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Render effect frame with shader trait API

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This commit is contained in:
Martin Gräßlin 2015-11-27 16:48:53 +01:00
parent 0d1da1c583
commit d76f08e359
1 changed files with 25 additions and 8 deletions
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33
scene_opengl.cpp
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@ -1813,19 +1813,17 @@ void SceneOpenGL::EffectFrame::render(QRegion region, double opacity, double fra
GLShader* shader = m_effectFrame->shader();
bool sceneShader = false;
if (!shader) {
shader = ShaderManager::instance()->pushShader(ShaderManager::SimpleShader);
shader = ShaderManager::instance()->pushShader(ShaderTrait::MapTexture | ShaderTrait::Modulate);
sceneShader = true;
} else if (shader) {
ShaderManager::instance()->pushShader(shader);
}
if (shader) {
if (sceneShader)
shader->setUniform(GLShader::Offset, QVector2D(0, 0));
shader->setUniform(GLShader::ModulationConstant, QVector4D(1.0, 1.0, 1.0, 1.0));
shader->setUniform(GLShader::Saturation, 1.0f);
}
const QMatrix4x4 projection = m_scene->projectionMatrix();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@ -1945,15 +1943,18 @@ void SceneOpenGL::EffectFrame::render(QRegion region, double opacity, double fra
m_unstyledTexture->bind();
const QPoint pt = m_effectFrame->geometry().topLeft();
if (sceneShader) {
shader->setUniform(GLShader::Offset, QVector2D(pt.x(), pt.y()));
} else {
if (!sceneShader) {
QMatrix4x4 translation;
translation.translate(pt.x(), pt.y());
if (shader) {
shader->setUniform(GLShader::WindowTransformation, translation);
}
}
QMatrix4x4 mvp(projection);
mvp.translate(pt.x(), pt.y());
shader->setUniform(GLShader::ModelViewProjectionMatrix, mvp);
m_unstyledVBO->render(region, GL_TRIANGLES);
if (!sceneShader) {
if (shader) {
@ -1972,7 +1973,13 @@ void SceneOpenGL::EffectFrame::render(QRegion region, double opacity, double fra
m_texture->bind();
qreal left, top, right, bottom;
m_effectFrame->frame().getMargins(left, top, right, bottom); // m_geometry is the inner geometry
m_texture->render(region, m_effectFrame->geometry().adjusted(-left, -top, right, bottom));
const QRect rect = m_effectFrame->geometry().adjusted(-left, -top, right, bottom);
QMatrix4x4 mvp(projection);
mvp.translate(rect.x(), rect.y());
shader->setUniform(GLShader::ModelViewProjectionMatrix, mvp);
m_texture->render(region, rect);
m_texture->unbind();
}
@ -1987,6 +1994,9 @@ void SceneOpenGL::EffectFrame::render(QRegion region, double opacity, double fra
const float a = opacity * frameOpacity;
shader->setUniform(GLShader::ModulationConstant, QVector4D(a, a, a, a));
}
QMatrix4x4 mvp(projection);
mvp.translate(m_effectFrame->selection().x(), m_effectFrame->selection().y());
shader->setUniform(GLShader::ModelViewProjectionMatrix, mvp);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
m_selectionTexture->bind();
m_selectionTexture->render(region, m_effectFrame->selection());
@ -2000,6 +2010,10 @@ void SceneOpenGL::EffectFrame::render(QRegion region, double opacity, double fra
QPoint topLeft(m_effectFrame->geometry().x(),
m_effectFrame->geometry().center().y() - m_effectFrame->iconSize().height() / 2);
QMatrix4x4 mvp(projection);
mvp.translate(topLeft.x(), topLeft.y());
shader->setUniform(GLShader::ModelViewProjectionMatrix, mvp);
if (m_effectFrame->isCrossFade() && m_oldIconTexture) {
if (shader) {
const float a = opacity * (1.0 - m_effectFrame->crossFadeProgress());
@ -2030,6 +2044,9 @@ void SceneOpenGL::EffectFrame::render(QRegion region, double opacity, double fra
// Render text
if (!m_effectFrame->text().isEmpty()) {
QMatrix4x4 mvp(projection);
mvp.translate(m_effectFrame->geometry().x(), m_effectFrame->geometry().y());
shader->setUniform(GLShader::ModelViewProjectionMatrix, mvp);
if (m_effectFrame->isCrossFade() && m_oldTextTexture) {
if (shader) {
const float a = opacity * (1.0 - m_effectFrame->crossFadeProgress());