diff options
author | Charlie Jolly <mistajolly@gmail.com> | 2020-01-27 18:04:49 +0300 |
---|---|---|
committer | Charlie Jolly <mistajolly@gmail.com> | 2020-01-27 18:47:51 +0300 |
commit | 20e803ac6bc655d4d7ffbf02e797b4ab1f3ba0ed (patch) | |
tree | 0fac7771e538287634151dba4285ef25b7043a67 /intern | |
parent | 84c537e68528177ef982479f5884af07cec322b9 (diff) |
Shading: Add color output to White Noise node
Hash input values to a color.
Differential Revision: https://developer.blender.org/D6672
Diffstat (limited to 'intern')
-rw-r--r-- | intern/cycles/kernel/shaders/node_white_noise_texture.osl | 12 | ||||
-rw-r--r-- | intern/cycles/kernel/svm/svm_white_noise.h | 68 | ||||
-rw-r--r-- | intern/cycles/render/nodes.cpp | 5 |
3 files changed, 62 insertions, 23 deletions
diff --git a/intern/cycles/kernel/shaders/node_white_noise_texture.osl b/intern/cycles/kernel/shaders/node_white_noise_texture.osl index f026fb4ab39..95f91d25e5e 100644 --- a/intern/cycles/kernel/shaders/node_white_noise_texture.osl +++ b/intern/cycles/kernel/shaders/node_white_noise_texture.osl @@ -15,23 +15,33 @@ */ #include "stdosl.h" +#include "vector2.h" +#include "vector4.h" +#include "node_hash.h" + +#define vector3 point shader node_white_noise_texture(string dimensions = "3D", point Vector = point(0.0, 0.0, 0.0), float W = 0.0, - output float Value = 0.0) + output float Value = 0.0, + output color Color = 0.0) { if (dimensions == "1D") { Value = noise("hash", W); + Color = hash_float_to_color(W); } else if (dimensions == "2D") { Value = noise("hash", Vector[0], Vector[1]); + Color = hash_vector2_to_color(vector2(Vector[0], Vector[1])); } else if (dimensions == "3D") { Value = noise("hash", Vector); + Color = hash_vector3_to_color(vector3(Vector[0], Vector[1], Vector[2])); } else if (dimensions == "4D") { Value = noise("hash", Vector, W); + Color = hash_vector4_to_color(vector4(Vector[0], Vector[1], Vector[2], W)); } else { warning("%s", "Unknown dimension!"); diff --git a/intern/cycles/kernel/svm/svm_white_noise.h b/intern/cycles/kernel/svm/svm_white_noise.h index 71d4591d25d..b30d85acaec 100644 --- a/intern/cycles/kernel/svm/svm_white_noise.h +++ b/intern/cycles/kernel/svm/svm_white_noise.h @@ -21,35 +21,61 @@ ccl_device void svm_node_tex_white_noise(KernelGlobals *kg, float *stack, uint dimensions, uint inputs_stack_offsets, - uint value_stack_offset, + uint ouptuts_stack_offsets, int *offset) { - uint vector_stack_offset, w_stack_offset; + uint vector_stack_offset, w_stack_offset, value_stack_offset, color_stack_offset; svm_unpack_node_uchar2(inputs_stack_offsets, &vector_stack_offset, &w_stack_offset); + svm_unpack_node_uchar2(ouptuts_stack_offsets, &value_stack_offset, &color_stack_offset); float3 vector = stack_load_float3(stack, vector_stack_offset); float w = stack_load_float(stack, w_stack_offset); - float value; - switch (dimensions) { - case 1: - value = hash_float_to_float(w); - break; - case 2: - value = hash_float2_to_float(make_float2(vector.x, vector.y)); - break; - case 3: - value = hash_float3_to_float(vector); - break; - case 4: - value = hash_float4_to_float(make_float4(vector.x, vector.y, vector.z, w)); - break; - default: - value = 0.0f; - kernel_assert(0); - break; + if (stack_valid(color_stack_offset)) { + float3 color; + switch (dimensions) { + case 1: + color = hash_float_to_float3(w); + break; + case 2: + color = hash_float2_to_float3(make_float2(vector.x, vector.y)); + break; + case 3: + color = hash_float3_to_float3(vector); + break; + case 4: + color = hash_float4_to_float3(make_float4(vector.x, vector.y, vector.z, w)); + break; + default: + color = make_float3(1.0f, 0.0f, 1.0f); + kernel_assert(0); + break; + } + stack_store_float3(stack, color_stack_offset, color); + } + + if (stack_valid(value_stack_offset)) { + float value; + switch (dimensions) { + case 1: + value = hash_float_to_float(w); + break; + case 2: + value = hash_float2_to_float(make_float2(vector.x, vector.y)); + break; + case 3: + value = hash_float3_to_float(vector); + break; + case 4: + value = hash_float4_to_float(make_float4(vector.x, vector.y, vector.z, w)); + break; + default: + value = 0.0f; + kernel_assert(0); + break; + } + stack_store_float(stack, value_stack_offset, value); } - stack_store_float(stack, value_stack_offset, value); } CCL_NAMESPACE_END diff --git a/intern/cycles/render/nodes.cpp b/intern/cycles/render/nodes.cpp index e4339b40744..bdab2a99897 100644 --- a/intern/cycles/render/nodes.cpp +++ b/intern/cycles/render/nodes.cpp @@ -1288,6 +1288,7 @@ NODE_DEFINE(WhiteNoiseTextureNode) SOCKET_IN_FLOAT(w, "W", 0.0f); SOCKET_OUT_FLOAT(value, "Value"); + SOCKET_OUT_COLOR(color, "Color"); return type; } @@ -1301,15 +1302,17 @@ void WhiteNoiseTextureNode::compile(SVMCompiler &compiler) ShaderInput *vector_in = input("Vector"); ShaderInput *w_in = input("W"); ShaderOutput *value_out = output("Value"); + ShaderOutput *color_out = output("Color"); int vector_stack_offset = compiler.stack_assign(vector_in); int w_stack_offset = compiler.stack_assign(w_in); int value_stack_offset = compiler.stack_assign(value_out); + int color_stack_offset = compiler.stack_assign(color_out); compiler.add_node(NODE_TEX_WHITE_NOISE, dimensions, compiler.encode_uchar4(vector_stack_offset, w_stack_offset), - value_stack_offset); + compiler.encode_uchar4(value_stack_offset, color_stack_offset)); } void WhiteNoiseTextureNode::compile(OSLCompiler &compiler) |