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[kwineffects] Runtime checks for GLES in ColorCorrection

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This commit is contained in:
Martin Gräßlin 2015-10-30 10:33:05 +01:00
parent 49d8502567
commit 9919627106
1 changed files with 16 additions and 22 deletions
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38
libkwineffects/kwinglcolorcorrection.cpp
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@ -239,7 +239,7 @@ ColorCorrectionPrivate::ColorCorrectionPrivate(ColorCorrection *parent)
, m_enabled(false)
, m_hasError(false)
, m_duringEnablingPhase(false)
, m_haveTexture3D(true)
, m_haveTexture3D(!GLPlatform::instance()->isGLES() || hasGLVersion(3, 0) || hasGLExtension(QByteArrayLiteral("GL_OES_texture_3D")))
, m_ccTextureUnit(-1)
, m_dummyCCTexture(0)
, m_lastOutput(-1)
@ -259,10 +259,6 @@ ColorCorrectionPrivate::ColorCorrectionPrivate(ColorCorrection *parent)
connect(m_csi, SIGNAL(updateSucceeded()), this, SLOT(colorServerUpdateSucceededSlot()));
connect(m_csi, SIGNAL(updateFailed()), this, SLOT(colorServerUpdateFailedSlot()));
#ifdef KWIN_HAVE_OPENGLES
m_haveTexture3D = hasGLVersion(3, 0) || hasGLExtension(QByteArrayLiteral("GL_OES_texture_3D"));
#endif
}
ColorCorrectionPrivate::~ColorCorrectionPrivate()
@ -288,14 +284,12 @@ bool ColorCorrection::setEnabled(bool enabled)
return false;
}
#ifdef KWIN_HAVE_OPENGLES
const GLPlatform *gl = GLPlatform::instance();
if (enabled && gl->isGLES() && !d->m_haveTexture3D) {
qCCritical(LIBKWINGLUTILS) << "color correction is not supported on OpenGL ES without OES_texture_3D";
d->m_hasError = true;
return false;
}
#endif // KWIN_HAVE_OPENGLES
if (enabled) {
// Update all profiles and regions
@ -623,22 +617,22 @@ bool ColorCorrectionPrivate::setupCCTexture(GLuint texture, const Clut& clut)
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
#ifndef KWIN_HAVE_OPENGLES
glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB16,
LUT_GRID_POINTS, LUT_GRID_POINTS, LUT_GRID_POINTS,
0, GL_RGB, GL_UNSIGNED_SHORT, clut.data());
#else
const int textureDataSize = clut.size();
QVector<quint8> textureData(textureDataSize);
quint8 *pTextureData = textureData.data();
const quint16 *pClutData = clut.data();
for (int i = 0; i < textureDataSize; ++i)
*(pTextureData++) = *(pClutData++) >> 8;
if (!GLPlatform::instance()->isGLES()) {
glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB16,
LUT_GRID_POINTS, LUT_GRID_POINTS, LUT_GRID_POINTS,
0, GL_RGB, GL_UNSIGNED_SHORT, clut.data());
} else {
const int textureDataSize = clut.size();
QVector<quint8> textureData(textureDataSize);
quint8 *pTextureData = textureData.data();
const quint16 *pClutData = clut.data();
for (int i = 0; i < textureDataSize; ++i)
*(pTextureData++) = *(pClutData++) >> 8;
glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB,
LUT_GRID_POINTS, LUT_GRID_POINTS, LUT_GRID_POINTS,
0, GL_RGB, GL_UNSIGNED_BYTE, textureData.data());
#endif // KWIN_HAVE_OPENGLES
glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB,
LUT_GRID_POINTS, LUT_GRID_POINTS, LUT_GRID_POINTS,
0, GL_RGB, GL_UNSIGNED_BYTE, textureData.data());
}
return !checkGLError("setupCCTexture");
}