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intern/cycles/kernel/svm/ramp.h
| Show First 20 Lines • Show All 96 Lines • ▼ Show 20 Lines | ccl_device_noinline int svm_node_rgb_ramp( | ||||
| offset += table_size; | offset += table_size; | ||||
| return offset; | return offset; | ||||
| } | } | ||||
| ccl_device_noinline int svm_node_curves( | ccl_device_noinline int svm_node_curves( | ||||
| KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset) | KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset) | ||||
| { | { | ||||
| uint fac_offset, color_offset, out_offset; | uint fac_offset, color_offset, out_offset, extrapolate; | ||||
| svm_unpack_node_uchar3(node.y, &fac_offset, &color_offset, &out_offset); | svm_unpack_node_uchar4(node.y, &fac_offset, &color_offset, &out_offset, &extrapolate); | ||||
| uint table_size = read_node(kg, &offset).x; | uint table_size = read_node(kg, &offset).x; | ||||
| float fac = stack_load_float(stack, fac_offset); | float fac = stack_load_float(stack, fac_offset); | ||||
| float3 color = stack_load_float3(stack, color_offset); | float3 color = stack_load_float3(stack, color_offset); | ||||
| const float min_x = __int_as_float(node.z), max_x = __int_as_float(node.w); | const float min_x = __int_as_float(node.z), max_x = __int_as_float(node.w); | ||||
| const float range_x = max_x - min_x; | const float range_x = max_x - min_x; | ||||
| const float3 relpos = (color - make_float3(min_x, min_x, min_x)) / range_x; | const float3 relpos = (color - make_float3(min_x, min_x, min_x)) / range_x; | ||||
| float r = rgb_ramp_lookup(kg, offset, relpos.x, true, true, table_size).x; | float r = rgb_ramp_lookup(kg, offset, relpos.x, true, extrapolate, table_size).x; | ||||
| float g = rgb_ramp_lookup(kg, offset, relpos.y, true, true, table_size).y; | float g = rgb_ramp_lookup(kg, offset, relpos.y, true, extrapolate, table_size).y; | ||||
| float b = rgb_ramp_lookup(kg, offset, relpos.z, true, true, table_size).z; | float b = rgb_ramp_lookup(kg, offset, relpos.z, true, extrapolate, table_size).z; | ||||
| color = (1.0f - fac) * color + fac * make_float3(r, g, b); | color = (1.0f - fac) * color + fac * make_float3(r, g, b); | ||||
| stack_store_float3(stack, out_offset, color); | stack_store_float3(stack, out_offset, color); | ||||
| offset += table_size; | offset += table_size; | ||||
| return offset; | return offset; | ||||
| } | } | ||||
| ccl_device_noinline int svm_node_curve( | ccl_device_noinline int svm_node_curve( | ||||
| KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset) | KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset) | ||||
| { | { | ||||
| uint fac_offset, value_in_offset, out_offset; | uint fac_offset, value_in_offset, out_offset, extrapolate; | ||||
| svm_unpack_node_uchar3(node.y, &fac_offset, &value_in_offset, &out_offset); | svm_unpack_node_uchar4(node.y, &fac_offset, &value_in_offset, &out_offset, &extrapolate); | ||||
| uint table_size = read_node(kg, &offset).x; | uint table_size = read_node(kg, &offset).x; | ||||
| float fac = stack_load_float(stack, fac_offset); | float fac = stack_load_float(stack, fac_offset); | ||||
| float in = stack_load_float(stack, value_in_offset); | float in = stack_load_float(stack, value_in_offset); | ||||
| const float min = __int_as_float(node.z), max = __int_as_float(node.w); | const float min = __int_as_float(node.z), max = __int_as_float(node.w); | ||||
| const float range = max - min; | const float range = max - min; | ||||
| const float relpos = (in - min) / range; | const float relpos = (in - min) / range; | ||||
| float v = float_ramp_lookup(kg, offset, relpos, true, true, table_size); | float v = float_ramp_lookup(kg, offset, relpos, true, extrapolate, table_size); | ||||
| in = (1.0f - fac) * in + fac * v; | in = (1.0f - fac) * in + fac * v; | ||||
| stack_store_float(stack, out_offset, in); | stack_store_float(stack, out_offset, in); | ||||
| offset += table_size; | offset += table_size; | ||||
| return offset; | return offset; | ||||
| } | } | ||||
| CCL_NAMESPACE_END | CCL_NAMESPACE_END | ||||