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Differential D14393 Diff 49449 intern/cycles/kernel/svm/ramp.h

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intern/cycles/kernel/svm/ramp.h

Show First 20 Lines • Show All 96 Lines • ▼ Show 20 Linesccl_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