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StartupFeedback ported to GLES.

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This commit is contained in:
Martin Gräßlin 2011-01-06 13:47:42 +01:00
parent 61615ea7ff
commit 5d74f9ece7
5 changed files with 76 additions and 19 deletions
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2
effects/CMakeLists.txt
View file

@ -97,6 +97,7 @@ if( KWIN_HAVE_OPENGL_COMPOSITING )
include( screenshot/CMakeLists.txt )
include( sheet/CMakeLists.txt )
include( snaphelper/CMakeLists.txt )
include( startupfeedback/CMakeLists.txt )
include( trackmouse/CMakeLists.txt )
include( wobblywindows/CMakeLists.txt )
endif( KWIN_HAVE_OPENGL_COMPOSITING )
@ -108,7 +109,6 @@ if( KWIN_HAVE_OPENGL_COMPOSITING AND NOT KWIN_HAVE_OPENGLES_COMPOSITING )
include( magnifier/CMakeLists.txt )
include( sharpen/CMakeLists.txt )
include( snow/CMakeLists.txt )
include( startupfeedback/CMakeLists.txt )
endif( KWIN_HAVE_OPENGL_COMPOSITING AND NOT KWIN_HAVE_OPENGLES_COMPOSITING )
###############################################################################

5
effects/startupfeedback/CMakeLists.txt
View file

@ -11,5 +11,10 @@ install( FILES
startupfeedback/startupfeedback.desktop
DESTINATION ${SERVICES_INSTALL_DIR}/kwin )
# Data files
install( FILES
startupfeedback/data/blinking-startup-fragment.glsl
DESTINATION ${DATA_INSTALL_DIR}/kwin )
#######################################
# Config

15
effects/startupfeedback/data/blinking-startup-fragment.glsl Normal file
View file

@ -0,0 +1,15 @@
uniform sampler2D sample;
uniform float textureWidth;
uniform float textureHeight;
uniform vec4 u_color;
varying vec2 varyingTexCoords;
void main()
{
vec4 tex = texture2D(sample, varyingTexCoords);
if (tex.a != 1.0) {
tex = u_color;
}
gl_FragColor = tex;
}

72
effects/startupfeedback/startupfeedback.cpp
View file

@ -22,7 +22,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <QtCore/QSize>
#include <QtGui/QPainter>
// KDE
#include <KDE/KGlobal>
#include <KDE/KIconLoader>
#include <KDE/KStandardDirs>
#include <KDE/KStartupInfo>
#include <KDE/KSelectionOwner>
// KWin
@ -81,6 +83,7 @@ StartupFeedbackEffect::StartupFeedbackEffect()
, m_progress( 0 )
, m_texture( 0 )
, m_type( BouncingFeedback )
, m_blinkingShader( 0 )
{
for( int i=0; i<5; ++i )
{
@ -104,6 +107,7 @@ StartupFeedbackEffect::~StartupFeedbackEffect()
delete m_bouncingTextures[i];
}
delete m_texture;
delete m_blinkingShader;
}
bool StartupFeedbackEffect::supported()
@ -126,8 +130,20 @@ void StartupFeedbackEffect::reconfigure( Effect::ReconfigureFlags flags )
m_type = NoFeedback;
else if( busyBouncing )
m_type = BouncingFeedback;
else if( busyBlinking )
else if (busyBlinking) {
m_type = BlinkingFeedback;
if (ShaderManager::instance()->isValid()) {
delete m_blinkingShader;
m_blinkingShader = 0;
const QString shader = KGlobal::dirs()->findResource("data", "kwin/blinking-startup-fragment.glsl");
m_blinkingShader = ShaderManager::instance()->loadFragmentShader(ShaderManager::SimpleShader, shader);
if (m_blinkingShader->isValid()) {
kDebug(1212) << "Blinking Shader is valid";
} else {
kDebug(1212) << "Blinking Shader is not valid";
}
}
}
else
m_type = PassiveFeedback;
if( m_active )
@ -179,41 +195,61 @@ void StartupFeedbackEffect::paintScreen( int mask, QRegion region, ScreenPaintDa
default:
return; // safety
}
#ifndef KWIN_HAVE_OPENGLES
glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT );
#endif
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
texture->bind();
if( m_type == BlinkingFeedback )
{
// texture transformation
bool useShader = false;
if (m_type == BlinkingFeedback) {
const QColor& blinkingColor = BLINKING_COLORS[ FRAME_TO_BLINKING_COLOR[ m_frame ]];
float color[4] = { blinkingColor.redF(), blinkingColor.greenF(), blinkingColor.blueF(), 1.0f };
glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
glColor4fv( color );
glActiveTexture( GL_TEXTURE1 );
texture->bind();
glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE );
glTexEnvi( GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE );
glTexEnvi( GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_PREVIOUS );
glTexEnvi( GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE );
glTexEnvi( GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_CONSTANT );
glTexEnvfv( GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, color );
glActiveTexture( GL_TEXTURE0 );
glTexParameterfv( GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, color );
if (m_blinkingShader && m_blinkingShader->isValid()) {
useShader = true;
ShaderManager::instance()->pushShader(m_blinkingShader);
m_blinkingShader->setUniform("u_color", blinkingColor);
} else {
#ifndef KWIN_HAVE_OPENGLES
// texture transformation
float color[4] = { blinkingColor.redF(), blinkingColor.greenF(), blinkingColor.blueF(), 1.0f };
glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
glColor4fv( color );
glActiveTexture( GL_TEXTURE1 );
texture->bind();
glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE );
glTexEnvi( GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE );
glTexEnvi( GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_PREVIOUS );
glTexEnvi( GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE );
glTexEnvi( GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_CONSTANT );
glTexEnvfv( GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, color );
glActiveTexture( GL_TEXTURE0 );
glTexParameterfv( GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, color );
#endif
}
} else if (ShaderManager::instance()->isValid()) {
useShader = true;
ShaderManager::instance()->pushShader(ShaderManager::SimpleShader);
}
texture->render( m_currentGeometry, m_currentGeometry );
if( m_type == BlinkingFeedback )
if (useShader) {
ShaderManager::instance()->popShader();
}
if( m_type == BlinkingFeedback && !useShader )
{
#ifndef KWIN_HAVE_OPENGLES
// resture states
glActiveTexture( GL_TEXTURE1 );
texture->unbind();
glActiveTexture( GL_TEXTURE0 );
glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
glColor4f( 0.0f, 0.0f, 0.0f, 0.0f );
#endif
}
texture->unbind();
glDisable( GL_BLEND );
#ifndef KWIN_HAVE_OPENGLES
glPopAttrib();
#endif
}
}

1
effects/startupfeedback/startupfeedback.h
View file

@ -75,6 +75,7 @@ class StartupFeedbackEffect
GLTexture* m_texture; // for passive and blinking
FeedbackType m_type;
QRect m_currentGeometry;
GLShader *m_blinkingShader;
};
} // namespace