From 8bfa48384d3604cfc5fd265e89bf86f129242542 Mon Sep 17 00:00:00 2001 From: Brecht Van Lommel Date: Sun, 8 Jan 2012 14:55:43 +0000 Subject: Cycles: checker texture node, patch by Thomas. --- intern/cycles/app/cycles_xml.cpp | 3 ++ intern/cycles/blender/blender_shader.cpp | 7 ++++ intern/cycles/kernel/CMakeLists.txt | 1 + intern/cycles/kernel/svm/svm.h | 4 +++ intern/cycles/kernel/svm/svm_checker.h | 57 ++++++++++++++++++++++++++++++++ intern/cycles/kernel/svm/svm_types.h | 3 +- intern/cycles/render/nodes.cpp | 48 +++++++++++++++++++++++++++ intern/cycles/render/nodes.h | 5 +++ 8 files changed, 127 insertions(+), 1 deletion(-) create mode 100644 intern/cycles/kernel/svm/svm_checker.h (limited to 'intern') diff --git a/intern/cycles/app/cycles_xml.cpp b/intern/cycles/app/cycles_xml.cpp index e29a73ec9e8..af52520d87c 100644 --- a/intern/cycles/app/cycles_xml.cpp +++ b/intern/cycles/app/cycles_xml.cpp @@ -349,6 +349,9 @@ static void xml_read_shader_graph(const XMLReadState& state, Shader *shader, pug else if(string_iequals(node.name(), "noise_texture")) { snode = new NoiseTextureNode(); } + else if(string_iequals(node.name(), "checker_texture")) { + snode = new CheckerTextureNode(); + } else if(string_iequals(node.name(), "gradient_texture")) { GradientTextureNode *blend = new GradientTextureNode(); xml_read_enum(&blend->type, GradientTextureNode::type_enum, node, "type"); diff --git a/intern/cycles/blender/blender_shader.cpp b/intern/cycles/blender/blender_shader.cpp index f32d2d9a2ce..f5ffc321476 100644 --- a/intern/cycles/blender/blender_shader.cpp +++ b/intern/cycles/blender/blender_shader.cpp @@ -364,6 +364,13 @@ static ShaderNode *add_node(BL::BlendData b_data, ShaderGraph *graph, BL::Shader node = wave; break; } + case BL::ShaderNode::type_TEX_CHECKER: { + BL::ShaderNodeTexChecker b_checker_node(b_node); + CheckerTextureNode *checker = new CheckerTextureNode(); + get_tex_mapping(&checker->tex_mapping, b_checker_node.texture_mapping()); + node = checker; + break; + } case BL::ShaderNode::type_TEX_NOISE: { BL::ShaderNodeTexNoise b_noise_node(b_node); NoiseTextureNode *noise = new NoiseTextureNode(); diff --git a/intern/cycles/kernel/CMakeLists.txt b/intern/cycles/kernel/CMakeLists.txt index 939a74660a1..a4e0c0ddb56 100644 --- a/intern/cycles/kernel/CMakeLists.txt +++ b/intern/cycles/kernel/CMakeLists.txt @@ -57,6 +57,7 @@ set(SRC_SVM_HEADERS svm/svm_camera.h svm/svm_closure.h svm/svm_convert.h + svm/svm_checker.h svm/svm_displace.h svm/svm_fresnel.h svm/svm_gamma.h diff --git a/intern/cycles/kernel/svm/svm.h b/intern/cycles/kernel/svm/svm.h index 5a8d6d62c79..d22c9181a84 100644 --- a/intern/cycles/kernel/svm/svm.h +++ b/intern/cycles/kernel/svm/svm.h @@ -145,6 +145,7 @@ CCL_NAMESPACE_END #include "svm_tex_coord.h" #include "svm_value.h" #include "svm_voronoi.h" +#include "svm_checker.h" CCL_NAMESPACE_BEGIN @@ -235,6 +236,9 @@ __device_noinline void svm_eval_nodes(KernelGlobals *kg, ShaderData *sd, ShaderT case NODE_TEX_MAGIC: svm_node_tex_magic(kg, sd, stack, node, &offset); break; + case NODE_TEX_CHECKER: + svm_node_tex_checker(kg, sd, stack, node, &offset); + break; #endif case NODE_CAMERA: svm_node_camera(kg, sd, stack, node.y, node.z, node.w); diff --git a/intern/cycles/kernel/svm/svm_checker.h b/intern/cycles/kernel/svm/svm_checker.h new file mode 100644 index 00000000000..8dda5e3052b --- /dev/null +++ b/intern/cycles/kernel/svm/svm_checker.h @@ -0,0 +1,57 @@ +/* + * Copyright 2011, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +CCL_NAMESPACE_BEGIN + +/* Checker */ + +__device_noinline float svm_checker(float3 p, float scale) +{ + p *= scale; + + /* 0.00001 because of unit sized stuff */ + int xi = (int)fabsf(floor(0.00001f + p.x)); + int yi = (int)fabsf(floor(0.00001f + p.y)); + int zi = (int)fabsf(floor(0.00001f + p.z)); + + return ((xi % 2 == yi % 2) == (zi % 2))? 