNC(void updateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _z, uint16_t _width, uint16_t _height, uint16_t _depth, uint16_t _pitch, const Memory* _mem) )
 		{
 			CommandBuffer& cmdbuf = getCommandBuffer(CommandBuffer::UpdateTexture);
 			cmdbuf.write(_handle);
@@ -2206,6 +2206,7 @@ namespace bgfx
 			cmdbuf.write(rect);
 			cmdbuf.write(_z);
 			cmdbuf.write(_depth);
+			cmdbuf.write(_pitch);
 			cmdbuf.write(_mem);
 		}
 
@@ -2581,7 +2582,7 @@ namespace bgfx
 		void rendererDestroyProgram(FragmentShaderHandle _handle);
 		void rendererCreateTexture(TextureHandle _handle, Memory* _mem, uint32_t _flags);
 		void rendererUpdateTextureBegin(TextureHandle _handle, uint8_t _side, uint8_t _mip);
-		void rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem);
+		void rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem);
 		void rendererUpdateTextureEnd();
 		void rendererDestroyTexture(TextureHandle _handle);
 		void rendererCreateRenderTarget(RenderTargetHandle _handle, uint16_t _width, uint16_t _height, uint32_t _flags, uint32_t _textureFlags);
diff --git a/src/image.cpp b/src/image.cpp
index 2f3c79ff..b539b2f5 100644
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -198,25 +198,29 @@ namespace bgfx
 		}
 	}
 
-	void imageSwizzleBgra8Ref(uint32_t _width, uint32_t _height, const void* _src, void* _dst)
+	void imageSwizzleBgra8Ref(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
 	{
 		const uint8_t* src = (uint8_t*) _src;
+		const uint8_t* next = src + _pitch;
 		uint8_t* dst = (uint8_t*)_dst;
 
-		for (uint32_t xx = 0, num = _width*_height; xx < num; ++xx, src += 4, dst += 4)
+		for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _pitch)
 		{
-			uint8_t rr = src[0];
-			uint8_t gg = src[1];
-			uint8_t bb = src[2];
-			uint8_t aa = src[3];
-			dst[0] = bb;
-			dst[1] = gg;
-			dst[2] = rr;
-			dst[3] = aa;
+			for (uint32_t xx = 0; xx < _width; ++xx, src += 4, dst += 4)
+			{
+				uint8_t rr = src[0];
+				uint8_t gg = src[1];
+				uint8_t bb = src[2];
+				uint8_t aa = src[3];
+				dst[0] = bb;
+				dst[1] = gg;
+				dst[2] = rr;
+				dst[3] = aa;
+			}
 		}
 	}
 
-	void imageSwizzleBgra8(uint32_t _width, uint32_t _height, const void* _src, void* _dst)
+	void imageSwizzleBgra8(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
 	{
 		// Test can we do four 4-byte pixels at the time.
 		if (0 != (_width&0x3)
@@ -228,29 +232,33 @@ namespace bgfx
 			BX_WARN(bx::isPtrAligned(_src, 16), "Source %p is not 16-byte aligned.", _src);
 			BX_WARN(bx::isPtrAligned(_dst, 16), "Destination %p is not 16-byte aligned.", _dst);
 			BX_WARN(_width < 4, "Image width must be multiple of 4 (width %d).", _width);
-			imageSwizzleBgra8Ref(_width, _height, _src, _dst);
+			imageSwizzleBgra8Ref(_width, _height, _pitch, _src, _dst);
 			return;
 		}
 
-		const uint32_t dstpitch = _width*4;
-
 		using namespace bx;
 
 		const float4_t mf0f0 = float4_isplat(0xff00ff00);
 		const float4_t m0f0f = float4_isplat(0x00ff00ff);
 		const uint8_t* src = (uint8_t*) _src;
+		const uint8_t* next = src + _pitch;
 		uint8_t* dst = (uint8_t*)_dst;
 
-		for (uint32_t xx = 0, num = dstpitch/16*_height; xx < num; ++xx, src += 16, dst += 16)
+		const uint32_t width = _width/4;
+
+		for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _pitch)
 		{
-			const float4_t tabgr = float4_ld(src);
-			const float4_t t00ab = float4_srl(tabgr, 16);
-			const float4_t tgr00 = float4_sll(tabgr, 16);
-			const float4_t tgrab = float4_or(t00ab, tgr00);
-			const float4_t ta0g0 = float4_and(tabgr, mf0f0);
-			const float4_t t0r0b = float4_and(tgrab, m0f0f);
-			const float4_t targb = float4_or(ta0g0, t0r0b);
-			float4_st(dst, targb);
+			for (uint32_t xx = 0; xx < width; ++xx, src += 16, dst += 16)
+			{
+				const float4_t tabgr = float4_ld(src);
+				const float4_t t00ab = float4_srl(tabgr, 16);
+				const float4_t tgr00 = float4_sll(tabgr, 16);
+				const float4_t tgrab = float4_or(t00ab, tgr00);
+				const float4_t ta0g0 = float4_and(tabgr, mf0f0);
+				const float4_t t0r0b = float4_and(tgrab, m0f0f);
+				const float4_t targb = float4_or(ta0g0, t0r0b);
+				float4_st(dst, targb);
+			}
 		}
 	}
 
