forked from bartvdbraak/blender
Fix #35004: fireflies with .tif image in cycles, try to avoid extreme values when
openimageio can't detect premul/straight alpha correct.
This commit is contained in:
parent
0fc4f4b791
commit
cf0e457e52
@ -48,6 +48,7 @@ shader node_environment_texture(
|
||||
string filename = "",
|
||||
string projection = "Equirectangular",
|
||||
string color_space = "sRGB",
|
||||
int is_float = 1,
|
||||
output color Color = 0.0,
|
||||
output float Alpha = 1.0)
|
||||
{
|
||||
@ -66,9 +67,13 @@ shader node_environment_texture(
|
||||
/* todo: use environment for better texture filtering of equirectangular */
|
||||
Color = (color)texture(filename, p[0], 1.0 - p[1], "wrap", "periodic", "alpha", Alpha);
|
||||
|
||||
if (isconnected(Alpha))
|
||||
if (isconnected(Alpha)) {
|
||||
Color = color_unpremultiply(Color, Alpha);
|
||||
|
||||
if (!is_float)
|
||||
Color = min(Color, 1.0);
|
||||
}
|
||||
|
||||
if (color_space == "sRGB")
|
||||
Color = color_srgb_to_scene_linear(Color);
|
||||
}
|
||||
|
@ -19,12 +19,16 @@
|
||||
#include "stdosl.h"
|
||||
#include "node_color.h"
|
||||
|
||||
color image_texture_lookup(string filename, string color_space, float u, float v, output float Alpha, int use_alpha)
|
||||
color image_texture_lookup(string filename, string color_space, float u, float v, output float Alpha, int use_alpha, int is_float)
|
||||
{
|
||||
color rgb = (color)texture(filename, u, 1.0 - v, "wrap", "periodic", "alpha", Alpha);
|
||||
|
||||
if (use_alpha)
|
||||
if (use_alpha) {
|
||||
rgb = color_unpremultiply(rgb, Alpha);
|
||||
|
||||
if (!is_float)
|
||||
rgb = min(rgb, 1.0);
|
||||
}
|
||||
|
||||
if (color_space == "sRGB")
|
||||
rgb = color_srgb_to_scene_linear(rgb);
|
||||
@ -40,6 +44,7 @@ shader node_image_texture(
|
||||
string color_space = "sRGB",
|
||||
string projection = "Flat",
|
||||
float projection_blend = 0.0,
|
||||
int is_float = 1,
|
||||
output color Color = 0.0,
|
||||
output float Alpha = 1.0)
|
||||
{
|
||||
@ -51,7 +56,7 @@ shader node_image_texture(
|
||||
int use_alpha = isconnected(Alpha);
|
||||
|
||||
if (projection == "Flat") {
|
||||
Color = image_texture_lookup(filename, color_space, p[0], p[1], Alpha, use_alpha);
|
||||
Color = image_texture_lookup(filename, color_space, p[0], p[1], Alpha, use_alpha, is_float);
|
||||
}
|
||||
else if (projection == "Box") {
|
||||
/* object space normal */
|
||||
@ -116,15 +121,15 @@ shader node_image_texture(
|
||||
float tmp_alpha;
|
||||
|
||||
if (weight[0] > 0.0) {
|
||||
Color += weight[0] * image_texture_lookup(filename, color_space, p[1], p[2], tmp_alpha, use_alpha);
|
||||
Color += weight[0] * image_texture_lookup(filename, color_space, p[1], p[2], tmp_alpha, use_alpha, is_float);
|
||||
Alpha += weight[0] * tmp_alpha;
|
||||
}
|
||||
if (weight[1] > 0.0) {
|
||||
Color += weight[1] * image_texture_lookup(filename, color_space, p[0], p[2], tmp_alpha, use_alpha);
|
||||
Color += weight[1] * image_texture_lookup(filename, color_space, p[0], p[2], tmp_alpha, use_alpha, is_float);
|
||||
Alpha += weight[1] * tmp_alpha;
|
||||
}
|
||||
if (weight[2] > 0.0) {
|
||||
Color += weight[2] * image_texture_lookup(filename, color_space, p[1], p[0], tmp_alpha, use_alpha);
|
||||
Color += weight[2] * image_texture_lookup(filename, color_space, p[1], p[0], tmp_alpha, use_alpha, is_float);
|
||||
Alpha += weight[2] * tmp_alpha;
|
||||
}
|
||||
}
|
||||
|
@ -93,6 +93,12 @@ __device float4 svm_image_texture(KernelGlobals *kg, int id, float x, float y, u
|
||||
r.x *= invw;
|
||||
r.y *= invw;
|
||||
r.z *= invw;
|
||||
|
||||
if(id >= TEX_NUM_FLOAT_IMAGES) {
|
||||
r.x = min(r.x, 1.0f);
|
||||
r.y = min(r.y, 1.0f);
|
||||
r.z = min(r.z, 1.0f);
|
||||
}
|
||||
}
|
||||
|
||||
if(srgb) {
|
||||
@ -234,6 +240,12 @@ __device float4 svm_image_texture(KernelGlobals *kg, int id, float x, float y, u
|
||||
r.x *= invw;
|
||||
r.y *= invw;
|
||||
r.z *= invw;
|
||||
|
||||
if(id >= TEX_NUM_FLOAT_IMAGES) {
|
||||
r.x = min(r.x, 1.0f);
|
||||
r.y = min(r.y, 1.0f);
|
||||
r.z = min(r.z, 1.0f);
|
||||
}
|
||||
}
|
||||
|
||||
if(srgb) {
|
||||
|
@ -249,6 +249,7 @@ void ImageTextureNode::compile(OSLCompiler& compiler)
|
||||
compiler.parameter("color_space", "sRGB");
|
||||
compiler.parameter("projection", projection);
|
||||
compiler.parameter("projection_blend", projection_blend);
|
||||
compiler.parameter("is_float", is_float);
|
||||
compiler.add(this, "node_image_texture");
|
||||
}
|
||||
|
||||
@ -368,6 +369,7 @@ void EnvironmentTextureNode::compile(OSLCompiler& compiler)
|
||||
compiler.parameter("color_space", "Linear");
|
||||
else
|
||||
compiler.parameter("color_space", "sRGB");
|
||||
compiler.parameter("is_float", is_float);
|
||||
compiler.add(this, "node_environment_texture");
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user