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Dealing with inconsistent wxGLCanvas::IsDisplaySupported() 

wxGLCanvas::IsDisplaySupported() handles wxGL_{MINOR,MAJOR}_VERSION
attributes only in 3.0.4. Since 3.1.0 the attributes are apparently not
supported, so instead wxGLContext::IsOK() is used (introduced in 3.1.0).

Fixes: lp:1775995
* https://bugs.launchpad.net/kicad/+bug/1775995
This commit is contained in:
Maciej Suminski 2018-06-11 12:25:20 +02:00
parent 3f783d2318
commit 813c1a2ba2
2 changed files with 26 additions and 11 deletions
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11
common/gal/opengl/opengl_gal.cpp
View File

@ -73,7 +73,9 @@ OPENGL_GAL::OPENGL_GAL( GAL_DISPLAY_OPTIONS& aDisplayOptions, wxWindow* aParent,
mouseListener( aMouseListener ), paintListener( aPaintListener ), currentManager( nullptr ),
cachedManager( nullptr ), nonCachedManager( nullptr ), overlayManager( nullptr ), mainBuffer( 0 ), overlayBuffer( 0 )
{
#if wxCHECK_VERSION( 3, 0, 3 )
// IsDisplayAttr() handles WX_GL_{MAJOR,MINOR}_VERSION correctly only in 3.0.4
// starting with 3.1.0 one should use wxGLContext::IsOk() (done by GL_CONTEXT_MANAGER)
#if wxCHECK_VERSION( 3, 0, 3 ) and !wxCHECK_VERSION( 3, 1, 0 )
const int attr[] = { WX_GL_MAJOR_VERSION, 2, WX_GL_MINOR_VERSION, 1, 0 };
if( !IsDisplaySupported( attr ) )
@ -83,12 +85,19 @@ OPENGL_GAL::OPENGL_GAL( GAL_DISPLAY_OPTIONS& aDisplayOptions, wxWindow* aParent,
if( glMainContext == NULL )
{
glMainContext = GL_CONTEXT_MANAGER::Get().CreateCtx( this );
if( !glMainContext )
throw std::runtime_error( "Could not create the main OpenGL context" );
glPrivContext = glMainContext;
shader = new SHADER();
}
else
{
glPrivContext = GL_CONTEXT_MANAGER::Get().CreateCtx( this, glMainContext );
if( !glPrivContext )
throw std::runtime_error( "Could not create a private OpenGL context" );
}
++instanceCounter;

26
common/gl_context_mgr.cpp
View File

@ -24,6 +24,7 @@
*/
#include <gl_context_mgr.h>
#include <wx/debug.h>
GL_CONTEXT_MANAGER& GL_CONTEXT_MANAGER::Get()
{
@ -35,8 +36,16 @@ GL_CONTEXT_MANAGER& GL_CONTEXT_MANAGER::Get()
wxGLContext* GL_CONTEXT_MANAGER::CreateCtx( wxGLCanvas* aCanvas, const wxGLContext* aOther )
{
wxGLContext* context = new wxGLContext( aCanvas, aOther );
assert( context /* && context->IsOK() */ ); // IsOK() is available in wx3.1+
assert( m_glContexts.count( context ) == 0 );
wxCHECK( context, nullptr );
#if wxCHECK_VERSION( 3, 1, 0 )
if( !context->IsOK() )
{
delete context;
return nullptr;
}
#endif /* wxCHECK_VERSION( 3, 1, 0 ) */
m_glContexts.insert( std::make_pair( context, aCanvas ) );
return context;
@ -53,13 +62,11 @@ void GL_CONTEXT_MANAGER::DestroyCtx( wxGLContext* aContext )
else
{
// Do not delete unknown GL contexts
assert( false );
wxFAIL;
}
if( m_glCtx == aContext )
{
m_glCtx = NULL;
}
}
@ -78,7 +85,7 @@ void GL_CONTEXT_MANAGER::DeleteAll()
void GL_CONTEXT_MANAGER::LockCtx( wxGLContext* aContext, wxGLCanvas* aCanvas )
{
assert( aCanvas || m_glContexts.count( aContext ) > 0 );
wxCHECK( aCanvas || m_glContexts.count( aContext ) > 0, /* void */ );
m_glCtxMutex.lock();
wxGLCanvas* canvas = aCanvas ? aCanvas : m_glContexts.at( aContext );
@ -97,7 +104,7 @@ void GL_CONTEXT_MANAGER::LockCtx( wxGLContext* aContext, wxGLCanvas* aCanvas )
void GL_CONTEXT_MANAGER::UnlockCtx( wxGLContext* aContext )
{
assert( m_glContexts.count( aContext ) > 0 );
wxCHECK( m_glContexts.count( aContext ) > 0, /* void */ );
if( m_glCtx == aContext )
{
@ -106,9 +113,8 @@ void GL_CONTEXT_MANAGER::UnlockCtx( wxGLContext* aContext )
}
else
{
wxLogDebug(
"Trying to unlock GL context mutex from a wrong context: aContext %p m_glCtx %p",
aContext, m_glCtx );
wxFAIL_MSG( wxString::Format( "Trying to unlock GL context mutex from "
"a wrong context: aContext %p m_glCtx %p", aContext, m_glCtx ) );
}
}