[Bf-blender-cvs] [f7bada0] master: Cycles: add constant folding for more color operation nodes.
Alexander Gavrilov
noreply at git.blender.org
Sun Jun 19 20:37:01 CEST 2016
Commit: f7bada00a73e3117b46742ece279fc95bac7e81f
Author: Alexander Gavrilov
Date: Sun Jun 19 13:28:50 2016 +0300
Branches: master
https://developer.blender.org/rBf7bada00a73e3117b46742ece279fc95bac7e81f
Cycles: add constant folding for more color operation nodes.
Invert, brightness & constrast, separate/combine and Mix RGB blend modes
and clamping.
===================================================================
M intern/cycles/kernel/svm/svm.h
M intern/cycles/kernel/svm/svm_brightness.h
A intern/cycles/kernel/svm/svm_color_util.h
M intern/cycles/kernel/svm/svm_mix.h
M intern/cycles/render/nodes.cpp
M intern/cycles/render/nodes.h
===================================================================
diff --git a/intern/cycles/kernel/svm/svm.h b/intern/cycles/kernel/svm/svm.h
index 543e31b..de7e03e 100644
--- a/intern/cycles/kernel/svm/svm.h
+++ b/intern/cycles/kernel/svm/svm.h
@@ -142,6 +142,7 @@ CCL_NAMESPACE_END
#include "svm_noise.h"
#include "svm_texture.h"
+#include "svm_color_util.h"
#include "svm_math_util.h"
#include "svm_attribute.h"
diff --git a/intern/cycles/kernel/svm/svm_brightness.h b/intern/cycles/kernel/svm/svm_brightness.h
index e4d545a..d71b0ee 100644
--- a/intern/cycles/kernel/svm/svm_brightness.h
+++ b/intern/cycles/kernel/svm/svm_brightness.h
@@ -25,12 +25,7 @@ ccl_device void svm_node_brightness(ShaderData *sd, float *stack, uint in_color,
float brightness = stack_load_float(stack, bright_offset);
float contrast = stack_load_float(stack, contrast_offset);
- float a = 1.0f + contrast;
- float b = brightness - contrast*0.5f;
-
- color.x = max(a*color.x + b, 0.0f);
- color.y = max(a*color.y + b, 0.0f);
- color.z = max(a*color.z + b, 0.0f);
+ color = svm_brightness_contrast(color, brightness, contrast);
if(stack_valid(out_color))
stack_store_float3(stack, out_color, color);
diff --git a/intern/cycles/kernel/svm/svm_mix.h b/intern/cycles/kernel/svm/svm_color_util.h
similarity index 93%
copy from intern/cycles/kernel/svm/svm_mix.h
copy to intern/cycles/kernel/svm/svm_color_util.h
index 7cbda11..258cdeb 100644
--- a/intern/cycles/kernel/svm/svm_mix.h
+++ b/intern/cycles/kernel/svm/svm_color_util.h
@@ -290,19 +290,16 @@ ccl_device_noinline float3 svm_mix(NodeMix type, float fac, float3 c1, float3 c2
return make_float3(0.0f, 0.0f, 0.0f);
}
-/* Node */
-
-ccl_device void svm_node_mix(KernelGlobals *kg, ShaderData *sd, float *stack, uint fac_offset, uint c1_offset, uint c2_offset, int *offset)
+ccl_device_inline float3 svm_brightness_contrast(float3 color, float brightness, float contrast)
{
- /* read extra data */
- uint4 node1 = read_node(kg, offset);
+ float a = 1.0f + contrast;
+ float b = brightness - contrast*0.5f;
- float fac = stack_load_float(stack, fac_offset);
- float3 c1 = stack_load_float3(stack, c1_offset);
- float3 c2 = stack_load_float3(stack, c2_offset);
- float3 result = svm_mix((NodeMix)node1.y, fac, c1, c2);
+ color.x = max(a*color.x + b, 0.0f);
+ color.y = max(a*color.y + b, 0.0f);
+ color.z = max(a*color.z + b, 0.0f);
- stack_store_float3(stack, node1.z, result);
+ return color;
}
CCL_NAMESPACE_END
diff --git a/intern/cycles/kernel/svm/svm_mix.h b/intern/cycles/kernel/svm/svm_mix.h
index 7cbda11..022a68d 100644
--- a/intern/cycles/kernel/svm/svm_mix.h
+++ b/intern/cycles/kernel/svm/svm_mix.h
@@ -16,280 +16,6 @@
CCL_NAMESPACE_BEGIN
-ccl_device float3 svm_mix_blend(float t, float3 col1, float3 col2)
-{
- return interp(col1, col2, t);
-}
-
-ccl_device float3 svm_mix_add(float t, float3 col1, float3 col2)
