void renderCamSetupGL ( Scene& scene, int prog )
{
// Set model, view, projection matrices
Camera3D* cam = scene.getCamera ();
Matrix4F ident;
ident.Identity();
glProgramUniformMatrix4fv( prog, scene.getParam(prog, UMODEL), 1, GL_FALSE, ident.GetDataF() );
glProgramUniformMatrix4fv( prog, scene.getParam(prog, UVIEW), 1, GL_FALSE, cam->getViewMatrix().GetDataF() );
glProgramUniformMatrix4fv( prog, scene.getParam(prog, UPROJ), 1, GL_FALSE, cam->getProjMatrix().GetDataF() );
}
void glut_render(void)
{
//setup camera
static Matrix4 viewMat;
static Matrix4 MVP;
cam.getViewMatrix(viewMat);
MVP = projMat * viewMat;
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(MVP.toFloatPtr());
const float screenRatio = (float)screenHeight/(float)screenWidth;
//begin frame
glClearColor(0.0,0.0,0.0,0.0);
glClearDepth(1.0);
glClear(GL_COLOR_BUFFER_BIT);
#ifdef GL_TIMER_QUERY_PERFORMANCE_MEASURE
glBeginQuery(GL_TIME_ELAPSED,query);
#endif
//render lines using additive blending and selected rendering path
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
///////////// TODO RENDER
glColor3f(1.0f,1.0f,1.0f);
// glutWireTeapot(1.0);
switch(renderingMethod)
{
case 0:
testInstancing->render(TEST_INSTANCING_MAX_INSTANCE,NULL,MVP.toFloatPtr(),viewMat.toFloatPtr(),projMat.toFloatPtr());
break;
case 1:
testInstancing->render(TEST_INSTANCING_MAX_INSTANCE,trianglePosition,MVP.toFloatPtr(),viewMat.toFloatPtr(),projMat.toFloatPtr());
break;
case 2:
testInstancing->renderInstancing(TEST_INSTANCING_MAX_INSTANCE,NULL,MVP.toFloatPtr(),viewMat.toFloatPtr(),projMat.toFloatPtr());
break;
case 3:
testInstancing->renderInstancing(TEST_INSTANCING_MAX_INSTANCE,trianglePosition,MVP.toFloatPtr(),viewMat.toFloatPtr(),projMat.toFloatPtr());
break;
default:
break;
}
#ifdef GL_TIMER_QUERY_PERFORMANCE_MEASURE
glEndQuery(GL_TIME_ELAPSED);
int done=0;
while (!done)
{
glGetQueryObjectiv(query, GL_QUERY_RESULT_AVAILABLE, &done);
}
// get the query result
glGetQueryObjectui64v(query, GL_QUERY_RESULT, &elapsed_time);
deltaTimeAccu+=elapsed_time;
deltaTimeAccuCount++;
#endif
//end of frame
glFlush();
glutSwapBuffers();
glutPostRedisplay();
#ifdef _DEBUG
GLenum err = glGetError();
if(err!=GL_NONE)
{
//
printf("OpenGL error!\n");
}
#endif
}
