Cycles: Cleanup, style

I wouldn't mind changing style to have space after keyword, but there was
no official code style change proposed.

intern/cycles/app/cycles_cubin_cc.cpp

@@ -159,8 +159,7 @@ bool link_ptxas(CompilationSettings &settings)
 					" --gpu-name sm_" + std::to_string(settings.target_arch) +
 					" -m" + std::to_string(settings.bits);
 
-	if (settings.verbose)
-	{
+	if(settings.verbose) {
 		ptx += " --verbose";
 		printf("%s\n", ptx.c_str());
 	}

intern/cycles/blender/blender_shader.cpp

@@ -1057,7 +1057,7 @@ static void add_nodes(Scene *scene,
 			for(b_node->internal_links.begin(b_link); b_link != b_node->internal_links.end(); ++b_link) {
 				BL::NodeSocket to_socket(b_link->to_socket());
 				SocketType::Type to_socket_type = convert_socket_type(to_socket);
-				if (to_socket_type == SocketType::UNDEFINED) {
+				if(to_socket_type == SocketType::UNDEFINED) {
 					continue;
 				}
 
@@ -1084,7 +1084,7 @@ static void add_nodes(Scene *scene,
 			 */
 			for(b_node->inputs.begin(b_input); b_input != b_node->inputs.end(); ++b_input) {
 				SocketType::Type input_type = convert_socket_type(*b_input);
-				if (input_type == SocketType::UNDEFINED) {
+				if(input_type == SocketType::UNDEFINED) {
 					continue;
 				}
 
@@ -1100,7 +1100,7 @@ static void add_nodes(Scene *scene,
 			}
 			for(b_node->outputs.begin(b_output); b_output != b_node->outputs.end(); ++b_output) {
 				SocketType::Type output_type = convert_socket_type(*b_output);
-				if (output_type == SocketType::UNDEFINED) {
+				if(output_type == SocketType::UNDEFINED) {
 					continue;
 				}
 

intern/cycles/device/device_cpu.cpp

@@ -1025,7 +1025,7 @@ void device_cpu_info(vector<DeviceInfo>& devices)
 	info.num = 0;
 	info.advanced_shading = true;
 	info.bvh_layout_mask = BVH_LAYOUT_BVH2;
-	if (system_cpu_support_sse2()) {
+	if(system_cpu_support_sse2()) {
 		info.bvh_layout_mask |= BVH_LAYOUT_BVH4;
 	}
 	info.has_volume_decoupled = true;

intern/cycles/device/opencl/opencl_util.cpp

@@ -1139,13 +1139,13 @@ string OpenCLInfo::get_readable_device_name(cl_device_id device_id)
 	/* Special exception for AMD Vega, need to be able to tell
 	 * Vega 56 from 64 apart.
 	 */
-	if (name == "Radeon RX Vega") {
+	if(name == "Radeon RX Vega") {
 		cl_int max_compute_units = 0;
-		if (clGetDeviceInfo(device_id,
-		                    CL_DEVICE_MAX_COMPUTE_UNITS,
-		                    sizeof(max_compute_units),
-		                    &max_compute_units,
-		                    NULL) == CL_SUCCESS)
+		if(clGetDeviceInfo(device_id,
+		                   CL_DEVICE_MAX_COMPUTE_UNITS,
+		                   sizeof(max_compute_units),
+		                   &max_compute_units,
+		                   NULL) == CL_SUCCESS)
 		{
 			name += " " + to_string(max_compute_units);
 		}

intern/cycles/graph/node.cpp

@@ -443,7 +443,7 @@ template<typename T>
 void array_hash(const Node *node, const SocketType& socket, MD5Hash& md5)
 {
 	const array<T>& a = *(const array<T>*)(((char*)node) + socket.struct_offset);
-	for (size_t i = 0; i < a.size(); i++) {
+	for(size_t i = 0; i < a.size(); i++) {
 		md5.append((uint8_t*)&a[i], sizeof(T));
 	}
 }
@@ -452,7 +452,7 @@ void float3_array_hash(const Node *node, const SocketType& socket, MD5Hash& md5)
 {
 	/* Don't compare 4th element used for padding. */
 	const array<float3>& a = *(const array<float3>*)(((char*)node) + socket.struct_offset);
-	for (size_t i = 0; i < a.size(); i++) {
+	for(size_t i = 0; i < a.size(); i++) {
 		md5.append((uint8_t*)&a[i], sizeof(float) * 3);
 	}
 }

