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OpenGL modernization: draw the frequency scale the new way

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This commit is contained in:
f4exb 2016-03-05 08:53:56 +01:00
parent 2720969a84
commit 3aabeb4399
2 changed files with 22 additions and 29 deletions
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7
include/gui/glspectrum.h
View File

@ -132,18 +132,18 @@ private:
Real m_waterfallShare;
QPixmap m_leftMarginPixmap;
QPixmap m_frequencyPixmap;
#ifdef GL_DEPRECATED
bool m_leftMarginTextureAllocated;
GLuint m_leftMarginTexture;
QRectF m_glLeftScaleRect;
#endif
QPixmap m_frequencyPixmap;
bool m_frequencyTextureAllocated;
GLuint m_frequencyTexture;
QRectF m_glFrequencyScaleRect;
#endif
ScaleEngine m_timeScale;
ScaleEngine m_powerScale;
ScaleEngine m_frequencyScale;
QRectF m_glFrequencyScaleRect;
QRect m_frequencyScaleRect;
QMatrix4x4 m_glFrequencyScaleBoxMatrix;
QMatrix4x4 m_glLeftScaleBoxMatrix;
@ -179,6 +179,7 @@ private:
GLShaderSimple m_glShaderSimple;
GLShaderTextured m_glShaderLeftScale;
GLShaderTextured m_glShaderFrequencyScale;
int m_matrixLoc;
int m_colorLoc;

44
sdrbase/gui/glspectrum.cpp
View File

@ -50,8 +50,8 @@ GLSpectrum::GLSpectrum(QWidget* parent) :
m_displayCurrent(false),
#ifdef GL_DEPRECATED
m_leftMarginTextureAllocated(false),
#endif
m_frequencyTextureAllocated(false),
#endif
m_waterfallBuffer(NULL),
m_waterfallTextureAllocated(false),
m_waterfallTextureHeight(-1),
@ -155,11 +155,11 @@ GLSpectrum::~GLSpectrum()
deleteTexture(m_leftMarginTexture);
m_leftMarginTextureAllocated = false;
}
#endif
if(m_frequencyTextureAllocated) {
deleteTexture(m_frequencyTexture);
m_frequencyTextureAllocated = false;
}
#endif
}
void GLSpectrum::setCenterFrequency(quint64 frequency)
@ -511,6 +511,7 @@ void GLSpectrum::initializeGL()
glDisable(GL_DEPTH_TEST);
m_glShaderSimple.initializeGL();
m_glShaderLeftScale.initializeGL();
m_glShaderFrequencyScale.initializeGL();
}
void GLSpectrum::resizeGL(int width, int height)
@ -927,6 +928,7 @@ void GLSpectrum::paintGL()
// paint frequency scale
if (m_displayWaterfall || m_displayMaxHold || m_displayCurrent || m_displayHistogram )
{
#ifdef GL_DEPRECATED
glPushMatrix();
glTranslatef(m_glFrequencyScaleRect.x(), m_glFrequencyScaleRect.y(), 0);
glScalef(m_glFrequencyScaleRect.width(), m_glFrequencyScaleRect.height(), 1);
@ -939,7 +941,6 @@ void GLSpectrum::paintGL()
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_2D);
#ifdef GL_DEPRECATED
glBegin(GL_QUADS);
glTexCoord2f(0, 1);
glVertex2f(0, 1);
@ -950,6 +951,9 @@ void GLSpectrum::paintGL()
glTexCoord2f(0, 0);
glVertex2f(0, 0);
glEnd();
glDisable(GL_TEXTURE_2D);
glPopMatrix();
#else
{
GLfloat vtx1[] = {
@ -964,28 +968,10 @@ void GLSpectrum::paintGL()
1, 0,
0, 0
};
#ifdef GL_ANDROID
glEnableVertexAttribArray(GL_VERTEX_ARRAY);
glEnableVertexAttribArray(GL_TEXTURE_COORD_ARRAY);
glVertexAttribPointer(GL_VERTEX_ARRAY, 2, GL_FLOAT, GL_FALSE, 0, vtx1);
glVertexAttribPointer(GL_TEXTURE_COORD_ARRAY, 2, GL_FLOAT, GL_FALSE, 0, tex1);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDisableVertexAttribArray(GL_VERTEX_ARRAY);
glDisableVertexAttribArray(GL_TEXTURE_COORD_ARRAY);
#else
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, vtx1);
glTexCoordPointer(2, GL_FLOAT, 0, tex1);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
#endif
m_glShaderFrequencyScale.drawSurface(m_glFrequencyScaleBoxMatrix, tex1, vtx1, 4);
}
#endif
glDisable(GL_TEXTURE_2D);
glPopMatrix();
// paint channels
@ -1533,13 +1519,14 @@ void GLSpectrum::applyChanges()
width(),
frequencyScaleHeight
);
#ifdef GL_DEPRECATED
m_glFrequencyScaleRect = QRectF(
(float)0,
(float)frequencyScaleTop / (float)height(),
(float)1,
(float)frequencyScaleHeight / (float)height()
);
#endif
m_glFrequencyScaleBoxMatrix.setToIdentity();
m_glFrequencyScaleBoxMatrix.translate (
-1.0f,
@ -1631,13 +1618,14 @@ void GLSpectrum::applyChanges()
width(),
frequencyScaleHeight
);
#ifdef GL_DEPRECATED
m_glFrequencyScaleRect = QRectF(
(float)0,
(float)frequencyScaleTop / (float)height(),
(float)1,
(float)frequencyScaleHeight / (float)height()
);
#endif
m_glFrequencyScaleBoxMatrix.setToIdentity();
m_glFrequencyScaleBoxMatrix.translate (
-1.0f,
@ -1714,13 +1702,14 @@ void GLSpectrum::applyChanges()
width(),
frequencyScaleHeight
);
#ifdef GL_DEPRECATED
m_glFrequencyScaleRect = QRectF(
(float)0,
(float)frequencyScaleTop / (float)height(),
(float)1,
(float)frequencyScaleHeight / (float)height()
);
#endif
m_glFrequencyScaleBoxMatrix.setToIdentity();
m_glFrequencyScaleBoxMatrix.translate (
-1.0f,
@ -1986,6 +1975,7 @@ void GLSpectrum::applyChanges()
}
}
#ifdef GL_DEPRECATED
if(m_frequencyTextureAllocated)
deleteTexture(m_frequencyTexture);
m_frequencyTexture = bindTexture(m_frequencyPixmap,
@ -1994,6 +1984,8 @@ void GLSpectrum::applyChanges()
QGLContext::LinearFilteringBindOption |
QGLContext::MipmapBindOption);
m_frequencyTextureAllocated = true;
#endif
m_glShaderFrequencyScale.initTexture(m_frequencyPixmap.toImage());
}
if(!m_waterfallTextureAllocated) {