gl: dynamic shader object

yuanboying · Mar 28, 2016 · a30ffaf · a30ffaf
1 parent f05b6c4
commit a30ffaf
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Showing 2 changed files with 103 additions and 0 deletions.
diff --git a/src/QtAV/VideoShaderObject.h b/src/QtAV/VideoShaderObject.h
@@ -55,11 +55,29 @@ class DynamicShaderObjectPrivate;
  */
 class Q_AV_EXPORT DynamicShaderObject : public VideoShaderObject
 {
+    Q_OBJECT
     DPTR_DECLARE_PRIVATE(DynamicShaderObject)
+    Q_PROPERTY(QString header READ header WRITE setHeader NOTIFY headerChanged)
+    Q_PROPERTY(QString sample READ sample WRITE setSample NOTIFY sampleChanged)
+    Q_PROPERTY(QString postProcess READ postProcess WRITE setPostProcess NOTIFY postProcessChanged)
 public:
     DynamicShaderObject(QObject* parent = 0);
+    QString header() const;
+    void setHeader(const QString& text);
+    QString sample() const;
+    void setSample(const QString& text);
+    QString postProcess() const;
+    void setPostProcess(const QString& text);
+Q_SIGNALS:
+    void headerChanged();
+    void sampleChanged();
+    void postProcessChanged();
 protected:
     DynamicShaderObject(DynamicShaderObjectPrivate &d, QObject* parent = 0);
+private:
+    const char* userShaderHeader(QOpenGLShader::ShaderType st) const Q_DECL_OVERRIDE;
+    const char* userSample() const Q_DECL_OVERRIDE;
+    const char* userPostProcess() const Q_DECL_OVERRIDE;
 };
 } //namespace QtAV
 

diff --git a/src/opengl/VideoShaderObject.cpp b/src/opengl/VideoShaderObject.cpp
@@ -130,4 +130,89 @@ void VideoShaderObject::programReady()
         }
     }
 }
+
+class DynamicShaderObjectPrivate : public VideoShaderObjectPrivate {
+public:
+    QString header;
+    QString sampleFunc;
+    QString pp;
+};
+
+DynamicShaderObject::DynamicShaderObject(QObject *parent)
+    : VideoShaderObject(*new DynamicShaderObjectPrivate(), parent)
+{}
+
+DynamicShaderObject::DynamicShaderObject(DynamicShaderObjectPrivate &d, QObject *parent)
+    : VideoShaderObject(d, parent)
+{}
+
+QString DynamicShaderObject::header() const
+{
+    return d_func().header;
+}
+
+void DynamicShaderObject::setHeader(const QString &text)
+{
+    DPTR_D(DynamicShaderObject);
+    if (d.header == text)
+        return;
+    d.header = text;
+    Q_EMIT headerChanged();
+    rebuildLater();
+}
+
+
+QString DynamicShaderObject::sample() const
+{
+    return d_func().sampleFunc;
+}
+
+void DynamicShaderObject::setSample(const QString &text)
+{
+    DPTR_D(DynamicShaderObject);
+    if (d.sampleFunc == text)
+        return;
+    d.sampleFunc = text;
+    Q_EMIT sampleChanged();
+    rebuildLater();
+}
+
+QString DynamicShaderObject::postProcess() const
+{
+    return d_func().pp;
+}
+
+void DynamicShaderObject::setPostProcess(const QString &text)
+{
+    DPTR_D(DynamicShaderObject);
+    if (d.pp == text)
+        return;
+    d.pp = text;
+    Q_EMIT postProcessChanged();
+    rebuildLater();
+}
+
+const char* DynamicShaderObject::userShaderHeader(QOpenGLShader::ShaderType st) const
+{
+    if (st == QOpenGLShader::Vertex)
+        return 0;
+    if (d_func().header.isEmpty())
+        return 0;
+    return d_func().header.toUtf8().constData();
+}
+
+const char* DynamicShaderObject::userSample() const
+{
+    if (d_func().sampleFunc.isEmpty())
+        return 0;
+    return d_func().sampleFunc.toUtf8().constData();
+}
+
+const char* DynamicShaderObject::userPostProcess() const
+{
+    if (d_func().pp.isEmpty())
+        return 0;
+    return d_func().pp.toUtf8().constData();
+}
+
 } //namespace QtAV