diff --git a/intern/cycles/kernel/kernel_compat_opencl.h b/intern/cycles/kernel/kernel_compat_opencl.h
index e6e54850605..c8be03d7dd0 100644
--- a/intern/cycles/kernel/kernel_compat_opencl.h
+++ b/intern/cycles/kernel/kernel_compat_opencl.h
@@ -22,10 +22,10 @@
 #define __KERNEL_GPU__
 #define __KERNEL_OPENCL__
 
-#include "util_types.h"
-
 CCL_NAMESPACE_BEGIN
 
+#pragma OPENCL EXTENSION cl_khr_byte_addressable_store: enable
+
 #define __device
 #define __device_inline
 
@@ -42,12 +42,26 @@ __device float kernel_tex_interp_(__global float *data, int width, float x)
 	return (1.0f - t)*data[index] + t*data[nindex];
 }
 
-#define make_float3(x, y, z) ((float3)(x, y, z)) /* todo 1.1 */
+#define make_float2(x, y) ((float2)(x, y))
+#define make_float3(x, y, z) ((float3)(x, y, z, 0.0f))
+#define make_float4(x, y, z, w) ((float4)(x, y, z, w))
+#define make_int2(x, y) ((int2)(x, y))
+#define make_int3(x, y, z) ((int3)(x, y, z, 0))
+#define make_int4(x, y, z, w) ((int4)(x, y, z, w))
+
+typedef float4 float3;
+typedef int4 int3;
 
 #define __uint_as_float(x) as_float(x)
 #define __float_as_uint(x) as_uint(x)
 #define __int_as_float(x) as_float(x)
 #define __float_as_int(x) as_int(x)
+#define sqrtf(x) sqrt(((float)x))
+#define cosf(x) cos(((float)x))
+#define sinf(x) sin(((float)x))
+#define powf(x, y) pow(((float)x), ((float)y))
+#define fabsf(x) fabs(((float)x))
+#define copysignf(x, y) copysign(((float)x), ((float)y))
 
 #define kernel_data (*kg->data)
 #define kernel_tex_interp(t, x) \
@@ -57,6 +71,8 @@ __device float kernel_tex_interp_(__global float *data, int width, float x)
 
 #define NULL 0
 
+#include "util_types.h"
+
 CCL_NAMESPACE_END
 
 #endif /* __KERNEL_COMPAT_OPENCL_H__ */
diff --git a/intern/cycles/render/attribute.cpp b/intern/cycles/render/attribute.cpp
index 815478cb733..aa18ca7d7cb 100644
--- a/intern/cycles/render/attribute.cpp
+++ b/intern/cycles/render/attribute.cpp
@@ -46,7 +46,10 @@ void Attribute::reserve(int numverts, int numtris)
 
 size_t Attribute::data_sizeof()
 {
-	return type.size();
+	if(type == TypeDesc::TypeFloat)
+		return sizeof(float);
+	else
+		return sizeof(float3);
 }
 
 size_t Attribute::element_size(int numverts, int numtris)
diff --git a/intern/cycles/render/shader.cpp b/intern/cycles/render/shader.cpp
index 9ea162d3ad0..548beaaecdd 100644
--- a/intern/cycles/render/shader.cpp
+++ b/intern/cycles/render/shader.cpp
@@ -45,6 +45,7 @@ Shader::Shader()
 	has_displacement = false;
 
 	need_update = true;
+	need_update_attributes = true;
 }
 
 Shader::~Shader()
diff --git a/intern/cycles/util/util_math.h b/intern/cycles/util/util_math.h
index e6dd00fd86b..1bb3f5b6097 100644
--- a/intern/cycles/util/util_math.h
+++ b/intern/cycles/util/util_math.h
@@ -345,56 +345,56 @@ __device_inline float average(const float3 a)
 
 __device_inline float3 operator-(const float3 a)
 {
-	float3 r = {-a.x, -a.y, -a.z};
+	float3 r = make_float3(-a.x, -a.y, -a.z);
 	return r;
 }
 
 __device_inline float3 operator*(const float3 a, const float3 b)
 {
-	float3 r = {a.x*b.x, a.y*b.y, a.z*b.z};
+	float3 r = make_float3(a.x*b.x, a.y*b.y, a.z*b.z);
 	return r;
 }
 