@@ -1336,13 +1344,12 @@ namespace bgfx
 		return imageParse(_imageContainer, &reader);
 	}
 
-	void imageDecodeToBgra8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint8_t _type)
+	void imageDecodeToBgra8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, uint8_t _type)
 	{
 		const uint8_t* src = _src;
 
-		uint32_t width = _width/4;
+		uint32_t width  = _width/4;
 		uint32_t height = _height/4;
-		uint32_t pitch = _width*4;
 
 		uint8_t temp[16*4];
 
@@ -1356,11 +1363,11 @@ namespace bgfx
 					decodeBlockDxt1(temp, src);
 					src += 8;
 
-					uint8_t* dst = &_dst[(yy*pitch+xx*4)*4];
-					memcpy(&dst[0*pitch], &temp[ 0], 16);
-					memcpy(&dst[1*pitch], &temp[16], 16);
-					memcpy(&dst[2*pitch], &temp[32], 16);
-					memcpy(&dst[3*pitch], &temp[48], 16);
+					uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
+					memcpy(&dst[0*_pitch], &temp[ 0], 16);
+					memcpy(&dst[1*_pitch], &temp[16], 16);
+					memcpy(&dst[2*_pitch], &temp[32], 16);
+					memcpy(&dst[3*_pitch], &temp[48], 16);
 				}
 			}
 			break;
@@ -1375,11 +1382,11 @@ namespace bgfx
 					decodeBlockDxt(temp, src);
 					src += 8;
 
-					uint8_t* dst = &_dst[(yy*pitch+xx*4)*4];
-					memcpy(&dst[0*pitch], &temp[ 0], 16);
-					memcpy(&dst[1*pitch], &temp[16], 16);
-					memcpy(&dst[2*pitch], &temp[32], 16);
-					memcpy(&dst[3*pitch], &temp[48], 16);
+					uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
+					memcpy(&dst[0*_pitch], &temp[ 0], 16);
+					memcpy(&dst[1*_pitch], &temp[16], 16);
+					memcpy(&dst[2*_pitch], &temp[32], 16);
+					memcpy(&dst[3*_pitch], &temp[48], 16);
 				}
 			}
 			break;
@@ -1394,11 +1401,11 @@ namespace bgfx
 					decodeBlockDxt(temp, src);
 					src += 8;
 
-					uint8_t* dst = &_dst[(yy*pitch+xx*4)*4];
-					memcpy(&dst[0*pitch], &temp[ 0], 16);
-					memcpy(&dst[1*pitch], &temp[16], 16);
-					memcpy(&dst[2*pitch], &temp[32], 16);
-					memcpy(&dst[3*pitch], &temp[48], 16);
+					uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
+					memcpy(&dst[0*_pitch], &temp[ 0], 16);
+					memcpy(&dst[1*_pitch], &temp[16], 16);
+					memcpy(&dst[2*_pitch], &temp[32], 16);
+					memcpy(&dst[3*_pitch], &temp[48], 16);
 				}
 			}
 			break;
@@ -1411,11 +1418,11 @@ namespace bgfx
 					decodeBlockDxt45A(temp, src);
 					src += 8;
 
-					uint8_t* dst = &_dst[(yy*pitch+xx*4)*4];
-					memcpy(&dst[0*pitch], &temp[ 0], 16);
-					memcpy(&dst[1*pitch], &temp[16], 16);
-					memcpy(&dst[2*pitch], &temp[32], 16);
-					memcpy(&dst[3*pitch], &temp[48], 16);
+					uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
+					memcpy(&dst[0*_pitch], &temp[ 0], 16);
+					memcpy(&dst[1*_pitch], &temp[16], 16);
+					memcpy(&dst[2*_pitch], &temp[32], 16);
+					memcpy(&dst[3*_pitch], &temp[48], 16);
 				}
 			}
 			break;
@@ -1439,11 +1446,11 @@ namespace bgfx
 						temp[ii*4+3] = 0;
 					}
 
-					uint8_t* dst = &_dst[(yy*pitch+xx*4)*4];
-					memcpy(&dst[0*pitch], &temp[ 0], 16);
-					memcpy(&dst[1*pitch], &temp[16], 16);
-					memcpy(&dst[2*pitch], &temp[32], 16);
-					memcpy(&dst[3*pitch], &temp[48], 16);
+					uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
+					memcpy(&dst[0*_pitch], &temp[ 0], 16);
+					memcpy(&dst[1*_pitch], &temp[16], 16);
+					memcpy(&dst[2*_pitch], &temp[32], 16);
+					memcpy(&dst[3*_pitch], &temp[48], 16);
 				}
 			}
 			break;
@@ -1457,11 +1464,11 @@ namespace bgfx
 					decodeBlockEtc12(temp, src);
 					src += 8;
 
