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Differential D317 Diff 1171 intern/cycles/kernel/shaders/node_image_texture.osl

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intern/cycles/kernel/shaders/node_image_texture.osl

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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License * limitations under the License
*/ */
#include "stdosl.h" #include "stdosl.h"
#include "node_color.h" #include "node_color.h"
color image_texture_lookup(string filename, string color_space, float u, float v, output float Alpha, int use_alpha, int is_float) color image_texture_lookup(string filename, string color_space, float u, float v, output float Alpha, int use_alpha, int is_float, string interpolation)
{ {
color rgb = (color)texture(filename, u, 1.0 - v, "wrap", "periodic", "alpha", Alpha); color rgb = (color)texture(filename, u, 1.0 - v, "wrap", "periodic", "interp", interpolation, "alpha", Alpha);
if (use_alpha) { if (use_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 (color_space == "sRGB") { if (color_space == "sRGB") {
rgb = color_srgb_to_scene_linear(rgb); rgb = color_srgb_to_scene_linear(rgb);
} }
return rgb; return rgb;
} }
shader node_image_texture( shader node_image_texture(
int use_mapping = 0, 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 color_space = "sRGB", string color_space = "sRGB",
string projection = "Flat", string projection = "Flat",
string interpolation = "smartcubic",
float projection_blend = 0.0, float projection_blend = 0.0,
int is_float = 1, int is_float = 1,
int use_alpha = 1, int use_alpha = 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_space, p[0], p[1], Alpha, use_alpha, is_float); Color = image_texture_lookup(filename, color_space, p[0], p[1], Alpha, use_alpha, is_float, interpolation);
} }
else if (projection == "Box") { else if (projection == "Box") {
/* object space normal */ /* object space normal */
vector Nob = transform("world", "object", N); vector Nob = transform("world", "object", N);
/* project from direction vector to barycentric coordinates in triangles */ /* project from direction vector to barycentric coordinates in triangles */
Nob = vector(fabs(Nob[0]), fabs(Nob[1]), fabs(Nob[2])); Nob = vector(fabs(Nob[0]), fabs(Nob[1]), fabs(Nob[2]));
Nob /= (Nob[0] + Nob[1] + Nob[2]); Nob /= (Nob[0] + Nob[1] + Nob[2]);
▲ Show 20 Lines • Show All 48 Lines • ▼ Show 20 Lines else if (projection == "Box") {
} }
Color = color(0.0, 0.0, 0.0); Color = color(0.0, 0.0, 0.0);
Alpha = 0.0; Alpha = 0.0;
float tmp_alpha; float tmp_alpha;
if (weight[0] > 0.0) { if (weight[0] > 0.0) {
Color += weight[0] * image_texture_lookup(filename, color_space, p[1], p[2], tmp_alpha, use_alpha, is_float); Color += weight[0] * image_texture_lookup(filename, color_space, p[1], p[2], tmp_alpha, use_alpha, is_float, interpolation);
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_space, p[0], p[2], tmp_alpha, use_alpha, is_float); Color += weight[1] * image_texture_lookup(filename, color_space, p[0], p[2], tmp_alpha, use_alpha, is_float, interpolation);
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_space, p[1], p[0], tmp_alpha, use_alpha, is_float); Color += weight[2] * image_texture_lookup(filename, color_space, p[1], p[0], tmp_alpha, use_alpha, is_float, interpolation);
Alpha += weight[2] * tmp_alpha; Alpha += weight[2] * tmp_alpha;
} }
} }
} }