void VORApp::Display()
{
#ifdef TEST
_cpuTimer->Start();
_gpuTimer->Start();
#endif
_mirrorTransforms[0] *= IGLUMatrix4x4::Rotate(10,vec3(0,1,0));
// Start timing this frame draw
_frameRate->StartFrame();
// Clear the screen
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
size_t frustumSize = 0;
size_t size = VirtualFrustumsCulling(frustumSize);
#ifdef TEST
_cpuTimer->Tick();
_gpuTimer->Tick();
printf("VirtualFrustums Culling gpu: %lf cpu: %lf \n", _gpuTimer->Tick(), _cpuTimer->Tick());
#endif
//size_t size = CPUVirtualFrustumsCulling(frustumSize);
//draw stencil
{
_mirrorStencilFBO->Bind();
_mirrorStencilFBO->Clear();
_shaders[3]->Enable();
_shaders[3]["project"] = _camera->GetProjectionMatrix();
_shaders[3]["model"] = _mirrorTransforms[0];
_shaders[3]["view"] = _camera->GetViewMatrix();
_mirrorObjs[0]->GetVertexArray()->Bind();
_mirrorElementBuffer->Bind();
//_mirrorObjs[0]->GetVertexArray()->GetElementArray()->Bind();
glDrawElements(GL_TRIANGLES,frustumSize*3,GL_UNSIGNED_INT,0);
//_mirrorObjs[0]->GetVertexArray()->GetElementArray()->Unbind();
_mirrorElementBuffer->Unbind();
_mirrorObjs[0]->GetVertexArray()->Unbind();
_shaders[3]->Disable();
_mirrorStencilFBO->Unbind();
/* IGLUDraw::Fullscreen( _mirrorStencilFBO[IGLU_COLOR0], 0 );
return; */
}
_mirrorFBO->Bind();
_mirrorFBO->Clear();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
for(int i=0; i<_objReaders.size(); i++)
{
_shaders[2]->Enable();
_shaders[2]["project"] = _camera->GetProjectionMatrix();
_shaders[2]["view"] = _camera->GetViewMatrix();
_shaders[2]["model"] = _objTransforms[i];
_shaders[2]["mirrorModel"] = _mirrorTransforms[0];
_shaders[2]["InstanceData"] = _instanceDataTex;
_shaders[2]["lightIntensity" ] = float(1);
_shaders[2]["matlInfoTex"] = IGLUOBJMaterialReader::s_matlCoefBuf;
_shaders[2]["matlTextures"] = IGLUOBJMaterialReader::s_matlTexArray;
_shaders[2]["lightColor"] = vec3(1.0);
_shaders[2]["resX"] = _camera->GetResX();
_shaders[2]["resY"] = _camera->GetResY();
_shaders[2]["stencilTexture"] = _mirrorStencilFBO[0];
IGLUVertexArray::Ptr vao = _objReaders[i]->GetVertexArray();
vao->Bind();
vao->GetElementArray()->Bind();
_indirectDrawBuffer->Bind();
glMultiDrawElementsIndirect( GL_TRIANGLES, GL_UNSIGNED_INT, NULL, size, 0);
_indirectDrawBuffer->Unbind();
vao->GetElementArray()->Unbind();
vao->Unbind();
_shaders[2]->Disable();
}
_mirrorFBO->Unbind();
/* IGLUDraw::Fullscreen( _mirrorFBO[IGLU_COLOR0], 0 );
return;*/
_mirrorTexShader->Enable();
_mirrorTexShader["project"] = _camera->GetProjectionMatrix();
_mirrorTexShader["modelview"] = _camera->GetViewMatrix() *_mirrorTransforms[0];
_mirrorTexShader["mtexture"] = _mirrorFBO[0];
_mirrorObjs[0]->GetVertexArray()->Bind();
_mirrorElementBuffer->Bind();
glDrawElements(GL_TRIANGLES,frustumSize*3,GL_UNSIGNED_INT,0);
_mirrorElementBuffer->Unbind();
_mirrorObjs[0]->GetVertexArray()->Unbind();
_mirrorTexShader->Disable();
for(int i=0; i<_objReaders.size(); i++)
{
_objShader->Enable();
_objShader["project"] = _camera->GetProjectionMatrix();
_objShader["model"] = _objTransforms[i];
_objShader["view"] = _camera->GetViewMatrix();
_objShader["lightIntensity" ] = float(1);
_objShader["matlInfoTex"] = IGLUOBJMaterialReader::s_matlCoefBuf;
_objShader["matlTextures"] = IGLUOBJMaterialReader::s_matlTexArray;
_objShader["lightColor"] = _lightColor;
_objReaders[i]->GetVertexArray()->Bind();
_objReaders[i]->GetVertexArray()->GetElementArray()->Bind();
glDrawElements(GL_TRIANGLES,_objReaders[i]->GetTriangleCount()*3,GL_UNSIGNED_INT,0);
_objReaders[i]->GetVertexArray()->GetElementArray()->Unbind();
_objReaders[i]->GetVertexArray()->Unbind();
_objShader->Disable();
}
// Draw the framerate on the screen
char buf[32];
sprintf( buf, "%.1f fps", _frameRate->EndFrame() );
IGLUDraw::DrawText( IGLU_FONT_VARIABLE, 0, 0, buf );
}