intern/cycles/kernel/closure/bsdf_hair_principled.h

@@ -120,7 +120,7 @@ ccl_device_inline float bessel_I0(float x)
 /* Logarithm of the Bessel function of the first kind. */
 ccl_device_inline float log_bessel_I0(float x)
 {
-	if (x > 12.0f) {
+	if(x > 12.0f) {
 		/* log(1/x) == -log(x) iff x > 0.
 		 * This is only used with positive cosines */
 		return x + 0.5f * (1.f / (8.0f * x) - M_LN_2PI_F - logf(x));

intern/cycles/kernel/kernel_path_state.h

@@ -170,7 +170,7 @@ ccl_device_inline bool path_state_volume_next(KernelGlobals *kg, ccl_addr_space
 	/* For volume bounding meshes we pass through without counting transparent
 	 * bounces, only sanity check in case self intersection gets us stuck. */
 	state->volume_bounds_bounce++;
-	if (state->volume_bounds_bounce > VOLUME_BOUNDS_MAX) {
+	if(state->volume_bounds_bounce > VOLUME_BOUNDS_MAX) {
 		return false;
 	}
 

intern/cycles/kernel/kernel_shader.h

@@ -1010,7 +1010,7 @@ ccl_device void shader_eval_surface(KernelGlobals *kg, ShaderData *sd,
 		DiffuseBsdf *bsdf = (DiffuseBsdf*)bsdf_alloc(sd,
 		                                             sizeof(DiffuseBsdf),
 		                                             make_float3(0.8f, 0.8f, 0.8f));
-		if (bsdf != NULL) {
+		if(bsdf != NULL) {
 			bsdf->N = sd->N;
 			sd->flag |= bsdf_diffuse_setup(bsdf);
 		}

intern/cycles/kernel/osl/osl_bssrdf.cpp

@@ -69,22 +69,22 @@ public:
 
 	void setup(ShaderData *sd, int path_flag, float3 weight)
 	{
-		if (method == u_cubic) {
+		if(method == u_cubic) {
 			alloc(sd, path_flag, weight, CLOSURE_BSSRDF_CUBIC_ID);
 		}
-		else if (method == u_gaussian) {
+		else if(method == u_gaussian) {
 			alloc(sd, path_flag, weight, CLOSURE_BSSRDF_GAUSSIAN_ID);
 		}
-		else if (method == u_burley) {
+		else if(method == u_burley) {
 			alloc(sd, path_flag, weight, CLOSURE_BSSRDF_BURLEY_ID);
 		}
-		else if (method == u_principled) {
+		else if(method == u_principled) {
 			alloc(sd, path_flag, weight, CLOSURE_BSSRDF_PRINCIPLED_ID);
 		}
-		else if (method == u_random_walk) {
+		else if(method == u_random_walk) {
 			alloc(sd, path_flag, weight, CLOSURE_BSSRDF_RANDOM_WALK_ID);
 		}
-		else if (method == u_principled_random_walk) {
+		else if(method == u_principled_random_walk) {
 			alloc(sd, path_flag, weight, CLOSURE_BSSRDF_PRINCIPLED_RANDOM_WALK_ID);
 		}
 	}

intern/cycles/kernel/osl/osl_closures.cpp

@@ -200,11 +200,9 @@ public:
 
 	void setup(ShaderData *sd, int path_flag, float3 weight)
 	{
-		if(!skip(sd, path_flag, LABEL_GLOSSY))
-		{
+		if(!skip(sd, path_flag, LABEL_GLOSSY)) {
 			PrincipledHairBSDF *bsdf = (PrincipledHairBSDF*)alloc(sd, path_flag, weight);
-			if (!bsdf)
-			{
+			if(!bsdf) {
 				return;
 			}
 

intern/cycles/kernel/svm/svm_ao.h

@@ -98,11 +98,11 @@ ccl_device void svm_node_ao(KernelGlobals *kg,
 	float3 normal = stack_valid(normal_offset)? stack_load_float3(stack, normal_offset): sd->N;
 	float ao = svm_ao(kg, sd, normal, state, dist, samples, flags);
 