1.0f: 0.0f; +} + +__device void svm_node_tex_checker(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset) +{ + uint co_offset, color1_offset, color2_offset, scale_offset; + uint color_offset, fac_offset; + + decode_node_uchar4(node.y, &co_offset, &color1_offset, &color2_offset, &scale_offset); + decode_node_uchar4(node.z, &color_offset, &fac_offset, NULL, NULL); + + float3 co = stack_load_float3(stack, co_offset); + float3 color1 = stack_load_float3(stack, color1_offset); + float3 color2 = stack_load_float3(stack, color2_offset); + float scale = stack_load_float_default(stack, scale_offset, node.w); + + float f = svm_checker(co, scale); + + if(stack_valid(color_offset)) + stack_store_float3(stack, color_offset, (f == 1.0f)? color1: color2); + if(stack_valid(fac_offset)) + stack_store_float(stack, fac_offset, f); +} + +CCL_NAMESPACE_END + diff --git a/intern/cycles/kernel/svm/svm_types.h b/intern/cycles/kernel/svm/svm_types.h index c46df3f08c8..8203ed4c15e 100644 --- a/intern/cycles/kernel/svm/svm_types.h +++ b/intern/cycles/kernel/svm/svm_types.h @@ -86,7 +86,8 @@ typedef enum NodeType { NODE_CAMERA = 5300, NODE_INVERT = 5400, NODE_NORMAL = 5500, - NODE_GAMMA = 5600 + NODE_GAMMA = 5600, + NODE_TEX_CHECKER = 5700 } NodeType; typedef enum NodeAttributeType { diff --git a/intern/cycles/render/nodes.cpp b/intern/cycles/render/nodes.cpp index 81d156a079d..7397c9c09af 100644 --- a/intern/cycles/render/nodes.cpp +++ b/intern/cycles/render/nodes.cpp @@ -712,6 +712,54 @@ void MagicTextureNode::compile(OSLCompiler& compiler) compiler.add(this, "node_magic_texture"); } +/* Checker Texture */ + +CheckerTextureNode::CheckerTextureNode() +: TextureNode("checker_texture") +{ + add_input("Vector", SHADER_SOCKET_POINT, ShaderInput::TEXTURE_GENERATED); + add_input("Color1", SHADER_SOCKET_COLOR); + add_input("Color2", SHADER_SOCKET_COLOR); + add_input("Scale", SHADER_SOCKET_FLOAT, 1.0f); + + add_output("Color", SHADER_SOCKET_COLOR); + add_output("Fac", SHADER_SOCKET_FLOAT); +} + +void CheckerTextureNode::compile(SVMCompiler& compiler) +{ + ShaderInput *vector_in = input("Vector"); + ShaderInput *color1_in = input("Color1"); + ShaderInput *color2_in = input("Color2"); + ShaderInput *scale_in = input("Scale"); + + ShaderOutput *color_out = output("Color"); + ShaderOutput *fac_out = output("Fac"); + + compiler.stack_assign(vector_in); + compiler.stack_assign(color1_in); + compiler.stack_assign(color2_in); + if(scale_in->link) compiler.stack_assign(scale_in); + + if(!tex_mapping.skip()) + tex_mapping.compile(compiler, vector_in->stack_offset, vector_in->stack_offset); + + if(!color_out->links.empty()) + compiler.stack_assign(color_out); + if(!fac_out->links.empty()) + compiler.stack_assign(fac_out); + + compiler.add_node(NODE_TEX_CHECKER, + compiler.encode_uchar4(vector_in->stack_offset, color1_in->stack_offset, color2_in->stack_offset, scale_in->stack_offset), + compiler.encode_uchar4(color_out->stack_offset, fac_out->stack_offset), + __float_as_int(scale_in->value.x)); +} + +void CheckerTextureNode::compile(OSLCompiler& compiler) +{ + compiler.add(this, "node_checker_texture"); +} + /* Normal */ NormalNode::NormalNode() diff --git a/intern/cycles/render/nodes.h b/intern/cycles/render/nodes.h index f0a669f3f87..c2f9ead5924 100644 --- a/intern/cycles/render/nodes.h +++ b/intern/cycles/render/nodes.h @@ -143,6 +143,11 @@ public: int depth; }; +class CheckerTextureNode : public TextureNode { +public: + SHADER_NODE_CLASS(CheckerTextureNode) +}; + class MappingNode : public ShaderNode { public: SHADER_NODE_CLASS(MappingNode) -- cgit v1.2.3