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fix use after free in RenderableCamWorkzone

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somehow it was grabbed by ogl too late here, if sizing info wasn't rendering
This commit is contained in:
Garux 2019-02-23 00:01:12 +03:00
parent d2dceca361
commit 2dd78b7b97
1 changed files with 16 additions and 6 deletions
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22
radiant/camwindow.cpp
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@ -883,6 +883,10 @@ private:
#include "grid.h"
class RenderableCamWorkzone : public OpenGLRenderable
{
mutable Array<Vector3> m_verticesarr[3];
mutable Array<GLboolean> m_edgearr[3];
mutable Array<Vector4> m_colorarr0[3];
mutable Array<Vector4> m_colorarr1[3];
public:
void render( RenderStateFlags state ) const {
glEnableClientState( GL_EDGE_FLAG_ARRAY );
@ -910,10 +914,16 @@ void render( RenderStateFlags state ) const {
const float grid = GetGridSize();
const std::size_t approx_count = ( std::max( 0.f, bounds.extents[i] ) + offset ) * 4 / grid + 8;
Array<Vector3> verticesarr( approx_count );
Array<GLboolean> edgearr( approx_count );
Array<Vector4> colorarr0( approx_count );
Array<Vector4> colorarr1( approx_count );
Array<Vector3>& verticesarr( m_verticesarr[i] );
Array<GLboolean>& edgearr( m_edgearr[i] );
Array<Vector4>& colorarr0( m_colorarr0[i] );
Array<Vector4>& colorarr1( m_colorarr1[i] );
if( verticesarr.size() < approx_count ){
verticesarr.resize( approx_count );
edgearr.resize( approx_count );
colorarr0.resize( approx_count );
colorarr1.resize( approx_count );
}
float coord = float_snapped( bounds.origin[i] - std::max( 0.f, bounds.extents[i] ) - offset, grid );
// const float coord_end = float_snapped( bounds.origin[i] + std::max( 0.f, bounds.extents[i] ) + offset, grid ) + 0.1f;
@ -1005,6 +1015,7 @@ static Shader* m_state_workzone;
FreezePointer m_freezePointer;
CamDrawSize m_draw_size;
RenderableCamWorkzone m_draw_workzone;
public:
FBO* m_fbo;
@ -2115,9 +2126,8 @@ void CamWnd::Cam_Draw(){
Scene_Render( renderer, m_view );
RenderableCamWorkzone workzone;
if( g_camwindow_globals_private.m_bShowWorkzone && GlobalSelectionSystem().countSelected() != 0 ){
workzone.render( renderer, m_state_workzone );
m_draw_workzone.render( renderer, m_state_workzone );
}
renderer.render( m_Camera.modelview, m_Camera.projection );