 __device_inline float3 operator*(const float3 a, float f)
 {
-	float3 r = {a.x*f, a.y*f, a.z*f};
+	float3 r = make_float3(a.x*f, a.y*f, a.z*f);
 	return r;
 }
 
 __device_inline float3 operator*(float f, const float3 a)
 {
-	float3 r = {a.x*f, a.y*f, a.z*f};
+	float3 r = make_float3(a.x*f, a.y*f, a.z*f);
 	return r;
 }
 
 __device_inline float3 operator/(float f, const float3 a)
 {
-	float3 r = {f/a.x, f/a.y, f/a.z};
+	float3 r = make_float3(f/a.x, f/a.y, f/a.z);
 	return r;
 }
 
 __device_inline float3 operator/(const float3 a, float f)
 {
 	float invf = 1.0f/f;
-	float3 r = {a.x*invf, a.y*invf, a.z*invf};
+	float3 r = make_float3(a.x*invf, a.y*invf, a.z*invf);
 	return r;
 }
 
 __device_inline float3 operator/(const float3 a, const float3 b)
 {
-	float3 r = {a.x/b.x, a.y/b.y, a.z/b.z};
+	float3 r = make_float3(a.x/b.x, a.y/b.y, a.z/b.z);
 	return r;
 }
 
 __device_inline float3 operator+(const float3 a, const float3 b)
 {
-	float3 r = {a.x+b.x, a.y+b.y, a.z+b.z};
+	float3 r = make_float3(a.x+b.x, a.y+b.y, a.z+b.z);
 	return r;
 }
 
 __device_inline float3 operator-(const float3 a, const float3 b)
 {
-	float3 r = {a.x-b.x, a.y-b.y, a.z-b.z};
+	float3 r = make_float3(a.x-b.x, a.y-b.y, a.z-b.z);
 	return r;
 }
 
@@ -446,7 +446,7 @@ __device_inline float dot(const float3 a, const float3 b)
 
 __device_inline float3 cross(const float3 a, const float3 b)
 {
-	float3 r = {a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x};
+	float3 r = make_float3(a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x);
 	return r;
 }
 
@@ -486,13 +486,13 @@ __device_inline bool operator!=(const float3 a, const float3 b)
 
 __device_inline float3 min(float3 a, float3 b)
 {
-	float3 r = {min(a.x, b.x), min(a.y, b.y), min(a.z, b.z)};
+	float3 r = make_float3(min(a.x, b.x), min(a.y, b.y), min(a.z, b.z));
 	return r;
 }
 
 __device_inline float3 max(float3 a, float3 b)
 {
-	float3 r = {max(a.x, b.x), max(a.y, b.y), max(a.z, b.z)};
+	float3 r = make_float3(max(a.x, b.x), max(a.y, b.y), max(a.z, b.z));
 	return r;
 }
 
diff --git a/intern/cycles/util/util_transform.h b/intern/cycles/util/util_transform.h
index e2b022dc478..e904674a981 100644
--- a/intern/cycles/util/util_transform.h
+++ b/intern/cycles/util/util_transform.h
@@ -34,16 +34,16 @@ typedef struct Transform {
 
 __device_inline float3 transform(const Transform *t, const float3 a)
 {
-	float4 b = {a.x, a.y, a.z, 1.0f};
-	float3 c = {dot(t->x, b), dot(t->y, b), dot(t->z, b)};
+	float4 b = make_float4(a.x, a.y, a.z, 1.0f);
+	float3 c = make_float3(dot(t->x, b), dot(t->y, b), dot(t->z, b));
 
 	return c/dot(t->w, b);
 }
 
 __device_inline float3 transform_direction(const Transform *t, const float3 a)
 {
-	float4 b = {a.x, a.y, a.z, 0.0f};
-	float3 c = {dot(t->x, b), dot(t->y, b), dot(t->z, b)};
+	float4 b = make_float4(a.x, a.y, a.z, 0.0f);
+	float3 c = make_float3(dot(t->x, b), dot(t->y, b), dot(t->z, b));
 
 	return c;
 }