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GLScope: suppress VLAs

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This commit is contained in:
f4exb
2018-03-01 03:22:47 +01:00
parent e5ad63e9b3
commit 5c055ac2ad
2 changed files with 50 additions and 11 deletions
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sdrgui/gui/glscope.cpp
+42 -11
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@@ -287,8 +287,9 @@ void GLScope::paintGL()
if(!m_mutex.tryLock(2))
return;
if(m_configChanged)
if(m_configChanged) {
applyConfig();
}
handleMode();
@@ -327,7 +328,8 @@ void GLScope::paintGL()
tickList = &m_y1Scale.getTickList();
{
GLfloat q3[4*tickList->count()];
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickY1.m_array;
int effectiveTicks = 0;
for (int i= 0; i < tickList->count(); i++)
@@ -357,7 +359,8 @@ void GLScope::paintGL()
// Vertical X1
tickList = &m_x1Scale.getTickList();
GLfloat q3[4*tickList->count()];
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickX1.m_array;
int effectiveTicks = 0;
for(int i= 0; i < tickList->count(); i++) {
tick = &(*tickList)[i];
@@ -451,6 +454,7 @@ void GLScope::paintGL()
if(m_displayTrace->size() > 0)
{
{
int start = (m_timeOfsProMill/1000.0) * m_displayTrace->size();
int end = std::min(start + m_displayTrace->size()/m_timeBase, m_displayTrace->size());
if(end - start < 2)
@@ -458,7 +462,9 @@ void GLScope::paintGL()
float posLimit = 1.0 / m_amp1;
float negLimit = -1.0 / m_amp1;
GLfloat q3[2*(end -start)];
//GLfloat q3[2*(end -start)];
m_q3Trace.allocate(2*(end - start));
GLfloat *q3 = m_q3Trace.m_array;
for (int i = start; i < end; i++)
{
@@ -525,6 +531,7 @@ void GLScope::paintGL()
if (m_displayTrace->size() > 0)
{
{
int start = (m_timeOfsProMill/1000.0) * m_displayTrace->size();
int end = std::min(start + m_displayTrace->size()/m_timeBase, m_displayTrace->size());
@@ -532,10 +539,13 @@ void GLScope::paintGL()
start--;
}
float posLimit = 1.0 / m_amp2;
float negLimit = -1.0 / m_amp2;
GLfloat q3[2*(end - start)];
//GLfloat q3[2*(end - start)];
m_q3Trace.allocate(2*(end - start));
GLfloat *q3 = m_q3Trace.m_array;
for(int i = start; i < end; i++)
{
@@ -573,7 +583,8 @@ void GLScope::paintGL()
// Horizontal Y2
tickList = &m_y2Scale.getTickList();
{
GLfloat q3[4*tickList->count()];
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickY2.m_array;
int effectiveTicks = 0;
for(int i= 0; i < tickList->count(); i++) {
tick = &(*tickList)[i];
@@ -637,7 +648,8 @@ void GLScope::paintGL()
// Horizontal Y2
tickList = &m_y2Scale.getTickList();
{
GLfloat q3[4*tickList->count()];
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickY2.m_array;
int effectiveTicks = 0;
for(int i= 0; i < tickList->count(); i++) {
tick = &(*tickList)[i];
@@ -660,7 +672,8 @@ void GLScope::paintGL()
// Vertical X2
tickList = &m_x2Scale.getTickList();
{
GLfloat q3[4*tickList->count()];
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickX2.m_array;
int effectiveTicks = 0;
for(int i= 0; i < tickList->count(); i++) {
tick = &(*tickList)[i];
@@ -750,14 +763,19 @@ void GLScope::paintGL()
{
if (m_mode == ModeIQPolar)
{
int start = (m_timeOfsProMill/1000.0) * m_displayTrace->size();
int end = std::min(start + m_displayTrace->size()/m_timeBase, m_displayTrace->size());
if (end - start < 2) {
start--;
}
{
GLfloat q3[2*(end - start)];
{
//GLfloat q3[2*(end - start)];
m_q3Trace.allocate(2*(end - start));
GLfloat *q3 = m_q3Trace.m_array;
for(int i = start; i < end; i++)
{
@@ -802,10 +820,13 @@ void GLScope::paintGL()
start--;
}
float posLimit = 1.0 / m_amp2;
float negLimit = -1.0 / m_amp2;
GLfloat q3[2*(end - start)];
//GLfloat q3[2*(end - start)];
m_q3Trace.allocate(2*(end - start));
GLfloat *q3 = m_q3Trace.m_array;
for(int i = start; i < end; i++) {
float v = (*m_displayTrace)[i].imag();
@@ -2122,6 +2143,16 @@ void GLScope::applyConfig()
} // X2 scale
} // Secondary display only
m_q3TickY1.allocate(4*m_y1Scale.getTickList().count());
m_q3TickY2.allocate(4*m_y2Scale.getTickList().count());
m_q3TickX1.allocate(4*m_x1Scale.getTickList().count());
m_q3TickX2.allocate(4*m_x1Scale.getTickList().count());
}
void GLScope::applyTraceConfig(uint32_t size)
{
m_q3Trace.allocate(2*size);
}
void GLScope::tick()