Cycles: Inline sizeof of elements needed for the split kernel

No need to store them in the class, they're unlikely to be changed
and if they do change we're in big trouble anyway.

More appropriate approach would be then to typedef this things in
kernel_types.h, but still use inlined sizeof(),

intern/cycles/device/device_opencl.cpp

@@ -1620,18 +1620,6 @@ public:
 	/* Flag to make sceneintersect and lampemission kernel use queues. */
 	cl_mem use_queues_flag;
 
-	/* Required-memory size. */
-	size_t throughput_size;
-	size_t L_transparent_size;
-	size_t rayState_size;
-	size_t hostRayState_size;
-	size_t work_element_size;
-	size_t ISLamp_size;
-
-	/* Sizes of memory required for shadow blocked function. */
-	size_t AOAlpha_size;
-	size_t AOBSDF_size;
-
 	/* Amount of memory in output buffer associated with one pixel/thread. */
 	size_t per_thread_output_buffer_size;
 
@@ -1786,18 +1774,6 @@ public:
 
 		per_sample_output_buffers = NULL;
 
-		/* Initialize required memory size. */
-		throughput_size = sizeof(float3);
-		L_transparent_size = sizeof(float);
-		rayState_size = sizeof(char);
-		hostRayState_size = sizeof(char);
-		work_element_size = sizeof(unsigned int);
-		ISLamp_size = sizeof(int);
-
-		/* Initialize sizes of memory required for shadow blocked function. */
-		AOAlpha_size = sizeof(float3);
-		AOBSDF_size = sizeof(float3);
-
 		per_thread_output_buffer_size = 0;
 		hostRayStateArray = NULL;
 		PathIteration_times = PATH_ITER_INC_FACTOR;
@@ -2203,10 +2179,6 @@ public:
 		assert(max_render_feasible_tile_size.x % SPLIT_KERNEL_LOCAL_SIZE_X == 0);
 		assert(max_render_feasible_tile_size.y % SPLIT_KERNEL_LOCAL_SIZE_Y == 0);
 
-		/* ray_state and hostRayStateArray should be of same size. */
-		assert(hostRayState_size == rayState_size);
-		assert(rayState_size == 1);
-
 		size_t global_size[2];
 		size_t local_size[2] = {SPLIT_KERNEL_LOCAL_SIZE_X,
 		                        SPLIT_KERNEL_LOCAL_SIZE_Y};
@@ -2340,17 +2312,17 @@ public:
 			 * the kernels.
 			 */
 			rng_coop = mem_alloc(num_global_elements * sizeof(RNG));
-			throughput_coop = mem_alloc(num_global_elements * throughput_size);
+			throughput_coop = mem_alloc(num_global_elements * sizeof(float3));
-			L_transparent_coop = mem_alloc(num_global_elements * L_transparent_size);
+			L_transparent_coop = mem_alloc(num_global_elements * sizeof(float));
 			PathRadiance_coop = mem_alloc(num_global_elements * sizeof(PathRadiance));
 			Ray_coop = mem_alloc(num_global_elements * sizeof(Ray));
 			PathState_coop = mem_alloc(num_global_elements * sizeof(PathState));
 			Intersection_coop = mem_alloc(num_global_elements * sizeof(Intersection));
-			AOAlpha_coop = mem_alloc(num_global_elements * AOAlpha_size);
+			AOAlpha_coop = mem_alloc(num_global_elements * sizeof(float3));
-			AOBSDF_coop = mem_alloc(num_global_elements * AOBSDF_size);
+			AOBSDF_coop = mem_alloc(num_global_elements * sizeof(float3));
 			AOLightRay_coop = mem_alloc(num_global_elements * sizeof(Ray));
 			BSDFEval_coop = mem_alloc(num_global_elements * sizeof(BsdfEval));
-			ISLamp_coop = mem_alloc(num_global_elements * ISLamp_size);
+			ISLamp_coop = mem_alloc(num_global_elements * sizeof(int));
 			LightRay_coop = mem_alloc(num_global_elements * sizeof(Ray));
 			Intersection_coop_AO = mem_alloc(num_global_elements * sizeof(Intersection));
 			Intersection_coop_DL = mem_alloc(num_global_elements * sizeof(Intersection));
@@ -2359,13 +2331,13 @@ public:
 			debugdata_coop = mem_alloc(num_global_elements * sizeof(DebugData));
 #endif
 
-			ray_state = mem_alloc(num_global_elements * rayState_size);
+			ray_state = mem_alloc(num_global_elements * sizeof(char));
 
-			hostRayStateArray = (char *)calloc(num_global_elements, hostRayState_size);
+			hostRayStateArray = (char *)calloc(num_global_elements, sizeof(char));
 			assert(hostRayStateArray != NULL && "Can't create hostRayStateArray memory");
 
 			Queue_data = mem_alloc(num_global_elements * (NUM_QUEUES * sizeof(int)+sizeof(int)));
-			work_array = mem_alloc(num_global_elements * work_element_size);
+			work_array = mem_alloc(num_global_elements * sizeof(unsigned int));
 			per_sample_output_buffers = mem_alloc(num_global_elements *
 			                                      per_thread_output_buffer_size);
 		}
@@ -2885,16 +2857,22 @@ public:
 		 */
 		shaderdata_volume = get_shader_data_size(shader_closure_size);
 		size_t retval = sizeof(RNG)
-			+ throughput_size + L_transparent_size
+			+ sizeof(float3)          /* Throughput size */
-			+ rayState_size + work_element_size
+			+ sizeof(float)           /* L transparent size */
-			+ ISLamp_size + sizeof(PathRadiance) + sizeof(Ray) + sizeof(PathState)
+			+ sizeof(char)            /* Ray state size */
+			+ sizeof(unsigned int)    /* Work element size */
+			+ sizeof(int)             /* ISLamp_size */
+			+ sizeof(PathRadiance) + sizeof(Ray) + sizeof(PathState)
 			+ sizeof(Intersection)    /* Overall isect */
 			+ sizeof(Intersection)    /* Instersection_coop_AO */
 			+ sizeof(Intersection)    /* Intersection coop DL */
 			+ shaderdata_volume       /* Overall ShaderData */
 			+ (shaderdata_volume * 2) /* ShaderData : DL and shadow */
-			+ sizeof(Ray) + sizeof(BsdfEval) + AOAlpha_size + AOBSDF_size + sizeof(Ray)
+			+ sizeof(Ray) + sizeof(BsdfEval)
-			+ (sizeof(int)* NUM_QUEUES)
+			+ sizeof(float3)          /* AOAlpha size */
+			+ sizeof(float3)          /* AOBSDF size */
+			+ sizeof(Ray)
+			+ (sizeof(int) * NUM_QUEUES)
 			+ per_thread_output_buffer_size;
 		return retval;
 	}