-					uint8_t* dst = &_dst[(yy*pitch+xx*4)*4];
-					memcpy(&dst[0*pitch], &temp[ 0], 16);
-					memcpy(&dst[1*pitch], &temp[16], 16);
-					memcpy(&dst[2*pitch], &temp[32], 16);
-					memcpy(&dst[3*pitch], &temp[48], 16);
+					uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
+					memcpy(&dst[0*_pitch], &temp[ 0], 16);
+					memcpy(&dst[1*_pitch], &temp[16], 16);
+					memcpy(&dst[2*_pitch], &temp[32], 16);
+					memcpy(&dst[3*_pitch], &temp[48], 16);
 				}
 			}
 			break;
diff --git a/src/image.h b/src/image.h
index 5947675e..9c7be951 100644
--- a/src/image.h
+++ b/src/image.h
@@ -52,7 +52,7 @@ namespace bgfx
 	void imageRgba8Downsample2x2(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst);
 
 	///
-	void imageSwizzleBgra8(uint32_t _width, uint32_t _height, const void* _src, void* _dst);
+	void imageSwizzleBgra8(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst);
 
 	///
 	void imageWriteTga(bx::WriterI* _writer, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip);
@@ -64,7 +64,7 @@ namespace bgfx
 	bool imageParse(ImageContainer& _imageContainer, const void* _data, uint32_t _size);
 
 	///
-	void imageDecodeToBgra8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint8_t _type);
+	void imageDecodeToBgra8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, uint8_t _type);
 
 	///
 	bool imageGetRawData(const ImageContainer& _dds, uint8_t _side, uint8_t _index, const void* _data, uint32_t _size, ImageMip& _mip);
diff --git a/src/renderer_d3d11.cpp b/src/renderer_d3d11.cpp
index 9a9fdb39..4666c152 100644
--- a/src/renderer_d3d11.cpp
+++ b/src/renderer_d3d11.cpp
@@ -1832,7 +1832,7 @@ namespace bgfx
 							 ;
 	}
 
-	void Texture::update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
+	void Texture::update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem)
 	{
 		ID3D11DeviceContext* deviceCtx = s_renderCtx->m_deviceCtx;
 
@@ -1844,10 +1844,10 @@ namespace bgfx
 		box.front = _z;
 		box.back = box.front + _depth;
 
-		uint32_t subres = _mip + (_side * m_numMips);
-
-		uint32_t bpp = getBitsPerPixel(TextureFormat::Enum(m_textureFormat) );
-		uint32_t srcpitch = _rect.m_width*bpp/8;
+		const uint32_t subres = _mip + (_side * m_numMips);
+		const uint32_t bpp = getBitsPerPixel(TextureFormat::Enum(m_textureFormat) );
+		const uint32_t rectpitch = _rect.m_width*bpp/8;
+		const uint32_t srcpitch  = UINT16_MAX == _pitch ? rectpitch : _pitch;
 
 		const bool convert = m_textureFormat != m_requestedFormat;
 
@@ -1856,8 +1856,8 @@ namespace bgfx
 
 		if (convert)
 		{
-			uint8_t* temp = (uint8_t*)BX_ALLOC(g_allocator, srcpitch*_rect.m_height);
-			imageDecodeToBgra8(temp, data, _rect.m_width, _rect.m_height, m_requestedFormat);
+			uint8_t* temp = (uint8_t*)BX_ALLOC(g_allocator, rectpitch*_rect.m_height);
+			imageDecodeToBgra8(temp, data, _rect.m_width, _rect.m_height, srcpitch, m_requestedFormat);
 			data = temp;
 		}
 
@@ -2091,9 +2091,9 @@ namespace bgfx
 	{
 	}
 
-	void Context::rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
+	void Context::rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem)
 	{
-		s_renderCtx->m_textures[_handle.idx].update(_side, _mip, _rect, _z, _depth, _mem);
+		s_renderCtx->m_textures[_handle.idx].update(_side, _mip, _rect, _z, _depth, _pitch, _mem);
 	}
 
 	void Context::rendererUpdateTextureEnd()
diff --git a/src/renderer_d3d9.cpp b/src/renderer_d3d9.cpp
index 5d7fa637..837b33e2 100644
--- a/src/renderer_d3d9.cpp
+++ b/src/renderer_d3d9.cpp
@@ -1606,7 +1606,7 @@ namespace bgfx
 								uint32_t srcpitch = mipWidth*bpp/8;
 
 								uint8_t* temp = (uint8_t*)BX_ALLOC(g_allocator, srcpitch*mipHeight);
-								imageDecodeToBgra8(temp, mip.m_data, mip.m_width, mip.m_height, mip.m_format);
+								imageDecodeToBgra8(temp, mip.m_data, mip.m_width, mip.m_height, srcpitch, mip.m_format);
 