-{
- return interp(col1, col1 + col2, t);
-}
-
-ccl_device float3 svm_mix_mul(float t, float3 col1, float3 col2)
-{
- return interp(col1, col1 * col2, t);
-}
-
-ccl_device float3 svm_mix_screen(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
- float3 one = make_float3(1.0f, 1.0f, 1.0f);
- float3 tm3 = make_float3(tm, tm, tm);
-
- return one - (tm3 + t*(one - col2))*(one - col1);
-}
-
-ccl_device float3 svm_mix_overlay(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 outcol = col1;
-
- if(outcol.x < 0.5f)
- outcol.x *= tm + 2.0f*t*col2.x;
- else
- outcol.x = 1.0f - (tm + 2.0f*t*(1.0f - col2.x))*(1.0f - outcol.x);
-
- if(outcol.y < 0.5f)
- outcol.y *= tm + 2.0f*t*col2.y;
- else
- outcol.y = 1.0f - (tm + 2.0f*t*(1.0f - col2.y))*(1.0f - outcol.y);
-
- if(outcol.z < 0.5f)
- outcol.z *= tm + 2.0f*t*col2.z;
- else
- outcol.z = 1.0f - (tm + 2.0f*t*(1.0f - col2.z))*(1.0f - outcol.z);
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_sub(float t, float3 col1, float3 col2)
-{
- return interp(col1, col1 - col2, t);
-}
-
-ccl_device float3 svm_mix_div(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 outcol = col1;
-
- if(col2.x != 0.0f) outcol.x = tm*outcol.x + t*outcol.x/col2.x;
- if(col2.y != 0.0f) outcol.y = tm*outcol.y + t*outcol.y/col2.y;
- if(col2.z != 0.0f) outcol.z = tm*outcol.z + t*outcol.z/col2.z;
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_diff(float t, float3 col1, float3 col2)
-{
- return interp(col1, fabs(col1 - col2), t);
-}
-
-ccl_device float3 svm_mix_dark(float t, float3 col1, float3 col2)
-{
- return min(col1, col2)*t + col1*(1.0f - t);
-}
-
-ccl_device float3 svm_mix_light(float t, float3 col1, float3 col2)
-{
- return max(col1, col2*t);
-}
-
-ccl_device float3 svm_mix_dodge(float t, float3 col1, float3 col2)
-{
- float3 outcol = col1;
-
- if(outcol.x != 0.0f) {
- float tmp = 1.0f - t*col2.x;
- if(tmp <= 0.0f)
- outcol.x = 1.0f;
- else if((tmp = outcol.x/tmp) > 1.0f)
- outcol.x = 1.0f;
- else
- outcol.x = tmp;
- }
- if(outcol.y != 0.0f) {
- float tmp = 1.0f - t*col2.y;
- if(tmp <= 0.0f)
- outcol.y = 1.0f;
- else if((tmp = outcol.y/tmp) > 1.0f)
- outcol.y = 1.0f;
- else
- outcol.y = tmp;
- }
- if(outcol.z != 0.0f) {
- float tmp = 1.0f - t*col2.z;
- if(tmp <= 0.0f)
- outcol.z = 1.0f;
- else if((tmp = outcol.z/tmp) > 1.0f)
- outcol.z = 1.0f;
- else
- outcol.z = tmp;
- }
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_burn(float t, float3 col1, float3 col2)
-{
- float tmp, tm = 1.0f - t;
-
- float3 outcol = col1;
-
- tmp = tm + t*col2.x;
- if(tmp <= 0.0f)
- outcol.x = 0.0f;
- else if((tmp = (1.0f - (1.0f - outcol.x)/tmp)) < 0.0f)
- outcol.x = 0.0f;
- else if(tmp > 1.0f)
- outcol.x = 1.0f;
- else
- outcol.x = tmp;
-
- tmp = tm + t*col2.y;
- if(tmp <= 0.0f)
- outcol.y = 0.0f;
- else if((tmp = (1.0f - (1.0f - outcol.y)/tmp)) < 0.0f)
- outcol.y = 0.0f;
- else if(tmp > 1.0f)
- outcol.y = 1.0f;
- else
- outcol.y = tmp;
-
- tmp = tm + t*col2.z;
- if(tmp <= 0.0f)
- outcol.z = 0.0f;
- else if((tmp = (1.0f - (1.0f - outcol.z)/tmp)) < 0.0f)
- outcol.z = 0.0f;
- else if(tmp > 1.0f)
- outcol.z = 1.0f;
- else
- outcol.z = tmp;
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_hue(float t, float3 col1, float3 col2)
-{
- float3 outcol = col1;
-
- float3 hsv2 = rgb_to_hsv(col2);
-
- if(hsv2.y != 0.0f) {
- float3 hsv = rgb_to_hsv(outcol);
- hsv.x = hsv2.x;
- float3 tmp = hsv_to_rgb(hsv);
-
- outcol = interp(outcol, tmp, t);
- }
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_sat(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 outcol = col1;
-
- float3 hsv = rgb_to_hsv(outcol);
-
- if(hsv.y != 0.0f) {
- float3 hsv2 = rgb_to_hsv(col2);
-
- hsv.y = tm*hsv.y + t*hsv2.y;
