Differential D5843 Diff 18332 intern/cycles/kernel/shaders/node_image_texture.osl

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intern/cycles/kernel/shaders/node_image_texture.osl

Show First 20 Lines • Show All 53 Lines • ▼ Show 20 Lines	point map_to_sphere(vector dir)
}		}
return point(u, v, 0.0);		return point(u, v, 0.0);
}		}

color image_texture_lookup(string filename,		color image_texture_lookup(string filename,
float u,		float u,
float v,		float v,
output float Alpha,		output float Alpha,
int compress_as_srgb,
int ignore_alpha,		int ignore_alpha,
int unassociate_alpha,		int unassociate_alpha,
int is_float,		int is_float,
string interpolation,		string interpolation,
string extension)		string extension)
{		{
color rgb = (color)texture(		color rgb = (color)texture(
filename, u, 1.0 - v, "wrap", extension, "interp", interpolation, "alpha", Alpha);		filename, u, 1.0 - v, "wrap", extension, "interp", interpolation, "alpha", Alpha);

if (ignore_alpha) {		if (ignore_alpha) {
Alpha = 1.0;		Alpha = 1.0;
}		}
else if (unassociate_alpha) {		else if (unassociate_alpha) {
rgb = color_unpremultiply(rgb, Alpha);		rgb = color_unpremultiply(rgb, Alpha);

if (!is_float)		if (!is_float)
rgb = min(rgb, 1.0);		rgb = min(rgb, 1.0);
}		}

if (compress_as_srgb) {
rgb = color_srgb_to_scene_linear(rgb);
}

return rgb;		return rgb;
}		}

shader node_image_texture(int use_mapping = 0,		shader node_image_texture(int use_mapping = 0,
matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),		matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
point Vector = P,		point Vector = P,
string filename = "",		string filename = "",
string projection = "flat",		string projection = "flat",
string interpolation = "smartcubic",		string interpolation = "smartcubic",
string extension = "periodic",		string extension = "periodic",
float projection_blend = 0.0,		float projection_blend = 0.0,
int compress_as_srgb = 0,
int ignore_alpha = 0,		int ignore_alpha = 0,
int unassociate_alpha = 0,		int unassociate_alpha = 0,
int is_float = 1,		int is_float = 1,
output color Color = 0.0,		output color Color = 0.0,
output float Alpha = 1.0)		output float Alpha = 1.0)
{		{
point p = Vector;		point p = Vector;

if (use_mapping)		if (use_mapping)
p = transform(mapping, p);		p = transform(mapping, p);

if (projection == "flat") {		if (projection == "flat") {
Color = image_texture_lookup(filename,		Color = image_texture_lookup(filename,
p[0],		p[0],
p[1],		p[1],
Alpha,		Alpha,
compress_as_srgb,
ignore_alpha,		ignore_alpha,
unassociate_alpha,		unassociate_alpha,
is_float,		is_float,
interpolation,		interpolation,
extension);		extension);
}		}
else if (projection == "box") {		else if (projection == "box") {
/* object space normal */		/* object space normal */
▲ Show 20 Lines • Show All 61 Lines • ▼ Show 20 Lines	else if (projection == "box") {

float tmp_alpha;		float tmp_alpha;

if (weight[0] > 0.0) {		if (weight[0] > 0.0) {
Color += weight[0] * image_texture_lookup(filename,		Color += weight[0] * image_texture_lookup(filename,
p[1],		p[1],
p[2],		p[2],
tmp_alpha,		tmp_alpha,
compress_as_srgb,
ignore_alpha,		ignore_alpha,
unassociate_alpha,		unassociate_alpha,
is_float,		is_float,
interpolation,		interpolation,
extension);		extension);
Alpha += weight[0] * tmp_alpha;		Alpha += weight[0] * tmp_alpha;
}		}
if (weight[1] > 0.0) {		if (weight[1] > 0.0) {
Color += weight[1] * image_texture_lookup(filename,		Color += weight[1] * image_texture_lookup(filename,
p[0],		p[0],
p[2],		p[2],
tmp_alpha,		tmp_alpha,
compress_as_srgb,
ignore_alpha,		ignore_alpha,
unassociate_alpha,		unassociate_alpha,
is_float,		is_float,
interpolation,		interpolation,
extension);		extension);
Alpha += weight[1] * tmp_alpha;		Alpha += weight[1] * tmp_alpha;
}		}
if (weight[2] > 0.0) {		if (weight[2] > 0.0) {
Color += weight[2] * image_texture_lookup(filename,		Color += weight[2] * image_texture_lookup(filename,
p[1],		p[1],
p[0],		p[0],
tmp_alpha,		tmp_alpha,
compress_as_srgb,
ignore_alpha,		ignore_alpha,
unassociate_alpha,		unassociate_alpha,
is_float,		is_float,
interpolation,		interpolation,
extension);		extension);
Alpha += weight[2] * tmp_alpha;		Alpha += weight[2] * tmp_alpha;
}		}
}		}
else if (projection == "sphere") {		else if (projection == "sphere") {
point projected = map_to_sphere(texco_remap_square(p));		point projected = map_to_sphere(texco_remap_square(p));
Color = image_texture_lookup(filename,		Color = image_texture_lookup(filename,
projected[0],		projected[0],
projected[1],		projected[1],
Alpha,		Alpha,
compress_as_srgb,
ignore_alpha,		ignore_alpha,
unassociate_alpha,		unassociate_alpha,
is_float,		is_float,
interpolation,		interpolation,
extension);		extension);
}		}
else if (projection == "tube") {		else if (projection == "tube") {
point projected = map_to_tube(texco_remap_square(p));		point projected = map_to_tube(texco_remap_square(p));
Color = image_texture_lookup(filename,		Color = image_texture_lookup(filename,
projected[0],		projected[0],
projected[1],		projected[1],
Alpha,		Alpha,
compress_as_srgb,
ignore_alpha,		ignore_alpha,
unassociate_alpha,		unassociate_alpha,
is_float,		is_float,
interpolation,		interpolation,
extension);		extension);
}		}
}		}