 								uint32_t dstpitch = pitch;
 								for (uint32_t yy = 0; yy < height; ++yy)
@@ -1620,7 +1620,7 @@ namespace bgfx
 							}
 							else
 							{
-								imageDecodeToBgra8(bits, mip.m_data, mip.m_width, mip.m_height, mip.m_format);
+								imageDecodeToBgra8(bits, mip.m_data, mip.m_width, mip.m_height, pitch, mip.m_format);
 							}
 						}
 						else
@@ -1650,11 +1650,12 @@ namespace bgfx
 		s_renderCtx->m_updateTextureBits = lock(_side, _mip, s_renderCtx->m_updateTexturePitch, slicePitch);
 	}
 
-	void Texture::update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
+	void Texture::update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem)
 	{
-		uint32_t bpp = getBitsPerPixel(TextureFormat::Enum(m_textureFormat) );
-		uint32_t srcpitch = _rect.m_width*bpp/8;
-		uint32_t dstpitch = s_renderCtx->m_updateTexturePitch;
+		const uint32_t bpp = getBitsPerPixel(TextureFormat::Enum(m_textureFormat) );
+		const uint32_t rectpitch = _rect.m_width*bpp/8;
+		const uint32_t srcpitch  = UINT16_MAX == _pitch ? rectpitch : _pitch;
+		const uint32_t dstpitch  = s_renderCtx->m_updateTexturePitch;
 		uint8_t* bits = s_renderCtx->m_updateTextureBits + _rect.m_y*dstpitch + _rect.m_x*bpp/8;
 
 		const bool convert = m_textureFormat != m_requestedFormat;
@@ -1664,8 +1665,8 @@ namespace bgfx
 
 		if (convert)
 		{
-			uint8_t* temp = (uint8_t*)BX_ALLOC(g_allocator, srcpitch*_rect.m_height);
-			imageDecodeToBgra8(temp, data, _rect.m_width, _rect.m_height, m_requestedFormat);
+			uint8_t* temp = (uint8_t*)BX_ALLOC(g_allocator, rectpitch*_rect.m_height);
+			imageDecodeToBgra8(temp, data, _rect.m_width, _rect.m_height, srcpitch, m_requestedFormat);
 			data = temp;
 		}
 
@@ -2117,9 +2118,9 @@ namespace bgfx
 		s_renderCtx->m_updateTexture->updateBegin(_side, _mip);
 	}
 
-	void Context::rendererUpdateTexture(TextureHandle /*_handle*/, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
+	void Context::rendererUpdateTexture(TextureHandle /*_handle*/, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem)
 	{
-		s_renderCtx->m_updateTexture->update(_side, _mip, _rect, _z, _depth, _mem);
+		s_renderCtx->m_updateTexture->update(_side, _mip, _rect, _z, _depth, _pitch, _mem);
 	}
 
 	void Context::rendererUpdateTextureEnd()
diff --git a/src/renderer_d3d9.h b/src/renderer_d3d9.h
index 4a88f5f7..8fa693eb 100644
--- a/src/renderer_d3d9.h
+++ b/src/renderer_d3d9.h
@@ -317,7 +317,7 @@ namespace bgfx
 		}
 
 		void updateBegin(uint8_t _side, uint8_t _mip);
-		void update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem);
+		void update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem);
 		void updateEnd();
 		void commit(uint8_t _stage, uint32_t _flags = BGFX_SAMPLER_DEFAULT_FLAGS);
 	
diff --git a/src/renderer_gl.cpp b/src/renderer_gl.cpp
index af810a83..ca7e2708 100644
--- a/src/renderer_gl.cpp
+++ b/src/renderer_gl.cpp
@@ -265,6 +265,7 @@ namespace bgfx
 			EXT_texture_swizzle,
 			EXT_texture_type_2_10_10_10_REV,
 			EXT_timer_query,
+			EXT_unpack_subimage,
 			IMG_multisampled_render_to_texture,
 			IMG_read_format,
 			IMG_shader_binary,
@@ -337,6 +338,7 @@ namespace bgfx
 		{ "GL_EXT_texture_swizzle",                false,                             true  },
 		{ "GL_EXT_texture_type_2_10_10_10_REV",    false,                             true  },
 		{ "GL_EXT_timer_query",                    false,                             true  },
+		{ "GL_EXT_unpack_subimage",                false,                             true  },
 		{ "GL_IMG_multisampled_render_to_texture", false,                             true  },
 		{ "GL_IMG_read_format",                    false,                             true  },
 		{ "GL_IMG_shader_binary",                  false,                             true  },
@@ -785,7 +787,7 @@ namespace bgfx
 
 			if (GL_RGBA == m_readPixelsFmt)
 			{
-				imageSwizzleBgra8(width, height, data, data);
+				imageSwizzleBgra8(width, height, width*4, data, data);
 			}
 
 			g_callback->screenShot(_filePath
@@ -1443,13 +1445,13 @@ namespace bgfx
 
 							if (convert)
 							{
-								imageDecodeToBgra8(temp, mip.m_data, mip.m_width, mip.m_height, mip.m_format);
+								imageDecodeToBgra8(temp, mip.m_data, mip.m_width, mip.m_height, mip.m_width*4, mip.m_format);
 								data = temp;
 							}
 
 							if (swizzle)
 							{
-								imageSwizzleBgra8(width, height, data, temp);
+								imageSwizzleBgra8(width, height, mip.m_width*4, data, temp);
 								data = temp;
 							}
 
