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Add debayer

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This commit is contained in:
Dušan Poizl
2022-12-14 20:27:56 +01:00
parent 44d8a8b856
commit 26d1af6077
5 changed files with 115 additions and 5 deletions
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imagescrollareagl.cpp
+51 -5
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@@ -153,7 +153,11 @@ void ImageWidget::setImage(std::shared_ptr<RawImage> image, int index)
}
else m_image->generateMipMaps();
m_image->setLevelOfDetailRange(m_superpixel ? 1 : 0, m_image->mipMaxLevel());
if(m_debayerTex)
{
f->glDeleteTextures(1, &m_debayerTex);
m_debayerTex = 0;
}
update();
}
@@ -212,7 +216,6 @@ void ImageWidget::setOffset(int dx, int dy)
void ImageWidget::superPixel(bool enable)
{
m_superpixel = enable;
m_image->setLevelOfDetailRange(enable ? 1 : 0, m_image->mipMaxLevel());
update();
}
@@ -332,14 +335,20 @@ void ImageWidget::paintGL()
}
else
{
debayer();
m_vao->bind();
m_image->bind(0);
if(m_superpixel && m_debayerTex)
f->glBindTexture(GL_TEXTURE_2D, m_debayerTex);
else
m_image->bind(0);
m_program->bind();
m_program->setUniformValue("viewport", (float)width(), (float)height());
m_program->setUniformValue("offset", dx, dy);
m_program->setUniformValue("mtf_param", m_low, m_mid, m_high);
m_program->setUniformValue("zoom", 1.0f/m_scale);
m_program->setUniformValue("bw", m_bwImg);
m_program->setUniformValue("bw", m_bwImg && !m_superpixel);
m_program->setUniformValue("invert", m_invert);
#ifdef COLOR_MANAGMENT
m_program->setUniformValue("srgb", m_srgb);
@@ -416,12 +425,27 @@ void ImageWidget::initializeGL()
m_program->setUniformValue("qt_Texture0", (GLuint)0);
m_program->setUniformValue("scale", 1.0f, 0.0f);
m_debayerProgram = std::unique_ptr<QOpenGLShaderProgram>(new QOpenGLShaderProgram);
m_debayerProgram->addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shaders/debayer.vert");
m_debayerProgram->addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shaders/debayer.frag");
if(f3)f3->glBindFragDataLocation(m_debayerProgram->programId(), 0, "color");
m_debayerProgram->bind();
m_debayerProgram->enableAttributeArray("qt_Vertex");
m_debayerProgram->setAttributeBuffer("qt_Vertex", GL_FLOAT, 0, 2, sizeof(float)*4);
m_debayerProgram->enableAttributeArray("qt_MultiTexCoord0");
m_debayerProgram->setAttributeBuffer("qt_MultiTexCoord0", GL_FLOAT, sizeof(float)*2, 2, sizeof(float)*4);
m_debayerProgram->setUniformValue("qt_Texture0", (GLuint)0);
if(!m_debayerProgram->link())
{
qDebug() << "Link failed" << m_debayerProgram->log();
}
m_vaoThumb->bind();
m_thumbnailProgram = std::unique_ptr<QOpenGLShaderProgram>(new QOpenGLShaderProgram);
m_thumbnailProgram->addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shaders/thumb.vert");
m_thumbnailProgram->addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shaders/thumb.frag");
if(f3)f3->glBindFragDataLocation(m_program->programId(), 0, "color");
if(f3)f3->glBindFragDataLocation(m_thumbnailProgram->programId(), 0, "color");
m_thumbnailProgram->bind();
m_thumbnailProgram->enableAttributeArray("qt_Vertex");
m_thumbnailProgram->setAttributeBuffer("qt_Vertex", GL_FLOAT, 0, 2, sizeof(float)*4);
@@ -595,6 +619,28 @@ void ImageWidget::thumbSelect(QMouseEvent *event)
}
}
void ImageWidget::debayer()
{
if(m_debayerTex > 0 || !m_superpixel || !m_bwImg || m_imgWidth < 0)return;
QOpenGLFramebufferObject fbo(m_imgWidth, m_imgHeight, QOpenGLFramebufferObject::NoAttachment, GL_TEXTURE_2D, GL_RGBA16);
fbo.bind();
f->glViewport(0, 0, m_imgWidth, m_imgHeight);
m_debayerProgram->bind();
m_image->bind(0);
f->glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
fbo.release();
f->glViewport(0, 0, m_width, m_height);
m_debayerTex = fbo.takeTexture();
f->glBindTexture(GL_TEXTURE_2D, m_debayerTex);
f->glGenerateMipmap(GL_TEXTURE_2D);
f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
}
ImageScrollAreaGL::ImageScrollAreaGL(Database *database, QWidget *parent) : QWidget(parent)
{
QGridLayout *layout = new QGridLayout(this);