-	if (stack_valid(out_ao_offset)) {
+	if(stack_valid(out_ao_offset)) {
 		stack_store_float(stack, out_ao_offset, ao);
 	}
 
-	if (stack_valid(out_color_offset)) {
+	if(stack_valid(out_color_offset)) {
 		float3 color = stack_load_float3(stack, color_offset);
 		stack_store_float3(stack, out_color_offset, ao * color);
 	}

intern/cycles/kernel/svm/svm_bevel.h

@@ -148,11 +148,11 @@ ccl_device_noinline float3 svm_bevel(
 			int prim = kernel_tex_fetch(__prim_index, isect.hits[hit].prim);
 			int shader = kernel_tex_fetch(__tri_shader, prim);
 
-			if (shader & SHADER_SMOOTH_NORMAL) {
+			if(shader & SHADER_SMOOTH_NORMAL) {
 				float u = isect.hits[hit].u;
 				float v = isect.hits[hit].v;
 
-				if (sd->type & PRIMITIVE_TRIANGLE) {
+				if(sd->type & PRIMITIVE_TRIANGLE) {
 					N = triangle_smooth_normal(kg, N, prim, u, v);
 				}
 #ifdef __OBJECT_MOTION__

intern/cycles/kernel/svm/svm_closure.h

@@ -757,7 +757,7 @@ ccl_device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *
 
 			const AttributeDescriptor attr_descr_random = find_attribute(kg, sd, data_node4.y);
 			float random = 0.0f;
-			if (attr_descr_random.offset != ATTR_STD_NOT_FOUND) {
+			if(attr_descr_random.offset != ATTR_STD_NOT_FOUND) {
 				random = primitive_attribute_float(kg, sd, attr_descr_random, NULL, NULL);
 			}
 			else {
@@ -769,7 +769,7 @@ ccl_device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *
 			if(bsdf) {
 				PrincipledHairExtra *extra = (PrincipledHairExtra*)closure_alloc_extra(sd, sizeof(PrincipledHairExtra));
 
-				if (!extra)
+				if(!extra)
 					break;
 
 				/* Random factors range: [-randomization/2, +randomization/2]. */

intern/cycles/kernel/svm/svm_math_util.h

@@ -94,13 +94,13 @@ ccl_device float svm_math(NodeMath type, float Fac1, float Fac2)
 		Fac = fabsf(Fac1);
 	else if(type == NODE_MATH_ARCTAN2)
 		Fac = atan2f(Fac1, Fac2);
-	else if (type == NODE_MATH_FLOOR)
+	else if(type == NODE_MATH_FLOOR)
 		Fac = floorf(Fac1);
-	else if (type == NODE_MATH_CEIL)
+	else if(type == NODE_MATH_CEIL)
 		Fac = ceilf(Fac1);
-	else if (type == NODE_MATH_FRACT)
+	else if(type == NODE_MATH_FRACT)
 		Fac = Fac1 - floorf(Fac1);
-	else if (type == NODE_MATH_SQRT)
+	else if(type == NODE_MATH_SQRT)
 		Fac = safe_sqrtf(Fac1);
 	else if(type == NODE_MATH_CLAMP)
 		Fac = saturate(Fac1);

intern/cycles/kernel/svm/svm_voronoi.h

@@ -70,7 +70,7 @@ ccl_device void voronoi_neighbors(float3 p, NodeVoronoiDistanceMetric distance,
 				}
 
 				/* To keep the shortest four distances and associated points we have to keep them in sorted order. */
-				if (d < da[0]) {
+				if(d < da[0]) {
 					da[3] = da[2];
 					da[2] = da[1];
 					da[1] = da[0];
@@ -81,7 +81,7 @@ ccl_device void voronoi_neighbors(float3 p, NodeVoronoiDistanceMetric distance,
 					pa[1] = pa[0];
 					pa[0] = vp;
 				}
-				else if (d < da[1]) {
+				else if(d < da[1]) {
 					da[3] = da[2];
 					da[2] = da[1];
 					da[1] = d;
@@ -90,14 +90,14 @@ ccl_device void voronoi_neighbors(float3 p, NodeVoronoiDistanceMetric distance,
 					pa[2] = pa[1];
 					pa[1] = vp;
 				}
-				else if (d < da[2]) {
+				else if(d < da[2]) {
 					da[3] = da[2];
 					da[2] = d;
 
 					pa[3] = pa[2];
 					pa[2] = vp;
 				}
-				else if (d < da[3]) {
+				else if(d < da[3]) {
 					da[3] = d;
 					pa[3] = vp;
 				}

intern/cycles/render/graph.cpp

@@ -245,7 +245,7 @@ void ShaderGraph::connect(ShaderOutput *from, ShaderInput *to)
 		ShaderNode *convert;
 		ShaderInput *convert_in;
 
