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Code refactor: use dynamic shader node array lengths now that OSL supports them.

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This commit is contained in:
Brecht Van Lommel
2016-05-08 01:54:35 +02:00
parent 93e4ae84ad
commit 08670d3b81
13 changed files with 106 additions and 166 deletions
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9
intern/cycles/kernel/shaders/node_rgb_ramp.osl
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@@ -18,20 +18,21 @@
#include "oslutil.h"
shader node_rgb_ramp(
color ramp_color[RAMP_TABLE_SIZE] = {0.0},
float ramp_alpha[RAMP_TABLE_SIZE] = {0.0},
color ramp_color[] = {0.0},
float ramp_alpha[] = {0.0},
int ramp_interpolate = 1,
float Fac = 0.0,
output color Color = 0.0,
output float Alpha = 1.0)
{
float f = clamp(Fac, 0.0, 1.0) * (RAMP_TABLE_SIZE - 1);
int table_size = arraylength(ramp_color);
float f = clamp(Fac, 0.0, 1.0) * (table_size - 1);
/* clamp int as well in case of NaN */
int i = (int)f;
if (i < 0) i = 0;
if (i >= RAMP_TABLE_SIZE) i = RAMP_TABLE_SIZE - 1;
if (i >= table_size) i = table_size - 1;
float t = f - (float)i;
Color = ramp_color[i];