sebse/cpp-imanox-chroma-matting
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Added background to refinement shader

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This commit is contained in:
Caesar2011
2016-09-12 19:13:19 +02:00
parent a1c76d1e7f
commit afb288cbf3
5 changed files with 31 additions and 18 deletions
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14
opengl-test-two/trimap.fragmentshader
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@@ -21,6 +21,10 @@ int IS_UNDEFINED = 1;
int IS_FOREGROUND = 2;
int UNSET = -1;
vec3 greenValue = vec3(0.0f, 1.0f, 0.0f);
vec3 difference = vec3(40.0f/255.0f);
int radius = 10;
vec3 getColor(vec2 uvCoord) {
return texture(myTextureSampler, uvCoord).rgb;
@@ -31,8 +35,8 @@ bool isBackground(vec3 c) {
if (all( lessThanEqual(c, vec3(51.0f/255.0f, 208.0f/255.0f, 13.0f/255.0f))) &&
all(greaterThanEqual(c, vec3(47.0f/255.0f, 204.0f/255.0f, 9.0f/255.0f)))*/
// 0, 255, 0
if (all( lessThanEqual(c, vec3(2.0f/255.0f, 255.0f/255.0f, 2.0f/255.0f))) &&
all(greaterThanEqual(c, vec3(0.0f/255.0f, 253.0f/255.0f, 0.0f/255.0f)))
if (all( lessThanEqual(c, greenValue+difference)) &&
all(greaterThanEqual(c, greenValue-difference))
) {
return true;
} else {
@@ -43,9 +47,9 @@ bool isBackground(vec3 c) {
void main(){
int status = UNSET;
for(int w=-5;w<=5;w++){
for(int h=-5;h<=5;h++){
if (w+h==-10) { // first pixel
for(int w=-radius;w<=radius;w++){
for(int h=-radius;h<=radius;h++){
if (w+h==-radius*2) { // first pixel
if (isBackground(getColor(UV+vec2(pixWidth*w, pixHeight*h)))) {
status = IS_BACKGROUND;
} else {