77 

    78     void textureUpload_data();

    79     void textureUpload();

    80 

   381 void OpenGLBench::textureUpload_data()

   382 {

   383     QTest::addColumn<int>("size");

   384     QTest::addColumn<int>("flags");

   385     QTest::addColumn<int>("format");

   386 

   387     int sizes[] = { 8, 10, 16, 20, 32, 50, 64, 100, 128, 200, 256, 500, 512, 1000, 1024, 2000, 2048, -1 };

   388     int flags[] = { QGLContext::InternalBindOption,

   389                   QGLContext::DefaultBindOption,

   390                   -1 };

   391     int formats[] = { GL_RGB, GL_RGBA, -1 };

   392 

   393     for (int s = 0; sizes[s] != -1; ++s) {

   394         for (int f = 0; flags[f] != -1; ++f) {

   395             for (int a = 0; formats[a] != -1; ++a) {

   396                 QByteArray name;

   397                 name.append("size=").append(QByteArray::number(sizes[s]));

   398                 name.append(", flags=").append(f == 0 ? "internal" : "default");

   399                 name.append(", format=").append(a == 0 ? "RGB" : "RGBA");

   400                 QTest::newRow(name.constData()) << sizes[s] << flags[f] << formats[a];

   401             }

   402         }

   403     }

   404 }

   405 

   406 void OpenGLBench::textureUpload()

   407 {

   408     QFETCH(int, size);

   409     QFETCH(int, flags);

   410     QFETCH(int, format);

   411 

   412     QPixmap pixmap(size, size);

   413 

   414     if (format == GL_RGB)

   415         pixmap.fill(Qt::red);

   416     else

   417         pixmap.fill(Qt::transparent);

   418 

   419     pb->makeCurrent();

   420     QGLContext *context = const_cast<QGLContext *>(QGLContext::currentContext());

   421     QTime time;

   422 

   423     time.start();

   424     context->bindTexture(pixmap, GL_TEXTURE_2D, format, (QGLContext::BindOptions) flags);

   425     QTest::setBenchmarkResult(time.elapsed(), QTest::WalltimeMilliseconds);

   426 }

   427