diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_mixRgb.cc')
| -rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_mixRgb.cc | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_mixRgb.cc b/source/blender/nodes/shader/nodes/node_shader_mixRgb.cc new file mode 100644 index 00000000000..6baaa17f956 --- /dev/null +++ b/source/blender/nodes/shader/nodes/node_shader_mixRgb.cc @@ -0,0 +1,141 @@ +/* + * 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. + * + * The Original Code is Copyright (C) 2005 Blender Foundation. + * All rights reserved. + */ + +/** \file + * \ingroup shdnodes + */ + +#include "node_shader_util.h" + +/* **************** MIX RGB ******************** */ +static bNodeSocketTemplate sh_node_mix_rgb_in[] = { + {SOCK_FLOAT, N_("Fac"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + {SOCK_RGBA, N_("Color1"), 0.5f, 0.5f, 0.5f, 1.0f}, + {SOCK_RGBA, N_("Color2"), 0.5f, 0.5f, 0.5f, 1.0f}, + {-1, ""}, +}; +static bNodeSocketTemplate sh_node_mix_rgb_out[] = { + {SOCK_RGBA, N_("Color")}, + {-1, ""}, +}; + +static void node_shader_exec_mix_rgb(void *UNUSED(data), + int UNUSED(thread), + bNode *node, + bNodeExecData *UNUSED(execdata), + bNodeStack **in, + bNodeStack **out) +{ + /* stack order in: fac, col1, col2 */ + /* stack order out: col */ + float col[3]; + float fac; + float vec[3]; + + nodestack_get_vec(&fac, SOCK_FLOAT, in[0]); + CLAMP(fac, 0.0f, 1.0f); + + nodestack_get_vec(col, SOCK_VECTOR, in[1]); + nodestack_get_vec(vec, SOCK_VECTOR, in[2]); + + ramp_blend(node->custom1, col, fac, vec); + if (node->custom2 & SHD_MIXRGB_CLAMP) { + CLAMP3(col, 0.0f, 1.0f); + } + copy_v3_v3(out[0]->vec, col); +} + +static const char *gpu_shader_get_name(int mode) +{ + switch (mode) { + case MA_RAMP_BLEND: + return "mix_blend"; + case MA_RAMP_ADD: + return "mix_add"; + case MA_RAMP_MULT: + return "mix_mult"; + case MA_RAMP_SUB: + return "mix_sub"; + case MA_RAMP_SCREEN: + return "mix_screen"; + case MA_RAMP_DIV: + return "mix_div"; + case MA_RAMP_DIFF: + return "mix_diff"; + case MA_RAMP_DARK: + return "mix_dark"; + case MA_RAMP_LIGHT: + return "mix_light"; + case MA_RAMP_OVERLAY: + return "mix_overlay"; + case MA_RAMP_DODGE: + return "mix_dodge"; + case MA_RAMP_BURN: + return "mix_burn"; + case MA_RAMP_HUE: + return "mix_hue"; + case MA_RAMP_SAT: + return "mix_sat"; + case MA_RAMP_VAL: + return "mix_val"; + case MA_RAMP_COLOR: + return "mix_color"; + case MA_RAMP_SOFT: + return "mix_soft"; + case MA_RAMP_LINEAR: + return "mix_linear"; + } + + return nullptr; +} + +static int gpu_shader_mix_rgb(GPUMaterial *mat, + bNode *node, + bNodeExecData *UNUSED(execdata), + GPUNodeStack *in, + GPUNodeStack *out) +{ + const char *name = gpu_shader_get_name(node->custom1); + + if (name != nullptr) { + int ret = GPU_stack_link(mat, node, name, in, out); + if (ret && node->custom2 & SHD_MIXRGB_CLAMP) { + const float min[3] = {0.0f, 0.0f, 0.0f}; + const float max[3] = {1.0f, 1.0f, 1.0f}; + GPU_link( + mat, "clamp_color", out[0].link, GPU_constant(min), GPU_constant(max), &out[0].link); + } + return ret; + } + + return 0; +} + +void register_node_type_sh_mix_rgb(void) +{ + static bNodeType ntype; + + sh_node_type_base(&ntype, SH_NODE_MIX_RGB, "Mix", NODE_CLASS_OP_COLOR, 0); + node_type_socket_templates(&ntype, sh_node_mix_rgb_in, sh_node_mix_rgb_out); + node_type_label(&ntype, node_blend_label); + node_type_exec(&ntype, nullptr, nullptr, node_shader_exec_mix_rgb); + node_type_gpu(&ntype, gpu_shader_mix_rgb); + + nodeRegisterType(&ntype); +} |