fixed effects when opengl context changes

This commit is contained in:
itsmattkc
2018-09-01 17:37:34 +10:00
parent 21b408f5cb
commit cf35ea23bb
14 changed files with 105 additions and 98 deletions
+5 -13
View File
@@ -1,6 +1,6 @@
#include "chromakeyeffect.h"
ChromaKeyEffect::ChromaKeyEffect(Clip* c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_CHROMAKEY_EFFECT), vert(QOpenGLShader::Vertex), frag(QOpenGLShader::Fragment) {
ChromaKeyEffect::ChromaKeyEffect(Clip* c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_CHROMAKEY_EFFECT) {
enable_opengl = true;
color_field = add_row("Color:")->add_field(EFFECT_FIELD_COLOR);
@@ -12,22 +12,14 @@ ChromaKeyEffect::ChromaKeyEffect(Clip* c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_C
tolerance_field->set_double_minimum_value(0);
tolerance_field->set_double_maximum_value(100);
vert.compileSourceFile(":/shaders/common.vert");
frag.compileSourceFile(":/shaders/chromakeyeffect.frag");
program.addShader(&vert);
program.addShader(&frag);
program.link();
vertPath = ":/shaders/common.vert";
fragPath = ":/shaders/chromakeyeffect.frag";
connect(color_field, SIGNAL(changed()), this, SLOT(field_changed()));
connect(tolerance_field, SIGNAL(changed()), this, SLOT(field_changed()));
}
void ChromaKeyEffect::process_gl(double timecode, GLTextureCoords&) {
program.bind();
program.setUniformValue("keyColor", color_field->get_color_value(timecode));
program.setUniformValue("threshold", (GLfloat) (tolerance_field->get_double_value(timecode)*0.01));
}
void ChromaKeyEffect::clean_gl() {
program.release();
glslProgram->setUniformValue("keyColor", color_field->get_color_value(timecode));
glslProgram->setUniformValue("threshold", (GLfloat) (tolerance_field->get_double_value(timecode)*0.01));
}