@@ -1599,26 +1601,40 @@ namespace bgfx
 		}
 	}
 
-	void Texture::update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
+	void Texture::update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem)
 	{
 		BX_UNUSED(_z, _depth);
 
+		const uint32_t bpp = getBitsPerPixel(TextureFormat::Enum(m_textureFormat) );
+		const uint32_t rectpitch = _rect.m_width*bpp/8;
+		uint32_t srcpitch  = UINT16_MAX == _pitch ? rectpitch : _pitch;
+
 		GL_CHECK(glBindTexture(m_target, m_id) );
 		GL_CHECK(glPixelStorei(GL_UNPACK_ALIGNMENT, 1) );
 
+		if (!!BGFX_CONFIG_RENDERER_OPENGL
+		||  s_extension[Extension::EXT_unpack_subimage].m_supported)
+		{
+			GL_CHECK(glPixelStorei(GL_UNPACK_ROW_LENGTH, srcpitch*8/bpp) );
+		}
+		else
+		{
+			BX_CHECK(false, "There is no fallback for GLES2 when GL_EXT_unpack_subimage extension is not available.");
+		}
+
 		GLenum target = GL_TEXTURE_CUBE_MAP == m_target ? GL_TEXTURE_CUBE_MAP_POSITIVE_X : m_target;
 
 		const bool swizzle    = GL_RGBA == m_fmt && !s_renderCtx->m_textureSwizzleSupport;
 		const bool convert    = m_textureFormat != m_requestedFormat;
 		const bool compressed = TextureFormat::Unknown > m_textureFormat;
 
-		uint32_t width  = _rect.m_width;
-		uint32_t height = _rect.m_height;
+		const uint32_t width  = _rect.m_width;
+		const uint32_t height = _rect.m_height;
 
 		uint8_t* temp = NULL;
 		if (convert || swizzle)
 		{
-			temp = (uint8_t*)BX_ALLOC(g_allocator, width*height*4);
+			temp = (uint8_t*)BX_ALLOC(g_allocator, rectpitch*height);
 		}
 
 		if (compressed)
@@ -1642,13 +1658,14 @@ namespace bgfx
 
 			if (convert)
 			{
-				imageDecodeToBgra8(temp, data, width, height, m_requestedFormat);
+				imageDecodeToBgra8(temp, data, width, height, srcpitch, m_requestedFormat);
 				data = temp;
+				srcpitch = rectpitch;
 			}
 
 			if (swizzle)
 			{
-				imageSwizzleBgra8(width, height, data, temp);
+				imageSwizzleBgra8(width, height, srcpitch, data, temp);
 				data = temp;
 			}
 
@@ -2636,9 +2653,9 @@ namespace bgfx
 	{
 	}
 
-	void Context::rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem)
+	void Context::rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem)
 	{
-		s_renderCtx->m_textures[_handle.idx].update(_side, _mip, _rect, _z, _depth, _mem);
+		s_renderCtx->m_textures[_handle.idx].update(_side, _mip, _rect, _z, _depth, _pitch, _mem);
 	}
 
 	void Context::rendererUpdateTextureEnd()
diff --git a/src/renderer_gl.h b/src/renderer_gl.h
index 5d6a1d1c..618dcc9d 100644
--- a/src/renderer_gl.h
+++ b/src/renderer_gl.h
@@ -123,138 +123,142 @@ typedef void (*PFNGLGETTRANSLATEDSHADERSOURCEANGLEPROC)(GLuint shader, GLsizei b
 
 #endif // BGFX_CONFIG_RENDERER_OPENGL
 
-#	ifndef GL_LUMINANCE
-#		define GL_LUMINANCE 0x1909
-#	endif // GL_LUMINANCE
+#ifndef GL_LUMINANCE
+#	define GL_LUMINANCE 0x1909
+#endif // GL_LUMINANCE
 
-#	ifndef GL_BGRA_EXT
-#		define GL_BGRA_EXT 0x80E1
-#	endif // GL_BGRA_EXT
+#ifndef GL_BGRA_EXT
+#	define GL_BGRA_EXT 0x80E1
+#endif // GL_BGRA_EXT
 
