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improved effects

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This commit is contained in:
itsmattkc
2018-08-24 13:31:32 +10:00
parent 5a129929c4
commit 48867ba239
22 changed files with 199 additions and 139 deletions
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effects/video/inverteffect.cpp
+15 -5
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@@ -4,11 +4,12 @@
#include <QLabel>
#include <QGridLayout>
#include <QOpenGLFunctions>
#include <QXmlStreamReader>
#include <QXmlStreamWriter>
#include <QXmlStreamAttributes>
InvertEffect::InvertEffect(Clip* c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_INVERT_EFFECT) {
InvertEffect::InvertEffect(Clip* c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_INVERT_EFFECT), vert(QOpenGLShader::Vertex), frag(QOpenGLShader::Fragment) {
enable_opengl = true;
EffectRow* amount_row = add_row("Amount:");
@@ -20,10 +21,19 @@ InvertEffect::InvertEffect(Clip* c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_INVERT_
amount_val->set_double_default_value(100);
connect(amount_val, SIGNAL(changed()), this, SLOT(field_changed()));
vert.compileSourceCode("varying vec2 vTexCoord;\nvoid main() {\n\tvTexCoord = gl_MultiTexCoord0.xy;\n\tgl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n}");
frag.compileSourceCode("uniform mediump float amount_val;\nuniform sampler2D myTexture;\nvarying vec2 vTexCoord;\nvoid main(void) {\n\tvec4 textureColor = texture2D(myTexture, vTexCoord);\n\tgl_FragColor = vec4(textureColor.r+((1.0-textureColor.r-textureColor.r)*amount_val), textureColor.g+((1.0-textureColor.g-textureColor.g)*amount_val), textureColor.b+((1.0-textureColor.b-textureColor.b)*amount_val), textureColor.a);\n}");
program.addShader(&vert);
program.addShader(&frag);
program.link();
}
void InvertEffect::process_gl(double timecode, QOpenGLShaderProgram& shaders, GLTextureCoords&) {
double value = amount_val->get_double_value(timecode)*0.01;
shaders.addShaderFromSourceCode(QOpenGLShader::Vertex, "varying vec2 vTexCoord;\nvoid main() {\n\tvTexCoord = gl_MultiTexCoord0.xy;\n\tgl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n}");
shaders.addShaderFromSourceCode(QOpenGLShader::Fragment, "uniform sampler2D myTexture;\nvarying vec2 vTexCoord;\nvoid main(void) {\n\tvec4 textureColor = texture2D(myTexture, vTexCoord);\n\tgl_FragColor = vec4(textureColor.r+((1.0-textureColor.r-textureColor.r)*" + QString::number(value, 'f', 2) + "), textureColor.g+((1.0-textureColor.g-textureColor.g)*" + QString::number(value, 'f', 2) + "), textureColor.b+((1.0-textureColor.b-textureColor.b)*" + QString::number(value, 'f', 2) + "), textureColor.a);\n}");
void InvertEffect::process_gl(double timecode, GLTextureCoords&) {
program.bind();
program.setUniformValue("amount_val", (GLfloat) (amount_val->get_double_value(timecode)*0.01));
}
void InvertEffect::clean_gl() {
program.release();
}