- outcol = hsv_to_rgb(hsv);
- }
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_val(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 hsv = rgb_to_hsv(col1);
- float3 hsv2 = rgb_to_hsv(col2);
-
- hsv.z = tm*hsv.z + t*hsv2.z;
-
- return hsv_to_rgb(hsv);
-}
-
-ccl_device float3 svm_mix_color(float t, float3 col1, float3 col2)
-{
- float3 outcol = col1;
- float3 hsv2 = rgb_to_hsv(col2);
-
- if(hsv2.y != 0.0f) {
- float3 hsv = rgb_to_hsv(outcol);
- hsv.x = hsv2.x;
- hsv.y = hsv2.y;
- float3 tmp = hsv_to_rgb(hsv);
-
- outcol = interp(outcol, tmp, t);
- }
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_soft(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 one = make_float3(1.0f, 1.0f, 1.0f);
- float3 scr = one - (one - col2)*(one - col1);
-
- return tm*col1 + t*((one - col1)*col2*col1 + col1*scr);
-}
-
-ccl_device float3 svm_mix_linear(float t, float3 col1, float3 col2)
-{
- return col1 + t*(2.0f*col2 + make_float3(-1.0f, -1.0f, -1.0f));
-}
-
-ccl_device float3 svm_mix_clamp(float3 col)
-{
- float3 outcol = col;
-
- outcol.x = saturate(col.x);
- outcol.y = saturate(col.y);
- outcol.z = saturate(col.z);
-
- return outcol;
-}
-
-ccl_device_noinline float3 svm_mix(NodeMix type, float fac, float3 c1, float3 c2)
-{
- float t = saturate(fac);
-
- switch(type) {
- case NODE_MIX_BLEND: return svm_mix_blend(t, c1, c2);
- case NODE_MIX_ADD: return svm_mix_add(t, c1, c2);
- case NODE_MIX_MUL: return svm_mix_mul(t, c1, c2);
- case NODE_MIX_SCREEN: return svm_mix_screen(t, c1, c2);
- case NODE_MIX_OVERLAY: return svm_mix_overlay(t, c1, c2);
- case NODE_MIX_SUB: return svm_mix_sub(t, c1, c2);
- case NODE_MIX_DIV: return svm_mix_div(t, c1, c2);
- case NODE_MIX_DIFF: return svm_mix_diff(t, c1, c2);
- case NODE_MIX_DARK: return svm_mix_dark(t, c1, c2);
- case NODE_MIX_LIGHT: return svm_mix_light(t, c1, c2);
- case NODE_MIX_DODGE: return svm_mix_dodge(t, c1, c2);
- case NODE_MIX_BURN: return svm_mix_burn(t, c1, c2);
- case NODE_MIX_HUE: return svm_mix_hue(t, c1, c2);
- case NODE_MIX_SAT: return svm_mix_sat(t, c1, c2);
- case NODE_MIX_VAL: return svm_mix_val (t, c1, c2);
- case NODE_MIX_COLOR: return svm_mix_color(t, c1, c2);
- case NODE_MIX_SOFT: return svm_mix_soft(t, c1, c2);
- case NODE_MIX_LINEAR: return svm_mix_linear(t, c1, c2);
- case NODE_MIX_CLAMP: return svm_mix_clamp(c1);
- }
-
- return make_float3(0.0f, 0.0f, 0.0f);
-}
-
/* Node */
ccl_device void svm_node_mix(KernelGlobals *kg, ShaderData *sd, float *stack, uint fac_offset, uint c1_offset, uint c2_offset, int *offset)
diff --git a/intern/cycles/render/nodes.cpp b/intern/cycles/render/nodes.cpp
index afdec23..5efbf65 100644
--- a/intern/cycles/render/nodes.cpp
+++ b/intern/cycles/render/nodes.cpp
@@ -19,6 +19,7 @@
#include "nodes.h"
#include "scene.h"
#include "svm.h"
+#include "svm_color_util.h"
#include "svm_math_util.h"
#include "osl.h"
@@ -3578,6 +3579,28 @@ InvertNode::InvertNode()
{
}
+bool InvertNode::constant_fold(ShaderGraph *graph, ShaderOutput *, ShaderInput *optimized)
+{
+ ShaderInput *fac_in = input("Fac");
+ ShaderInput *color_in = input("Color");
+ ShaderOutput *color_out = output("Color");
+
+ if(!fac_in->link) {
+ /* evaluate fully constant node */
+ if(!color_in->link) {
+ optimized->set(interp(color, make_float3(1.0f, 1.0f, 1.0f) - color, fac));
+ return true;
+ }
+ /* remove no-op node */
+ else if(fac == 0.0f) {
+ graph->relink(this, color_out, color_in->link);
+ return true;
+ }
+ }
+
+ return false;
+}
+
void InvertNode::compile(SVMCompiler& compiler)
{
ShaderInput *fac_in = input("Fac");
@@ -3666,37
@@ Diff output truncated at 10240 characters. @@
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