-		if (to->type() == SocketType::CLOSURE) {
+		if(to->type() == SocketType::CLOSURE) {
 			EmissionNode *emission = new EmissionNode();
 			emission->color = make_float3(1.0f, 1.0f, 1.0f);
 			emission->strength = 1.0f;

intern/cycles/render/light.cpp

@@ -548,7 +548,7 @@ void LightManager::device_update_background(Device *device,
 	/* get the resolution from the light's size (we stuff it in there) */
 	int2 res = make_int2(background_light->map_resolution, background_light->map_resolution/2);
 	/* If the resolution isn't set manually, try to find an environment texture. */
-	if (res.x == 0) {
+	if(res.x == 0) {
 		Shader *shader = (scene->background->shader) ? scene->background->shader : scene->default_background;
 		foreach(ShaderNode *node, shader->graph->nodes) {
 			if(node->type == EnvironmentTextureNode::node_type) {
@@ -560,12 +560,12 @@ void LightManager::device_update_background(Device *device,
 				}
 			}
 		}
-		if (res.x > 0 && res.y > 0) {
+		if(res.x > 0 && res.y > 0) {
 			VLOG(2) << "Automatically set World MIS resolution to " << res.x << " by " << res.y << "\n";
 		}
 	}
 	/* If it's still unknown, just use the default. */
-	if (res.x == 0 || res.y == 0) {
+	if(res.x == 0 || res.y == 0) {
 		res = make_int2(1024, 512);
 		VLOG(2) << "Setting World MIS resolution to default\n";
 	}

intern/cycles/render/nodes.cpp

@@ -951,9 +951,9 @@ void VoronoiTextureNode::compile(SVMCompiler& compiler)
 	ShaderOutput *color_out = output("Color");
 	ShaderOutput *fac_out = output("Fac");
 
-	if (vector_in->link) compiler.stack_assign(vector_in);
-	if (scale_in->link) compiler.stack_assign(scale_in);
-	if (exponent_in->link) compiler.stack_assign(exponent_in);
+	if(vector_in->link) compiler.stack_assign(vector_in);
+	if(scale_in->link) compiler.stack_assign(scale_in);
+	if(exponent_in->link) compiler.stack_assign(exponent_in);
 
 	int vector_offset = tex_mapping.compile_begin(compiler, vector_in);
 
@@ -2856,7 +2856,7 @@ void AmbientOcclusionNode::compile(SVMCompiler& compiler)
 
 	int flags = (inside? NODE_AO_INSIDE : 0) | (only_local? NODE_AO_ONLY_LOCAL : 0);
 
-	if (!distance_in->link && distance == 0.0f) {
+	if(!distance_in->link && distance == 0.0f) {
 		flags |= NODE_AO_GLOBAL_RADIUS;
 	}
 

intern/cycles/util/util_math_intersect.h

@@ -136,10 +136,10 @@ ccl_device_forceinline bool ray_triangle_intersect(
 
 #if defined(__KERNEL_SSE2__)  && defined (__KERNEL_SSE__)
 	int uvw_sign = movemask(UVWW) & 0x7;
-	if (uvw_sign != 0)
-	{
-		if (uvw_sign != 0x7)
+	if(uvw_sign != 0) {
+		if(uvw_sign != 0x7) {
 			return false;
+		}
 	}
 #else
 	const float minUVW = min(U, min(V, W));

intern/cycles/util/util_system.cpp

@@ -300,7 +300,7 @@ size_t system_physical_ram()
 #elif defined(__APPLE__)
 	uint64_t ram = 0;
 	size_t len = sizeof(ram);
-	if (sysctlbyname("hw.memsize", &ram, &len, NULL, 0) == 0) {
+	if(sysctlbyname("hw.memsize", &ram, &len, NULL, 0) == 0) {
 		return ram;
 	}
 	return 0;