debug panel particle stats

openglparticles.cpp

@@ -127,13 +127,13 @@ opengl_particles::update( opengl_camera const &Camera ) {
     ::glPopClientAttrib();
 }
 
-void
+std::size_t
 opengl_particles::render( int const Textureunit ) {
 
-    if( false == Global.Smoke ) { return; }
-    if( m_buffercapacity == 0 ) { return; }
-    if( m_particlevertices.empty() ) { return; }
-    if( ( m_buffer == 0 ) || ( m_buffer == (GLuint)-1 ) ) { return; }
+    if( false == Global.Smoke ) { return 0; }
+    if( m_buffercapacity == 0 ) { return 0; }
+    if( m_particlevertices.empty() ) { return 0; }
+    if( ( m_buffer == 0 ) || ( m_buffer == (GLuint)-1 ) ) { return 0; }
 
     // setup...
     ::glPushClientAttrib( GL_CLIENT_VERTEX_ARRAY_BIT );
@@ -153,6 +153,8 @@ opengl_particles::render( int const Textureunit ) {
         gfx::opengl_vbogeometrybank::reset();
     }
     ::glPopClientAttrib();
+
+    return m_particlevertices.size() / 4;
 }
 
 //---------------------------------------------------------------------------

openglparticles.h

@@ -25,7 +25,7 @@ public:
 // methods
     void
         update( opengl_camera const &Camera );
-    void
+    std::size_t
         render( int const Textureunit );
 private:
 // types

openglrenderer.cpp

@@ -359,7 +359,8 @@ opengl_renderer::Render() {
         + " paths:     " + to_string( m_debugstats.paths ) + "\n"
         + " shapes:    " + to_string( m_debugstats.shapes ) + "\n"
         + " traction:  " + to_string( m_debugstats.traction ) + "\n"
-        + " lines:     " + to_string( m_debugstats.lines );
+        + " lines:     " + to_string( m_debugstats.lines ) + "\n"
+        + "particles: " + to_string( m_debugstats.particles );
 
     ++m_framestamp;
 
@@ -2953,7 +2954,7 @@ opengl_renderer::Render_particles() {
     ::glDepthMask( GL_FALSE );
 
     Bind_Texture( m_smoketexture );
-    m_particlerenderer.render( m_diffusetextureunit );
+    m_debugstats.particles = m_particlerenderer.render( m_diffusetextureunit );
 
     ::glDepthMask( GL_TRUE );
     ::glEnable( GL_LIGHTING );

openglrenderer.h

@@ -129,6 +129,7 @@ private:
         int traction { 0 };
         int shapes { 0 };
         int lines { 0 };
+        int particles { 0 };
         int drawcalls { 0 };
     };