-#	ifndef GL_R16F_EXT
-#		define GL_R16F_EXT 0x822D
-#	endif // GL_R16F_EXT
+#ifndef GL_R16F_EXT
+#	define GL_R16F_EXT 0x822D
+#endif // GL_R16F_EXT
 
-#	ifndef GL_R32F_EXT
-#		define GL_R32F_EXT 0x822E
-#	endif // GL_R32F_EXT
+#ifndef GL_R32F_EXT
+#	define GL_R32F_EXT 0x822E
+#endif // GL_R32F_EXT
 
-#	ifndef GL_RGB10_A2_EXT
-#		define GL_RGB10_A2_EXT 0x8059
-#	endif // GL_RGB10_A2_EXT
+#ifndef GL_RGB10_A2_EXT
+#	define GL_RGB10_A2_EXT 0x8059
+#endif // GL_RGB10_A2_EXT
 
-#	ifndef GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
-#		define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
-#	endif // GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
+#ifndef GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
+#	define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
+#endif // GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
 
-#	ifndef GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
-#		define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
-#	endif // GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
+#ifndef GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
+#	define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
+#endif // GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
 
-#	ifndef GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
-#		define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
-#	endif // GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
+#ifndef GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
+#	define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
+#endif // GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
 
-#	ifndef GL_COMPRESSED_LUMINANCE_LATC1_EXT
-#		define GL_COMPRESSED_LUMINANCE_LATC1_EXT 0x8C70
-#	endif // GL_COMPRESSED_LUMINANCE_LATC1_EXT
+#ifndef GL_COMPRESSED_LUMINANCE_LATC1_EXT
+#	define GL_COMPRESSED_LUMINANCE_LATC1_EXT 0x8C70
+#endif // GL_COMPRESSED_LUMINANCE_LATC1_EXT
 
-#	ifndef GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
-#		define GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT 0x8C72
-#	endif // GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
+#ifndef GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
+#	define GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT 0x8C72
+#endif // GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
 
-#	ifndef GL_COMPRESSED_RED_RGTC1_EXT
-#		define GL_COMPRESSED_RED_RGTC1_EXT 0x8DBB
-#	endif // GL_COMPRESSED_RED_RGTC1_EXT
+#ifndef GL_COMPRESSED_RED_RGTC1_EXT
+#	define GL_COMPRESSED_RED_RGTC1_EXT 0x8DBB
+#endif // GL_COMPRESSED_RED_RGTC1_EXT
 
-#	ifndef GL_COMPRESSED_RED_GREEN_RGTC2_EXT
-#		define GL_COMPRESSED_RED_GREEN_RGTC2_EXT 0x8DBD
-#	endif // GL_COMPRESSED_RED_GREEN_RGTC2_EXT
+#ifndef GL_COMPRESSED_RED_GREEN_RGTC2_EXT
+#	define GL_COMPRESSED_RED_GREEN_RGTC2_EXT 0x8DBD
+#endif // GL_COMPRESSED_RED_GREEN_RGTC2_EXT
 
-#	ifndef GL_ETC1_RGB8_OES
-#		define GL_ETC1_RGB8_OES 0x8D64
-#	endif // GL_ETC1_RGB8_OES
+#ifndef GL_ETC1_RGB8_OES
+#	define GL_ETC1_RGB8_OES 0x8D64
+#endif // GL_ETC1_RGB8_OES
 
-#	ifndef GL_COMPRESSED_RGB8_ETC2
-#		define GL_COMPRESSED_RGB8_ETC2 0x9274
-#	endif // GL_COMPRESSED_RGB8_ETC2
+#ifndef GL_COMPRESSED_RGB8_ETC2
+#	define GL_COMPRESSED_RGB8_ETC2 0x9274
+#endif // GL_COMPRESSED_RGB8_ETC2
 
-#	ifndef GL_COMPRESSED_RGBA8_ETC2_EAC
-#		define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278
-#	endif // GL_COMPRESSED_RGBA8_ETC2_EAC
+#ifndef GL_COMPRESSED_RGBA8_ETC2_EAC
+#	define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278
+#endif // GL_COMPRESSED_RGBA8_ETC2_EAC
 
-#	ifndef GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
-#		define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
-#	endif // GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
+#ifndef GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
+#	define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
+#endif // GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
 
-#	ifndef GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
-#		define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
-#	endif // GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
+#ifndef GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
+#	define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
+#endif // GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
 
-#	ifndef GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
-#		define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
-#	endif // GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
+#ifndef GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
+#	define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
+#endif // GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
 
-#	ifndef GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG
-#		define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
-#	endif // GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG
+#ifndef GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG
+#	define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
+#endif // GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG
 
-#	ifndef GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
-#		define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
-#	endif // GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
+#ifndef GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
+#	define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
+#endif // GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
 
-#	ifndef GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
-#		define GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG 0x9137
-#	endif // GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
+#ifndef GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
+#	define GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG 0x9137
+#endif // GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
 
