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OpenGL GAL: safer error handling 

Replaced assert() with wxCHECK(), so in case of problems methods return
instead of continuing with invalid state/data, wherever possible.
This commit is contained in:
Maciej Suminski 2018-03-22 11:59:38 +01:00
parent 058f2bffd0
commit 6331f94544
1 changed files with 10 additions and 10 deletions
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20
common/gal/opengl/cached_container_gpu.cpp
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@ -29,7 +29,6 @@
#include <gal/opengl/utils.h>
#include <list>
#include <cassert>
#ifdef __WXDEBUG__
#include <wx/log.h>
@ -62,19 +61,19 @@ CACHED_CONTAINER_GPU::~CACHED_CONTAINER_GPU()
void CACHED_CONTAINER_GPU::Map()
{
assert( !IsMapped() );
wxCHECK( !IsMapped(), /*void*/ );
glBindBuffer( GL_ARRAY_BUFFER, m_glBufferHandle );
m_vertices = static_cast<VERTEX*>( glMapBuffer( GL_ARRAY_BUFFER, GL_READ_WRITE ) );
checkGlError( "mapping vertices buffer" );
m_isMapped = true;
if( checkGlError( "mapping vertices buffer" ) == GL_NO_ERROR )
m_isMapped = true;
}
void CACHED_CONTAINER_GPU::Unmap()
{
assert( IsMapped() );
wxCHECK( IsMapped(), /*void*/ );
glUnmapBuffer( GL_ARRAY_BUFFER );
checkGlError( "unmapping vertices buffer" );
@ -91,7 +90,7 @@ bool CACHED_CONTAINER_GPU::defragmentResize( unsigned int aNewSize )
if( !m_useCopyBuffer )
return defragmentResizeMemcpy( aNewSize );
assert( IsMapped() );
wxCHECK( IsMapped(), false );
wxLogTrace( "GAL_CACHED_CONTAINER_GPU",
wxT( "Resizing & defragmenting container from %d to %d" ), m_currentSize, aNewSize );
@ -109,7 +108,7 @@ bool CACHED_CONTAINER_GPU::defragmentResize( unsigned int aNewSize )
// glCopyBufferSubData requires a buffer to be unmapped
glUnmapBuffer( GL_ARRAY_BUFFER );
// Create the destination buffer
// Create a new destination buffer
glGenBuffers( 1, &newBuffer );
// It would be best to use GL_COPY_WRITE_BUFFER here,
@ -117,7 +116,7 @@ bool CACHED_CONTAINER_GPU::defragmentResize( unsigned int aNewSize )
#ifdef __WXDEBUG__
GLint eaBuffer = -1;
glGetIntegerv( GL_ELEMENT_ARRAY_BUFFER_BINDING, &eaBuffer );
assert( eaBuffer == 0 );
wxASSERT( eaBuffer == 0 );
#endif /* __WXDEBUG__ */
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, newBuffer );
glBufferData( GL_ELEMENT_ARRAY_BUFFER, aNewSize * VERTEX_SIZE, NULL, GL_DYNAMIC_DRAW );
@ -158,6 +157,7 @@ bool CACHED_CONTAINER_GPU::defragmentResize( unsigned int aNewSize )
// Cleanup
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, 0 );
glBindBuffer( GL_ARRAY_BUFFER, 0 );
// Previously we have unmapped the array buffer, now when it is also
// unbound, it may be officially marked as unmapped
m_isMapped = false;
@ -189,7 +189,7 @@ bool CACHED_CONTAINER_GPU::defragmentResize( unsigned int aNewSize )
bool CACHED_CONTAINER_GPU::defragmentResizeMemcpy( unsigned int aNewSize )
{
assert( IsMapped() );
wxCHECK( IsMapped(), false );
wxLogTrace( "GAL_CACHED_CONTAINER_GPU",
wxT( "Resizing & defragmenting container (memcpy) from %d to %d" ),
@ -214,7 +214,7 @@ bool CACHED_CONTAINER_GPU::defragmentResizeMemcpy( unsigned int aNewSize )
#ifdef __WXDEBUG__
GLint eaBuffer = -1;
glGetIntegerv( GL_ELEMENT_ARRAY_BUFFER_BINDING, &eaBuffer );
assert( eaBuffer == 0 );
wxASSERT( eaBuffer == 0 );
#endif /* __WXDEBUG__ */
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, newBuffer );
glBufferData( GL_ELEMENT_ARRAY_BUFFER, aNewSize * VERTEX_SIZE, NULL, GL_DYNAMIC_DRAW );