-#	ifndef GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
-#		define GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG 0x9138
-#	endif // GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
+#ifndef GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
+#	define GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG 0x9138
+#endif // GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
 
-#	ifndef GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE
-#		define GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0
-#	endif // GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE
+#ifndef GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE
+#	define GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0
+#endif // GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE
 
-#	ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
-#		define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
-#	endif // GL_TEXTURE_MAX_ANISOTROPY_EXT
+#ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
+#	define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
+#endif // GL_TEXTURE_MAX_ANISOTROPY_EXT
 
-#	ifndef GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
-#		define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
-#	endif // GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
+#ifndef GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
+#	define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
+#endif // GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
 
-#	ifndef GL_VBO_FREE_MEMORY_ATI
-#		define GL_VBO_FREE_MEMORY_ATI 0x87FB
-#	endif // GL_VBO_FREE_MEMORY_ATI
+#ifndef GL_VBO_FREE_MEMORY_ATI
+#	define GL_VBO_FREE_MEMORY_ATI 0x87FB
+#endif // GL_VBO_FREE_MEMORY_ATI
 
-#	ifndef GL_TEXTURE_FREE_MEMORY_ATI
-#		define GL_TEXTURE_FREE_MEMORY_ATI 0x87FC
-#	endif // GL_TEXTURE_FREE_MEMORY_ATI
+#ifndef GL_TEXTURE_FREE_MEMORY_ATI
+#	define GL_TEXTURE_FREE_MEMORY_ATI 0x87FC
+#endif // GL_TEXTURE_FREE_MEMORY_ATI
 
-#	ifndef GL_RENDERBUFFER_FREE_MEMORY_ATI
-#		define GL_RENDERBUFFER_FREE_MEMORY_ATI 0x87FD
-#	endif // GL_RENDERBUFFER_FREE_MEMORY_ATI
+#ifndef GL_RENDERBUFFER_FREE_MEMORY_ATI
+#	define GL_RENDERBUFFER_FREE_MEMORY_ATI 0x87FD
+#endif // GL_RENDERBUFFER_FREE_MEMORY_ATI
 
 // http://developer.download.nvidia.com/opengl/specs/GL_NVX_gpu_memory_info.txt
-#	ifndef GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
-#		define GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047
-#	endif // GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
+#ifndef GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
+#	define GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047
+#endif // GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
 
-#	ifndef GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
-#		define GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048
-#	endif // GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
+#ifndef GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
+#	define GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048
+#endif // GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
 
-#	ifndef GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
-#		define GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049
-#	endif // GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
+#ifndef GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
+#	define GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049
+#endif // GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
 
-#	ifndef GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
-#		define GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A
-#	endif // GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
+#ifndef GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
+#	define GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A
+#endif // GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
 
-#	ifndef GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
-#		define GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B
-#	endif // GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
+#ifndef GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
+#	define GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B
+#endif // GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
+
+#ifndef GL_UNPACK_ROW_LENGTH
+#	define GL_UNPACK_ROW_LENGTH 0x0CF2
+#endif // GL_UNPACK_ROW_LENGTH
 
 #ifndef GL_RGBA16
 #	define GL_RGBA16 0x805B
@@ -566,7 +570,7 @@ namespace bgfx
 		void createColor(uint32_t _colorFormat, uint32_t _width, uint32_t _height, GLenum _min, GLenum _mag);
 		void createDepth(uint32_t _width, uint32_t _height);
 		void destroy();
-		void update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, const Memory* _mem);
+		void update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem);
 		void setSamplerState(uint32_t _flags);
 		void commit(uint32_t _stage, uint32_t _flags);
 
diff --git a/src/renderer_null.cpp b/src/renderer_null.cpp
index 2b19be82..4dc6bd87 100644
--- a/src/renderer_null.cpp
+++ b/src/renderer_null.cpp
@@ -113,7 +113,7 @@ namespace bgfx
 	{
 	}
 
-	void Context::rendererUpdateTexture(TextureHandle /*_handle*/, uint8_t /*_side*/, uint8_t /*_mip*/, const Rect& /*_rect*/, uint16_t /*_z*/, uint16_t /*_depth*/, const Memory* /*_mem*/)
+	void Context::rendererUpdateTexture(TextureHandle /*_handle*/, uint8_t /*_side*/, uint8_t /*_mip*/, const Rect& /*_rect*/, uint16_t /*_z*/, uint16_t /*_depth*/, uint16_t /*_pitch*/, const Memory* /*_mem*/)
 	{
 	}
 
diff --git a/src/vertexdecl.cpp b/src/vertexdecl.cpp
index 366d1a60..21675aca 100644
--- a/src/vertexdecl.cpp
+++ b/src/vertexdecl.cpp
@@ -102,6 +102,11 @@ namespace bgfx
 		m_stride += (*s_attribTypeSize[m_hash])[_type][_num-1];
 	}
 
+	void VertexDecl::skip(uint8_t _num)
+	{
+		m_stride += _num;
+	}
+
 	void VertexDecl::decode(Attrib::Enum _attrib, uint8_t& _num, AttribType::Enum& _type, bool& _normalized, bool& _asInt) const
 	{
 		uint8_t val = m_attributes[_attrib];
@@ -491,8 +496,53 @@ namespace bgfx
 		return xx*xx + yy*yy + zz*zz;
 	}
 
+	uint16_t weldVerticesRef(uint16_t* _output, const VertexDecl& _decl, const void* _data, uint16_t _num, float _epsilon)
+	{
+		// Brute force slow vertex welding...
+		const float epsilonSq = _epsilon*_epsilon;
+
+		uint32_t numVertices = 0;
+		memset(_output, 0xff, _num*sizeof(uint16_t) );
+
+		for (uint32_t ii = 0; ii < _num; ++ii)
+		{
+			if (UINT16_MAX != _output[ii])
+			{
+				continue;
+			}
+
+			_output[ii] = ii;
+			++numVertices;
+
+			float pos[4];
+			vertexUnpack(pos, bgfx::Attrib::Position, _decl, _data, ii);
+
+			for (uint32_t jj = 0; jj < _num; ++jj)
+			{
+				if (UINT16_MAX != _output[jj])
+				{
+					continue;
+				}
+
+				float test[4];
+				vertexUnpack(test, bgfx::Attrib::Position, _decl, _data, jj);
+
+				if (sqLength(test, pos) < epsilonSq)
+				{
+					_output[jj] = ii;
+				}
+			}
+		}
+
+		return numVertices;
+	}
+
 	uint16_t weldVertices(uint16_t* _output, const VertexDecl& _decl, const void* _data, uint16_t _num, float _epsilon)
 	{
+#if 1
+		return weldVerticesRef(_output, _decl, _data, _num, _epsilon);
+#else
+		// This "clever" version doesn't work as expected...
 		const uint32_t hashSize = bx::uint32_nextpow2(_num);
 		const uint32_t hashMask = hashSize-1;
 		const float epsilonSq = _epsilon*_epsilon;
@@ -516,6 +566,7 @@ namespace bgfx
 			{
 				float test[4];
 				vertexUnpack(test, bgfx::Attrib::Position, _decl, _data, _output[offset]);
+
 				if (sqLength(test, pos) < epsilonSq)
 				{
 					_output[ii] = _output[offset];
@@ -533,6 +584,7 @@ namespace bgfx
 		}
 
 		return numVertices;
+#endif // 0
 	}
 
 } // namespace bgfx
diff --git a/tools/shaderc/shaderc.cpp b/tools/shaderc/shaderc.cpp
index 37c318a6..7be81249 100644
--- a/tools/shaderc/shaderc.cpp
+++ b/tools/shaderc/shaderc.cpp
@@ -1273,6 +1273,13 @@ uint32_t parseInOut(InOut& _inout, const char* _str, const char* _eol)
 	return hash;
 }
 
+// c - compute
+// d - domain
+// f - fragment
+// g - geometry
+// h - hull
+// v - vertex
+//
 // OpenGL #version Features Direct3D Features Shader Model
 // 2.1    120      vf       9.0      vf       2.0
 // 3.0    130
@@ -1281,7 +1288,8 @@ uint32_t parseInOut(InOut& _inout, const char* _str, const char* _eol)
 // 3.3    330               10.0     vgf      4.0
 // 4.0    400      vhdgf
 // 4.1    410
-// 4.2    420               11.0     vhdgf    5.0
+// 4.2    420               11.0     vhdgf+c  5.0
+// 4.3    430      vhdgf+c
 
 void help(const char* _error = NULL)
 {
diff --git a/tools/texturec/texturec.cpp b/tools/texturec/texturec.cpp
index c2fff613..785ebc24 100644
--- a/tools/texturec/texturec.cpp
+++ b/tools/texturec/texturec.cpp
@@ -130,7 +130,7 @@ int main(int _argc, const char* _argv[])
 						||  height != mip.m_height)
 						{
 							uint8_t* temp = (uint8_t*)realloc(NULL, mip.m_width*mip.m_height*4);
-							imageDecodeToBgra8(temp, mip.m_data, mip.m_width, mip.m_height, mip.m_format);
+							imageDecodeToBgra8(temp, mip.m_data, mip.m_width, mip.m_height, mip.m_width*4, mip.m_format);
 							uint32_t srcpitch = mip.m_width*4;
 
 							for (uint32_t yy = 0; yy < height; ++yy)
@@ -150,7 +150,7 @@ int main(int _argc, const char* _argv[])
 						}
 						else
 						{
-							imageDecodeToBgra8(bits, mip.m_data, mip.m_width, mip.m_height, mip.m_format);
+							imageDecodeToBgra8(bits, mip.m_data, mip.m_width, mip.m_height, mip.m_width*4, mip.m_format);
 						}
 
 						char filePath[256];